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Observers:T.Kwiatkowski, M. Miedziejko, P. Rogoziecki, J. Karasiewicz
Location: Poznan Observatory, Poland
Date: March 20, 1996 00:28 UT, 01:30 UT
1:4.8/80 objective + ST7 CCD, 5 sec exposure, no filters. FOV 5x3.3 degrees, zenith is up, street lights are down.
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Observers: Alessandro Dimai, Alfonso Pocchiesa, Nicola Boaretto
Location: Col Druscie Observatory, Cortina d'Ampezzo, Italy
Date: March 20, 1996 01:30 UT, 00:10 UT
First image is a mosaic of two images of 50" with tele Nikon 300 mm f/2,8 of the Col Druscie Observatory (Cortina d'Ampezzo - Italy) and CCD Hi Sis 22. The comet was a beautiful naked eye object.
The second image is an enlargement of the nuclear region; it's easily visible the plasma tail and a secondary jet.
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Observer: Peter Stattmayer
Location: Herrsching at the Ammersee, Germany
Date: March 20, 1996 01:00 UT
The close-up image of the coma has been taken with a focal length of 76 cm (30") and an aperture of 20 cm (8"). The wide-field image has been made simultaneously with a smaller telescope (focal length 180 mm / 7.5").
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Observer: Andreas Rodoschegg
Location: Public Observatory MIRA, Munich, Germany
Date: March 20, 1996 01:30, 02:30 UT
The first photo has been tracked on the background stars, the second followed the nucleus itself. Photographical data:
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Observers: Adolfo Cabral-Porchas, Rosa Maria Escalante, Javier Pompa-Alvarez
Location: University of Sonora, Mexico
Date: March 20, 1996 08:53 UT, 07:41 UT
Images taken with 70 mm + CCD ST4X and 6 cm refractor + CCD ST4X. 300 second and 120 second exposures.
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Observer: Tim Puckett
Location: Villa Rica, Georgia
Date: March 20, 1996 08:30 UT
This image of 1996b2 was obtained with a 30 cm reflector working at f/7.3 This is a 120 second exposure made with the ST6 camera. North is up , field is 13.5 x 9.5 minutes, The telescope tracked on the comet Image is processed to bring out the jets around the nucleus.
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Observer: David McDavid
Location: Limber Observatory, Pipe Creek, Texas
Date: March 20, 1996 10:09 UT
North is up, east is left, and the field of view is about 1 degree square. This false-color image is a composite of six 10-s exposures with a Photometrics CCD camera (Thomson 512 CCD) mounted on a 4-inch f/10 Meade Schmidt-Cassegrain telescope with a 2x focal reducer. The 4-inch telescope is attached to the 0.4-m telescope.
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Observer: M. Sakamoto, Masami Okyudo, Ishiguro, Tanaka
Location: Misato Observatory, Japan
Date: March 20, 1996 14:12 UT
Image taken with Nikon 50-mm lens and CCD ST7.
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Observer: Shigemi Numazawa
Location: Niigata, Japan
Date: March 20, 1996 16:25 UT
Images taken by small high speed schmidt camera. 3 minute exposure.
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Observer: Masami Ohkuma
Location: Harajuku, Tokyo, Japan
Date: March 20, 1996 16:48-17:41 UT
Images taken with 100mm, 300mm, 640mm + Lynxx.
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Observer: Joe Eiers
Location: Sly Park, California
Date: March 20, 1996 20:15 UT
Sketch drawn using a 4" Telvue Genesis 32mm eyepiece - naked eye limiting Magnitude= 6.0.
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Observers: Angelo Mattiuzzo, Sarah Cavall
Location: Schiaparelli Observatory,
Mount Campo dei Fiori, Varese, Italy
Date: March 20, 1996 23:46 UT
Image taken with a Celestron 5" Schmidt Camera (focal length of 230mm and an aperture of 140mm). Kodak Ekta 800/1600 film. Time of exposure 8'. The picture has a field of 210'x 206'. The magnitude extimated with a 7x50 binocular is 1.3.
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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: March 20-21, 1996 UT
Series of images were taken on the night of 1996 Mar. 20-21 from the Crni Vrh Observatory in very good conditions. Of special interest are mosaic images displaying the complex ion tail structure with rays, knots and clouds of singly ionized water moleculas. The ion tail total length on 65mm f.l. images is about 20 degrees. Additional monitoring with red continuum filter shows only featureless ~5 deg broad tail. Note, that colors on these images are false and were used in order to enhance the comet tail structure.
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Observer: Bill Hutchinson
Location: Quebec, Canada
Date: March 20, 1996 UT
Photo from Wed night at Photo Nikon N90, 300mm lens, 1000ISO film at f4 for 20 sec.
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Observer: Glen Wurden
Location: Los Alamos, New Mexico
Date: March 20, 1996
A 15 minute exposure on Kodak ASA 1000 print film,using a 300mm lens at f4.5, guided piggyback on a tracking telescope.
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Observer: Rodrigo Campos
Location: Pico dos Dias Observatory, Brazil
Date: March 20, 1996
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Observers: Fiorenzo Bordignon, Valerio Leoni, Nadia Metta
Location: Schiaparelli Observatory,
Mount Campo dei Fiori, Varese, Italy
Date: March 21, 1996 01:55 UT
Image taken with a Celestron= 14" Schmidt Camera (focal length of 600mm and an aperture of 350mm). Hyperized Kodak Tp 6415 film.Time of exposure 4' The picture has a field of 190'x 140'. The magnitude extimated with a 7x50 binocular is 1.3. Tail is about 2 degrees.
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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: March 21, 1996 UT 01:43 UT
True color image of comet Hyakutake! This image was taken with 20-cm, f/2 Baker-Schmidt camera and Fujicolor G-400 color negative film. The field size is ~3.4x5.0 deg.
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Observer: Antonio Jose Cidadao
Location: Oeiras, Portugal
Date: March 21, 1996 01:34-03:20 UT
CCD images obtained with a SBIG ST6 CCD camera, piggy-back mounted on a 10" LX200.
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Observers: V.Makela, M.Nyfelt and A.Oksanen
Location: Roque de los Muchachos, La Palma, Canary Islands, Spain
Date: March 21, 1996 03:24 UT
Image taken with ST-7 CCD + 28mm f2.8 objective. Exposure 60s. No filters. Field is about 10x15 degrees. No flat.
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Observer: Antonio Jose Cidadao
Location: Oeiras, Portugal
Date: March 21, 1996 02:52 - 05:29 UT
CCD images obtained with a SBIG ST6 CCD camera, piggy-back mounted on a 10" LX200.
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Observer: Al Kelly
Location: Friendsood, Texas
Date: March 21, 1996 05:37 UT, 05:45 UT
Images taken with a 380mm lens (3" f5 refractor, actually) and a Cookbook 245 CCD camera in the 378 x 242 mode. The master FITS image is a 5-minute exposure, stacked from fifteen 20-second images, each calibrated by a master dark and a master flat-field image. The exposures were made over a 7.5-minute period on 3/21/96 from UT 05:37:20 to UT 05:44:50. West is up and north is to the left. These images you are separate conversions of the same master FITS....one shows interesting isophotic structure in the cometary head, while the other is more "normal." The FOV is about one degree E-W and 0.8-degree N-S.
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Observer: Al Kelly
Location: Friendsood, Texas
Date: March 21, 1996 05:40 UT
Image consists of a mosaic of four 0.8-degree frames. Each is a composite of fifteen 20-second exposures taken with my Cookbook 245 through a 380mm lens. West is up....north to the left.
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Observer: John Beaver
Location: Lake Afton Public Observatory
Date: March 21, 1996 06:00 UT
5 1/2" f/4.5 Schmidt-Newtonian (Celestron Comet Catcher) 15 minute exposure (guided on the comet) Kodak Royal Gold 1000 film
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Observers: Adam Block
Location: Steward Observatory, Arizona
Date: March 21, 1996 07:00 UT
These images were 20 second exposures using the ST6 and a 21in telescope. There is a streak (jet?) on the left side of the nucleus... it is not an artifact.
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Observer: Richard Berry
Location: ??
Date: March 21, 1996 08:38 UT - 11:36 UT
Cookbook 245 CCD, 6 inch f/5 Newtonian. Rank median processing.
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Copyright 1996 Jerry Dobek, Judy Doelker
Observers: Jerry Dobek, Judy Doelker
Location: Rogers Observatory, Traverse City, Michigan
Date: March 21, 1996 09:30 UT
Photo taken with Schmidt camera 10 minute exposure on Hypered 2415 film.
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Observers: Adolfo Cabral-Porchas, Rosa Maria Escalante, F. Avila,
R. Arellante, D. Morales
Location: University of Sonora, Mexico
Date: March 21, 1996 10:21 UT
120 second exposure.
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Observer: Douglas Snyder
Location: Fremont Peak State Park, California
Date: March 21, 1996 12:30 UT
The image is a composite of three images taken with an ST6 CCD camera attached to a 25cm SCT telescope working at a focal ratio of f/3.3, focal length 838mm. The exposure time for each image was only 30 seconds. The images display just over a degree and a half of the tail, which visibly extended well over five degrees.
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Observer: Martin George
Location: Launceston, Tasmania, Australia
Date: March 21, 1996 13:00 UT
Photograph was made using a135mm f/3.5 lens on Tri-X film, exposed for 35 minutes.
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Observer: Tom Polakis
Location: Grove Creek Observatory, Australia
Date: March 21, 1996 15:00 UT
Photographed with a 35-105mm lens at somewhere around 80mm and wide open at f/3.5. The exposure is about 15 minutes. Film was Fujicolor Super G 800.
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Observers: Steve Fleming, Zelko Karlovic
Location: Central Victoria, Australia
Date: March 21, 1996 16:50 UT
The photograph was taken on Fujicolour 1600 ISO colour print film using a Nikon FM2 fitted with a Nikkor 200mm lens at f/4 for 20mins. For the duration of the exposure, the camera was piggy-back mounted on a Celestron C8 and tracked manually.
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Observer: Glen Wurden
Location: Los Alamos, New Mexico
Date: March 21, 1996
Fuji ASA 1600 print film, and a 105 mm, f2.5 lens, using only a 2.5 minute exposure.
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Observer: Josep Drudis
Location: Guimera, Spain
Date: March 22, 1996 00:16 UT
Objective: Nikkor 200 mm f/4 (format 24x36 mm). Film: TMax 3200P (ISO 6400). Exposure time: 15 minutes. Guiding: on a star (not on the comet) automatic with CCD.
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Observer: David Hanon
Location: Ringgold, Georgia
Date: March 22, 1996 04:50 UT
This image is a 5 minute exposure with 300mm f/2.8 lens with ST-8 camera.
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Observers: Dan Bruton, Don Carona
Location: Texas A&M Observatory, College Station, Texas
Date: March 22, 1996 06:08 UT
Camera: 8" (f/1.5) Schmidt Camera, ASA 200 Film, 2.5 minute exposure Notes: This image is about 4.5 degrees wide.
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Observer: Bob Hatfield
Location: Albuquerque & Santa Fe, New Mexico
Date: March 22, 1996 06:44 UT - 07:47 UT
I observed the comet last night from a dark site near Santa Fe and it was spectacular. I estimate the comet has more than doubled in size in both the coma and the tail visually since I observed on Monday night. The tail is naked eye easily 15 degrees and with binoculars about 20 to 25 degrees. The nuclues has had an aspect change it is no longer round but very elongated. I took some images of the nucleus of the comet (My small chip st5 has no hope of capturing the enormous tail, although I took some conventional pictures, if they are any good I'll digitize them and send them along). Here are the technical specs on the images. All were taken with st5 ccd at -30C through C11 f6.3 telescope on 3-22-96, all have been flat fielded.
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Observer: Chuck Claver
Location: McDonald Observatory, University of Texas
Date: March 22, 1996 07:00 UT
CCD image using the Prime Focus Camera on the McDonald Observatory 30-inch telescope. (Field Scale: 43 arcminutes square.)
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Copyright 1996 Michale DeMarquette
Observer: Michael DeMarquette
Location: Mt. Pino, California
Date: March 22, 1996 08:30-09:30 UT
Camera is a Minota X-700. First image shot on 50 mm at f/2.0, Kodak Royal Gold 1000 film. Second image shot on 50 mm at f/2.0, Fuji G800 film. Third image shot on 50 mm at f/2.0, Fuji G800 film.
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Observers: Adolfo Cabral-Porchas, Rosa Maria Escalante, H. Pineda
Location: University of Sonora, Mexico
Date: March 22, 1996 08:53 UT
28mm + SBIG ST-4X.
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Observer: Jeff Schwartz
Location: San Francisco, California
Date: March 22, 1996 09:00 UT
Ten 2 second exposures were made with a Connectix QuickCam taped onto the eyepiece of Celestron 11x80 binoculars. The ten images were then combined and aligned using the layers feature of Photoshop 3.0.
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Observer: Shigemi Numazawa
Location: Niigata, Japan
Date: March 22, 1996 18:06 UT
Images taken by small high speed schmidt camera. 3 minute exposure.
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Copyright 1996 Michel Benvenuto and Thierry Valat
Observers: Michel Benvenuto, Theirry Valat
Location: Peira Cava, France
Date: March 22, 1996 21:40-23:45 UT
First image: taken with a 300 mm lens at F/D 4.5 on Ektar 1000 print film with a 600 s exposure.
Second image: taken with a 58 mm lens at F/D 2.8 on Ektapress 1600 print film with a 120 s exposure.
Third image: taken with a 50 mm lens at F/D 1.8 on Ektar 1000 print film with a 360 s exposure.
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Observer: Ramon Drudis Mauri
Location: Aspa, Spain
Date: March 22, 1996 23:45 UT
This image is a 6 minute exposure whit a AR 40 mm F/1.8, with a Konica camera , on a Meade LX200 telescope with electronic motor-drive.
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Observers: Jochen Rink, Kim Brownlee, Jan Schaeffner
Location: Pearson International College Observatory, Victoria, Canada
Date: March 22, 1996
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Observers: G. Szokoly, A Connolly
Location: Kitt Peak National Observatory, Arizona
Date: March 22, 1996
These two shots were taken using the Mayall 4m telescope in the B (blue) band with the T2KB chip in primary focus. The sky was a bit cloudy, which made this exposure possible (the comet was around 1.2 magnitude bright, which saturated the 38 inch telescope in 1-2 seconds -- the 4m is 156 inch). The images are raw, but in the near future we have no time to do the proper flat fielding, etc. so we provide them as is. The first image was a 1s exposure aimed at the core of the comet. The image is 235x235 arcseconds in size. The second exposure is a minute long, and it's aimed at the tail (the center ofthe field is offset by 10 arcminutes).
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Observer: Glen Wurden
Location: Los Alamos, New Mexico
Date: March 22, 1996
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Observer: Russell Allen
Location: Dayton, Texas
Date: March 22, 1996 UT
Image taken with a Pentax K-1000,ASA 400 Fuji film, and a 50mm lens set to f1.8, for a 1:45 sec exposure.
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Observer: Masami Ohkuma
Location: Shirahama, Chiba, Japan
Date: March 22, 1996 UT
Images taken with Pentax camera, various lenses and exposures.
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Observer: Masami Ohkuma
Location: Shirahama, Chiba, Japan
Date: March 22, 1996 UT
PENTAX LX 85mm F1.4(F2.0) Fuji PROVIA 400 film, about 5 minutes Exposed
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Observer: Fran Soberanas
Location: Guirguillano Observatory, Navarra, Spain
Date: March 23, 1996 00:25 Ut
Taken with Nikkon 601 camera, with 50 mm lens at F4, 12 min. exposure.
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Observer: ???
Location: Seiwa-Kogen Observatory, Japan
Date: March 23, 1996 01:34
300 second exposure.
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Observers: Fiorenzo Bordignon, Chiara Cattaneo, Mauro Auteri
Location: Schiaparelli Observatory,
Mount Campo dei Fiori, Varese, Italy
Date: March 22, 1996 19:55 UT - March 23, 1996 03:07 UT
Images taken with a Celestron 14" Schmidt Camera (focal length of 600mm and an aperture of 350mm). Two ejects are very well visible from the nucleus.
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Observers: Fulvio Romano, Igor Dalle Molle, Cristiano Isnardi
Location: Cuneo Observatory, Italy
Date: March 23, 1996 00:06 UT, 00:42 UT
Images taken with a C/11 ST6.
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Observer: Andrew Keys
Location: Franklin, North Carolina
Date: March 23, 1996 04:20 UT
Setup:
58mm at f2.4 on Minolta body on standard tripod, untracked,
unfiltered
Exposure:
40 Seconds
Film:
Fuji 400
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Observer: David Hanon
Location: Ringgold, Georgia
Date: March 23, 1996 05:31 UT, 04:53 UT
First image was taken with a 50mm lens and a ST-8 ccd camera. The image is 10 x 15 deg and was a 5 minute exposure. Second image is a 5 min exposure with 180mm f/2.5 lens with an ST-8 ccd camera.
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Observer: Aaron Spurr
Location: Hudson, Iowa
Date: March 23, 1996 05:00 UT
The photo is a 30 second exposure on Fujichrome 1600.
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Copyright 1996 John Chumack
Observer: John Chumack
Location: Dayton, Ohio
Date: March 23, 1996 05:00-08:30 UT
Closeup with 6" F3.3 Hyperbolic Astrograph
30 min. exp. 100 ISO film
Comet Hyakutake & Acturus
with 135mm & 100mm Telephoto lens
30 min. exp. 100 ISO film
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Observer: James Collie
Location: Hope, Canada
Date: March 23, 1996 06:00 UT
Image taken with a Canon camera. The shutter was open for about a minute.
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Observer: Tim Puckett
Location: Villa Rica, Georgia
Date: March 23, 1996 06:25 UT
This image was obtained with a 135mm lens working at f/8. This is a 5 second exposure made with the ST6 camera.
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Observer: Ed Guinan
Location: University of Villanova, Pennsylvania
Date: March 23, 1996 07:00 UT
20 sec exposure, 1000 ASA.
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Observer: Scott Marrin
Location: RASC Glenlea Observatory, Winnipeg, Canada
Date: March 23, 07:00 UT
Image was shot on Kodak Royal Gold 1000 ISO with a 230mm lens f4.5. The exposure was 5 minutes.
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Observer: Terry McLean
Location: Burnaby, B.C., Canada
Date: March 23, 1996 07:30 UT
15 sec., f/14.4 32cm Dall-Kirkham, CB245 camera. Black & White with false color showing detail of core.
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Observer: John Iatesta
Location: Brasstown Bald, Georgia
Date: March 23, 1996 07:30 UT, 09:30 UT
The camera was a 35mm Pentax MX with a 50mm lens at f/2. Exposure was 1minute on Fujicolor 1600. The camera was driven by a home-made ,variable speed gear drive ( Edmund Scientific Parts ).
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Copyright 1996 Jerry Lodriguss
Observer: Jerry Lodriguss
Location: Chatsworth, New Jersey
Date: March 23, 1996 07:40 UT, 09:02 UT
First Image: 85mm f/2, 3 min, unhypered Fujicolor Super G 800 Plus.
Second image: 200mm f/2, 10 min, unhypered Fujicolor Super G 800 Plus.
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Observers: Rosa Maria Escalante, H. Pineda, D. Morales
Location: University of Sonora, Mexico
Date: March 23, 1996 09:55 UT
28mm + CCD SBIG ST-4X. 300 second exposure.
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Observers: Jesse Anderson, Bob Aslanian, Ed Frederick
Location: New England Science Center, Worcester, Massachussetts
Date: March 23, 1996 13:00 UT
Image obtained with a ST-6 CCD camera. 1 Second Exposure through a 8" SCT.
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Observer: Frank Feleppa
Location: Melbourne, Australia
Date: March 23, 1996 15:11, 16:00 UT
Both photos were taken away from the city, the first photo's exposure was commenced March 23 15:11 UT using 400mm f6.3 lens for 20 minutes on 1600ASA print film. The second photo's exposure commenced March 23 16:00 UT using 100mm f3.5 lens for 30 minutes using the same film.
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Observer: Girts Ivans
Location: Dunte, Latvia
Date: March 23, 1996 20:10-23:00 UT
Images taken with a Zenit E-T camera piggy backed on a 3.5" Alt-Azim Newton reflector. Film: Fuji SG 800.
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First image: 20mm photo lens f/3.5
Exposure: 5 min
Second image: 58mm photo lens f/2
Exposure: 8 min
Third image: 135mm photo lens f/4
Exposure: 10 min
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Observer: Frank Feleppa
Location: Melbourne, Australia
Date: March 23, 1996 15:11 UT
20 minute exposure with a 400mm f6.3 telephoto lens using Fuji HG1600 color print film.
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Observer: Joe Eiers
Location: Sly Park, California
Date: March 23, 1996 20:30 UT
Sketch from naked eye view - naked eye limiting Magnitude= 6.0. Tail extended past 30 degrees w/o averted vision. Much detail visible through most of the tail. Stunning!! (Image viewing tip: turn the brightness of your monitor so that the trees at the bottom just become visible.)
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Copyright Frans Frenken
Observer: Frans Frenken
Location: Goes, the Netherlands
Date: March 23, 1996 21:40 UT
Taken with Nikon FM/1.4 50mm. Fuji 400 slide, 95 seconds.
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Observers: Alessandro Marchini, Vincenzo Millucci, Luca Ravenni
Location: San Casciano Val di Pesa (Florence), Italy
Date: March 23, 1996 22:28-22:50 UT
First 3 images were taken with a 50mm lens connected to a CCD camera StarLightXpress, mounted in parallel on a telescope Celestron C5+. The 4th image is taken with the same CCD camera at prime focus+focal multiplier2x (F=2500) of a telescope Celestron C5+:
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Observers: Jochen Rink, Kim Brownlee, Jan Schaeffner
Location: Pearson International College Observatory, Victoria, Canada
Date: March 23, 1996
Tri-color CCD shot that used the standard R:G:B=1:3:5 exposure time, and used hidden image to remove noise and sharpen a bit.
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Observer: Brian Halbrook
Location: Michigan
Date: March 23, 1996
Image taken with an 85mm telephoto lens mounted atop a telescope and guided on the comet for a 3-minute exposure.
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Observer: Andy Harwood
Location: Lake Michigan, Michigan
Date: March 23, 1996
TOP PHOTO: BOTTOM PHOTO: FILM: Kodak Gold 1000 FILM: Kodak Gold 1000 CAMERA: Olympus OM-1 on a stationary CAMERA: Olympus OM-1 on a stationary tripod tripod LENS: 50mm at F/1.8 LENS: 50mm at F/1.8 EXPOSURE TIME: thirty seconds or so EXPOSURE TIME: about five minutes
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Observer: Gary Madison
Location: Hawaii
Date: March 23, 1996
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Observer: Richard Colman
Location: Orange County Astronomers Observatory, near Anza, California
Date: March 23, 1995
22" Kuhn Telescope (Ritchey-Cassegrain) prime focus with CB245. Processed with CB245 and MULTI245. Rank order processing. Composite of 16 five-second exposures. Displayed in psuedocolor.
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Observer: Francois Colas
Location: Pic du Midi Observatory, France
Date: March 23, 1996 UT
All these images have been taken with a 100 mm F/2.8 camera and Kodak Ektar 1000 ASA. The field size is 20 degrees. First image is the Pic du Midi observatory with the comet in the background Second and third images are made in paralele of the 1 meter telescope and are 10 minute exposures.
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Observer: Tom Osypowski
Location: ??
Date: March 23, 1996
Image taken with an Olympus camera and 50mm lens piggybacked on dobsonian telescopes tracking with an Equatorial Platform. The exposure time was 6 minutes at f4 on Ektar 1000 film.
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Observer: John McDonald
Location: California
Date: March 23, 1996
5 minute exposure on ASA400 Kodak film using a little half-frame Olympus Pen-D piggy-backed to and hand-guided on a little C-5 telescope.
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Observers: David Jewitt, Jun Chen
Location: University of Hawaii
Date: March 23, 1996 UT
North is at the top, and east is at the left. Imaged at the University of Hawaii 2.2 meter telescope on UT 1996 March 23. This is a 1 second integration taken through an R filter. Longer integrations saturated the detector. In this first image, the image is shown with only minimal processing. Nevertheless, the tailward spike is evident, as are asymmetries in the coma surrounding the nucleus. The original image scale was 0.22 arcseconds / pixel. A sub-frame of the 2048 x 2048 charge-coupled device is shown, with field of view 220 by 220 arcseconds. At this time, 1 arcsecond = 87 km, measured at the comet (geocentric distance = 0.12 AU). The second image shows the same CCD data as the first, but now more heavily processed to enhance coma structures.
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Observer: John Rigoni
Location: Hesperia, California
Date: March 23, 1996
Image taken 3-23-96 using 400 Royal Gold Kodak 210 mm f5.6 30 mins.
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Observer: Mark Williams
Location: Genthod, Geneva, Switzerland
Date: Marhc 23-24, 1996 UT
Camera : Minolta 7000i. Lens : Minolta 35-105mm (f/3.5-f/4.5). Tracking : Piggy-back on Perl Vixen 130/720, Super Polaris mount, RA motor. Guiding : Celestron Micro-Guide eyepiece 12.5 mm.
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Observer: Dimai Alessandro
Location: Passo Falzarego, Cortina d'Ampezzo, Italy
Date: March 24, 1996 00:50 UT
Tele 35 mm f/2,8 - Kodak TP 2415 ip. Comet very long (27 deg.) and bright (v.m. 0,3). Tail disconnection at 20 degrees from the nucleus. Very clear sky (v.m. 7,5).
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Observer: Bill Schwittek
Location: Charlotte, North Carolina
Date: March 24, 1996 01:00-03:00 UT
All these were taken by hand guiding on on the comet nucleus - hence the "streaked" stars. The film was Fuji ASA 400 color print film processed normally.
1st image: 50mm f1.4 lens wide open, 1 minute.
2nd image: 135mm f1.8 lens at f2.8, about 5 minutes.
3rd image: 300mm f4 lens wide open, 5 minutes.
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Observer: Gary Field
Location: Plum Island, Newburyport, Massachussetts
Date: March 24, 1996 02:00-03:00 UT
These pictures were taken using Kodak Royal Gold 1000 film in a Pentax K1000 35 mm camera with a 85 to 210 mm zoom lens piggy backed onto a Meade 2045 telescope driven by a drive corrector. Polar alignment was not carefully done. The sky was very dark and it was about 25 deg F with a 20-30 MPH wind.
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Copyright 1996 Jerry Lodriguss
Observer: Jerry Lodriguss
Location: Chatsworth, New Jersey
Date: March 24, 1996 03:24 UT
16mm f/2.8, 5 min, Hypered Fujicolor Super G 800 Plus.
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Images taken with camera mounted on a tripod, unguided. First image: 50mm f/1.8 lens, 2 second exposure, Konica 3200 film. Second image: 300mm f/5.6 lens, 5 second exposure, Konica 3200 film.
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Observer: Todd G. Burns
Location: Pen Argyl, Pennsylvania
Date: March 24, 1996 04:30 UT
First image shows C/1996 B2 passing through Bootes. Second image was taken with 105 mm lens at f/ 2.8 70 sec. exposure on 1600 speed film North is to the left of the photo. Computer generated false color and contrast provided a means to examine light intensity around the head of the comet.
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Observer: Peter Barvoets
Location: Adirondacks, New York
Date: March 24, 1996 04:30 - 05:30 UT
First image was taken with a 105mm F2.8 lens guided on a single arm barn door for three minuets. Second image was taken with a 50mm, F1.2 at 11:30 pm. 30 second exposure.
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Copyright 1996 Jerry Lodriguss
Observer: Jerry Lodriguss
Location: Chatsworth, New Jersey
Date: March 24, 1996 05:34, 07:03 UT
First image: Hypered Tech Pan 2415 shot of coma and inner tail and streamers - March 24, 05:34 UT
Second image: Unhypered Provia 100 shot of coma and inner tail detail - March 24, 07:03 UT
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Observer: George Varros
Location: ??
Date: March 24, 1996: 06:00-07:00 UT
55mm f/2.0 2 minute exposures.
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Observer: David Nakamoto
Location: Stony Ridge Observatory, California
Date: March 24, 1996 06:00 UT
This set of images of Comet Hyakutake (1996B2) were taken using the observatory's 6 inch f/15 refractor and a cookbook 211 CCD camera operating at the telescope's prime focus. 15 second exposure. The set shows four different views of the same image. The upper left image is a negative of the original using an unsharp mask to help bring out details. The other three used a gradient filter to transform the upper left image into pseudo 3D, using the assumption that the darker the pixel in the original the higher the supposed elevation.
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Observers: Ron Baalke, Sue Kientz
Location: Stoney Ridge, California
Date: March 24, 1996 06:16 UT
Image taken with camera mounted on a tripod, unguided. 100mm f/4.5 lens, 20 second exposure, Fuji 1600 film.
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Copyright 1996 W.B. Whiddon
Observers: Bill Whiddon, John Chase
Location: Red Rock Canyon, California
Date: March 24, 1996 06:44 UT
10 min exposure on hypersensitized Fuji HG400 with 8 inch f/1.5 schmidt camera. At least four pairs of ion rays show, along with the main plasma tail, which exhibits a twist. A strong color contrast is noted between the bright green coma and the deep blue plasma tail. The coma appears asymmetrical, being larger and brighter on the west. The field measures approximately 4 by 6 degrees, with north to the left and west up.
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Observer: Allen Ginzburg
Location: Santa Cruz, California
Date: March 24, 1996 06:45 UT
5 minute exposure on Fuji 400 taken using a Nikon FG with a 135mm f/3.5 lens piggy-backed on a Meade LX-200 10" scope tracking in alt-az mode. Guided on the comet head using the main scope.
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Observer: George Roussos
Location: Roslyn, Washington
Date: March 24, 1996 07:00 UT
This is an unguided, 5 minute exposure, shot with a 28mm lens @ f/1.9, on Kodak Royal Gold 1000 color print film.
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Observers: Doug Starwalt, John Bernard
Location: Pendleton, South Carolina
Date: March 24, 1996 07:10 UT
Fujicolor ASA 1600 @ 2 minutes F/4 200 mm.
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Copyright 1996 Chuck Vaughn
Observer: Chuck Vaughn
Location: Digger Pine Ranch, California
Date: March 24, 1996 07:10-08:55 UT
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Observer: David Lynch
Location: Canton, Georgia
Date: March 24, 1996 07:30 UT
The images where captured on Kodak Royal Gold 1000 via a Nikon 50mm f1.4 lens exposed at 15-20 seconds.
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Observer: David Kellen
Location: Carson City, Nevada
Date: March 24, 1995 07:35 UT
Used Pentax K-1000 w/Kodak Tri-X 400 speed B/W film. Unguided exposure of 20 seconds.
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Observer: Doug Miller
Location: Lewes, Delaware
Date: March 24, 1996 07:43 UT
Summed 3 x 60s integrations with Cookbook 245 CCD, 28 mm lens f/2.5, tracked piggyback. Left: Grayscale image showing jets from coma and detail in tail. Processed with MIRA A/P's Laplacian filter of order 2. Right: image at left pseudocolored to emphasize fine detail in tail. Note blooming artifact in brightest region of coma.
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Observer: Fred Burger
Location: Camano Island, Washington
Date: March 24, 1996 08:00 UT
Photo shot using Kodak Royal Gold 1000 film on an equatorial drive platform. There was a slight atmospheric haze. 50mm lens at f/2.0. Exposure: 1 minute.
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Observer: James Tobin
Location: Red Rock Canyon, California
Date: March 24, 1996 09:30-10:00 UT
First image is a five minute exposure at 270 mm f3.5 on 3200 TMAX. Second image is using a 50 mm lens at f2 using 1000 ASA Kodak Royal Gold film. It was a five minute exposure. Third image was on 3200 TMAX with a 50 mm lens at f2.
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Observer: Denis Bergeron
Location: Val-des-bois, Quebec, Canada
Date: March 24, 1996 09:38 UT
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Observer: John Kerns
Location: Anza, California
Date: March 24, 1996 09:50 UT
Image taken with an Olympus OM-2 camera with Ektar 1000 film was used. This is a 17 minute exposure with a 100mm lens at f/4 at 9:50 UT. The comet shows a distinct blue color and the tail reveals filamentary structure.
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Observer: John Kerns
Location: Anza, California
Date: March 24, 1996 10:00 UT, 10:20 UT
Images taken with an Olympus OM-2 camera with Ektar 1000 film was used. First image is a 15 minute exposure with a 100mm lens at f/4 at 6:55 UT. The comet shows a distinct blue color, but the tail does not exhibit the filamentary structure shown in the photograph taken at 10 UT. Second image is a 5 minute exposure with a 50mm lens at f/4 at 10:20 UT.
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Observer: Benoit Schillings
Location: ???
Date: March 24, 1996 10:30 UT
3 Second exposure with St-7 and C11 at F/7.1.
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Observers: Todd Hunter, Tom Murphy, Dan Williams
Location: Joshua Tree National Park, California
Date: March 24, 1996 10:30, 12:25 UT
20 minute exposure (first image). A 28 mm lens was used at f/2.8 on a Pentax K-1000 loaded with Fujicolor 200 print film. 5 minute guided exposure (second image). A 135 mm telephoto lens was used at f/2.8 to resolve more details in the tail near the nucleus. The width of the image is approximately 13 degrees and some thin cirrus is (unfortunately) visible. Note the rapid motion of the comet across the sky between the two images by comparing the relative position of the nucleus and the two stars just to the upper left of the nucleus.
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Copyright 1996 Hugh Salamon
Observers: Hugh Salamon, Jon Jensen
Location: Badger, California
Date: March 24, 1996 11:00 UT
This is a three-minute exposure on 400 ISO Fuji film, using a 50mm SLR camera piggy-backed on a home-built equitorially-mounted 6" Newtonian reflector.
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Observer: Terry Lovejoy
Location: Oakey, QLD, Australia
Date: March 24, 1996 14:53 UT
The Comet is an awe inspiring sight...far grander than Halley's in March '86...and the tail can be seen stretching upwards from behind the northern horizon more than an hour before comet-rise! The coma is 2 degrees across and is estimated as mag. -0.3. The sketch was done using the sky as generated by RedShift.
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Observers: Chris and Lisa Aliapoulios
Location: Manchester, Michigan
Date: March 24, 1996 16:45 UT
The picture was taken with a Nikon 8008, 50mm at F2.0, for 35 seconds.
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Observer: Philippe Demoulin
Location: Jungfraujoch, Switzerland
Date: March 24, 1996 19:40 UT, 23:22 UT
Image 1 :
30 second unguided exposure on TMax 3200, 50 mm lens at f/1.8
(moonlight conditions).
Image 2 :
1 minute exposure on TMax 3200; 70 mm zoom at f/3.5, piggy-back
mounted on the station telescope; tracking was performed on the
comet nucleus.
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Observer: Juergen Knobloch
Location: Jura Mountains, Switzerland
Date: March 24, 1996 23:00 UT, 21:30 UT
Overview using a wide angle 28 mm lens 10 minutes exposure time on Fuji 400 ASA film. As an insert I show also a close-up taken with a 200mm lens. Second image taken with a 50mm lens f/1.4 under similar conditions.
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Observers: Philipp Keller, Georg Schmidbauer
Location: ???
Date: March 24, 1996 21:42 UT
Images taken with a self-built Schmidtcamera with an aperture of 16" and 32" focal length on 4x5" film format (Technical Pan).
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Observers: A. Cabral, C. Espriella, R.M. Escalante, H. Pineda, F. Avila
Location: University of Sonora, Mexico
Date: March 24, 1996
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Observer: Steven Margheim
Location: Univeristy of Villanova, Pennsylvania
Date: March 24, 1996
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Observers: Jesse Anderson, Bob Aslanian, Ed Frederick
Location: New England Science Center, Worcester, Massachussetts
Date: March 24, 1996
Image obtained with a ST-6 CCD camera. 1.5 Second Exposure through a 8" SCT.
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iObservers: E.Frappa, J.Lecacheux, P.Laques, F.Colas, J.Klinger,
A.Enzian, X.Cantorne
Location: Pic du Midi Observatory, France
Date: March 24 1996
It is possible to see on this image taken with the 1 metre telescope small knots in the jet of the comet. On these two images taken at 1 meter telescope at Pic du Midi observatory, it is possible to see fragments of the nucleus moving in the dust tail.
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Observers: E.Frappa, J.Lecacheux, P.Laques, F.Colas, J.Klinger,
A.Enzian, X.Cantorne
Location: Pic du Midi Observatory, France
Date: March 24 1996 21:53 UT
It is possible to see on this image taken with the 1 metre telescope small knots in the jet of the comet.
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Observer: Fraser Chambers
Location: Victoria, Canada
Date: March 24, 1996
A guided shot of about 4 minutes, 400 ASA, with an f/3.6, and a lens of 100mm.
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Copyright 1996 Stephen Barnes
Observer: Steve Barnes
Location: Dorset, Ontario, Canada
Date: March 24, 1996
Image shot at f/2 on Kodak Royal Gold 1000 with 50mm lens and then scanned in. The tail appears at least 30 degrees long in the picture and was visable naked eye to at least 40 degrees.The picture was scanned and processed in Photostyler. Second image same as above but with slightly different exposure.
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Observer: Glen Wurden
Location: Los Alamos, New Mexico
Date: March 24, 1996
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Copyright 1996 David Cortner
Observer: David Cortner
Location: George Kelley' farm outside Glade Spring, Virginia
Date: March 24, 1996 UT
This image is a composite of 15s, 1m, and 12m exposures showing a tremendous dynamic range --from the tailward spike to striations in the tail.
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Observer: Jim Fakatselis
Location: Peconic, Long Island, New York
Date: March 24, 1996
First image taken on Ektachrome P1600 with a 50mm f/2 lens, approx 15 minute guided exposure, thru a Lumicon minus violet filter. Guided on a Byers Cam Trak platform. Second image taken on Ektachrome P1600 (developed at ISO 800) with a 135mm f/4 lens, approx 9 minute guided exposure, thru a Lumicon minus violet filter.
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Observer: Michael Weiland
Location: Bregenzerwald, Austria
Date: March 24, 1996
This image was taken with a 400 mm telephoto lens, exposed about 15 minutes on hypered Kodak TP 2415 film.
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Copyright 1996 W. B. Whiddon
Observer: Bill Whiddon
Location: Red Rock Canyon State Park, California
Date: March 24, 1996
These 7 images were taken with an 8 inch f/1.5 schmidt camera on hypered Fuji RD100 film. Exposure midtimes (UTC) and durations were: 07:26 - 2 min, 07:51 - 5 min, 08:16 - 10 min, 09:38 - 1 min, 09:46 - 2 min, 10:02 - 5 min, and 10:28 7 min. The field covers approximately 4 by 6 degrees.
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Observer: NEAR Spacecraft
Location: Deep Space
Date: March 24, 1996
First imageis a false-color image of Comet Hyakutake (C/1996 B2) taken by the Multispectral Imager (MSI) on the NEAR spacecraft. The image was obtained 36 days after launch as part of the MSI and spacecraft early cruise calibration. At this time, NEAR was 16.7 million km from the comet and 15.3 million km from the Earth. NEAR was actually 1.5 million km farther from the comet than was the Earth because it is on an outbound trajectory for an encounter with the asteroid 433 Eros in 1999. The image is a composite of two frames taken through the clear filter with 1 second exposures. The field of view is a full MSI frame: 2.5 by 2.25 degrees. The inner coma of the comet is visible, as are a number of stars ranging from magnitude 5.1 to 8.2 (star names, magnitudes, and spectral types are listed). Second image is an enlarged view of the central region.
Ron Baalke
ron@jpl.nasa.gov
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