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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: March 3-21, 1997
Picture which includes six images of the comet. It shows the inner regions starting from 3 March to 21 March. It has been used a Sobel filter to underline the visible structures. Technical informations on the same picture. Elaboration: QMiPS32. Vixen SP R150S 15 cm f/5 reflector, CCD SBIG ST-7.
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Observer: Mack Frost
Location: Cody, Wyoming
Date: March 21, 1997
The horizontal image was taken with a Canon Ftb and a Vivitar 28-90mm/f2.8 lens set at 90mm/f2.8, mounted on a tripod, and exposed for 1-minute on Fuji 400 Super HG+ film. The vertical image was exposed in the same manner, but at about 50mm.
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Observer: Gaylon Wampler
Location: Monument, Colorado
Date: March 21, 1997
Fuji Provia 100 slide film. The exposure was 25 seconds at f:1.4 using a canon EOS1 camera and 50mm lens.
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Observer: Tim Puckett
Location: Puckett Observatory, Georgia
Date: March 21, 1997 00:50:39-00:59:45 UT
This false color image of Hale-Bopp was obtained with a 30 cm reflector working at f/6 This is a composite of 20 -15 second exposures taken with an Apogee AP-7 CCD. The images were enhanced to show the jets from the nucleus.
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Observer: Bill Keel
Location: Tuscaloosa, Alabama
Date: March 21, 1997 00:53 UT
Images taken with the University of Alabama (Tuscaloosa) 25-cm refractor in quick succession. The exposures (Kodacolor 400) were 30 seconds and 2 minutes. These show the dust shells well; in fact, they show the innermost loop as more nearly a complete circle than the visual impression was.
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Observer: Andrea Sheffield
Location: Ludington, Michigan
Date: March 21, 1997
Image taken with 400ASI film, 50mm lens, f/1.9. About a 5 second exposure under a full moon.
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Observer: Paul Gitto
Location: Arcturus Observatory, Pine Barrens of Whiting, New Jersey
Date: March 21, 1997 01:22 UT
A 15 sec exp. of Comet Hale-Bopp. Meade 10" LX 200 @ F/3.3 , #80A blue filter, log scaled, unsharp masked, and false blue color added.
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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: March 21, 1997 03:18 UT
Image taken on 21 march, processed using Larson-Sekanina algorithm to underline jets and dust waves. Vixen SP R150S 15 cm f/5 reflector, CCD SBIG ST-7. Image processing: QMiPS32.
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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: March 21, 1997 03:22-04:31 UT
The first image shows the region around the nucleus. Reflector 15 cm f/5, CCD SBIG ST-7. The second one shows the inner structure of the coma, with hoods and dust waves. This image has been log-scaled and processed with unsharp mask (QMiPS32). Reflector 15 cm f/5, CCD SBIG ST-7. The last one is a nine-frame mosaic, each frame 1 min exposure. Field of view: 1.34 x 1.08 degrees. Reflector 15 cm f/5, CCD SBIG ST-7. Technical informations on the same pictures.
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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: March 21, 1997 03:23 UT
An elaboration of an image of mine. A Larson/Sekanina algorithm was used, to underline brigthness variations in the comet' s coma. The image has been processed with QMiPS32 by C. Buil. Vixen SP R150S 15 cm f/5 reflector telescope, CCD SBIG ST-7, 1 min exposure. Technical information on the same picture.
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Observer: Dale Ireland
Location: Silverdale, Washington
Date: March 21, 1997 03:30 UT
Mikkor 58mm Noct, f/1.2, Fuji 800, 30 seconds. Photoshop was used to correct gamma and remove my bald spot.
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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: March 21, 1997 04:25 UT
Pseudocolors used to underline the brightness levels in the coma. The image has been log scaled. Reflector 15 cm f/5 Vixen R150S, CCD SBIG ST-7.
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Observer: Jose-Luis Ortiz and colaborators
Location: Observatorio de Sierra Nevada, Granada, Spain
Date: March 21, 1997 05:05 UT
2-minute exposure of comet Hale-Bopp taken through a 300-mm lens at f/5.4 using a 1024 x 1024 CCD detector with no filter. The field of view is 2.4 x 2.4 degrees. The inner part of the coma was saturated in order to observe the tail. North is up, West is to the right.
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Observer: The Isaac Newton Group of Telescopes
Location: Roque de Los Muchachos Observatory, La Palma, Spain
Date: March 21, 1997 05:45 UT
The first picture is the sum of three 10s and three 5s exposures without filters. It's 64W65 arcminutes. The second picture is a detail of the previous one. The field size is now 35W46 arcminutes.There is a bright shape structure very visible.
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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: March 21, 1997 09:48:45, 09:58:07 UT
First image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 10 sec exposure. The field of view is 23.1 X 17.4 arc min. Second image was taken with a ST-6 CCD camera through a 16 inch, F10 reflector. 5 sec exposure. The field of view is 7.3 X 5.5 .
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Observer: John Chumack
Location: Dayton, Ohio
Date: March 21, 1997 10:00 UT
3"F6 refractor, PRN 100 film for 42 minutes.
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Observer: Doug Berry
Location: Defiance, Ohio
Date: March 21, 1997 10:21 UT
Nikon FA, Nikkor 50mmf/1.4 Fuji SuperG 800 Plus film, 1 Minute exposure, fixed tripod.
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Observer: Kevin Motz
Location: Lamar, Missouri
Date: March 21, 1997 11:00 UT
Image taken with a Minolta Maxxum on Kodac TMAX 400 film.
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Observers: Glenn Ray, Lee Ray
Location: Cleveland, Texas
Date: March 21, 1997 11:14-11:30 UT
First Image Camera: Celestron 8", f/5.6 reducer/corrector, prime focus, Hasselblad 503CX body Film: Kodak Pro 1000 Exposure: 90 seconds Time: Started @ 11:14 am UT Notes: North is up. Second Image Camera: Hasselblad 503CX, 65mm f/2.8 Film: Kodak Pro 1000 Exposure: 5 seconds Time: 11:30am UT Notes: Shot of Glenn Ray in silhouette pointing up at comet. Photograph by Lee Ray.
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Observer: Patrick Dyer
Location: San Antonio, Texas
Date: March 21, 1998 11:34 UT
Pentax K-1000, f/2, 50-mm. Kodacolor 400, 60 seconds unguided.
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Observer: Frank Marotta
Location: Dallas, Texas
Date: March 21, 1997 11:40, 11:50 UT
Equipment: Nikon F3 with 105mm Nikkor at f2.5, unguided tripod mount. Exposure: 8 seconds on Kodak Gold 400.
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Observer: Pietro Cambi
Location: Florence, Italy
Date: March 21, 1997 18:50 UT
Pentax K2 50mm Kodak 800 gold, 30 sec exp upper part. mask used for the bottom. good picture, beautiful place, bloody hand-scanner. masked and softed.
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Observer: Nick James
Location: Chelmsford, United Kingdom
Date: March 21, 1997 19:12 UT
20x1s. 0.30m, f/10.5
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Observer: Tom Alderweireldt
Location: Gravenwezel, Belgium
Date: March 21, 1997 19:17:30 UT
PixCel255 CCD image with 50 mm F/1.4 lens, stopped down to F/2.8. Exposure: 10 sec, log scaled, field of view: 3.55 x 2.67 degrees.
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Observer: Jarle Aasland
Location: Stavanger, Norway
Date: March 21, 1997 19:59-20:19 UT
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Observer: Leif Knudsen
Location: Stavanger, Norway
Date: March 21, 1997 20:00-20:30 UT
First image: 28mm f/2.8, 15 seconds, Fujicolor 800. Second image: 100mm f/2.8, 20 seconds, Fujicolor 800.
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Observer: Frans Frenken
Location: At Goes, The Netherlands
Date: March 21, 1997 20:45, 20:50 UT
First image: Nikon FM 1.4/50mm, 35 seconds, Fuji 800 SG. Second image: Nikon FM 3.5/210mm, 25 seconds, Fuji 800 SG.
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Observer: Frans Frenken
Location: At Goes, The Netherlands
Date: March 21, 1997 23:20 UT
Nikon FM, 85/3.5, 30 seconds, Fuji 800 SG.
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Observer: David Williams
Location: Moscow, Idaho
Date: March 21-22, 1997
Both images from Kodak Royal Gold 400 using a Minolta srTmcII with a 45mm lens. Short exposures; less than a minute.
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Observer: Terry Platt
Location: United Kingdom
Date: March 21-22, 1997 UT
Color images taken with a Starlight Xpress single-shot color camera and 318mm reflector.
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Observer: Bill Hutchinson
Location: Kenai National Wildlife Refuge, Alaska
Date: March 22, 1997
First image: the full moon is washing out the ion tail of Hale-Bopp but I had to take this picture on the 22nd to record HB's nearest approach to the earth. Moonlight makes for interesting colors. Nikon N90 180mm at f2.8, 1 minute exposure on Ektachrome 400X using Haig mount.
Second image: WELCOME TO SOLDOTNA is the message here. Hale-Bopp in full moonlight arrives on the outskirts of town. Nikon N90 50mm at f2.0, 20 second exposure on Ektachrome 400X.
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Observer: Larry Panek
Location: Widener University, Chester, Pennsylvania
Date: March 22, 1997
50mm lens f/2.4, 10 second exposure, Fuji ASA 800 film.
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Observer: Alberto Quijano Vodniza
Location: Mayaguez, Puerto Rico
Date: November 9, 1996 - October 11, 1997
Images taken with a ST-6 CCD camera through a 16 inch, F10 reflector.
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Observer: Drew Wilson
Location: Bodie Island, Nags Head, North Carolina
Date: March 22, 1997
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Observer: Stever Shanker
Location: Rochester, New York
Date: March 22, 1997
Image taken using a tripod, Canon 7000i with a Tamron 90-300mm at 300mm setting, F/8. Film was KODAK Royal Gold 1000 and scanned onto PhotoCD. F/5.6 ten seconds.
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Observer: Joao Porto
Location: Maranthao, S. Miguel, Azores Islands
Date: March 22, 1997
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Observer: George Varros
Location: Mt. Airy, Maryland
Date: March 22, 1997 00:20 UT
Left side images are 5 seconds, Lower right image 10 seconds. 400mm f/5 EDC-1000.
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Observer: Tom Randall
Location: Poughkeepsie, New York
Date: March 22, 1997
135mm lens, f/4, Kodak Royal Gold 1000, 15 seconds.
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Observer: Paul Cichocki
Location: Red Rock Canyon, Nevada
Date: March 22, 1997 00:40, 01:30 UT
Minolta X570 camera body, 28 mm lens set at f2.4. approx. minute exposure. Fuji Super G 800 speed film used.
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Observer: Jarle Aasland
Location: Stavanger, Norway
Date: March 22, 1997 02:23 UT
300mm f/4.5, 15 seconds, Fujicolor 800.
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Observer: Calvin Hill
Location: Azle, Texas
Date: March 22, 1997 02:34, 02:51 UT
Both images are 1 second exposures taken with a Cookbook 245 CCD on a Meade 8" f/6 r eflector, broad band nebula filter.
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Observer: Michael Warner
Location: Tucson, Arizona
Date: March 22, 1997 02:45 UT
Image taken with a Celestron C5+ telescope, CookBook245LDC CCD Camera, 10 second exposure, Post-Processing included sharp filter, Gamma correction ( 0.5 ) and stretching to enhance jets and ripples near the nucleus, the field of view = 18'x13'.
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Observer: Fred Stauffer
Location: Gondiswil, Switzerland
Date: March 22, 1997 04:15 UT
Camera: Olympus 2n, Lens: 50mm / f=1.4 Film: Kodak Ektar 1000, but overexposed with 500 ASA, approx 5 sec.
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Observer: Udo Zlender
Location: Bonn, Germany
Date: March 22, 1997 04:26 UT
These two ccd-images of comet Hale-Bopp were made at the prime focus of a Celestron C11. Camera was OES LcCCD14 in 2x2 binning mode, exp. time was 3 seconds, no filters were used. The pictures are a combination of 9 images which were dark subtracted, flat fielded, log scaled, registered and median combined. To enhance details in the nuclear region the second image was further processed by an unsharp mask.
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Observer: Tom Alderweireldt
Location: Gravenwezel, Belgium
Date: March 22, 1997 04:55 UT
PixCel255 CCD images with 300 mm F/4 lens. Exposure: 15 x 0.5 sec, log scaled, field of view: 20 x 28 arcmin. Left: original summed image. Right: nucleus processed with unsharp masking.
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Observer: Philippe Demoulin
Location: Jungfraujoch Observatory, Switzerland
Date: March 22, 1997 05:00 UT
Lens: 70 mm at f/3.5. Exposure time 30 seconds. Film Fujicolor SG800.
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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: March 22, 1997 09:48:50 UT
First image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 10 sec exposure. The field of view is 23.1 X 17.4 arc min. Sky with mist. The second image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 10 sec exposure. The field of view is 23.1 X 17.4 arc min. Image in False Color was processed with MIRA Software.
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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: March 22, 1997 10:46 UT
First image is a 30 second exposure of comet Hale-Bopp. A 12 inch Maksutov telescope, working at a focal ratio of f5 was used with an SBIG ST8 CCD camera and a red filter. Second image is a false colour version of the above image. Third image is the original 30 second exposure used to make the top image on thi s page has been flat fielded and dark subtracted. The image has been processed using Mira. A 20 by 20 median filtered masked image was subtracted from 105% of the original. A false colour pallate was then added. The fourth image is the original 30 second image has been processed to reveal structure in the come's coma.
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Observer: Wolfgang Rafelt
Location: Sachsen, Germany
Date: March 22, 1997 18:34 UT
30 seconds, 50mm/f2.8, Scotch Chrome 400.
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Observer: Toni Scarmato
Location: Calabria, Italy
Date: March 22, 1997 19:00 UT
Reflex Chinon Ob. 50mm, f/1.9, Time Exposure 30 sec on KODAK EKTAR 1000 ISO.
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Observer: Herve Choplin
Location: Tours, France
Date: March 22, 1997 19:45 UT
Camera: Olympus OM1 Box with 200mm lens Exposure time: 20 seconds Film: Konica 3200 SR-G Professional Comments: clear weather but brillant full moon
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Observer: Martin Mutti
Location: Stockerenweg 1, Wichtrach, Switzerland
Date: March 22, 1997 20:01:33-20:04:01 UT
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Telescope: Schmidt-Cassegrain 2m / f10
Guiding: Zeiss Telementor
CCD-Camera: Imaging:SBIG ST-7 HiRes mode: 1 Pixel = 0.9 arcsec.
Guiding:SBIG ST-4
IR stop + red, green, blue filter
Integrations: red: 1 X 10 sec
green: 1 X 15 sec
blue: 1 X 50 sec
total: 75 sec
Image manipulation: dark substract
Prewitt Filter
Imaging software: CCDOPS36, PRISM
First image shows the spiral jet near the core. The center is blurred out. Second image shows the center of the spiral jet.
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Observer: Peter de Vries
Location: Westeinderplassen, the Netherlands
Date: March 22, 1997 22:15 UT
Minolta X-300 with 1.2/50 mm. Exposure time: 35 seconds.
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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: March 22, 1997 23:42:45 UT
The image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 10 sec exposure. The field of view is 23.1 X 17.4 arc min. The second image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 10 sec exposure. The field of view is 23.1 X 17.4 arc min. Image in False Color was processed with MIRA software.
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