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Comet Hale-Bopp Images - February 1997


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Observers: Alessandro Dimai, Davide Ghirardo
Location: Col Druscie Observatory, Cortina d'Ampezzo, Italy
Date: February 16, 1997

Two images taken with a Takahashi 102 mm f/6 , exp. 6', and 35 mm lens f/2.8 (Kodak Express Gold 400 II hyper.). The comet was of magnitude 0.8 with an ion tail of ~8 deg. naked eye visible and a diffuse dust tail of ~2,5 deg.

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Observer: Greg Hammer
Location: Greeley, Colorado
Date: February 16, 1997

Kodak Royal Gold 1000 film, three minute exposure with clock drive using f6.3, 400mm telephoto lens.

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Observer: Blake Crook
Location: Charlotte, North Carolina
Date: February 16, 1997

Tripod photos with no tracking and at various exposures. Actually my first astro photos. First image is a 30 sec exposure thru 50mm lens with Fuji 1600 film. Second image is a 90 sec exposure thru 28mm lens with Fuji 1600 film.

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Observer: Martin Mutti
Location: Stockerenweg 1, Wichtrach, Switzerland
Date: February 16, 1997 03:50:56-05:08:03 UT

CCD color image of Hale Bopp with a 100mm foto-objective.

Telescope:              Objective Minolta MD Macro F=100mm f/4
CCD-Camera:             SBIG ST-7
                        red, green, blue filter as objective filter
Integrations:           red:    3 X 120 sec
                        green:  3 X 180 sec
                        blue:   3 X 600 sec
                        total:  2700 sec
Image manipulation:     dark substract, flat field, log enhance
Imaging software:       CCDOPS36, PRISM

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Observer: Jordi Fontana Barbero
Location: Catalunya, Spain
Date: February 16, 1997 05:00 UT

Film :  QSS 100 ASA
Exp :   40"
Obj :   M-42

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Observer: Fred Wehner
Location: Hochstetten, Germany
Date: February 16, 1997 6:00 CET

The first image is taken with a Pentax 1:1.4 50mm on Kodak Tri-X-Pan and 35 sec exposure time. The 2nd image is taken withe a Pentax 1:2.5 200mm on Kodak Tri-X-Pan and 15 sec exposure time. These scanned images are not as good as the original, where you can see even better that the tail is now split in a "V" shaped form. The visual magnitude of Hale-Bopp in this morning was about Epsilon Cygnus ~ 2.5 m.

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Observer: Stephane Potvin
Location: St-luc Dorchester, Quebec, Canada
Date: February 16, 1997 09:41 UT

This image is 60 seconds exposure at prime focus of a 150mm f5.1 Astro-physic's refractor with SBIG ST-7 ccd. Image has been flat fielded and log scaled.

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Observer: Peter Nelson
Location: Wellfleet, Massachusetts
Date: February 16, 1997 09:50 UT

Nikkor 180mm lens, 2 minute exposure, Kodak Royal Gold 1000 film.

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Observer: Jerry Lodriguss
Location: Batsto, New Jersey
Date: February 16, 1997 9:58-10:27 UT

First image is a composite of two exposures, one 3 minutes, and one 5 minutes at 9:58 and 10:07 UT on 16 February 1997. The comet was photographed on gas-hypersensitized Fujicolor Super G 800 Plus with a Nikon 400mm f/2.8 ED lens from Batsto, NJ. The two original film exposures were scanned and digitized and then combined in Photoshop. Second image is Comet Hale-Bopp and the Cygnus Milky Way just before the beginning of astronomical twilight on February 16, 1997. This is a five minute exposure at 10:27 UT on gas-hypersensitized Kodak PJM Ektapress Multi-speed with a 55mm f/2.8 Nikkor lens.

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Observer: Francis Graham
Location: Christine Alley Observatory, Pittsburgh, Pennsylvania
Date: February 16, 1997 10:00 UT

Sketch of the comet, 7 x 35 binoculars.

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Observers: Yvan Bourassa, Dominique Beauchamp
Location: Observatoire Alphonse-Tardif, St-Neree, Quebec, Canada
Date: February 16, 1997 10:03 UT

First image taken with a 8" Schmidt camera on PPF ISO 400. 1 minute exposure time. One can see that the ion (blue) tail is now split in a "V" shaped form. Second image is an enlargement of coma from previous image.

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Observer: Paul Gitto
Location: Arcturus Observatory, Pine Barrens of Whiting, New Jersey
Date: February 16, 1997 10:18, 10:53 UT

The image was taken onto a Pictor 416 ccd thru a 10" LX200 @ f3.3. 8 Shift & combine images of 7.5secs. for a total of 60 sec. Image was dark and flat frame corrected, and log scaled. Second image is a Tri-Color Hale-Bopp Image. Dark field corrected, and log scaled. Images were onto a Pictor 416CCD thru a 10" LX 200 @ F/3.3 Images ranged from(60 sec. Red) (two - 60 sec. Green) (two - 60 Sec. Blue) Images were shift & combine 7.5 exps.

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Observer: Denis Bergeron
Location: Quebec, Canada
Date: February 16, 1997 10:30 UT

Images of Hale-Bopp comet taken with a Criterion 4000 SCT 4" F5 (FL:500mm). A CCD camera SBIG ST6 was used and the exposure was 60 sec. The sky condition was not very good because a thin layer of clouds covered the comet. The blue color of the comet were added to increase the look and are not the real color of Hale-Bopp.

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Observer: Uwe Heine
Location: Burlington, North Carolina
Date: February 16, 1997 10:30 UT

Drawing of comet Hale-Bopp as seen through 16x80 Binoculars. The drawing was done in pencil, digitized and reversed. Since the drawing was done from memory, the star-field was omitted. The wedge-shaped fountain on the right side of the pseudonucleus was strikingly bright.

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Observer: Jay Edwards
Location: Kopernik Space Education Center, Vesta, New York
Date: February 16, 1997 10:36 UT

Instrument: 8-inch, f/1.5 Schmidt Camera piggyback on a C-14
Exposure:   1 Min. Exposure on Kodak 400 Color Print Film

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Observer: Glenn French
Location: Arlington, Massachusetts
Date: February 16, 1997 10:45 UT

The image is a 40 second exposure at 5:45AM 2/16/97 from Arlington, MA. Made using a Celestar8 8" SCT at prime focus on Kodak Royal Gold 1000 film.

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Observer: Douglas Durig
Location: Cordell-Lorenz Observatory, Tennessee
Date: February 16, 1997 10:55-11:29 UT

In addition to the ST-6 on the LX200 at f/4 (1220 mm FL, 24x18 arcmin) I piggybacked a second ST-6 with a 60 mm f/5.6 camera lens ( 8x6 deg). Thus I got both wide-field and close up shots.

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Observer: David Hanon
Location: Ringgold, Georgia
Date: February 16, 1997 11:15-11:27 UT

First image is a 30 sec exposure with my 7" refractor operation at f/6 with ST-8 ccd camera. The second image is a 2 minute exposure using the same equipment.

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Observer: Gary Holmes
Location: Alabama
Date: February 16, 1997 11:20, 11:35 UT

Two images done with the 130mm Celestron Schmidt. First image is a 5 minute exposure with red filter showing dust tail (1120 UT). Second image is a 1 minute exposure with no filter, showing ion tail as well (1135 UT). Both on hypered Kodak 2415 emulsion. These images are about 3 degrees on a side; for the unfiltered exposure north is to the left (sorry about that), while for the red-light picture the field of view is rotated about 20 degrees clockwise from that orientation. These are subsections of the camera field; the negative shows the ion tail extending off the frame (about 4 degrees from the nucleus).

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Observer: Gregg Geist
Location: Austin, Texas
Date: February 16, 1997 12:20-12:40 UT

The following picture was drawn at the telescope February 16, 1997 at 1220-1240 UT from my driveway.

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Observer: ???
Location: University of Hawaii
Date: February 17, 1997

The complex jet structure of Hale-Bopp, from the UH 2.2-meter telescope.

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Observer: Loyd Overcash
Location: Ft. Davis, Texas
Date: February 17, 1997

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Observer: Mario Ortiz
Location: Escuintla, Guatemala
Date: February 17, 1997

12 minute shot with a 50mm f/2.0 lens on Kodak Gold 400 film.

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Observer: Geral Rhemann
Location: Stickelberg, Austria
Date: February 17, 1997 03:30 UT

Schmidtkamera 225/255/435mm,
Film: Kodak Gold Pro, Bel.: 6 Min.,
Mag.: 1.3, einige Strahlen im
      Gasschweif und wie immer ein schoner, gelber Staubschweif.

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Observer: Jan Vesely
Location: Hradec Kralove, Czech Republic
Date: February 17, 1997 04:31 UT

First image is taken by PixCel 255 (ST-5) CCD through photographic lens 4/300. Exposition started at 04:31 UT and lasted 120 seconds. The image was log scaled. The second image was then contrast and brightness enhanced to reveal fine structure near the nucleus.

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Observers: Tim Forrest, Jon Wolfe, Mark Norris
Location: Williston, North Carolina
Date: February 17, 1997 08:50-09:35 UT

#1 taken at 0935UTC. #2 Same except 0850UTC 50mm 30 sec. #3 Same except 0930 UTC 50mm 30sec

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Observers: Yvan Bourassa, Dominique Beauchamp, Stephane Gosselin
Location: Observatoire Alphonse-Tardif, St-Neree, Quebec, Canada
Date: February 17, 1997 09:08 UT

Image taken with a Schmidt camera with a focal reducer coupled to a Celestron-14 giving a f-ratio of f/5.6. We can see the coma, the green "shock wave" on the front, the root of the ion tail and of the dust tail. Many details are visible on the original print out. Exposure time of 5 minutes.

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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: February 17, 1997 09:30 UT

First image is a 60 second exposure of Comet Hale Bopp made using a 12 inch f5 Maksutov Telescope. Images were exposed through a red filter (Wrattan 25) The image has been scaled to show detail in the coma. Conditions poor with haze and occasional low cloud. Second image is a version of the first image with a false colour pallete Third image shows the jets of Comet Hale Bopp. 60 second exposure, processed by subtracting a 10 by 10 pixel median filtered image from the original.

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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: February 17, 1997 09:33:55 UT

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 sky was very cloudy.

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Observers: Stephane Potvin, Jean Francois Viens
Location: St-luc Dorchester, Quebec, Canada
Date: February 17, 1997 09:36 UT

This is 5 seconds exposure at prime focus of a 150mm f5.1 Astro-physic's refractor with SBIG ST-7 ccd.

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Observer: Douglas Durig
Location: Cordell-Lorenz Observatory, Tennessee
Date: February 17, 1997 10:05-10:54 UT

SBIG ST-6 with either a 12 inch Meade LX200 telescope at f/4 with a red UBVRI filter or a f/5.6 60 mm telephoto lens unfiltered. I used the following exposure times and processing techniques using SBIG CCDOPS software:

LX200   time(UT)        exposure        back            range   comments

hb3r    10:05           24x10 sec       0               18978   compare to hb6 to see movement
hb4r    10:29           1x30 sec        500             3500    short exposure
hb5r    10:32           24x10 sec       0               9000    tracking on comet
hbc6r   10:52           24x10 sec       0               51708   just the pseudonucleus
hbd6r   10:52           24x10 sec       500             3500    full coma observed

60 mm

hb2     10:06           1x30 sec        1630            608     minor light pollution from horizon
hbtt6   10:54           24x30 sec       2500            12000   best view of comet

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Observer: William Burnett
Location: Wilmington, North Carolina
Date: February 17, 1997 10:15 UT

The photo was taken using a Nikon EM 35mm SLR camera equipped with a Astro Rubinar Maksutov 100mm f/10 telephoto lens, piggyback-mounted on a Meade 10" LX200 Reflector telescope with a computerized clock drive. Burnett used Fuji Super G 800 film and a 8 minute exposure to capture the comet on its march towards the sun.

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Observers: Tony Alonso, Sharon Faris
Location: Estill Springs, Tennessee
Date: February 17, 1997 10:20 UT

Image taken with Kodak 1000 film with a 10" Mead reflector for 60 sec. a frame.

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Observer: John Chumack
Location: John Bryan State Park Observatory, Ohio
Date: February 17, 1997 10:30 UT

Image taken with 6" F3.3 Takahashi Hyperbolic Astrograph for a 15 min. exposure on Kodak Pro 400 PPF.

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Observer: Marcus Featherston
Location: Panama City, Florida
Date: February 17, 1997 10:30 UT

The first image is a wide-angle view showing the comet & the horizon. The second is more of a close-up, enhanced in Photoshop to show a little more detail. Both pictures were taken on a stationary tripod. No tracking. Fuji SG-800 film, 1 hour processing at Wal-Mart!

Wide View: 35mm lens, f/4, 20 second exposure.

Close-Up: 70 mm, f/4, 30 seconds.

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Observer: Denis Bergeron
Location: Quebec, Canada
Date: February 17, 1997 10:30 UT

Mosaic of Hale-Bopp comet taken with a Criterion 4000 SCT 4" F5 (FL:500mm). A CCD camera SBIG ST6 was used and the exposure was 60sec. A total of 8 (1mn) images were used to make this image. The blue color of the comet were added to increase the look and are not the real color of Hale-Bopp. The image is very similar as we can see now when you observe Hale-Bopp with a telescope.

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Observer: John Chumack
Location: John Bryan State Park Observatory, Ohio
Date: February 17, 1997 10:37 UT

The Image on the right is the original, on left is the Inverted view. These images are through a Pentax 35mm camera with a 135mm F2.8 telephoto lens, mounted on my NSF/AAVSO Widefield Camera Platform. Taken on Feb. 17, 1997, starting at 10:37 U.T. for a 8 min. exposure on Agfa HDC 400 35mm negative, developed in my darkroom, pushed 2 stops, C-41 process.

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Observer: Jean Pierre Couture
Location: Ile Bigras, Laval, Quebec, Canada
Date: February 17, 1997 11:00 UT

Camera:    Canon L1 (with shutter integration time at 1/8 sec)
Objective: 120 mm - f2.1
Digitiser: CardCam by Quadrant (pcmcia)
Temp: -25C

First image is the raw image as acquired and second image is cut from the first image with minimal processing using Paint Shop Pro.

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Observer: W. Scott Kardel
Location: Lake Afton Public Observatory, Kansas
Date: February 17, 1997 12:01 UT

Image taken using a 300mm lens with Kodak Royal Gold 1000 film.

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Ron Baalke