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Comet Hale-Bopp Images - February 1997

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Observer: Jun Chen
Location: University of Hawaii
Date: February 7, 1997

This image of Comet Hale-Bopp is a composite of 2 frames. Image taken with the 8192x8192 pixel CCD mosaic built by the Institute for Astronomy, installed on the 2.2m telescope of the University of Hawaii telescope at Mauna Kea through a VR very broad band filter. On this image, North is up, East is left. This image is a 8x7 arcmin. piece from the larger mosaic; the whole comet is much wider than the small region shown here; the gaps between the CCDs forming the mosaic appear as broad black regions. The original image has not been flat-fielded: some dust rings are still visible.


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Observer: Olivier Lardiere
Location: Haute-Provence Observatory, France
Date: February 7, 1997

Comet Hale-Bopp as seen with the 0.8-m telescope of the Observatoire de Haute Provence. The image of Comet Hale-Bopp were taken with a CCD TK 512x512 at the Cassegrain focus (F/D=15) of the 80 cm telescope of the Observatoire de Haute Provence. Picture sampling: 0.42"/pixel, field 3.6'x3.6'. Pictures processed with ESO-MIDAS and QMiPS32 softwares.


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Observer: Joseph Trigo
Location: Benicassim (Castellon), Spain
Date: February 7, 1997

A digitalized image taken on 7-Feb-97 with a (T) 173/1050 mm in focus. TMAX 3200 b&w film.


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Observer: Josep Trigo
Location: Benicassim (Castellon), Spain
Date: February 7, 1997


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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: February 7, 1997 04:39 UT

False-color image of comet Hale-Bopp, taken on with 2.8/180mm lens, CCD and narrow-band H2O+ filter, centered at 620nm (FWHM=10nm). Exposure time was 5 minutes. The field of view is 3.8x2.5 deg. North is at the top, East to the left.


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Observer: Stefan Meister
Location: Bulach Observatory, Switzerland
Date: February 7, 1997 05:06-05:42 UT

Three new CCD images (in one gif-file combined) made with two telescopes at Bulach Observatory. The two insets show the activity and several jets around HB's core.


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Observer: Konrad Horn
Location: Germany
Date: February 7, 1997 05:12-05:18 UT

Image taken with a 177/300 Schmidtcamera and TP2415 hyp.


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Observer: Gerald Rhemann
Location: Stickelberg, Austria
Date: February 7, 1997 05:15 UT

Schmidtkamera 225/255/435mm, Film:Kodak Gold Pro,
Bel.: 7 Min., UT 5h15m,
Mag.:2.0, Koma: 50`, Gasschweif: gewellt ca. 4 degrees (Negativende),
Staubschweif: gelb und breit gefachert

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Observers: Rodolfo Calcanca, M. Facchini
Location: Osservatorio Astronomico di Cavezzo, Italy
Date: February 7, 1997 05:15 UT

First image is he sum of 16 images of 15 seconds of integration time. Image taken with the 40 cm telescope and the CCD camera 512x512, field: 12'x12'. The image has been treated with the Larson Sekanina radial algorithm; -2 pixels (the North is up, East on the left). The gas shells which surround the nucleus, are clearly visible. These structures look exactly like those seen in the Hyakutake comet in the CCD images in march last year. The digital processing of the second image consists in a transformation off coordinates from rectangular into polar. The wavy shells of the tail are clearly visible in the rectangular square on the left of the image. The third image is the sum of 16 images of 15 seconds of integration time. The image has been treated with the Larson Sekanina rotational algorithm; 12 degrees (the North is up, East on the left). It is possible to see the gas shells in this image too. The anti-tail bends slightly with an position angle of 180 degrees.


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Observer: Josep Trigo
Location: Benicassim (Castellon), Spain
Date: February 7, 1997 05:18-05:36 UT

Digitalized images taken with a (T) 173/1050 mm in focus.


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Observer: Otto Farago
Location: Swabian Observatory, Stuttgart, Germany
Date: February 7, 1997 05:20, 05:43 UT

First image is a Hale-Bopp CCD-image taken with ST-6 at focal length 500mm. Exposure = 60s, telescope = Celestron 14, field = 1' x 0.75', north is up

Second image was taken with ST-6 at focal length 3910mm. Exposure = 5s, telescope = Celestron 14, field = 7.7' x 5.8', north is up.


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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: February 7, 1997 09:23:10, 09:47:02 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. The image is unprocessed. Second image was taken with a ST-6 CCD camera through a 16 inch, F10 reflector. .70 sec exposure. The field of view is 7.3 X 5.5 . The image is unprocessed.


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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: February 7, 1997 11:05:43 UT

A 5 minute (300 second) second exposure of Comet Hale Bopp. Taken through a blue filter. SBIG ST8 CCD image, taken at the prime focus of a 12 inch f5 maksutov telescope. Image has been flat fielded, and gamma and contrast scaled in using Mira.. Image dimensions 31 arcminutes (long right ascension axis) by 20 arcminutes (short declination axis) During the exposure the camera was guided on the motion of the comet, which means that the star images are trailed.


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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: February 7, 1997 11:05:43 UT

A 5 minute (300 second) second exposure. A false colour pallete has been adopted to enhance details. Taken through a blue filter. SBIG ST8 CCD image, taken at the prime focus of a 12 inch f5 maksutov telescope. Image has been flat fielded, and gamma and contrast scaled in using Mira.. Image dimensions 31 arcminutes (long right ascension axis) by 20 arcminutes (short declination axis)


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Observer: Yusuke Habu
Location: Kobuchizawa, Yamanashi, Japan
Date: February 7, 1997 20:00 UT

Telescope:    Newton F=330mm, f/5 (made by Mr.Hirabayashi)
Film:         Konica GX3200
Camera:       Olympus OM-4
Time:         180 sec x 4(composite)

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Observers: Alessandro Dimai, Davide Ghirardo
Location: Col Druscie Observatory, Cortina d'Ampezzo, Italy
Date: February 8, 1997

Image of the comet Hale Bopp taken with a Takahashi 102 mm f/6, exp. 8', and Kodak Express Gold 400 II hyper. The comet was of magnitude 1.5 with an ion tail of ~5 degrees naked eye visible and a diffuse dust tail of ~2 deg.


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Observer: Josep Trigo
Location: Benicassim (Castellon), Spain
Date: February 8, 1997


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Observer: Michael Mirjahangir
Location: Anza, California
Date: February 8, 1997

4min at f/2.8 guided 50mm lens, Konica 3200.


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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: February 8, 1997 03:45-05:14 UT

Images taken with a 15 cm f/5 reflector and CCD SBIG ST-7.


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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: February 8, 1997 03:49, 04:18 UT

Images taken with 15 cm f/5 CCD SBIG ST-7. First image shows the proper motion of the comet, the second one its nucleus. I have applied the unsharpened mask to the second image.


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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: February 8, 1997 04:08-04:32 UT

First image: (4.08 UT 5 min exp.) has been processed with a log scaling; Second image: (4.21UT 8 min exp.) has been processed with a square root scaling; Third image: (4.21UT 8 min exp.) has been processed with a log scaling; Fourth image: (4.32UT 12 min exp.)has been processed with a square root scaling; Fifth image: (4.32UT 12 min exp.)has been processed with a square root scaling and have been introduced pseudocolors.

The bright star visible in the pictures (except first image) is Gamma Sge. The sky was clear, the comet was clearly naked-eye visible, near Gamma Sge. The field id about 30.7x20.6 Arcmin.


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Observers: Michel Benvenuto, Emmanuel Antuna
Location: Col de Vence, France
Date: February 8, 1997 04:10-05:15 UT

The first picture was taken using a Celestron C5, in 3mn on Ektar 1000. Hale Bopp sweeps Gamma Sagitta, the head is crescent-like, with the start of the straight bleuish plasma tail showing as well as the very wide fan-like dust tail. The tail length was estimated at 3-4=B0 with 20x80 binoculars. The second picture was taken using a Nikon 300mm at F/D 4.5, in 5mn on Ektar 1000. Note M71 below the head and on the far right side M27 ! Hale Bopp sweeps Gamma Sagitta, the head is crescent-like, with the start of the straight bleuish plasma tail showing as well as the very wide fan-like dust tail. The tail length was estimated at 3-4=B0 with 20x80 binoculars. The third picture was taken using a Nikon 300mm at F/D 5.6, in 5mn on Ektar 1000. M71 is less than a degree from Hale Bopp=92s head ! apparently bathed in its outer coma. Gamma Sagitta is above, the head is crescent-like, with the start of the bleuish plasma tail showing as well as the very wide dust tail. (At the time our G11 mount was resting on two legs only, the third one forgotten at home was replaced by a stone !!!)


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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: February 8, 1997 04:47 UT

Wide-field image of comet Hale-Bopp, taken on 1997 Feb. 8, with 2.8/180mm lens CCD and narrow-band filters. 5 minute exposure. Comet ion tail in the light of singly ionized water molecule (H2O+), centered at 620nm (FWHM=10nm). The frame field of view is 3.8x2.5 deg. North is at the top, East to the left.


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Observer: Lorenzo Comolli
Location: Mount S. Martino, Italy
Date: February 8, 1997 05:00 UT

In this image two Messier objects are visible: the nebula M27 (top-left) and the globular cluster M71 (bottom-center). The image was obtained in 2 min. exposure, with Scotch Chrome 3200 ASA and a 200mm (f/3,5) objective.


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Observer: Xavier Bros
Location: Lles, Lleida, Catalonia, Spain
Date: February 8, 1997 05:30 UT

200 mm f5.6 10 minutes exposure on 800 ASA Fujicolor. Two tails are clearly visible. With an SC 250mm and 125X is clearly visible two jets, one of this very bright and curved.


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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: February 8, 1997 09:11:43-09:49:34 UT

First image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 15 sec exposure. The Observatory is part of the University of Puerto Rico, located in the city of Mayaguez, western coast of Puerto Rico ( lat 18 N, long 67 W ). The field of view is 23.1 X 17.4 arc min. The image is unprocessed. Second image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 15 sec exposure. The field of view is 23.1 X 17.4 arc min. The image is unprocessed. Third image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 15 sec exposure. The field of view is 23.1 X 17.4 arc min. The image is unprocessed. Fourth image was taken with a ST-6 CCD camera through a 16 inch, F10 reflector. 10 sec exposure. The field of view is 7.3 X 5.5 . The image is unprocessed.


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Observer: Jean-Luc Filion
Location: 70km North East of Montreal, Quebec, Canada
Date: February 8, 1997 09:53 UT

-200mm f/3.3 telephoto lens on equatorial platform,
-2 minutes exposure on 400 ASA film

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Observers: Greg Palman, Dave Lane
Location: Floriday Keys, Florida
Date: February 8, 1997 10:00 UT

10 minute exposure with 5" f6 Astro-physics Refractor and Kodak Royal Gold 1000 film.


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Observer: Serge Lavoie
Location: Rawdon P.Q, Canada
Date: February 8, 1997 10:10 UT

Photo taken with a Vivitar lens of 400mm f:3.2 with a Kodak film of 400 ASA.


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Observer: Thomas Agriesti
Location: Merrimack, New Hampshire
Date: February 8, 1997 10:10 UT

Both the same picture taken using a Nikon FM camera with a Tokina 70-210mm zoom lens wide open at f/4 and the lens set to about 200mm. The second picture is a close up of the comet using Photoshop to enlarge and crop the picture.hr>


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Observer: Stephane Potvin
Location: St-luc Dorchester, Quebec, Canada
Date: February 8, 1997 10:17 UT

This is a 60 seconds exposure of comet Hale-Bopp obtained with ST7 ccd image, taken at prime focus of a 100mm f 12 schmidt cassegrain telescope. Image has been flat fielded and log scaled.


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Observer: Denis Bergeron
Location: Quebec, Canada
Date: February 8, 1997 10:30 UT

Mosaic of Hale-Bopp comet taken with a Meade SCT 10" F5 (FL1275mm). A CCD camera SBIG ST6 was used and the exposure was 60sec. A total of 5 (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.


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Observers: Stephane Potvin, Michel Saint-Laurent
Location: St-luc Dorchester, Quebec, Canada
Date: February 8, 1997 10:30 UT

This image is 20 minutes exposure at prime focus of a 150 mm f 5.1 Astro-Physic refractor telescope with a 35 mm PPF Hypered 400 asa Film.


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Copyright John E Cordiale 1997
Observer: John Cordiale
Location: Queensbury, New York
Date: February 8, 1997 10:40 UT

This is my first attempt at near infrared imaging of a comet. A Tak Epsilon 130 astrograph was used. A ST5 with a Meade Near IR filter was used. The total exposure was from 25 eight second accumulated exposures. Image 1 is a histogram optimized image. Image 2 is minimal processing. Image 3 is a false color image.


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Observer: Sal Viviano
Location: Detriot, Michigan
Date: February 8, 1997 11:15 UT

Taken at prime focus of lx200 10" f/6.3 @11:15u.t. 30 sec exposure, film=royal gold 1000 one positive image and a closer crop negative.


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Observer: Bob Yen
Location: Mojave Desert, California
Date: February 8, 1997 11:30-11:45 UT

First image is an entire 8" Schmidt-Camera 35mm frame (4.5 x 6.5 deg), slightly narrower than the view of a 7x50 binocular. Narrow gaseous tail upwards, curved dust-tail to right. Note the strong ion tail, and the dimmer diffuse dust tail (foreshortened length, due to viewing geometry). Note the deep-sky objects M27 (Dumbbel Nebula, planetary) and M71 (open cluster).

Second image is a telephoto shot, using a Nikon 300mm/2.8 EDIF lens on 35mm. It has the same FOV as the above Schmidt Camera image. Note how the color shot inherently "spectrally distinguishes" the ion tail (blue) and dust tail (yellow) Note the deep-sky objects M27 (Dumbbell Nebula, planetary) and M71 (open cluster) in the same frame.


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Copyright Cameron Tullysmith
Observer: Cameron Tullysmith
Location: Sonoma County, California
Date: February 8, 1997 13:55 UT

This shot was taken using a 500mm f/5.6 Maksutov-Cassegrain attached to my lightweight equatorial mount using a 1/4-20 adapter that was bolted and taped to the mount's top plate. A Pentax K1000 was attached to the Mak-Cass. The Mak-Cass was focused using my MFFT-55's Ronchi grating prior to attaching the K1000. This was an unguided exposure and it lasted for 2 minutes.


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Observer: Russell Sipe
Location: Anza, California
Date: February 9, 1997

First photo was taken with a standard 35mm camera with 50mm lens (Olympus OM-1). The film is Fuji 1600 print. The exposure time was 5 minutes. The resulting print was processed in Photoshop. The camera was piggybacked on the back of a Takahashi 4" refractor. The second shot was taken with a 200mm lens with a 10 minute exposure.


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Observer: Josep Trigo
Location: Benicassim (Castellon), Spain
Date: February 9, 1997


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Observers: M. Nicolini, M. Facchini
Location: Osservatorio Astronomico di Cavezzo, Italy
Date: February 9, 1997 04:45 UT

First image taken with a 0.40 cm telescope, f/3.2 (Osservatorio Astronomico di Cavezzo); CCD Starlight SXL8, 512x512x15 micron. Image (sum of 33 single images; 5 seconds of integration) in sawtooth scaling and false color. Second image is the sum of 33 images of 5 seconds of integration time. with the 40 cm telescope and the CCD camera 512x512, field: 12'x12'. The image has been treated with the Larson Sekanina rotational algorithm; 12 degrees (the North is up, East on the left). Third image is the sum of 33 images of 5 seconds of integration time with the 40 cm telescope and the CCD camera 512x512. The image has been treated with the Larson Sekanina radial algorithm; -2 pixels (the North is up, East on the left).


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Observers: Yvan Bourassa, Dominique Beauchamp
Location: Observatoire Alphonse-Tardif, St-Neree, Quebec, Canada
Date: February 9, 1997 09:10 UT

Image of Comet Hale-Bopp between Bumbell nebula and globular cluster M71 in Sagitta-Vulpecula border. The image has been taken with a Schmidt camera, f.l.=300mm, aperture=150mm. Exposure time=10min. The film used was PPF ISO 400 and we used XV on Solaris in order to improve the colors.


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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: February 9, 1997 09:47:42, 10:08:09 UT

First image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 15 sec exposure. The field of view is 23.1 X 17.4 arc min. The image is unprocessed. Second image was taken with a ST-6 CCD camera through a 16 inch, F10 reflector. 10 sec exposure. The field of view is 7.3 X 5.5 . The image is unprocessed.


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Observer: Denis Bergeron
Location: Quebec, Canada
Date: February 9, 1997 10:30 UT

mages of Hale-Bopp comet taken with a small telescope SCT 4" F5 (FL500mm). A CCD camera SBIG ST6 was used and the exposure was 5sec. A total of 10 (1mn) images were added. First image is just one image exposed 5 sec but treated to see the nucleus and jets. Second image are many images treated with a french software PRISM.


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Observer: Stephane Potvin
Location: St-luc Dorchester, Quebec, Canada
Date: February 9, 1997 10:30 UT

This image is 60 seconds exposure at prime focus of a 150 mm f 5.1 Astro-Physic refractor telescope with SBIG st7 ccd.


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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: February 9, 1997 10:30, 11:10 UT

First image is a 15 minute (900 second) second exposure of Comet Hale Bopp. Taken through a blue filter. SBIG ST8 CCD image, taken at the prime focus of a 12 inch f5 maksutov telescope. Image has been flat fielded, and gamma and contrast scaled in using Mira.. Image dimensions 31 arcminutes (long right ascension axis) by 20 arcminutes (short declination axis) During the exposure the camera was guided on the motion of the comet, which means that the star images are trailed. Second image is a five minute exposure of the comet, guided on the nucleus has been coded with a false colour pallete. Third image is 30 second and 5 minute tri colour images, created by taking images through red, green and blue filters.


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Observer: John Cordiale
Location: Queensbury, New York
Date: February 9, 1997 10:40 UT

Image taken using St5 CCD camera on a Takahashi FC65 500 mm FL Flourite Refractor. 30 separate 2.5 second exposures were used. An unsharp mask was applied.


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Observer: Sal Viviano
Location: Detroit, Michigan
Date: February 9, 1997 11:07 UT

Taken at prime focus of lx200 10" f/6.3 reduced to f/4.0. Film = Kodak PPF 400 Hypered Lumicon. Exposure - 105 sec.


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Observer: Fernando Avila-Castro
Location: University of Sonora, Mexico
Date: February 9, 1997 12:20-13:04 UT

Exposures are of 30, 60 and 90 seconds. All images were obtained with a refractor 6 cm + CCD ST-4X.


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Observer: Paul Crips
Location: Cheyenne, Wyoming
Date: February 9, 1997 12:32 UT

Photograph with an ST7 using an 18 inch Newtonian. 30 second exposure.


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Observer: Russell Sipe
Location: Anza, California
Date: February 9, 1997 13:00 UT

This eyepiece impression drawing was made through a refractor telescope with a rotated eyepiece which is why the comet appears reversed and "upside-down" relative to the photograph. The title of the drawing is based on the fact that the nucleus had a bright flare coming out the south side that curved back to the west producing the appearance of a miniture comet within the comet.


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Observer: Paul Mortfield
Location: Cupertino, California
Date: February 9, 1997 13:20 UT

Image taken with a 8" f/1.5 Schmidt Camera, 5 min. hypered techpan.


If you would like to submit a new image to this home page, contact:
Ron Baalke
ron@jpl.nasa.gov

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