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Comet Hale-Bopp Images - May 1997

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Observer: Rett Alonzi
Location: Powell Observatory, Louisburg, Kansas
Date: May 3, 1997

50 mm, f2, 20 second exposure on Kodak 400 Gold film.


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Observer: Herman Mikuz
Location: Island of Cres, Croatia
Date: May 3, 1997

300mm, f/4 Asahi Pentax camera lens (6x7) and Kodak Vericolor 400 film.


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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: May 3, 1997 00:04:52 UT

The first image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 5.0 sec exposure. The field of view is 23.1 X17.4 arc min.

The second image is in false color. Image was processed with Mira software.


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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: May 3, 1997 00:43-01:24 UT

1. 37 x 30 second images of Hale Bopp obtained between 00:43 and 01:24 UT using a blue filter and a 12 inch Maksutov telescope has been dark subtracted and flat fielded,and a false colour pallete applied.

2. 37 x 30 second exposures of Hale Bopp, taken through a blue filter have been combined and processed subtracting a 20 by 20 pixel masked version from 105% of the original image.


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Observer: Mike Garnsey
Location: Pierrepont Manor, New York
Date: May 3, 1997 00:55-01:25 UT

Camera/Film: Pentax, 40mm, Fuji Super G+ 800, 20 seconds.


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Observer: Thomas Collin
Location: Parc National de la Mauricie, Quebec, Canada
Date: May 3, 1997 01:00 UT

Fujicolor 400 film. First image is a 20 seconds exposure with a 50 mm lens. Second image is a 4 minutes guided exposure with a 200 mm lens.


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Observer: Jean-Luc Filion
Location: 80 km North of Montreal, QC, Canada
Date: May 3, 1997 01:34-01:39 UT

1- Canon FTB camera equipped with a 50mm F1.8 lens. Exposure time was 2 minutes 30 seconds on ISO 400 film. The camera was mounted on an equatorial platform with a stepper motor.

2- 200mm F3.3 telephoto lens using the same setup as above. Exposure time: 4 minutes.


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Observer: Geoff Chester
Location: Merck Forest, East Rupert, Vermont
Date: May 3, 1997 01:45 UT

50mm f/1.8 Series-E Nikkor lens, and is a 15-second exposure on PPF-400.


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Observer: Patrick Dyer
Location: San Antonio, Texas
Date: May 3, 1997 02:04, 02:12 UT

1. Pentax K-1000, f/2, 50-mm with 2x teleconverter. Fuji 800, 30 seconds piggyback on clockdriven Criterion RV-6.

2. Pentax K-1000, projection from 25-mm eyepiece on Criterion RV-6 (6", f/8 Newtonian). Kodacolor 400, 10 seconds clockdriven ("hat trick"), west at top, south at right.


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Observer: Leon Reneau
Location: Santa Cruz Mountains, California
Date: May 3, 1997 04:20, 04:35 UT

90mm, f/2.8, 10 min, Fuji Super G 800, barndoor tracker.


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Observer: Mike Cecile
Location: Calgary, Alberta, Canada
Date: May 3, 1997 04:45, 05:00 UT

1. Pentax 50 mm lens, f1.8, tripod, 30 secs, Ektachrome 400 pushed twice.

2. Pentax 50 mm lens, f1.8, piggy-back guided, 30 secs, Ektachrome 400 pushed twice. Ion tail just visible and still in its normal position.


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Observer: Michael Horn
Location: Injune, Queensland, Australia
Date: May 3, 1997 08:35 UT

Exposure: 15 seconds with 50mm lens, f1.7, Fuji G-800.


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Observer: Kevin Parker
Location: Mackay, Queensland, Australia
Date: May 3, 1997 18:45PM

135mm f2.8 shot with fuji 400 film.


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Observer: Gianluca Masi
Location: Ceccano, Italy
Date: May 3, 1997 19:07-19:11 UT

1. Three frame mosaic, each frame 1 min exposure. Technical informations on the same picture. Vixen SP R-150S, 15 cm f/5 reflector telescope; CCD SBIG ST-7. Log scaled.

2. Shows the inner region, with dust waves. Technical informations on the same picture. Vixen SP R-150S, 15 cm f/5 reflector telescope; CCD SBIG ST-7; elaboration: QMiPS32.

3. The last one uses the Larson/Sekanina algorithm to extract hidden features. Technical informations on the same picture. Vixen SP R-150S, 15 cm f/5 reflector telescope; CCD SBIG ST-7; elaboration: QMiPS32.


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Observer: Michel Benvenuto
Location: Mont Chauve, France
Date: May 3, 1997 19:53 UT

50mm Nikon lens at F/D 2.8, in 15s on Ektar 1000 on a tripod.


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Observers: Francesca Lucentini, Marco Paolo Pavese
Location: Genoa, Italy
Date: May 3, 1997 22:00 PM

1. Kodak Gold 1000 ASA, camera NIKON F4, lens Nikon AFD 180mm F2.8, TIME 45 sec.

2. FUJI PROVIA 400 ASA, camera NIKON F4, lens Nikon AFD 16mm F.2.8, TIME 40 sec.

3. FUJI PROVIA 400 ASA, camera NIKON F4, lens Nikon AFD 35mm F.2.8, TIME 45 sec.

4. FUJI PROVIA 400 ASA, camera NIKON F4, lens Nikon AFD 50mm F.1.4, TIME 45 sec.

5. FUJI PROVIA 400 ASA, camera NIKON F4, lens Nikon AFD 50mm F.1.4, TIME 50sec.


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Observer: Loke Kun Tan
Location: Red Rock Canyon Park, California
Date: May 4, 1997

Pentax 6x7 camera was used with a 165mm f2.8 lens.


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Observer: Loke Kun Tan
Location: Red Rock Canyon Park, California
Date: May 4, 1997

This is one day after the comet crossed the plane of the solar equator where the sun's magnetic field exhibits large amounts of irregularity. Note the 'forking' of the ion tail further from the head of the comet. 8" f1.5 Celstron/Epoch Schmidt Camera.


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Observer: Takashi Nakashima
Location: Kumanmoto Civil Astronomical Observatory, Japan
Date: May 4, 1997

35mm F2.5, Fuji G-800, 20 second exposure.


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Observer: Chris Serio
Location: Wallingford, Connecticut
Date: May 4, 1997

Pentax MV F/2 50mm lens and iso/asa 200 film.


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Observer: Paul Cichocki
Location: Mojave Desert, Nevada
Date: May 4, 1997

50 mm lens, Minolta 35 mm camera, 25 second exposure, Fuji 800 super G plus print film.


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Observer: Daniel Henry
Location: Lacona, New York
Date: May 4, 1997

Fuji G800 w/50mm lens ~20sec.


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Observer: Mike Garnsey
Location: Pierrepont Manor, New York
Date: May 4, 1997 01:05 UT

Camera/Film: Pentax, 40mm, Fuji Super G+ 800, 20 seconds.


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Observer: Tim Forrest
Location: Broad Creek, Newport, North Carolina
Date: May 4, 1997 01:47-03:07 UT


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Observer: Patrick Dyer
Location: San Antonio, Tecas
Date: May 4, 1997 02:04, 02:12 UT

1. Pentax K-1000, f/2, 50-mm with 2x teleconverter. Fuji 800, 30 seconds piggyback on clockdriven Criterion RV-6.

2. Pentax K-1000, projection from 40-mm eyepiece on Criterion RV-6 (6", f/8 Newtonian). Kodacolor 400, 7 seconds clockdriven ("hat trick"). West at top, south at right.


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Observer: Glenn Ray
Location: Sealy, Texas
Date: May 4, 1997 02:08, 02:37 UT

First Image
Camera:    Pentax 645 (6x4.5) 75mm f/2.8 @ f/4
Film:      Kodak Pro 1000 (PMZ)
Exposure:  30 seconds, unguided
Notes:     Note Aldebaran/Hayades near horizon. This was about an hour
           after sunset.

Second Image
Camera:    Pentax 645 (6x4.5) 200mm f/4
Film:      Kodak Pro 400 (PPF), hypersensitized
Exposure:  4 minutes 
Notes:     North is right.  Guided on comet nucleus.

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Observers: Dewey Vanderhoff, Mack Frost
Location: Polecat Bench, Wyoming
Date: May 4, 1997 04:00 UT

1967 Nikon F camera mounted with a Tokina 80-200mm f/2.8 ATX lens, and mated to the barrel of a Meade LX-20 SCT. Exposure was 7 mins wide open at f/2.8 on Fuji Super G 800, at 200 mm focal length.


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Observer: Frank Camacho
Location: Albuquerque, New Mexico
Date: May 4, 1997 04:00 UT

45-second exposure on Kodak Royal Gold 1000 film using an Albinar zoom lens at 70-mm and f/3.5 on a tripod mounted Pentax K1000 camera.


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Observer: Dave Schmahl
Location: Highway 79, Julian, California
Date: May 4, 1997 04:10 UT

50mm lens at f1.7, 1000 Kodak Gold, 20 sec exposure, unguided.


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Observer: Mike Cecile
Location: BearPaw Village, Canada
Date: May 4, 1997 05:00 UT

Tripod, Pentax 50mm lens at 1.8, 30 sec. exposure, 400 ASA Ektachrome pushed twice.


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Observer: Michael Horn
Location: Clermont, Queensland, Australia
Date: May 4, 1997 08:54 UT

Exposure: 4 minutes prime focus 1350mm, f4.5, Fuji G-800.


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Observer: Michael Horn
Location: Clermont, Queensland, Australia
Date: May 4, 1997 09:07 UT

Exposure: 4 minutes 135mm, f2.8, Fuji G-800.


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Observer: Kevin Parker
Location: Mackay, Queensland, Australia
Date: May 4, 1997 18:45 PM

400mm f5.6 shot on May 4th with fuji 400 film 12 minutes.


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Observer: Rainer Timm
Location: Lochham, Germany
Date: May 4, 1997 19:50 UT

Nikon EM, Nikkor 50mm f1,8, 15 sec Kodak Elite II 400 Slide-Film.


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Observer: Martin Mutti
Location: Stockerenweg 1, Wichtrach, Switzerland
Date: May 4, 1997 20:16:20-20:23:50 UT

Photo Lens:             Minolta MD Macro 100mm f/4
CCD-Camera:             SBIG ST-7
Size:                   4 deg x 2.6 deg
                        IR Stop + green filter
Image manipulation:     dark substract, flat field, log enhance
Imaging software:       CCDOPS36, PRISM

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Observer: Emmanuel Vigneron
Location: Chateau Thierry, France
Date: May 4, 1997 21:00 UT

Canon EOS 100 50mm 55 s T MAX 400 ASA.


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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: May 4, 1997 23:48:49 UT

The first image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 10.0 sec exposure. The field of view is 23.1 X17.4 arc min.

The second image is in false color. Image was processed with Mira software.


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

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