20K
Observer: Lydia Green
Location: Hay River, Northwest Territories, Canada
Date: May 1997
6K
Observer: Travis Norman
Location: Houston, Texas
Date: May 1997
55mm f2 regular 35mm camera tracking for about 10-15min exposure with 400 ASA.
84K
Observer: Bob Yen
Location: Mojave Desert, California
Date: May 1, 1997
1. 610mm lens. Ion tail is faint, wide & fan-like; broad curved dust tail.
2. 105mm lens. Comet against contstellation Auriga, setting in the NW.
3. 165mm lens. Comet setting in NW, note California Nebula & deep-sky objects in Auriga.
4. 300mm lens. Comet near open cluster NGC1746.
63K
Observer: John Flanigan
Location: Kaneohe Bay, Hawaii
Date: May 1, 1997
Pentax IQ Zoom, tripod-mounted, bulb exposure for one minutes on Kodak Gold Max film,
88K
Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: May 1, 1997 00:45-01:15 UT
1. 30 x 30 second images of Hale Bopp obtained using a blue filter and a 12 inch Maksutov telescope has been dark subtracted and flat fielded,and a false colour pallate applied.
2. 30 x 30 second exposures of Hale Bopp, taken through a blue filter have been combined and processed by subtracting a 5 by 5 pixel masked version from 105% of the original image.
3. 30 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
26K
Observer: David McDavid
Location: Limber Observatory, Pipe Creek, Texas
Date: May 1, 1997 02:33-02:42 UT
10 cm Meade SCT that is normally used as a finder and guide scope on the 0.4 m telescope at Limber Observatory. The image is the average of six 60 s exposures with an unfiltered Photometrics CCD camera (Thomson 512 chip) and 2X focal reducer. North is up, east is left, and the field of view is about 1 degree.
20K
Observer: David Hanon
Location: Ringgold, Georgia
Date: May 1, 1997 03:15 UT
The image is the result of combining (16) 30 second exposures with the ST-8 camera and 7" refractor at f/5.5. The image was enhanced to show the ion tail streamers.
31K
Observers: Noeleen Lowndes, Graham Lowndes
Location: Mt. Tamborine, Queensland, Australia
Date: May 1, 1997 10:10 UT
50mm lens, exposure time 30 seconds on Fujicolour Super HG 1600 film.
17K
Observer: Young-Sik Park
Location: Chung-Buk Chung-Ju, South Korea
Date: May 1, 1997 11:31-11:41
300mm (f/4.5). Exp. 10min and Film used Kodak Superclear 400 (Negative). Mount used was Losmandy G-11.
64K
Observer: Case Rijsdijk
Location: South Africa Astronomical Observatory
Date: May 1, 1997 19:08
Celestron 20 cm Schmidt camera working at f1.5 with Fujichrome film rated at 1600 ASA for 60s
65K
Observer: Martin Mutti
Location: Stockerenweg 1, Wichtrach, Switzerland
Date: May 1, 1997 20:09:25-20:23:07 UT
Photo Lens: Minolta MD Macro 100mm f/4
CCD-Camera: SBIG ST-7
Size: 4 deg x 2.6 deg
IR Stop + red, green, blue filter
Integrations: red: 60 sec
green: 90 sec
blue: 300 sec
total: 450 sec
Image manipulation: dark substract, flat field
6K
Observer: Juergen Knobloch
Location: French Jura, Switzerland
Date: May 1, 1997 20:00-21:00 UT
Camera mounted on telescope for guidance.
1) 20:15 UT, 50mm f1.4 lens 5min exposure
2) 20:45 UT, 200mm f3.5 lens 9min exposure
156K
Observer: Giacomo Ledda
Location: Monte Argentario, Italy
Date: May 1, 1997 20:10 UT
Contax camera (lens Zeiss-Planar 1,7/50), using a stereo base of ~300mm. Film: Kodak Ektachrome Panther 1600 ISO developped at 1600 ISO. f/1.7, 20 second exposure.
46K
Observer: Giacomo Ledda
Location: Monte Argentario, Italy
Date: May 1, 1997 20:10 UT
Contax camera (lens Zeiss-Planar 1,7/50), using a stereo base of ~300mm. Film: Kodak Ektachrome Panther 1600 ISO developped at 1600 ISO.
28K
Observer: Konrad Horn
Location: Salem, Germany
Date: May 1, 1997 20:17-20:23 UT
Image taken with the 177/300 Schmidtcamera on TP 2415 hyp.
29K
Observers: Yves Dodet, Valerio Dodet
Location: USC Monnaie de Paris, Paris, France
Date: May 1, 1997 20:17-21:05 UT
1. The first image was taken with Pictor 416 CCD (768*512) camera through a Celestron 8 ultima with focal reducer (F 6.3) and LPR filter, 10.0 sec exposure.
2. The second and the third images are in false color, was processed with Meade Epoch 2000ip, scale image = logaritmic.
3. The fourth image was taken with Pictor 416 CCD (384*256) camera throught a Celestron 8 ultima with focal reducer (F 6.3) and LPR filter, 5.0 sec exposure. P> 4. The fifth and the sixth images are in false color, was processed with Meade Epoch2000ip, scale image = logaritmic.
48K
Observers: Francois Colas, Jean Lecacheux, Sylvie Jancart, Luc Henrard
Location: Pic du Midi Observatory, France
Date: May 1, 1997 21:00 UT
The images were obtained with a 50-mm F/1.4 Pentax photographic objective and an HiSiS-44 CCD camera (1536x1024 pixels).
29K
Observer: Fred Wehner
Location: Kaiserslautern, Germany
Date: May 1, 1997 21:45 UT
Pentax 1:1.4 50mm on Kodak Tri-X-Pan with 25 sec exposure time.
97K
Observers: Francesca Lucentini, Marco Paolo Pavese
Location: Genoa, Italy
Date: May 1, 1997 22:00 PM
1. Kodak Gold 1000 ASA, camera NIKON F4, lens Nikon AFD 50mm F.1.4, TIME 15 sec.
2. FUJI PROVIA 400 ASA, camera NIKON F4, lens Nikon AFD 180mm F.2.4, TIME 25 sec.
98K
Observer: The Isaac Newton Group of Telescopes
Location: Roque de Los Muchachos Observatory, La Palma, Spain
Date: May 2, 1997
This picture was a 10 second exposure.
2. This picture was taken using the Na filter centered at 589 nm. It was exposured during 240 seconds.
3. Finally, this is an exposure using the 625 nm filter. It is a 240 seconds exposure
75K
Observer: Bob Yen
Location: Mojave Desert, California
Date: May 2, 1997
1. 610mm lens. Ion tail is wide fan-like, showing striations; broad curved dust tail.
2. 300mm lens. Note striations in ion tail.
3. 165mm lens. Note deep sky objects in Auriga, comet setting in NW.
4. 105mm lens. Wide angle shot of comet (in Taurus), with tail extending to Auriga.
29K
Observer: Paul Cichocki
Location: Goodsprings, Nevada
Date: May 2, 1997
Minolta 35 mm camera and a 28 mm lens...so the comet is small in these views.....the headlights are lightpainted in using my video camera light and colored gels.
107K
Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: May 2, 1997 00:45-01:25 UT
1. 49 x 30 second images of Hale Bopp obtained between 00:45 and 01:25 UT using a blue filter and a 12 inch Maksutov telescope has been dark subtracted and flat fielded,and a false colour pallate applied.
2. 49 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.
14K
Observer: Dale Ireland
Location: Hood Canal, Washington
Date: May 2, 1997 06:00 UT
1. 58mm Nikkor Noct lens, f/1.2, fuji 1600, 20-30 sec.
2. 500mm f/4, PPF400, 1 min. The comet was low and in haze which reddened it and made the ion tail nearly invisible.
32K
Observer: Frank Tornyai
Location: Island Bay, Weitemata Harbour, Auckland, New Zealand
Date: May 2, 1997 18:25 PM
20 - 40 sec exposure using Fuji 400 with Zenit 12s, 58mm lens, f 2.
89K
Observer: Herman Mikuz
Location: Pernat, Croatia
Date: May 2, 1997 19:46-19:56 UT
300mm, f/4 Asahi Pentax camera lens (6x7) and Kodak Vericolor 400 film.
12K
Observers: Francois Colas, Jean Lecacheux
Location: Pic du Midi Observatory, France
Date: May 2, 1997 20:40 UT
1. 26 minutes exposure through our 2.8 nm wide interference filter centered on the 579.3 nm sodium D line and our 50 mm photographic lens.
2. 105 centimeter telescope with a Gunn 6 filter.
28K
Observer: Konrad Horn
Location: Salem, Germany
Date: May 2, 1997 20:45-20:50 UT
Image taken with the 177/300 Schmidtcamera on TP 2415 hyp.
20K
Observer: Bruno Belfiore
Location: Genoa, Italy
Date: May 2, 1997 21:00-22:00 PM
FUJI SUPER G 400 ASA, camera NIKON F3, lens Nikon AFD 35-85mm F.3.5, TIME 20 sec.
15K
Observer: S. J. Wainwright
Location: Swansea, United Kingdom
Date: May 2, 1997 21:45 UT
The image is a 3 min Scotch Mount guided shot with a 50mm lens and 400 ISO Kodak Gold Ultra film.
38K
Observer: Fred Wehner
Location: Hennweiler, Germany
Date: May 2, 1997 21:50 UT
Both images are taken with a Pentax 1:1.4 50mm on Kodak Tri-X-Pan and 25 sec exp. time.
91K
Observers: Francesca Lucentini, Marco Paolo Pave
Location: Genoa, Italy
Date: May 2, 1997 22:00-23:00 PM
FUJI SUPER G 400 ASA, camera NIKON F4.
1. lens Nikon AFD 85mm F.1.4, TIME 15 sec.
2. lens Nikon AFD 50mm F.2.8, TIME 25 sec.
3. lens Nikon AFD 35mm F.2.8, TIME 25 sec.
165K
Observers: Francesca Lucentini, Marco Paolo Pavese
Location: Genoa, Italy
Date: May 2, 1997 22:30 PM
FUJI 400 ASA, camera NIKON F4, lens Nikon AFD 35mm F.2.8, TIME 30 sec.