18K
Observer: John Flanigan
Location: Aiea, Honolulu, Hawaii
Date: April 23, 1997

Pentax IQ Zoom, tripod-mounted, bulb exposure for two minutes on Kodak Gold Max film.

46K
Observer: Rainer Timm
Location: Castle Nymphenburg, Munich, Germany
Date: April 23, 1997

Nikon F50 f1.4 5sec Kodak Gold Pro 400.

45K
Observer: Pat Swayne
Location: Atlanta, Georgia
Date: April 23, 1997

Home-made 460mm f4 lens on a Canon AE1 camera and Kodacolor 1000 speed film. 5 second exposure.

22K
Observer: Patrick Dyer
Location: San Antonio, Texas
Date: April 23, 1997 02:04 UT

Pentax K-1000, f/2, 50-mm with 2x teleconverter. Kodacolor 400, 60 seconds piggyback on clockdriven Criterion RV-6.

21K

25K

21K
Observer: Zoe Cichocki
Location: Red Rock Canyon, Nevada
Date: April 23, 1997 05:50 UT

35 mm camera, fuji 800 film, flashlight used with redfilter for lighting the plants.

39K
Observers: Carlos J. Santisteban, Francisco Villaespesa
Location: Almeria, Spain
Date: April 23, 1997 20:46 UT

Camera: Olympus OM4. Lens: Olympus 35mm F2. Film: Kodak Technical Pan 2415 (developed at ISO 160/23=BA). Exposure: f/2.8, 3 minutes.

60K
Observer: Paolo Candy
Location: Astr. Station Club Parco dei Cimini, Viterbo, Italy
Date: April 23, 1997 21:00 UT

135 mm f/2.8 camera lens Nikkor on SP mount + JMI Mototrak V 80A + YA2 filters (Sodium trasmission) - Kodak TP 2415 Hyp - 15 min. of exp. - guide by C5 on comet nucleus.

75K

18K
Observers: Francesca Lucentini, Marco Paolo Pavese
Location: Genoa, Italy
Date: April 23, 1997 21:00-22:00 PM

1. ILFORD XP2 400 ASA, camera NIKON F4, lens Nikon AFD 35mm F.2.8, TIME 10sec.

2. SCOTCH 640T ASA, camera NIKON F4, lens Nikon AFD 500mm F.4, TIME 15 sec.

23K
Observers: Francesca Lucentini, Marco Paolo Paves
Location: Genoa, Italy
Date: April 23, 1997 21:30 PM

SCOTCH 640T ASA, camera NIKON F4, lens Nikon AFD 35mm F.2.8, TIME 5 sec.

9K

13K
Observers: Alberto Quijano Vodniza, Juan Diaz
Location: Mayaguez, Puerto Rico
Date: April 23, 1997 23:48:42 UT

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. Second image in false color was processed with Mira software.

10K
Observer: Theo van de Mortel
Location: Deurne, The Netherlands
Date: April 17-24, 1997

These drawings of the shell structure are based on observations from a 222mm reflector f/6 (104x).

29K
Observer: Bob DuBrall
Location: Saguaro National Park, Arizona
Date: April 24, 1997

50mm, F2.8, approximately 45 seconds, Kodak 400. Area was illuminated by full moon.

34K
Observer: Comet Hale-Bopp European Team
Location: Teide Observatory, Canary Islands, Spain
Date: April 24, 1997

CCD image of the nuclear region of Hale-Bopp taken by the Mons telescope (51 cm. f/16). Field size: aprox. 4 arc minutes.

38K
Observer: Tom Newport
Location: Wayne, Michigan
Date: April 24, 1997

Canon AT-1 with a 125mm lens at f2.8 and a 2X extender. I used Fuji 800 plus and an exposure of 20 seconds.

61K
Observer: Michael Mirjahangir
Location: Huntington Beach, California
Date: April 24, 1997

20 sec. at f/1.9 unguided used 50mm lens and Fuji 400 speed film.

23K

38K

29K
Observer: Bob DuBrall
Location: Saguaro National Park, Arizona
Date: April 24, 1997 02:00 UT

All shots were 60 second exposures at 50mm, F2.8 with Kodak 400.

22K
Observer: Leon Reneau
Location: Milpitas, California
Date: April 24, 1997 04:00 UT

90mm, f/2.8, 15 sec unguided, Fuji Super G 800.

24K
Observer: Bill Keel
Location: Hale Pohaku, Mauna Kea, Hawaii
Date: April 24, 1997 05:42 UT

Kodacolor 1000, 20 seconds, 50mm f/1.8.

79K

45K
Observer: Mike Cecile
Location: Fort Liard, Northwest Territories, Canada
Date: April 24, 1997 06:50 UT

1. Ektachrome 400 ASA, 50 mm lens, 60 sec. exposure, unguided.

2. Ektachrome 400 ASA, 50 mm lens, 60 sec. exposure, unguided.

65K
Observer: Michael Horn
Location: Lake Samsonvale, Brisbane, Australia
Date: April 24, 1997 08:20 UT

Exposure: 8 seconds with 135mm lens, f4, Kodak PJM-2 on a camera tripod.

31K

31K
Observer: Paul Cichocki
Location: Mount Charleston, Nevada
Date: April 24, 1997 09:15, 09:40 UT

35 mm Minolta camera, tripod, cable release, camera set at bulb, 50 mm lens set at f2.4.

119K
Observer: Mitsuya Saeki
Location: Hyogo, Japan
Date: April 24, 1997 11:05 UT

Lens: Tokina f300mm F2.8.
Film: FujiColor 800 SGA.
Exposure: 10 min.
Guiding: Takahashi type-I mount.

34K

19K

19K
Observer: Gianluca Masi
Location: Ceccano, Italy
Date: April 24, 1997 18:54-19:15 UT

The first image shows the region around the nucleus. Log-scaled. Vixen SP R-150S, 15 cm f/5 reflector telescope; CCD SBIG ST-7.

The second image shows the inner region, with dust waves. Vixen SP R-150S, 15 cm f/5 reflector telescope; CCD SBIG ST-7; elaboration: QMiPS32.

The third image uses Larson/Sekanina algorithm to extract hidden features. Vixen SP R-150S, 15 cm f/5 reflector telescope; CCD SBIG ST-7; elaboration: QMiPS32.

48K
Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 24, 1997 19:32 UT

CCD image of comet Hale-Bopp, obtained with 2.8/90mm lens, CCD and V filter. Exposure time was 1 minute.

11K
Observer: Thierry Valat
Location: Chailly en Brie, France
Date: April 24, 1997 19:40 UT

28mm Tokura lens at F/D 4, in 25s on Scotch 400 on a tripod.

207K
Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 24, 1997 19:43-19:50 UT

19-cm, f/4 Flat-field S-C camera and Kodak Ektacolor ProGold 1000 film (6x7 format).

15K

16K

10K

5K

4K

12K
Observer: Yves Dodet
Location: USC Monnaie de Paris, Paris, France
Date: April 24, 1997 21:45-22:30 UT

Images taken with Pictor 416 CCD camera through a Celestron 8 ultima with focal reducer(F 6,3) and LPR filter,

11K
Observer: Alberto Quijano Vodniza
Location: Mayaguez, Puerto Rico
Date: April 24, 1997 23:49:48 UT

Image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 1.0 sec exposure. The field of view is 23.1 X17.4 arc min.