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Observer: Loke Kun Tan
Location: Red Rock Canyon Park, California
Date: April 25, 1997

The first image of Hale-Bopp was taken with an 8" f1.5 Celestron/Epoch Schmidt camera while the second image was taken with a Pentax 6x7 camera with a 90mm lens.

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Observer: Bob DuBrall
Location: Saguaro National Park, Arizona
Date: April 25, 1997

50mm, F2.8, approximately 30-60 seconds, Fuji 800, before the moon rose.

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Observer: Jose Fernando Barral Caballero
Location: Sierra Madre Oriental, Mexico
Date: April 25, 1997

Camera Praktica LTL-3, Kodak EKTAR, ASA 1000. Lens 50 mm, f1.8, 15 sec.

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Observer: Bob Yen
Location: Mojave Desert, California
Date: April 25, 1997

610mm lens.

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Observers: Joe Gerry, Nancy Canali
Location: Amesbury, Massachusetts
Date: April 25, 1997

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Observer: Paul Esh
Location: Laguna Mountains, California
Date: April 25, 1997

Canon 50mm, Fugi Super G 800 film, 30 second exposure.

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Observer: Mike Garnsey
Location: Pierrepont Manor, New York
Date: April 25, 1997 01:05 UT

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

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Observer: Bob DuBrall
Location: Saguaro National Park, Arizona
Date: April 25, 1997 02:00 UT

Photo #1 is a 60 second exposure, 50mm, F2.8 on Fuji 800. The mountain tops are illuminated by Tucson city lights.

Photo #2 is a 30 second exposure, 50mm, F2.8 on Fuji 800.

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Observer: Bob DuBrall
Location: Saguaro National Park, Arizona
Date: April 25, 1997 02:00-04:00 UT

All are approximately 45-60 second exposures at 50mm, F2.8, Fuji 880.

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Observer: Bill Keel
Location: Mauna Kea, Hawaii
Date: April 25, 1997 06:03 UT

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

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Observer: Michael Horn
Location: Kilcoy, Queensland, Australia
Date: April 25, 1997 08:35 UT

1 minute prime focus 1350mm, f4.5, Kodak PJM-2.

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Observer: Giacomo Ledda
Location: Monte Argentario, Italy
Date: April 25, 1997 19:50 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, 18 second exposure.

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Observer: Giacomo Ledda
Location: Monte Argentario, Italy
Date: April 25, 1997 19:50 UT

Contax camera (lens Zeiss-Planar 1,7/50), using a stereo base of ~300mm. Film: Kodak Ektachrome Panther 1600 ISO developed at 1600 ISO.

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Observer: Holger Hoffman
Location: Munich, Germany
Date: April 25, 1997 21:00

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Observer: Bob Yen
Location: Mojave Desert, California
Date: April 26, 1997

1. 300mm lens, 20 deg x 24 deg FOV.

2. 610mm lens.

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Observer: Brian Oyer
Location: Hamlin Beach State Park, New York
Date: April 26, 1997 UT

First image was with a 35mm lens at f/2.8 on Kodak Gold 200, guided for 4 minutes.

Second image was with a 105mm lens at f/2.8, same film, guided for 4 minutes.

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Observer: Dewey Vanderhoff
Location: Shoshone River, Wyoming
Date: April 26, 1997

1. Nikon camera; 35mm lens at f/2.8 for 40 seconds on Fuji 800. I lit the tree with a weak flashlight from the camera position, and used my much stronger daylight-filtered flashlight to paint in the van from off camera.

2. 30-45 seconds at f/2.8 on Fuji 800.

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Observer: Sean Campbell
Location: Cody, Wyoming
Date: April 26, 1997

Exposure was for 40 sec. at f/1.7 on fuji superG-800.

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Observer: Francis Graham
Location: Kent, Ohio
Date: April 26, 1997

One is a sketch made through the Meade LX200 12-inch telescope; OH ; the other is a sketch made nudis oculis outside of the facility.

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Observer: Michael Mirjahangir
Location: Helensdale, California
Date: April 26, 1997

1. 35 sec. at f/1.9 guided used 50mm lens and Fuji 800 speed film.

2. 12 min. at f/2.8 guided used 50mm lens and Fuji 800 speed film.

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Observer: Gary McClaran
Location: Santa Margarita Lake, California
Date: April 26, 1997 00:20 UT

Nikon f-3 35mm 1min. at f-2 on ppf-400 (pushed to 800 asa).

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Observer: Thomas Rotkiewicz
Location: Burlington, Connecticut
Date: April 26, 1997

Canon A1, app. 15 sec. w/50mm @ f1.4.

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Observer: Mike Garnsey
Location: Pierrepont Manor, New York
Date: April 26, 1997 01:05 UT

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

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Observer: Dewey Vanderhoff
Location: Wyoming
Date: April 26, 1997 03:45 UT

Lit with a flashlight from either side and behind during a forty second f/2.8 exposure on Fuji 800 ; Nikon camera and 35mm lens.

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Observer: Wally Pacholka
Location: Joshua Tree National Park, California
Date: April 26, 1997 05:00 UT

50mm lens mounted piggy back on old Tasco refractor and hand guided. Camera was set at f2 using Fuji 800 film for an exposure time of 2 minutes. The foregroud rocks were lite up using a small flashlight for 4-5 seconds to bring out the foreground surroundings.

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Observer: Paul Cichocki
Location: Mount Charleston, Nevada
Date: April 26, 1997 05:00-07:00 UT

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Observer: Mike Cecile
Location: Calgary, Alberta, Canada
Date: April 26, 1997 05:10 UT

Ektakrome 400, 50 mm lens, f1.8, 4 minute exposure.

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Observers: Bill Keel, Sam Pascarelle
Location: Infrared Telescope Facility, Mauna Kea Observatory, Hawaii
Date: April 26, 1997 05:07 UT

This 0.3-second exposure using the NSFCAM system was in a narrow band around 2.25 microns in the near-IR, and covers a region 75 arcseconds on a side. To bring out the wide range of details in the dust whorls, this image using a logarithmic intensity mapping. North is at the bottom, east to the left.

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Observer: Bill Keel
Location: Mauna Kea, Hawaii
Date: April 26, 1997 06:03-06:20 UT

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Observer: Mitsuya Saeki
Location: Hyogo, Japan
Date: April 26, 1997 11:10 UT

Lens: Sigma Zoom lens f200mm F2.8.
Film: FujiColor 800 SGA.
Exposure: 8 min.
Guiding: Takahashi type-I mount (no tach).

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Observer: Masami Ohkuma
Location: Nobeyama, Nagano, Japan
Date: April 26, 1997 19:55 JST

PENTAX 67 105mm F2.4 (4.0), Fuji PROVIA400, 3 minute exposure.