153K 26K
Observer: James Wallace III
Location: Terre Haute, Indiana
Date: April 9, 1996 01:45 UT, 01:46 UT

All images were taken with a Nikon 35mm camera with a 50 mm lens set at 2.2 f/stop, on a fixed tripod, with 45 secod exposures on Kodak Royal Gold 1000asa print film.

187K 49K

Observer: David McDavid
Location: Limber Observatory, Pipe Creek, Texas
Date: April 9, 1996 02:38 UT

North is up, east is left, and the field of view is about 3 degrees square. This image is a composite of six 5-s exposures with a Photometrics CCD camera (Thomson 512 CCD) and Robert Reeves' 135-mm Nikon lens at f/4, using the 0.4-m telescope.

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Observer: Brian Halbrook
Location: Michigan
Date: April 9, 1996

First image was shot with an 85mm f2 lens and a 3 minute exposure. AgfaColor 1000 film.

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Observer: David Hanon
Location: Ringgold, Georgia
Date: April 10, 1996 00:15 UT

The image is a 2 min exposure with 180mm f/2.5 lens and ST-8 ccd camera.

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Observer: Brian Halbrook
Location: Michigan
Date: April 10, 1996 06:00 UT

28mm lens at f4 with a 3 or 4 minute exposure. AgfaColor 1000 film.

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Observer: Sang Ho Cho
Location: Taejon, South Korea
Date: April 10, 1996 11:16 UT

101mm (4inches) f/5 focal length=500mm refractor, Fuji super G 800 film, 14 min exposure.

155K 37K
Observer: David Hanon
Location: Ringgold, Georgia
Date: April 11, 1996 01:13 UT

The image is a 2 min exposure with a 180mm f/2.5 lens and ST-8 ccd camera.

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Observer: Tim Puckett
Location: Villa Rica, Georgia
Date: April 11, 1996 01:18 UT

This image of 1996B2 was obtained with a 30 cm reflector working at f/7.3 This is (3) 60 second exposures co-added made with the ST6 camera. The first exposure was taken on 04-11-96 at 01:18:28 UT. Image was processed to bring out the jets. North is up , field is 13.5 x 9.5 minutes

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Observer: Alessandro Dimai
Location: Passo Giau, Cortina d'Ampezzo, Italy
Date: April 11, 1996 20:40 UT

Tele 55 mm f/2,2 - Kodak TP 2415 ip. 10 minute exposure.

284K 51K
Observer: Michel Saint-Laurent
Location: Sainte-Foy, Quebec, Canada
Date: April 12, 1996

105 mm, F 2.8, 20 minutes, 2415 hypered.

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Observer: Masami Ohkuma
Location: Nobeyama, Nagano, Japan
Date: April 13, 1996 UT

PENTAX 6X7 105mm F2.4 Konika GX3200 film. 30 sec Exposed.

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Observer: Robert Commagere
Location: Malibu, California
Date: April 14, 1996 04:10 UT

First photo was taken on Technical Pan 2415 with an 8" f/1.5 Schmidt-Camera using a Wratten 25A filter. Exposure was ten minutes. Second photo was taken with an Olumpus OM-1 camera with a 50mm f/1.8 Zuiko lens at f/1.8 for ten minutes with a deep sky filter. The Olympus camera was piggybacked on the Schmidt-Camera and both photos were taken simultaneously. More of the tail seems to be visible in the Olympus shot.

60k 69K
Copyright 1996 Michale DeMarquette
Observers: Michael DeMarquette, Gregg Thompson
Location: Mt. Pino, California
Date: March 14, 1996 04:55 UT

Image taken with a Minolta X-700, 50mm lens @ f/2.0, time for exposure was 1min, film used was Kodak Royal Gold 1000 asa. Tracking device was a homemade straight bolt equatorial mount on tripod

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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 14, 1996 19:03 UT

Wide-field mosaic image taken with the 2.8/180mm lens, CCD and narrow-band H2O+ filter, centered at 620nm (FWHM=10nm). Two consecutive frames were taken between 19:03 and 19:20UT. Each frame was exposed for 5 minutes. The frame field of view is 6.6x2.4 deg.

Second image: B-W negative of the previous image.

Third image: B-W negative of the comet initial 4 deg with details in inner gas tail. A fresh cloud of plasma has been detached just few hours before this image was taken. Frame obtained with the 2.8/180mm lens, CCD and narrow-band H2O+ filter.

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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 15, 1996 19:13 UT - 19:46 UT

First image is a wide-field mosaic image taken with the 2.8/180mm lens, CCD and narrow-band H2O+ filter, centered at 620nm (FWHM=10nm). Two consecutive frames were taken between 19:13 and 19:30UT. Each frame was exposed for 5 minutes. The frame field of view is 7.2x2.3 deg. Second image is a B-W negative of the previous image. Third image is a wide-field image obtained with the 3.5/65mm lens, CCD and dust continuum filter, centered at 647nm (FWHM=10nm). Exposure time was 5 minutes. The frame field of view is 10.3x6.8deg.

132K 23K
Observer: F. Colas, J. Lecacheux, P. Laques
Location: Pic du Midi Observatory, France
Date: April 15-18 UT

These two images of C/1996 B2 Hyakutake were taken under similar observing conditions. A transitory outburst is clearly visible on April 15.85 Our filter was the RG 830 e=3 mm (Gunn 6). The scale was 222 km/pixel on April 15, and 252 km/pixel on April 18. The exposure duration was 60 seconds on April 15, and 110 seconds on April 18. North is up.

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Observer: Mark Williams
Location:La Givrine, Vaud, Switzerland
Date: April 15, 1996 UT

Camera : Minolta 7000i
Lens : Minolta 35-105mm (f/3.5-f/4.5)
Tracking : Piggy-back on Perl Vixen 130/720, Super Polaris mount, RA motor
Guiding : Celestron Micro-Guide eyepiece 12.5 mm

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Observer: Bob Hatfield
Location: Bluewater Lake State Park, New Mexico
Date: April 16, 1996 02:30 - 03:03 UT

First image was taken through 800mm f10 lens at 03:00 utc on kodak 400 asa gold film. It is a 10 minute exposure tracked on the comet. Second image is a 5 minute exposure taken at 02:30 utc with 35mm f3.5 lens using same film. The ccd images were all taken through cg11 f6.3 telescope with st5 ccd at -25C. Third image is a 5 sec. exp taken at 03:03utc it shows leading "bar shape" of comet Fourth image is a 0.5 sec. exp. taken at 03:25utc it is false color to show interior. Fifth image is a 10x10=100 sec exp. taken at 03:19 utc Sixth is the same as hatf042 except false color.

198K 47K
Observers: Rainer Eisendle, Bruno Stampfer and Martin Dandrea
Location: Hall in Tyrol, Austria
Date: April 16, 1996 18:50 UT

Teleskope: Newton 32cm f4. Film: Fuji G800. Exposing Time: 7min.

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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 16, 1996 19:50 UT

First image is a wide-field mosaic image taken with the 2.8/180mm lens, CCD and narrow-band H2O+ filter, centered at 620nm (FWHM=10nm). Two consecutive frames were taken between 19:50 and 20:07UT. Each frame was exposed for 5 minutes. The frame field of view is 6.6x2.4 deg. Second image is a B-W negative of the previous image.

103K 21K
Observer: Gregor Krannich
Location: Wuenschendorf, Erzgebirge mountains, Germany
Date: April 16, 1996 20:35 UT

The image is taken with a 200mm f/3.5 lens on Fujicolor super G 400 film, 15 min exposure time, guided with AS 100/1000 refractor.

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Observer: Alessandro Dimai
Location: Passo Giau, Cortina d'Ampezzo, Italy
Date: April 16, 1996 20:40 UT

Tele 100 mm f/2.8 - Kodak TP 2415 ip. 10 minute exposure.

198K 47K
Observer: Juergen Knobloch
Location: Jura Mountains, Switzerland
Date: April 16, 1996 20:45 UT

The comet tail comes out quite nicely - considering the modest equipment. 200mm lens f/3.5 1000 ASA Ektar Kodak film. 6 minutes guided exposure (just before the comet set behind a tree). The photo was then corrected for flat field using Photoshop.

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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 17, 1996 19:16-19:58 UT

First image is a wide-field mosaic image taken with the 2.8/180mm lens, CCD and narrow-band H2O+ filter, centered at 620nm (FWHM=10nm). Two consecutive frames were taken between 19:30 and 19:43UT. Each frame was exposed for 5 minutes. The frame field of view is 7.1x2.2 deg. Second image is a B-W negative of the previous image. Third image is a wide-field image obtained with the 2.8/180mm lens, CCD and dust continuum filter, centered at 647nm (FWHM=10nm). Exposure time was 5 minutes. The frame field size is 3.8x2.5deg. Fourth image is a wide-field image obtained with the 2.8/35mm lens, ST-6 CCD and V filter. Exposure time was 5 minutes. The frame field of view is 14x10deg.

104K 23K
Observer: Gregor Krannich
Location: Wuenschendorf, Erzgebirge mountains, Germany
Date: April 17, 1996 20:03 UT

The image is taken with a 200mm f/3.5 lens on Fujicolor super G 400 film, 15 min exposure time, guided with AS 100/1000 refractor.

135K 32K
Observer: Peter Barvoets
Location: Pennsylvania
Date: April 17, 1996

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Observer: David Hanon
Location: Ringgold, Georgia
Date: April 18, 1996 01:25 UT

The first image is a mosaic of (2) 2 minute exposures taken with a 180mm f/2.5 lens and ST-8 ccd camera. the second image is a negative of the first which shows more detail in the faint portion of the tail.

173K 27K

111K 19K

185K 28K
Observer: Nick Campitelli
Location: Slippery Rock University, Pennsylvania
Date: April 18, 1996 02:00-03:30 UT

Images taken with an old Argus 50 mm camera with kodak 400 TX B&W. Exposure times were between 30 sec. and 90 sec.

203K

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276K 91K
Observer: Kurt Svihla
Location: Harrison Crawford State Forest, Indiana
Date: April 18, 1996 03:12 UT, 03:18 UT

First image: Canon AE-1, 50 mm lens, F2.8, 60 seconds, Kodak Royal Gold 1000. Second image: Canon AE-1, 50 mm lens, F2.8, 45 seconds, Kodak Royal Gold 1000.

294K 62K

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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 18, 1996 19:24-19:48 UT

First image is a wide-field mosaic image taken with the 2.8/180mm lens, CCD and narrow-band H2O+ filter, centered at 620nm (FWHM=10nm). Three consecutive frames were taken between 19:24 and 19:52UT. Each frame was exposed for 5 minutes. The frame field of view is 9.9x1.9 deg.

Second image is a B-W negative of the previous image.

Third image is a wide-field image obtained with the 2.8/35mm lens, ST-6 CCD and V filter. Exposure time was 5 minutes, starting at 19:48UT. The frame field of view is 14x10deg.

73K 12K
Copyright 1996 Vic Winter
Observer: Vic Winter
Location: Near Holt, Missouri
Date: April 19, 1996 3:13 UT

Photographed with a 500mm lens at f4 A star-guided piggyback exposure of 5 minutes on Fuji Super G 400 ASA Color Negative film.

80K 15K
Copyright 1996 Vic Winter
Observer: Vic Winter
Location: Farpoint Observatory, Kansas
Date: April 20, 1996 3:20 UT

45mph winds calmed somewhat for this shot that shows the separation between the dust and plasma tails. One very strong gust "bounced" the 500 mm, f4 piggyback mounted lens during this 10 minute exposure. Photographed on Fuji Super G 400 ASA Color Negative film.

176K 53K
Observer: Masami Ohkuma
Location: Nobeyama, Nagano, Japan
Date: April 20, 1996 UT

PENTAX LX 24mm F2 Fuji Super G800 film. 30 sec Exposed.

258K 105K
Observer: Masami Ohkuma
Location: Nobeyama, Nagano, Japan
Date: April 20, 1996 UT

PENTAX Z-1 180mm F2.5 Fuji PROVIA film. 60 sec Exposed.