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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 14-21, 1996 UT

Development of comet Hyakutake ion tail during the eight day period of 1996 Apr. 14 - 21 (top to bottom). Choose either false color or white-black version.

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Copyright 1996 Michale DeMarquette
Observers: Michael DeMarquette, Gregg Thompson
Location: Mt. Pino, California
Date: April 21, 1996 04:30-05:15 UT

First imagewas 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, (now automated) . The second image was taken with a 28mm lens @ F/3.5, time for exposure was 4min 15sec. The third image was taken with 50mm lens @ F/2.0, time for exposure was 1min 30sec.

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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: April 21, 1996 19:12-19:26 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 19:16 and 19:37UT. Each frame was exposed for 3 minutes. The frame field of view is 10.7x1.9 deg.

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

Third image is a wide-field image obtained with the 2.8/180mm lens, CCD and dust continuum filter, centered at 647nm (FWHM=10nm). Exposure time was 2 minutes, starting at 19:12UT. The frame field size is 3.8x2.5 deg.

Fourth image is a wide-field image obtained with the 2.8/35mm lens, ST-6 CCD and V filter. Exposure time was 2 minutes, starting at 19:26UT. The frame field of view is 14x10deg.

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Observer: Joe Bauman
Location: Stockton, Utah
Date: April 22, 1996 03:30 UT

Four-minute exposure at f1.8, 50-mm. lens on an ancient Nikon, mounted on my telescope, which was tracking.

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Observer: Dianne Marshall
Location: Fairbanks, Alaska
Date: April 22, 1996 10:15 UT

30 second exposure, 50 mm lens, Kodak 1000 Gold film, F4.5, lots of aurora.

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Observers: Casper ter Kuile, Robert Haas
Location: Biddinghuizen, the Netherlands
Date: April 22, 1996 20:30 UT

Camera: Canon T-90 + 2.0/135 mm. Film: Kodak Ektar 1000 ISO. Exp. time: 2 minutes.

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Observer: Francoid Colas
Location: Pic du Midi Observatory, France
Date: April 23, 1996