C/2002 C1 (Ikeya-Zhang), May 1st

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C/2002 C1 (Ikeya-Zhang), May 1st

A GIF movie of the comet's movement during 1 hour. File size 698 KB, may take a while to load. See also two higher-resolution indiviual images framing this movie. Only 23 frames of the original 90 frames where used for the movie to shorten download time.

May 01

Exposure Data

Instrument: TMB 4.1" f/6.2 APO
F/stop: 6.2
Exposure: 23 x 25 seconds
CCD: SBIG ST-7E
Movie duration: 2:13 - 3:12 MESZ
Date: May 1, 2002
Location: Niederleis, Lower Austria
Conditions: Visual limiting magnitude 5.0 mag, seeing ?, temperature 8.5°C, slight wind, slight dew
Autoguider: Meade Pictor 216
Enhancement: Adobe Photoshop 6.0, by Howdii
Notes: Image enhancement consisted of contrast optimization with Photoshop "Levels" and "Curves", but no dark and no flat field processing, nor any filtering. The moon was up in the sky.

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© 2010 Walter Koprolin