Comet Giacobini-Zinner on early morning of May 21, 2005

Date & Time: May 20 2005, from 27:01 to 27:11 JST(+0900)
Composed 4 shots with 3 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D70 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 8bit TIFF(3008 x 2000)
CCD Sensitivity...ISO1600

The comet Giacobini-Zinner in that day has positioned in eastern edge of the Pegasusu's rectangle, I could observe with its brightness of 11th magnitude in eastern dawn sky. And you can see a dimmed tail in west direction with its length of about 3 arc minutes.

McNaught on Dec 3, 2005

Tempel1 on Jun 25, 2005

Copyright(c) 2005 by Naoyuki Kurita, All rights reserved.
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