Comet Gehrels2 on Dec 18, 2004


Date & Time: Dec 18 2004, from 22:28 to 22:44 JST(+0900)
Composed 4 shots with 5 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: Fujifilm FinePix S2 Pro
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)
CCD Sensitivity...ISO1600, White Balance...Auto


I couldn't catch clear tail of comet Gehrels 2 in this day because of moonlight, but you can see a dimmed tail stretched toward east, which is opposite direction of previously photographed picture. We can chase the comet till spring 2005.


Gehrels2 on Jan 8, 2005
Gehrels2 on Nov 20, 2004

Copyright(c) 2004 by Naoyuki Kurita, All rights reserved.
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