Comet Christensen on Dec 28, 2008

Date & Time: Dec 28 2008, from 18:30 to 18:45 JST(+0900)
Composed 4 shots with 5 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1760mm, F7.1)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D80 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3872 x 2592)
CCD Sensitivity...ISO1600

This image shows you the comet Christensen positioned between Cygnus and Lacerta. The comet has a coma with a visual brightness of about 10th magnitude and a short tail in west direction.

Christensen on Jan 17, 2009

Christensen on Nov 28, 2008

Copyright(c) 2009 by Naoyuki Kurita, All rights reserved.
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