Comet Christensen on Nov 23, 2008


Date & Time: Nov 23 2008, from 20:03 to 20:36 JST(+0900)
Composed 4 shots with 8 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 D50 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3008×2000)
CCD Sensitivity...ISO1600


The comet Christensen in that day has been positioned in the autumnal Milky Way of southwest part of Cepheus, has a coma brightness of about 10th magnitude and a short dust tail stretched in west direction. The comet will have the maximum brightness in July 2009, we can chase the movement of the comet in northern skies for long period.


Christensen on Nov 28, 2008
Itagaki on Mar 28, 2009

Copyright(c) 2008 by Naoyuki Kurita, All rights reserved.
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