Comet Chen-Gao on Apr 5, 2008

Date & Time: Apr 5 2008, from 20:50 to 21:07 JST(+0900)
Composed 5shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt Cassegrain with a conversion lens (f=1760mm, F6.9)
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

The image shows you my first shot of comet Chen-Gao lying in southwest region of Auriga having only dimmed coma. Now the comet has about maximum brightness, observed with about 9th magnitude.

Boattini on Apr 4, 2008

Wirtanen on Apr 5, 2008

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