Comet 2007Q3 Siding Spring on early morning of Jan 11, 2010

Date & Time: Jan 10 2010, from 26:19 to 26:10 JST(+0900)
Composed 6 shots with 10 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 D50 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

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

The comet Siding Spring in that day has been positioned in west edge of the Bootes, can be detected a 10th magnitude coma and a short dust tail. It was slightly clouded condition, I could not capture detailed structures of the comet.

Siding Spring on early morning of Jan 17, 2010

Siding Spring on early morning of Dec 27, 2009

Copyright(c) 2010 by Naoyuki Kurita, All rights reserved.
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