Comet Wild 2 on early morning of Jan 23, 2010

Date & Time: Jan 22 2010, from 26:11 to 26:52 JST(+0900)
Composed 6 shots with 8 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 Wild 2 in that day has been positioned at about midway between gamma and theta Vir. with a coma brightness of about 10th magnitude. And same with it in previous week, the comet has an asymmetric dust tail stretched in west direction.

Wild 2 on Feb 6, 2010

Wild 2 on early morning of Jan 17, 2010

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