Comet Boattini on Apr 4, 2008

Date & Time: Apr 4 2008, from 22:21 to 22:48 JST(+0900)
Composed 6shots with 5 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 comet Boattini in that day can be observed in lower south skies, western region of Corvus with its brightness of about 10th magnitude. And the comet has an indistinct dust tail in northwest direction.

Boattini on Apr 28, 2008

Chen-Gao on Apr 5, 2008

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