Comet Boattini on Apr 28, 2008

Date & Time: Apr 28 2008, from 20:39 to 20:55 JST(+0900)
Composed 6shots with 3 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 has been positioned at southern part of Crater, only greenish coma can be detected. The comet had a brightness of about 8th magnitude, but I couldn't see the comet through a telescope because of bad transparency condition.

Boattini on May 3, 2008

Boattini on Apr 4, 2008

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