Comet Boattini on May 3, 2008

Date & Time: May 3 2008, from 22:14 to 22:35 JST(+0900)
Composed 6shots 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 comet Boattini in that day has been positioned around central region of Hydra with a coma brightness of about 8th magnitude. The comet has a fairly evolved greenish blued coma but has no clear tail. I could detect a dimmed nebula like light with naked eyes through a telescope.

Boattini on early morning of Jul 6, 2008

Boattini on Apr 28, 2008

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