Comet Boattini on early morning of Aug 3, 2008


Date & Time: Aug 2 2008, from 26:19 to 26:49 JST(+0900)
Composed 6shots with 5 minutes exposed
Optical: TAMRON SP f=300mm F2.8 with a conversion lens (f=420mm, F4.0)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Nikon D80 (Remodeled)
Location: Koumi town, Nagano 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 in southern region of Aries, can be observed tail-less greenish blued coma. I could detect the comet only with a portable binocular, has a visual brightness of about 7th magnitude.




Boattini on early morning of Aug 10, 2008

Boattini on early morning of Jul 6, 2008


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