Comet Kushida on Jan 24, 2009

Date & Time: Jan 24 2009, from 18:33 to 19:09 JST(+0900)
Composed 4 shots with 8 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
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 Kushida in that day has been positioned in west of the Hyades, almost same with last week. I could observe a large oval greenish coma with a diameter of over 10 arc minutes. The coma has a brightness of about 9th magnitude, its distribution of ionic light looks a bit asymmetric. Perhaps the comet has a short dust tail in east direction.

Kushida on Feb 14, 2009

Kushida on Jan 17, 2009

Copyright(c) 2009 by Naoyuki Kurita, All rights reserved.
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