Comet 2009K5 McNaught on Mar 21, 2010

Date & Time: Mar 21 2010, from 27:50 to 28:30 JST(+0900)
Composed 4 shots with 10 minutes exposed
Optical: VIXEN 20cm(7.9") VISAC (f=1800mm, F9.0)
Auto-guided with VIXEN ATLUX Equatorial & Meade 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 McNaught in that day has been positioned at about 8 degrees northwest of Altair. The comet has a coma being one size bigger than that in last week, and can be detected an indistinct dust tail stretched in west direction.

2009K5 McNaught on Apr 17, 2010

2009K5 McNaught on Mar 13, 2010

Copyright(c) 2010 by Naoyuki Kurita, All rights reserved.
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