Comet 2007Q3 Siding Spring on Mar 21, 2010


Date & Time: Mar 21 2010, from 25:39 to 26:28 JST(+0900)
Composed 5 shots with 12 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(3008×2000)
CCD Sensitivity...ISO1600


This image shows you the comet Siding Spring moved to central region of Draco. The comet has a coma brightness of about 11th magnitude, hardly detectable with telescope aided eyes. The dust tail has been spread and shortened.


Wild 2 on early morning of Jan 11, 2010
Siding Spring on Mar 13, 2010

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