Comet 2007Q3 Siding Spring on Mar 13, 2010

Date & Time: Mar 13 2010, from 25:15 to 25:52 JST(+0900)
Composed 4 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 x 2000)
CCD Sensitivity...ISO1600

This image shows you the comet Siding Spring positioned around a boundary between Bootes and Draco. The comet got dark with a brightness of about 10th or 11th magnitude, but we can still recognize its dust tail clearly with a length of about 5 arc minutes.

Siding Spring on Mar 21, 2010

Siding Spring on Feb 18, 2010

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