Comet 2009R1 McNaught on early morning of May 22, 2010


Date & Time: May 21 2010, from 26:13 to 26:28 JST(+0900)
Composed 6 shots with 3 minutes exposed
Optical: VIXEN 20cm(7.9") VISAC with a conversion lens (f=1278mm, F6.4)
with BaaderPlanetarium Moon & Skyglow filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Nikon D700
Location: Ootake coast, Hokota city, Ibaraki pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(2784×1848)
Device Size...DX format (24×16mm)
CCD Sensitivity...ISO6400


This image shows you the comet 2009R1 McNaught moved to an area of Andromeda, positioned at about 7 degrees southeast of Alpheratz. The comet has a coma with brightness of 8th magnitude, and cannot be detected clear tail because of bad transparency condition.



2009R1 McNaught on early morning of Jun 1, 2010
2009R1 McNaught on early morning of May 18, 2010

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