Comet Tempel 2 on Sep 10, 2010


Date & Time: Sep 10 2010, from 25:16 to 25:32 JST(+0900)
Composed 6 shots with 3 minutes exposed
Optical: VIXEN 20cm(7.9") VISAC with a conversion lens (f=1278mm, F6.4)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Nikon D700
Location: Hitachi-oota 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


The comet Tempel 2 in that day has been positioned about 2 degrees southwest from tau Ceti. You can see a coma with about 9th magnitude in brightness, a bit darker than that in last month. And a fan-like dust tail in northern direction can be detected, distribution of ion composition can hardly be recognized.



Tempel 2 on Sep 18, 2010
Tempel 2 on Aug 12, 2010

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