Comet Hartlay 2 on Sep 18, 2010

Date & Time: Sep 18 2010, from 25:14 to 25:36 JST(+0900)
Composed 8 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 x 1848)
Device Size...DX format (24 x 16mm)
CCD Sensitivity...ISO6400

The comet Hartlay 2 in that day has been positioned around 2.3 degrees northwest from rambda Andromedae. The coma has a diameter of about 15 arc minutes or larger, and I could recognize the brightness has about 8th magnitude.

Hartlay2 on Oct 10, 2010

Hartlay2 on Sep 10, 2010

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