Comet 2009P1 Garradd on Feb 18, 2012


Date & Time: Feb 18 2012, from 26:28 to 27:24 JST(+0900)
Composed 8 shots with 8 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
Digital Camera: Nikon D700
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4256×2832)
Device Size...FX format (36×24mm)
CCD Sensitivity...ISO1600


The comet Garradd in that day has moved to the constellation of Draco, I could observe a clear 6th magnitude coma with a binocular. The comet has a dust tail in east and an evolved ion tail with a length of over 3 degrees being stretched in west direction.



Garradd on Mar 24, 2012
Garradd on early morning of Jan 28, 2012

Copyright(c) 2012 by Naoyuki Kurita, All rights reserved.
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