Comet 2009P1 Garradd on Mar 24, 2012


Date & Time: Mar 24 2012, from 22:15 to 22:39 JST(+0900)
Composed 4 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(2784×1848)
Device Size...DX format (24×16mm)
CCD Sensitivity...ISO1600


This image shows you the comet Garradd positioned in northern Ursa Major. The comet is lying at about 5.5 degrees SSE of Bode's galaxies (M81 & M82), has visual brightness of about 6th magnitude, almost same as that in last month. Now the comet has been a circumpolar star, apparent directions of dust and ion tails have changed to NE and SSE, respectively.



Garradd on May 12, 2012
Garradd on Feb 18, 2012

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