Comet 2009P1 Garradd on early morning of Dec 30, 2011


Date & Time: Dec 29 2011, from 28:14 to 29:01 JST(+0900)
Composed 7 shots with 4 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with TAKAHASHI EM200 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...ISO1600




The comet 2009P1 Garradd in that day moved to northeastern lower dawn skies has positioned at 10 arc minutes northwest of rambda Her. The comet with 6th magnitude brightness has a fan-like dust tail in east and an indistinct ion tail stretched to northern direction. Two tails look being perpendicular because of mutual position of the Sun and Earth.




Garradd on early morning of Jan 28, 2012

Garradd on Nov 20, 2011


Copyright(c) 2011 by Naoyuki Kurita, All rights reserved.
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