Comet 2003T4 LINEAR on Dec 11, 2004


Date & Time: Dec 11 2004, from 18:24 to 18:34 JST(+0900)
Composed 3 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Fujifilm FinePix S2 Pro
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)
CCD Sensitivity...ISO1600, White Balance...Auto


Comet 2003T4 LINEAR in that day has positioned in lower NW evening sky, around legs of Hercules. I can detect the comet with a visual brightness of about 11th magnitude. At that time the comet is moving rapidly toward southeast direction, will cross the summer's Milky Way from the beginning of 2005 till spring. It's predicted that the comet will brighten about 8th magnitude in maximum.


2003T4 LINEAR on Jan 7, 2005
2005A1 LINEAR on Jan 21, 2005

Copyright(c) 2004 by Naoyuki Kurita, All rights reserved.
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