Comet 2006M4 SWAN on Nov 25, 2006

Date & Time: Nov 25 2006, from 17:57 to 18:19 JST(+0900)
Composed 4shots with 7 minutes exposed
Optical: TAKAHASHI 12.5cm(4.9") fluorite refractor (f=1000mm, F8.0)
Auto-guided with VIXEN ATLUX Equatorial & Meade 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 x 2016)
CCD Sensitivity...ISO1600, White Balance...Auto

The Comet 2006M4 SWAN has in that day has been positioned about 4 degrees west of Altair. The comet has a brightness of about 8th or 9th magnitude, fairly dimmed from its outburst in last month. But it can be observed under good condition in higher western evening skies. This picture shows you a fan-like dust tail stretched in north direction with its length of 10 arc minutes or so.

Garradd on Nov 25, 2006

2006M4 SWAN on Oct 28, 2006

Copyright(c) 2006 by Naoyuki Kurita, All rights reserved.
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