2004H6 SWAN on Jul 23, 2004


Date & Time: Jul 23 2004, from 26:48 to 26:58 JST(+0900)
Composed 4 shots with 3 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Fujifilm FinePix S2 Pro
Location: Koumi town, Nagano pref.

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





The comet SWAN is lying in eastern region of Aquarius, observed looks like very dimmed nebula with a brightness of 8th magnitude. In that day the comet has gone away beyond the orbit of Mars. It's predicted that the brightness of comet will fall dramatically from this time on.




2003K4 LINEAR on Jul 23, 2004

2001Q4 NEAT on Oct 23, 2004


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