Comet Machholtz 1 on Apr 28, 2007

Date & Time: Apr 28 2007, from 26:43 to 26:53 JST(+0900)
Composed 4shots with 3 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 Machholtz 1 is positioned in western Pegasus with its apparent brightness of about 11th magnitude. The comet has passed its perihelion and becoming darker its brightness. You can see a short tail in west and an indistinct anti-tail in opposite direction.

Machholtz 1 on May 11, 2007

Lovejoy on May 26, 2007

Copyright(c) 2007 by Naoyuki Kurita, All rights reserved.
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