Comet Machholz on Nov 20, 2004


Date & Time: Nov 20 2004, from 26:41 to 27:03 JST(+0900)
Composed 4 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 x 2016)
CCD Sensitivity...ISO1600, White Balance...Auto





Date & Time: Nov 20 2004, from 27:18 to 27:30 JST(+0900)にかけての2分露出6コマをコンポジット
Composed 6 shots with 2 minutes exposed
Optical: TAMRON SP f=300mmF2.8 with conversion lens (f=420mm, Aperture: F4.0)
Auto-guided with TAKAHASHI EM-200 Equatorial
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




Comet Machholz in this day has a brightness of about 7th magnitude and its ion tail stretched northwest looks clearer day by day. An emphasized image of second picture shows you that the ion tail curves a bit.
The comet has almost remained at south of Lepus for the last month, but will start to move toward north rapidly from the day on. We will be able to observe and enjoy the comet under better condition at northern hemisphere.





Mochholz on Dec 6, 2004

Mochholz on Nov 12, 2004


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