Comet Lulin on Mar 6, 2009


f=1600mm prime focus

Date & Time: Mar 6 2009, from 23:23 to 23:35 JST(+0900)
Composed 4 shots with 2.5 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D50 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3008×2000)
CCD Sensitivity...ISO1600



f=200mm telephoto lens (The Praesepe & Comet Lulin)

Date & Time: Mar 6 2009, from 23:22 to 34:32 JST(+0900)
Composed 4 shots with 2.5 minutes exposed
Optical: AF zoom-Nikkor ED 80-200mmF2.8 (f=200mm, F3.2)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with Meade LX200 Equatorial
Digital Camera: Nikon D80 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3872×2592)
CCD Sensitivity...ISO800


In that day the comet Lulin has been positioned just southwest of the Praesepe in Cancer. I captured these images under Moonlight with an age of 9.4, only a short dust tail can be detected. The comet has already started to withdraw from the Earth, has a visual brightness of about 6th magnitude or so, a bit dimmer than that in last month.


Lulin on Mar 14, 2009
Lulin on Feb 21, 2009

Copyright(c) 2009 by Naoyuki Kurita, All rights reserved.
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