Comet 2011L4 PanStarrs on May 2, 2013


f=530mm prime focus

Date & Time: May 2 2013, from 22:51 to 23:38 JST(+0900)
Composed 12 shots with 4min. exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 600D (Remodeled)
Location: Furudono town, Fukushima pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO1600



f=135mm telephoto lens (Comet PanSTARRS & NGC7822)

Date & Time: May 2 2013, from 22:51 to 23:37 JST(+0900)
Composed 12 shots with 4min. exposed
Optical: AF zoom-Nikkor ED 80-200mmF2.8 (f=135mm, Aperture: F2.8)
with Astronomik CLS-CCD filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Furudono town, Fukushima pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO1600


In May 2013, the comet PanStarrs bacame a circumpolar star in lower northeast skies. In that day I could observe the comet closimg to an emission nebula of NGC7822 in eastern part of Cepheus. The coma has a visual brightness of 6th or 7th magnitude, and a widely spread fan-shaped dust tail and a short ion tail in east can be detected.



2011L4 PanSTARRS on May 4, 2013
2011L4 PanSTARRS on early morning of Apr 13, 2013

Copyright(c) 2013 by Naoyuki Kurita, All rights reserved.
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