Comet 2011L4 PanStarrs on early morning of Apr 4, 2013


f=530mm prime focus

Date & Time: Apr 3 2013, from 27:58 to 28:12 JST(+0900)
Composed 12 shots with 1 minute 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: Kujihama, Hitachi city, Ibaraki pref.

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



200mm telephoto lens (Comet PanSTARRS & M31)

Date & Time: Apr 3 2013, from 28:01 to 28:07 JST(+0900)
Composed 6 shots with 1 minute exposed
Optical: AF zoom-Nikkor ED 80-200mmF2.8 (f=200mm, Aperture: F3.5)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Nikon D700
Location: Kujihama, Hitachi city, Ibaraki pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4256×2832)
Device Size...FX format (36×24mm)
Sensitivity...ISO800, White Balance...Daylight


The comet PanSTARRS in that day observed the first time in last 3 weeks has been positioned at 2.5 degrees southwest of the Andromeda Galaxy (M31) in lower northeast dawn skies. The comet has a coma with brightness of 3rd magnitude and a distributed dust tail stretched in north direction with a length of about 1.5 degrees.



2011L4 PanSTARRS on early morning of Apr 8, 2013
2011L4 PanSTARRS on Mar 16, 2013

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