Comet 252P LINEAR on Apr 9, 2016


Date & Time: Apr 9 2016, from 25:59 to 26:27 JST(+0900)
Composed 7 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 JP Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

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


In southern high up in midnight sky, this image has captured the 252P LINEAR after its outburst positioned in the pentagon of Ophiuchus. We can detect no clear tails, the bluish coma has a visual diameter of about 30 arc minutes. The brightness of coma can be estimated about 5.5 or 6.0th magnitude, I could detect it through a portable binocular.
  View angle: 2.4×1.6°


252P LINEAR on May 1, 2016
2013UC10 Catalina on Feb 11, 2016

Copyright(c) 2016 by Naoyuki Kurita, All rights reserved.
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