Comet 2015ER61 PanSTARRS on early morning of May 21, 2017

Date & Time: May 20 2017, from 26:21 to 26:36 JST(+0900)
Composed 8 shots with 2min. exposed
Optical: VIXEN 20cm(7.9") VISAC with a conversion lens (f=1278mm, F6.4)
with Baader Planetarium Moon&Skyglow filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 6D (Remodeled)
Location: Furudono town, Fukushima pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5472×3648)
Device Size...35×24mm, Sensitivity...ISO3200

The comet 2015ER61 PanSTARRS in that day has positioned at 4.5 degrees east from omega Psc in lower dawn skies, this image can show you a 7th magnitude coma and a dimmed dust tail with a length of half a degree. This day had the moonlight of age 24, I could not detect detailed state of the comet due to the glare.
  The image has been cropped with an equivalent f=1600mm. (View angle: 1.28×0.85°)

Comet Tuttle-Giacobini-Kresak on Mar 4, 2017

Comet 2015ER61 PanSTARRS on early morning of Apr 29, 2017

Copyright(c) 2017 by Naoyuki Kurita, All rights reserved.
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