Comet 2012S1 ISON on early morning of Oct 27, 2013


Date & Time: Oct 26 2013, from 27:49 to 28:16 JST(+0900)
Composed 10 shots with 2min. exposed
Optical: VIXEN 20cm(7.9") VISAC with a conversion lens (f=1278mm, F6.4)
with BaaderPlanetarium Moon&Skyglow filter
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 (2784×1848)
Device Size...DX format (24×16mm)
Sensitivity...ISO1600, White Balance...Daylight




This page shows you the comet 2012S1 ISON in lower eastern dawn skies captured under moon light of the last quarter. The comet has positioned around 3.5 degrees ESE from the Mars in center of Leo. The comet has a 10th magnitude coma being covered with greenish ionized composition and a dust tail stretched about 15 arc minutes.
(View angle: 1.05×0.7°)





2012S1 ISON on early morning of Nov 2, 2013

2012S1 ISON on early morning of Oct 13, 2013


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