Comet Stephan-Oterma on Nov 10, 2018


Date & Time: Nov 10 2018, from 25:56 to 26:20 JST(+0900)
Composed 9 shots with 3 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
withIDAS LPS-P1 Light-pollution suppression filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight




The comet 38P Stephan-Oterma in that day was positioned at about a deree northeast of the Eskimo Nebula (NGC2392). The comet has almost same the features with that in last week; you can detect a 8th to 9th magnitude coma and a tail in west direction clearly due to the good transparency conditions.
  View angle: 0.70×0.70°





Stephan-Oterma on Dec 8, 2018

Stephan-Oterma on Nov 2, 2018


Copyright(c) 2018 by Naoyuki Kurita, All rights reserved.
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