Comet Swift-Gehrels on Nov 2, 2018

Date & Time: Nov 2 2018, from 18:06 to 18:32 JST(+0900)
Composed 8 shots with 3 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow 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 64P Swift-Gehrels in that day was positioned at 4.5 degrees south from the Andromeda Galaxy (M31) in higher evening sky. The bluish-green coma has a brightness of 10th magnitude distributing in southern direction. The comet will travel in the winter's constellations in Dec 2018 to Jan 2019 under good conditions.
  View angle: 0.70×0.70°

Swift-Gehrels on Nov 10, 2018

Giacobini-Zinner on Aug 16 & 17, 2018

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