Comet Wirtanen on Feb 1, 2019


Date & Time: Feb 1 2019, from 21:52 to 22:29 JST(+0900)
Composed 10 shots with 4 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: Canon EOS 6D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(3056×3056)
Device Size...20×20mm, Sensitivity...ISO4000


This image shows you the comet Wirtanen withdrawing in western Ursa Major. At the time the comet had turned the moving direction to south after going northward in the wintry constellations. The comet had a coma brightness of 8th magnitude and a diameter of about 15 arc minutes.
  View angle: 0.70×0.70°


Wirtanen on Feb 23, 2019
Wirtanen on Jan 27, 2019

Copyright(c) 2019 by Naoyuki Kurita, All rights reserved.
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