Comet Africano on Oct 4, 2019


Date & Time: Oct 4 2019, from 22:58 to 23:23 JST(+0900)
Composed 7 shots with 4 minutes exposed
Optical: VIXEN 20cm(7.9") VISAC with conversion lens (f=1278mm, F6.4)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with TAKAHASHI EM-200 Equatorial & Lacerta M-GEN
Digital Camera: Canon EOS 6D (Remodeled)
Location: Hiraiso, Hitachi-naka city, Ibaraki pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5472×3648)
Device Size...36×24mm, Sensitivity...ISO2500


The comet C/2018W2 Africano in that day has reached its maximum brightness, positioned at about 2.3 degrees west of phi Aqr with an 8th magnitude coma. You can detect a dimmed greenish ionized composition around the coma with an apparent diameter of about 8 arc minutes. Although the comet has a dust tail in north direction, a bad sky condition made difficult to detect clearly.
  The images is cropped with equivalent focal length of 1600mm: View angle: 1.28×0.85°


Africano on Oct 26, 2019
Africano on Sep 27, 2019

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