Comet 2017T2 PanSTARRS on Jan 31, 2020


Date & Time: Jan 31 2020, from 23:03 to 23:40 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 & Lacerta M-GEN
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


Click on image to enlarge

The Double Cluster & Comet C/2017T2 PanSTARRS

Date & Time: Jan 31 2020, from 23:41 to 24:04 JST(+0900)
Composed 12 shots with 4 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-D1 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
Digital Camera: Canon EOS 6D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5472×3648)
Device Size...36×24mm, Sensitivity...ISO1600


The comet C/2017T2 PanSTARRS in that day had moved to northern edge of Perseus, just passing only 50 arc minutes north of the Double Cluster. The brightness of coma could be estimated as about 9th magnitude; I could detect it easily with a portable binocular. The comet will brighten up slightly from now on, we can observe the comet with 8th magnitude in maximum in spring of 2020.
  1st image: View angle: 0.70×0.70°
  2nd image: View angle: 3.80×2.53°


2017T2 PanSTARRS on Feb 23, 2020
2017T2 PanSTARRS on Jan 2, 2020

Copyright(c) 2020 by Naoyuki Kurita, All rights reserved.
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