Comet Iwamoto on Mar 1, 2019


Date & Time: Mar 1 2019, from 23:51 to 24:08 JST(+0900)
Composed 11 shots with 1.5 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
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...ISO6400



IC405, IC410 & Comet C/2018Y1 Iwamoto

Date & Time: Mar 1 2019, from 23:41 to 24:04 JST(+0900)
Composed 12 shots with 2 minutes exposed
Optical: TAMRON SP 300mmF2.8, stop: F3.5
with IDAS LPS-P2 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912)
Device Size...FX format (36×24mm)
Sensitivity...ISO1600, White Balance...Daylight


The comet C/2018Y1 Iwamoto in that day was found in the central region of Auriga, positioned at 1.5 degree northeast of a reddish nebula of IC405. The second image also shows you another nebula of IC410 in eastern side and open clusters of M36 and M38. The comet has an apparent diameter of 5 arc minutes and a brightness of 8th magnitude showing a tail-less dimmed figure.
  1st image: View angle: 0.70×0.70°
  2nd image: View angle: 6.84×4.58°


Iwamoto on Mar 9, 2019
Iwamoto on Feb 23, 2019

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