Comet Borrelly on Feb 5, 2022



Date & Time: Feb 5 2022, from 18:42 to 19:03 JST(+0900)
Composed 5 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



The comet 19P Borrelly in that day has positioned at about 8 degrees northwest of αPsc; I could detect a 9th magnitude greenish coma and a dimmed tail in east direction in spite of the 4th-aged moonlight. Currently the comet has almost reached its maximum brightness, we can chase it under good conditions for a while.
  View angle: 0.70×0.70°




Borrelly on Feb 26, 2022

Borrelly on Jan 3, 2022


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