Molecular cloud in south of Procyon

Deep Sky Object in Winter

Click on image to enlarge

Date & Time:	Dec 27 2025, from 26:57 to 29:03 JST(+0900)
	Composed 22 shots with 6 minutes exposed
Optical:	AF zoom-Nikkor 80-200mmF2.8ED (f=105mm, stop: F4.0)
	with IDAS LPS-D1 light-pollution suppression filter
	Auto-guided with TAKAHASHI JP Equatorial
CMOS Camera:	ZWO ASI2600MC Pro (Cooled temp.: -25°C)
Location:	Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings:	Recording format...16bit FITS, converted to 16bit TIFF(6248×4176)
	Device Size...23.5×15.7mm, Gain...100

The bright star seen at the top of the frame is Procyon in Canis Minor, and this image covers an area of 12.7×8.6°. This region lies east of the winter Milky Way, and extremely faint molecular clouds without catalog IDs are present here. The molecular cloud stretching across the center of the image extends about 8° from east to west. The small red nebula visible at the left edge of the frame is the planetary nebula Abell 24 in Canis Minor.

Molecular cloud around λGem

Molecular cloud around central Camelopardalis

			Copyright(c) 2026 by Naoyuki Kurita, All rights reserved.
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