Deep Sky Object in Winter
M41 (Open Cluster in Canis Major)


Date & Time: Mar 20 2004, from 20:51 to 21:07 JST(+0900)
Composed 4 shots with 4 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial
Digital Camera: Fujifilm FinePix S2 Pro
Location: Ooizumi vil., Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)
CCD Sensitivity...ISO1600, White Balance...Fluorescent




M41 (NGC2287) / Open Cluster, type e, I 3 r
R.A.06h 46m 0.0s (2000.0)
Dec.-20° 44' 00" (2000.0)
Apparent Size30'
Real Size22 light yrs.
# of Stars80
Magnitude5.0
Distance2470 light yrs.
M41 (NGC2287) is an open cluster easily located 4 degrees south of Sirius, one of the brightest stars in heavens. You'll enjoy the impressive contrast of Sirius's dazzle light and the modest group of faint stars, M41.
The cluster is positioned at about the west edge of winter's Milky Way, so you'll be fascinated with uncountable stars surrounding this object.




M36,M37,M38

M45(The Pleiades)


Copyright(c) 2004 by Naoyuki Kurita, All rights reserved.
To top page To Deepsky in Winter index Canis Major