Deep Sky Object in Winter
NGC2281 (Open Cluster in Auriga)
|Date & Time: ||Dec 27 2014, from 27:12 to 27:43 JST(+0900)
|Composed 6 shots with 6 minutes exposed|
|Optical: ||TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
|with IDAS LPS-P2-FF Light-pollution suppression filter|
|Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
|Digital Camera: ||Canon EOS 550D (Remodeled)
|Location: ||Ooizumi, Hokuto city, Yamanashi pref.
|Camera Settings: ||Recording Format...12bit CCD-RAW, converted to 16bit TIFF(5184×3456)|
NGC2281 is a normal open cluster in east of the pentagon of Auriga.
Although there are no good guide stars nearby, you will be able to catch the cluster with binoculars by estimating midway of beta Aurigae and Castor.
The cluster has a size of about 15 arc minutes and about 30 member stars or so.
And the distance is estimated about 5400 light years.
|NGC2281 / Open Cluster, type e, I 3 m|
|R.A.||06h 49m 17.9s (2000.0)|
|Dec.||+41° 04' 00" (2000.0)|
|Real Size||23 light yrs.|
|# of Stars||30|
|Distance||5400 light yrs.|