NGC4005 Group (Galaxy Group in Leo)
|Deep Sky Object in Spring
|Date & Time: ||Feb 11 2007, from 27:01 to 27:28 JST(+0900)
|Composed 4 shots with 8 minutes exposed|
|Optical: ||Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
|Auto-guided with Meade LX200 Equatorial & Pictor 201XT
|Digital Camera: ||Fujifilm FinePix S2 Pro
|Location: ||Ooizumi, Hokuto city, Yamanashi pref.
|Camera Settings: ||Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)|
|CCD Sensitivity...ISO1600, White Balance...Auto|
This image has been captured a small scaled galactic group just on the border between Leo and Coma Berenices, the border line passes the center of this picture in north south direction.
The group is one of members of a large scaled galactic cluster of "The Come Supercluster" with famous Coma Cluster (Abell 1656).
NGC4005 group has about ten galaxies with brightness of 13th or 14th magnitude floating in span of about 30 arc minutes.
|R.A.||11h 58m 10.1s (2000.0)|
|Dec.||+25°07' 19" (2000.0)|
|Apparent Size||about 30'|
|Distance||210 million light yrs.|
|Supergalactic cluster||Coma Supergalactic cluster|
Numbers with 4 digits represent NGC #