Deep Sky Object in Spring
NGC2685 (Glaxy in Ursa Major)
|Date & Time: ||Jan 23 2004, from 26:36 to 26:55 JST(+0900)
|Composed 3 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 vil., Yamanashi pref.
|Camera Settings: ||Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)|
|CCD Sensitivity...ISO1600, White Balance...Auto|
In western region of Ursa Major, a small galaxy lying in just the mouth of Big Bear is NGC2685.
The galaxy has a long axis of 5 arc minutes and a visual brightness of 11th magnitude, showing us as an edge-on galaxy facing its side.
Large telescopes have captured several gaseous rings surrounding its bulge, given nicknames of "Helix Galaxy" or "Polar Ring Galaxy".
|NGC2685 / Galaxy, type SB0+ pec|
|R.A.||08h 55m 35.1s (2000.0)|
|Dec.||+58° 44' 02" (2000.0)|
|Group of Galaxies||N/A|
|Other IDs||UGC4666, MCG10-13-39|