Deep Sky Object in Spring
NGC2903 (Galaxy in Leo)
|Date & Time: ||Mar 16 2018, from 25:04 to 25:44 JST(+0900)
|Composed 9 shots with 5 minutes exposed|
|Optical: ||Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
|with BaaderPlanetarium Moon&Skyglow filter|
|Auto-guided with Meade LX200 Equatorial & Pictor 201XT
|Digital Camera: ||Nikon D810A
|Location: ||Ooizumi, Hokuto city, Yamanashi pref.
|Camera Settings: ||Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)|
|Sensitivity...ISO4000, White Balance...Daylight|
NGC2903 is a typical spiral galaxy only 1.5-degree south of lambda Leonis, a tip star of the Lion's sickle,
so it's easy to find that by using the star as a pilot.
This galaxy has visual magnitude 9.7, which is brighter than any other Messier's objects in the constellation.
|NGC2903 / Galaxy, type SAB(rs)bc I-II|
|R.A.||09h 32m 9.7s (2000.0)|
|Dec.||+21° 30' 02" (2000.0)|
|Distance||20.5 million light yrs.|
|Group of Galaxies|| -|
|Other IDs||UGC5079, MCG4-23-9, |
You can appreciate an elongated multiple-armed spiral with small telescopes.
NGC2903 is about 20 million light years away.