Deep Sky Object in Spring
NGC3938 (Galaxy in Ursa Major)


Date & Time: Mar 9 2013, from 21:50 to 22:41 JST(+0900)
Composed 6 shots with 10 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: Canon EOS 600D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO1600




NGC3938 / Galaxy, type SA(s)c I
R.A.11h 52m 49.4s (2000.0)
Dec.+44°07' 13" (2000.0)
Apparent Size5.4×4.5'
Radial Velocity+771km/s
Magnitude10.9
Distance55 million light yrs.
Group of GalaxiesSouthern UMa Group
Other IDsUGC 6856, CGCG 214-34
CGCG 215-2, MCG +7-25-1
IRAS 11502+4423, PGC 37229
This image shows you a well-proportioned face on galaxy lying at 4 degrees southeast of chi UMa. The galaxy has an apparent diameter and brightness of a bit larger than 5 arc minutes and about 11th magnitude, respectively. You can detect that the clear outer arms of galaxy include some H-alpha regions. NGC3938 belongs to the southern UMa galaxy group, about 50 millions light years away.




NGC3726

NGC3945


Copyright(c) 2013 by Naoyuki Kurita, All rights reserved.
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