Deep Sky Object in Spring
NGC3239 (Galaxy in Leo)

Date & Time: Mar 8 2008, from 23:16 to 24:09 JST(+0900)
Composed 6 shots with 10 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1760mm, F6.9)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D80 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3872×2592)
CCD Sensitivity...ISO1600

NGC3239 / Galaxy, type IB(s)m pec
R.A.10h 25m 05.6s (2000.0)
Dec.+17° 09' 02" (2000.0)
Apparent Size5.0×3.6'
Radial Velocity+830km/s
Distance40 millions light yrs.
Group of GalaxiesLeo I Group
Other IDsUGC 5637, CGCG 94-38
Arp 263, MCG +3-27-25
IRAS 10224+1724, PGC 30560
A medium sized galaxy about 3 degrees south from gamma Leo has a number of NGC3239. The galaxy has been classified as an irregular, has a long axis and brightness of about 5 arc minutes and 11th magnitude respectively. And the galaxy has a unique shape with a horn-like structure in south. NGC3239 has belonged to a galaxy group with M95 or M96 lying about 30 or 40 millions light years away.

NGC3226 & NGC3227


Copyright(c) 2008 by Naoyuki Kurita, All rights reserved.
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