Deep Sky Object in Spring
NGC3607, NGC3608 (Galaxies in Leo)

Date & Time: Feb 19 2010, from 24:20 to 25:24 JST(+0900)
Composed 6 shots with 12 minutes exposed
Optical: Meade 25cm(10") Schmidt Cassegrain with a conversion lens (f=1760mm, F7.1)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D50 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3008×2000)
CCD Sensitivity...ISO1600

NGC3607 / Galaxy, type SA(s)0:
R.A.11h 16m 54.1s (2000.0)
Dec.+18° 03' 12" (2000.0)
Apparent Size4.9×2.4'
Radial Velocity+1246km/s
Distance70 million light yrs.
Group of GalaxiesLeo II - NGC3607 Group
Other IDsUGC6297, MCG3-29-20
CGCG96-21, PGC34426
NGC3608 / Galaxy, type E2
R.A.11h 16m 58.7s (2000.0)
Dec.+18° 08' 57" (2000.0)
Apparent Size3.2×2.6'
Radial Velocity+1445km/s
Distance70 million light yrs.
Group of GalaxiesLeo II - NGC3607 Group
Other IDsUGC6299, MCG3-29-22
CGCG96-22, PGC34433
This star field shows you a small-scaled galaxy group positioned about 2.7 degrees north from theta Leo, forming a root of Leo's hind leg. A lower galaxy is NGC3607 and upper one is NGC3608, moreover a tiny one just south of NGC3607 has an ID of NGC3605. The largest one of NGC3607 has a major axis of 5 arc minutes. It has some features as an elliptic galaxy, no major structure contained in dimmed entirety.
Another small lenticular in right hand side with a size of about 3 arc minutes has a number of NGC3599.



Copyright(c) 2010 by Naoyuki Kurita, All rights reserved.
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