Deep Sky Object in Spring
Leo II (Galaxy in Leo)

Date & Time: Apr 14 2007, from 22:27 to 23:00 JST(+0900)
Composed 4 shots with 10 minutes exposed
Optical: TAKAHASHI 12.5cm(4.9") fluolite refractor (f=1000mm, F8.0)
Auto-guided with VIXEN ATLUX Equatorial & Meade Pictor 201XT
Digital Camera: Fujifilm FinePix S2Pro
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)
CCD Sensitivity...ISO1600, White Balance...Auto

Leo II / Galaxy, type dE
R.A.11h 13m 29.3s (2000.0)
Dec.+22° 09' 12" (2000.0)
Apparent Size10.1×9.0'
Radial Velocity+90km/s
Distance670 thousand light yrs.
Group of GalaxiesLocal Group
Other IDsMCG +4-27-5, DDO 93
Anon 1110+22, PGC 34176
An indistinct dwarf galaxy in 30 arc minutes north of delta Leo, forming the back of Lion, has a name of Leo II. The galaxy belongs to the Local Group of Galaxy, about 670 thousand light years away. Leo II has a diameter of about 10 arc minutes, fairly larger one but very dimmed galaxy, so discovered in 1950 with another dwarf galaxy of Leo I just north of Regulus.

Leo I

Quasar 3C273

Copyright(c) 2007 by Naoyuki Kurita, All rights reserved.
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