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


Date & Time: May 28 2022, from 20:47 to 21:41 JST(+0900)
Composed 10 shots with 6 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 & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


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
Magnitude11.0
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
Magnitude11.8
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.



NGC3596
NGC3621

Copyright(c) 2022 by Naoyuki Kurita, All rights reserved.
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