Deep Sky Object in Summer
NGC6822 (Barnard's Galaxy in Sagittarius)

Date & Time: Oct 6 2007, from 18:39 to 19:02 JST(+0900)
Composed 4 shots with 7 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Eqatorial & 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

NGC6822 / Galaxy, type IB(s)m
R.A.19h 44m 56.5s (2000.0)
Dec.14° 48' 11" (2000.0)
Apparent Size15.6×13.5'
Radial Velocity-26km/s
Distance1.6 million light yrs.
Group of GalaxiesLocal Group
Other IDsIC 4895, MCG -2-50-6
DDO 209, IRAS 19421-1455
PGC 63616
NGC6822 is a dimmed irregular galaxy at northeast edge of Sagittarius, called "The Barnard's Galaxy" from a name of discoverer. The galaxy has a long axis of about 15 arc minutes, one of dwarfs belonging to the Local Group. This picture cannot show us detailed structures. We can detect indistinct lump of light under conditioned skies. The galaxy is about 1.6 millions light-years away, closer than the Andromeda galaxy M31, a major member of the Local Group.



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