Deep Sky Object in Autumn
NGC7793 (Galaxy in Sculptor)



Date & Time: Nov 23 2008, from 19:25 to 19:46 JST(+0900)
Composed 5 shots with 5 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
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



NGC7793 / Galaxy, type SA(s)d III-IV
R.A.23h 57m 49.4s (2000.0)
Dec.-32° 35' 30" (2000.0)
Apparent Size10.0×16.5'
Radial Velocity+216km/s
Magnitude9.6
Distance11 million light yrs.
Group of GalaxiesSculptor Group
Other IDsESO 349-12, MCG -6-1-9
IRAS 23552-3252, PGC 73049
NGC7793 is a comparatively larger spiral galaxy positioned in center of the constellation of Sculptor. The galaxy has a structure of arms loosely wound. We can detect only lump of light like an elliptical galaxy, hardly appreciate detailed structures through teleccopes. NGC7793 has a long axis of about 10 arc minutes, a member galaxy of Sculptor group about 11 millions light-years away.




NGC7742

NGC7814


Copyright(c) 2009 by Naoyuki Kurita, All rights reserved.
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