Deep Sky Object in Spring
NGC5474 (Galaxy in Ursa Major)

Date & Time: Jan 29 2011, from 25:19 to 26:09 JST(+0900)
Composed 6shots with 10 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain (f=2500mm, F10.0)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D700
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(2784×1848)
Device Size...DX Format (24×16mm)
CCD Sensitivity...ISO3200

NGC5474 / Galaxy, type SA(s)cd pec IV-V
R.A.14h 05m 2.1s (2000.0)
Dec.+53° 39' 47" (2000.0)
Apparent Size4.8×4.3'
Radial Velocity+405km/s
Distance20 million light yrs.
Group of GalaxiesM101 Group
Other IDsUGC9013, MCG9-23-32
CGCG272-23, PGC50216
A dimmed spiral at about 44 arc minutes south from M101 in Ursa Major is NGC5474. You can catch the galaxy in same flame with M101 using of medium ranged focal length. The galaxy has a round shape with a diameter of 5 arc minutes, and a indistinct central nucleus a bit northern part. NGC5474 is a member of a small scaled galactic group of M101 group.



Copyright(c) 2011 by Naoyuki Kurita, All rights reserved.
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