Deep Sky Object in Spring
Around NGC2805 (Galaxy in Ursa Major)

Date & Time: Jan 10 2016, from 22:12 to 23:24 JST(+0900)
Composed 8 shots with 10 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium UV/IR cut filter
Auto-guided with Meade LX200 Eqatorial & Pictor 201XT
Digital Camera: Canon EOS 600D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
CCD Sensitivity...ISO1600

NGC2805 / Galaxy, type SAB(rs)d
R.A.09h 20m 19.8s (2000.0)
Dec.+64°06' 07" (2000.0)
Apparent Size6.3×4.7'
Radial Velocity+1699km/s
Distance85 million light yrs.
Group of GalaxiesNGC2805 Group
Other IDsUGC 4936, CGCG 312-2
MCG +11-12-3, PGC 26410
NGC2805 is a medium-scaled spiral galaxy positioned at the head of Ursa Major, about 1.5 degrees northwest of 23 UMa. The galaxy has a brightness of about 11th magnitude and an apparent diameter of a bit larger than 6 arc minutes. This image shows the indistinct arms are wound loosely. And two edge-on galaxies can be detected at about 10 arc minutes northeast of the galaxy, a larger one is NGC2820 and another one is NGC2814. These galaxies are forming a small galaxy group at about 85 millions light years away.



Copyright(c) 2016 by Naoyuki Kurita, All rights reserved.
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