Deep Sky Object in Spring
NGC4449 (Galaxy in Canes Venatici)

Date & Time: Jan 9 2016, from 25:25 to 26:29 JST(+0900)
Composed 7 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

NGC4449 / Galaxy, type Ibm IV
R.A.12h 28m 11.3s (2000.0)
Dec.+44° 05' 40" (2000.0)
Apparent Size6.2×4.4'
Radial Velocity+422km/s
Distance12 million light yrs.
Group of GalaxiesCanes I Group
Other IDsUGC7592, MCG7-26-9
CGCG216-5, PGC40973
At about 8 degrees northwest from Cor Caroli, alpha Canum Venaticorum, an irregular galaxy of NGC4449 is lying around midway between two Messier's galaxies of M94 and M106. The galaxy is fairly easy to see, has a brightness of 10th magnitude and about 6 arc minutes in long axis. You can detect several gaseous regions in edge of the galaxy. The distance from us is estimated about 12 million light years or so.



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