Deep Sky Object in Spring
NGC4236(Galaxy in Draco)

Date & Time: Jan 10 2016, from 24:46 to 26:42 JST(+0900)
MOsaic of 2 flames of 10min. × 6 shots
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

NGC4236 / Galaxy, type SB(s)dm IV-V
R.A.12h 16m 43.4s (2000.0)
Dec.+69° 27' 56" (2000.0)
Apparent Size21.7×7.2'
Radial Velocity87km/s
Distance11 million light yrs.
Group of GalaxiesM81 Group
Other IDsUGC7306, MCG12-12-4
CGCG335-8, PGC39346
Around the western edge of Draco, NGC4236 is a very dimmed outer galaxy lying at the tip of dragon's tail. The galaxy has a long axis over 20 arc minutes, but you might be needed extraordinary clear night sky to recognize the figure by using of large sized telescopes. A low magnification power is suitable to observe the unclear galaxy.



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