Deep Sky Object in Winter
M78 & Barnard's Loop (Diffused Nebula in Orion)


Date & Time: Dec 20 2014, from 24:11 to 24:47 JST(+0900)
Composed 8 shots with 5 minutes exposed
Optical: BORG 60ED with a conversion lens (f=245mm, F4.1)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with VIXEN ATLUX Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

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




M78 (NGC2068) / Reflection Nebula, type 1 R
R.A.05h 46m 42.0s (2000.0)
Dec.+00° 03' 00" (2000.0)
Apparent Size8'
Real Size3.7 light yrs.
Magnitude8.3
Distance1600 light yrs.
Other IDsLBN939
M78 (NGC2068) is a faint reflection nebula about 2.5 degree NE of Altanik (zeta Ori) with a size of 8 arc minutes. The nebula is fairly striking because vast dark nebula conceals stars around M78.
The Barnard's loop is a faint and gigantic ring nebula with a diameter of over 18 degrees, which covers whole of eastern Orion. Its shape can be detected only by photo films, it's considered that the Barnard's loop is a remnant of supernova exploded about one million years ago. This picture shows you a north end of the loop; it's the deepest region in this inter-stellar gas.


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Great Orion Nebula to Horsehead Nebula

NGC1360


Copyright(c) 2015 by Naoyuki Kurita, All rights reserved.
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