Deep Sky Object in Winter
Sh2-263 & Sh2-265 (Diffused Nebulae in Orion)

Date & Time: Feb 18 2011, from 20:50 to 22:04 JST(+0900)
Mosaic of 2 flames of 10min.×4shots
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with Astronomik CLS-CCD filter
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
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)
CCD Sensitivity...ISO1600

Sh2-263 / Diffused & Reflection Nebula, type 2 R
R.A.05h 21m 30.0s (2000.0)
Dec.+08° 25' 00" (2000.0)
Apparent Sizeabout 15'
Real Size10 light yrs.
Magnitude -
Distance1300 light yrs.
Other IDsCED44, vdB38
LBN866, 867
Sh2-265 / Diffused Nebula, type E
R.A.05h 18m 26.0s (2000.0)
Dec.+07° 28' 00" (2000.0)
Apparent Size53.0×50.5'
Real Size26 light yrs.
Magnitude -
Distance1300 light yrs.
Other IDs -
Sh2-263 at upper left hand side is a small sized diffused and reflection nebula at 2.2 degrees NNW of gamma Ori (Bellatrix). The nebula has a size of about 15 arc minutes and is emitting by a central star with 5.7th magnitude.
Sh2-265, you can find at lower right hand side, is a very dimmed reddish H-alpha diffused nebula spread around 2 degrees northwest of Bellatrix. The nebula is one of gaseous matters forming the Orion Association, has a span of about 50 arc minutes. We can hardly recognize its detailed structures, contains complicated dark nebulae, looks like a ring structure.


Around Sh2-273

Copyright(c) 2012 by Naoyuki Kurita, All rights reserved.
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