Deep Sky Object in Winter
The Great Orion Nebula to Horse Head Nebula

Date & Time: Jan 29 2011, from 21:29 to 21:49 JST(+0900)
Composed 3shots with 6 minutes exposed
Optical: AF zoom-Nikkor 80-200mmF2.8 (f=200mm, F2.8)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with TAKAHASHI JP 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)
CCD Sensitivity...ISO800

M42 (NGC1976) / Diffused Nebula, type 1 E
R.A.05h 35m 24.0s (2000.0)
Dec.-05° 27' 00" (2000.0)
Apparent Size66×60'
Real Size25×23 light yrs.
Distance1300 light yrs.
Other IDsSh2-281, LBN974
IC434 / Diffused Nebula, type 1 E
R.A.05h 41m 0.0s (2000.0)
Dec.-02° 24' 00" (2000.0)
Apparent Size60×10'
Real Size22.7×3.8 light yrs.
Magnitude -
Distance1300 light yrs.
Other IDsLBN954
This image presents you the most splendid sky field in winter. The Great Orion Nebula (M42) can be seen at the lower right-hand side. And the vast and very dimmed hydrogen gaseous region is spread around the field of central Orion from the Great Orion Nebula to the Horse Head Nebula. The field is central region of so-called "The Orion Association", and contains many inter-stellar matter and young stars. I've emphasized the red color in this picture.

To monochrome emphasized image

M42(Great Orion Nebula)


Copyright(c) 2011 by Naoyuki Kurita, All rights reserved.
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