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Contains:  M 43, NGC 1982, M 42, Great Nebula in Orion, NGC 1976, The star θ2Ori, The star θ1Ori
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M42 Great Orion Nebula - RGB, 





    
        

            Jerry Macon
M42 Great Orion Nebula - RGB

M42 Great Orion Nebula - RGB

Technical card

Resolution: 4656x3520

Dates:Jan. 29, 2019

Frames:
Astrodon Gen 2 RGB 36mm: 92x30" (gain: 99.00) -15C bin 1x1
Astrodon Gen 2 RGB 36mm: 144x100" (gain: 99.00) -20C bin 1x1

Integration: 4.8 hours

Avg. Moon age: 23.71 days

Avg. Moon phase: 33.65%

Bortle Dark-Sky Scale: 4.00

Temperature: -10.00

Astrometry.net job: 2578125

RA center: 83.769 degrees

DEC center: -5.451 degrees

Pixel scale: 0.701 arcsec/pixel

Orientation: 177.727 degrees

Field radius: 0.568 degrees

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Images from the following two scopes (piggybacked) contributed to this image:
AG12+ASI1600MM at .70 asec/pix
TV127is+ASI183MM at .75 asec/pix.
They were all registered to the best Ha image taken on the AG12.
Using L (synthetic from RGB) from the TV NP127is refractor effectively eliminates the spikes from the AG12.

As I'm sure most of us have, I have imaged Orion many times over the past few years. Always a fabulous target. So bright, it needs short exposures to not blow out the image and destroy the detail in the bright central core. This is my first attempt using my latest equipment. Hope you enjoy.

The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated in the Milky Way, being south of Orion's Belt in the constellation of Orion. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. M42 is located at a distance of 1,344 ± 20 light years and is the closest region of massive star formation to Earth. The M42 nebula is estimated to be 24 light years across. It has a mass of about 2000 times the mass of the Sun. Older texts frequently refer to the Orion Nebula as the Great Nebula in Orion or the Great Orion Nebula.

The Orion Nebula is one of the most scrutinized and photographed objects in the night sky, and is among the most intensely studied celestial features. The nebula has revealed much about the process of how stars and planetary systems are formed from collapsing clouds of gas and dust. Astronomers have directly observed protoplanetary disks, brown dwarfs, intense and turbulent motions of the gas, and the photo-ionizing effects of massive nearby stars in the nebula.
(From Wikipedia, the free encyclopedia)

Comments

Author

jmacon
Jerry Macon
License: Attribution Creative Commons
3211
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M42 Great Orion Nebula - RGB, 





    
        

            Jerry Macon