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Contains:  NGC 1977, NGC 1975, NGC 1973, The star 45Ori, The star 42Ori
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NGC 1977 Running Man Nebula, 





    
        

            Jerry Macon
NGC 1977 Running Man Nebula

NGC 1977 Running Man Nebula

Technical card

Resolution: 3433x3721

Dates:Jan. 26, 2019Jan. 27, 2019

Frames:
Astrodon Gen 2 L 36mm: 79x200" (gain: 99.00) -15C bin 1x1
Astrodon Gen 2 RGB 36mm: 106x100" (gain: 99.00) -20C bin 1x1

Integration: 7.3 hours

Avg. Moon age: 21.23 days

Avg. Moon phase: 59.67%

Bortle Dark-Sky Scale: 4.00

Temperature: -10.00

Astrometry.net job: 2598894

RA center: 83.852 degrees

DEC center: -4.825 degrees

Pixel scale: 0.701 arcsec/pixel

Orientation: 87.717 degrees

Field radius: 0.493 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.

The reflection nebula NGC 1977 is popularly known as the Running Man Nebula. It is part of Sh2-279, an HII region and bright nebulae that includes a reflection nebula located in the constellation Orion. It is the northernmost part of the asterism known as Orion's Sword, lying 0.6° north of the Orion Nebula.

This whole region in Orion's Sword was also later catalogued as Orion 1c. In 1966, van den Bergh distinguished the weak clustering of reflection nebulae that includes Sh2-279 as Ori R2. Every reflection nebula appearing within the Sharpless catalogue were first identified on blue plates of the Palomar Sky Survey, and then double checked against the red plates to eliminate possible plate faults. Van den Berg found that there was a strong concentration of new T Tauri stars around the Orion Nebula, tapering off into a tail approaching Sh2-279.

The Running Man Nebula is a popular target for amateur astrophotographers, as it lies close to the Orion Nebula and has many nearby guide stars. The outline of the running man shows up primarily in photographs; it is difficult to perceive visually through telescopes, though the reflection nebula itself is visible in small to medium apertures in dark skies.
(Wikipedia)

Comments

Author

jmacon
Jerry Macon
License: Attribution Creative Commons
3445
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NGC 1977 Running Man Nebula, 





    
        

            Jerry Macon