Back to photostream

2-22 RunMan Crop Comb-1xHa-3xOIII 207Min STCrHDRJ1

We captured the Running Man nebula (Sh2-279) together with M42, the Great Orion Nebula on February 22, 2021. Sh2-279 is an HII region and bright nebulae that includes a reflection nebulae 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. The reflection nebula embedded in Sh2-279 is popularly known as the Running Man Nebula. This nebula (Sh2-279) is ~1,500 light-years away and ~7.5 light years across.

 

This nebula comprises three NGC nebulae, NGC 1973, NGC 1975, and NGC 1977 that are divided by darker nebulous regions. It also includes the open cluster NGC 1981. The whole reflection nebula region is likely excited by the hot young star (YSO) called 42 Orionis or HD 37018 in NGC 1977, which appears as a 4.6 magnitude star some 3.8′ from the center of Sh2-279. Other massive stars include the yellow giant 45 Orionis and the variable KX Orionis.

 

We captured our image using a Stellarvue Access 80mm refractor fitted with a Stellarvue Field flattener and a dual NB (Narrow Band) filter for capturing deep red H-Alpha and blue/green OIII emissions. Normally, this primarily reflection nebula is captured using broadband (RGB) filters, but here wanted to bring out Narrow Band nebulae hidden within.

We captured the Running Man nebula as a part of our Great Orion nebula image and then cropped the image to get the above image.

 

The imaging camera was an H-Alpha modded Nikon D5300 at ISO 1600,. Exposure details - f7 and a total exposure time of 207 min (103x 2.01 min). We separated the mono HA and mono OIII files in APP (Astro Pixel Processor), reduced gradients in each mono file and then recombined them in APP and post-processed in StarTools to get this image. Enjoy!

345 views
0 faves
0 comments
Uploaded on February 26, 2021