Orion (M42) and Running Man Nebula (Sh2-279) 2-Panel Mosaic in Narrowband HSO

CRTAstro

Well-Known Member
Presenting the mighty Orion Nebula (M42) and the Running Man Nebula (Sh2-279) in a 2-panel mosaic shot in narrowband with an HSO false-color palette. I was wanting to showcase the interstellar gas and dust clouds surrounding M42 and Sh2-279 without blowing out the core (trapezium) of M42. Pretty pleased with the result. Being shot in narrowband I had a fairly wide artistic license to choose my own palette and I hope it appeals. M42 is only 1,500 light-years away and about 30 to 40 light-years in diameter and is clearly visible in the constellation Orion on a clear night. The nebula is an enormous cloud of dust and gas where vast numbers of new stars are being forged. Sh2-279 is an HII region and bright nebula with an embedded reflection nebula that resembles a running man hence the name.
174 x 180s HSO subs shot @-10C spread across 4 nights for a total integration time of about 9hrs

For a higher resolution visit: https://www.astrobin.com/kb303e/

Equipment used:
Skywatcher 10" f4 Newtonian 250P
Skywatcher F4 Aplanatic Coma Corrector
Skywatcher NEQ6 Pro Hypertuned by Astronomy Academy Perth
ZWO ASI2600MM Pro Cooled Camera
Primaluce Sesto Senso2 Electronic Focuser
William Optics Uniguide 50/200mm guidescope
ZWO ASI290MM Mini Guide Camera
ZWO Electronic Filter Wheel
Antlia Pro 36mm unmounted filters
Rollon rolloff modified shed observatory
Bortle 5
Data acquisition software: NINA Astronomy Software
Processing software: PixInsight and Photoshop CC

1667818606049.png
 
Presenting the mighty Orion Nebula (M42) and the Running Man Nebula (Sh2-279) in a 2-panel mosaic shot in narrowband with an HSO false-color palette. I was wanting to showcase the interstellar gas and dust clouds surrounding M42 and Sh2-279 without blowing out the core (trapezium) of M42. Pretty pleased with the result. Being shot in narrowband I had a fairly wide artistic license to choose my own palette and I hope it appeals. M42 is only 1,500 light-years away and about 30 to 40 light-years in diameter and is clearly visible in the constellation Orion on a clear night. The nebula is an enormous cloud of dust and gas where vast numbers of new stars are being forged. Sh2-279 is an HII region and bright nebula with an embedded reflection nebula that resembles a running man hence the name.
174 x 180s HSO subs shot @-10C spread across 4 nights for a total integration time of about 9hrs

For a higher resolution visit: https://www.astrobin.com/kb303e/

Equipment used:
Skywatcher 10" f4 Newtonian 250P
Skywatcher F4 Aplanatic Coma Corrector
Skywatcher NEQ6 Pro Hypertuned by Astronomy Academy Perth
ZWO ASI2600MM Pro Cooled Camera
Primaluce Sesto Senso2 Electronic Focuser
William Optics Uniguide 50/200mm guidescope
ZWO ASI290MM Mini Guide Camera
ZWO Electronic Filter Wheel
Antlia Pro 36mm unmounted filters
Rollon rolloff modified shed observatory
Bortle 5
Data acquisition software: NINA Astronomy Software
Processing software: PixInsight and Photoshop CC

View attachment 53921
Fabulous.

Oliver
 

JimFox

Moderator
Staff member
Love it Carlos! I think this shows off so many details. And with Orion in particular, I have seen it processed in every color in the rainbow, so I am thinking there is no wrong way to process it. :)

A question.... the common color palettes are SHO and HSO and HOO? Do you know what the abreviations stand for? I keep forgetting. :)
 

CRTAstro

Well-Known Member
Love it Carlos! I think this shows off so many details. And with Orion in particular, I have seen it processed in every color in the rainbow, so I am thinking there is no wrong way to process it. :)

A question.... the common color palettes are SHO and HSO and HOO? Do you know what the abreviations stand for? I keep forgetting. :)
Thanks Jim ! :) I was in 2 minds before finishing it off as I didn't want it to look too garish haha but thought what the heck it's narrowband anyway !

The 3 letters don't really stand for anything other than how the Sulphur, Oxygen and Hydrogen filter data is mapped to RGB, SHO being the most common and called the Hubble palette.
 

JimFox

Moderator
Staff member
Thanks Jim ! :) I was in 2 minds before finishing it off as I didn't want it to look too garish haha but thought what the heck it's narrowband anyway !

The 3 letters don't really stand for anything other than how the Sulphur, Oxygen and Hydrogen filter data is mapped to RGB, SHO being the most common and called the Hubble palette.
Ha ha, thanks Carlos. When I read your answer about the SHO, I said to myself... "Duh".... as I should have known that. I guess I can fall back on that I am still just a noob... ;)
 

CRTAstro

Well-Known Member
Ha ha, thanks Carlos. When I read your answer about the SHO, I said to myself... "Duh".... as I should have known that. I guess I can fall back on that I am still just a noob... ;)
I hear you Jim ! There are just too many acronyms in the world today 😁
 

Mike Lewis

Staff Member
Cheers Mike ! Yeah I still prefer the natural colors but wanted to bring out the dust and gases.

Yes, one of the few objects where I think the natural colors just work better. But as you say, the increased contrast of the NB filters can really bring out the faint details, as you have achieved here. 👍

ML
 

CRTAstro

Well-Known Member
Yes, one of the few objects where I think the natural colors just work better. But as you say, the increased contrast of the NB filters can really bring out the faint details, as you have achieved here. 👍

ML
Thanks Mike! I'll be posting the RGB version soon 😀
 
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