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Sharpless 298

Dan Crowson
 

Sh2-298 (NGC 2359, IC 468, Gum 4, LBN 1041, Thor’s Helmet) is an emission nebula located approximately 15,000 light-years away in Canis Major. The nebula is created by the center Wolf-Rayet star HD 56925.

 

Ha – 24x1800s – 720 minutes – binned 1x1

OIII – 25x1800s – 750 minutes – binned 1x1

RGB – 8x300s – 40 minutes each – binned 2x2

 

1590 minutes total exposure – 26 hours 30 minutes

 

Imaged over 13 nights from December, 2016 through January, 2018 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

 

Ha-OIII-OIII-RGB - https://www.flickr.com/photos/dcrowson/49051414501/sizes/l/

 

See my previous LRGB version here - https://www.flickr.com/photos/dcrowson/33233590106/sizes/l

 

Dan

----          
Dan Crowson                          dcrowson@...
Dardenne Prairie MO               http://www.crowson.com

 

Bernard Miller
 

Dan,

 

Nice filamentary structure in the helmet. I see you went with the old school teal rather than blue as many images do.

 

Bernard

 

 

From: DarkSkyNewMexico@groups.io On Behalf Of Dan Crowson
Sent: Monday, November 11, 2019 3:12 PM
To: 'Dan Crowson' <dcrowson@...>
Subject: [DarkSkyNewMexico] Sharpless 298

 

Sh2-298 (NGC 2359, IC 468, Gum 4, LBN 1041, Thor’s Helmet) is an emission nebula located approximately 15,000 light-years away in Canis Major. The nebula is created by the center Wolf-Rayet star HD 56925.

 

Ha – 24x1800s – 720 minutes – binned 1x1

OIII – 25x1800s – 750 minutes – binned 1x1

RGB – 8x300s – 40 minutes each – binned 2x2

 

1590 minutes total exposure – 26 hours 30 minutes

 

Imaged over 13 nights from December, 2016 through January, 2018 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

 

Ha-OIII-OIII-RGB - https://www.flickr.com/photos/dcrowson/49051414501/sizes/l/

 

See my previous LRGB version here - https://www.flickr.com/photos/dcrowson/33233590106/sizes/l

 

Dan

----          
Dan Crowson                          dcrowson@...
Dardenne Prairie MO               http://www.crowson.com