Re: Sharpless 298
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Nice filamentary structure in the helmet. I see you went with the old school teal rather than blue as many images do.
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