MRSL 417 (DWB 10)

Posted by dcrowson
on Sunday, August 05, 2018

MRSL 417 (DWB 10) is a faint Ha region found in Cygnus. It is roughly five degrees from Sadr and above the tulip nebula. The MRSL catalog of 698 nebulae was created Pavla Marsalkov in 1974 using 13 other existing catalogs. After taking this image, I determined that it is also known as Dickel, Wendker and Boeritz (DWB) 10. The catalog of various Ha regions located in the Cygnus X Region was published in 1969. The paper with catalog can be found here - http://adsabs.harvard.edu/full/1969A%26A.....1..270D.

Ha – 12x1800s – 360 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

480 minutes total exposure – 8 hours

Imaged from Dardenne Prairie, Missouri (a red zone) on June 6th and 18th and July 4th and 21st, 2018 with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

HaRGB - https://www.flickr.com/photos/dcrowson/43822455752/sizes/l

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