15  April  2018
 

    NGC4631 & NGC4656 - The Whale and the Hockey Stick



By   Gordon Boulton
tristarobservatory.space )

* Acquired 2016-12-02 - 2017-03-04
* RGB acquired from TriStar Observatory TinyObs through 2017-02-04  Bortle class 6-7
* Lum acquired during the 2017 /r/Spaceonly Imaging Party in Marathon, TX, 2017-02-26 - 3017-03-04  Bortle class 2
* 92 x 300" Red, 71 x 300" Green, 84 x 300" Blue, 78 x 900" Lum : 40h 5m of integration
* Stellarvue SV80ST
* Astro-Physics Mach-1 GTO
* Atik 414EX
* Orion 1.25" LRGB Filters
* QHY5-L II Guidecam


 

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