M15 Globular Cluster Plus IFN, 4.3 hours total exposure: LRGB (60 sec exposures), Telescope 1, Processed with PixInsight.

The data set used to create the above photo is available for purchase for $25.

The data set includes:

 L,R,G & B Master Lights (Created from 60 x L 60s, 62 x R 60s, 59 x G 60s, 57 x B 60 s sec each).