The Iris Nebula or NGC 7023, Caldwell 4 is a bright reflection nebula in the constellation Cepheus. The designation NGC 7023 refers to the open cluster within the larger reflection nebula designated LBN 487.
The nebula, which shines at magnitude +6.8, is illuminated by a magnitude +7.4 star designated SAO 19158.
The Blue Reflection Nebula lies 1,300 light-years away and is six light-years across. It is surrounded by a dark dusty molecular clouds.
This was from combining my Data from 2019 Color Run from last year with this years 2020 Monochrome Data Run.
Taken with a QHY 183M(mono) & QHY 183C(color) Cooled Cmos Cameras, & C6 Newt. Scope, Bisque MyT Mount,
LRGB 4 hour and 27 minutes total exposure time from my backyard observatory in Dayton, Ohio.