Caldwell 27 (NGC6888) is an emission nebula in the constellation Cygnus. FOV is ~ 4.73˚ X 2.98. This is twenty-four 300s guided subs taken from the Darling Hill Observatory in Vesper, NY with an Optolong L-eXtreme filter on June 28th 2022. A Canon EOS6D camera, iOptron CEM40G mount, ZWO ASI120MM mini mono guide camera, William Optics 50mm guide scope, ASIAir Plus, William Optics FLT 91 + Flat 6AIII 0.8 reducer FL 432mm f/4.9.
