CFF135/G3-16200M SV80ST/QHY163M Optolong LRGB
RGB = 6x10min each
RGB = 96x2min each
Total = 19hrs 26min
This image consists of LBN552 (the interesting dust structure at center top, including the small reflection nebula GN21.00.4). LBN552 is surrounded by the larger LBN550 dust clouds, and LDN1228 is at bottom center.