Sep 212013
M52, NGC 7635 The Bubble Nebula, SH2-157 The Lobster Claw Nebula, SH2-161
(Earlier Work) Annotated
This area is rich in diversity offering the Open Cluster M52, Emission Nebula SH2-157 aka The Lobster Claw Nebula as well as SH2-161. Also included is the more famous Bubble Nebula NGC 7635.
Imaged from my backyard outside Pittsburgh, PA.
Telescope: Tak FSQ-106ED
CCD: Apogee U16
Mount: AP900GTO3
Exposure Time: H-Alpha = 14x20min, O[III] = 9x20min, S[II] = 10x20min
Total Exposure Time = 11 Hours