Location of Photo:
Rancho Hidalgo, NM
Date/Time of photo:
October 14 and 20, 2011
Telescope: TEC-140 (F7) Camera: SBIG ST-8300M Mount: AP900 GTO HA: 15x20 minutes (unbinned) Luminance: 18x10 minutes (unbinned) Red: 9x10 minutes (binned 2x2) Green: 9x10 minutes (binned 2x2) Blue: 9x10 minutes (binned 2x2)
SH2-157 is also known as the Claw Nebula. It is an emission nebula in the constellation of Cassiopeia.