Optics/mount : 12″ACF 2.7m AP-Reduzer Alt-5 Camera/filters: Atik 11002 AstrodonHa/OIII Exposure:39×600 Ha and OIII all 2bin 12 August 2016 My second attempt to take a deepsky photo of this nebula. My first attempt The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in […]
