SH 254-255-256-257-258

HII region in Orion near Gemini. From right to left the largest Sh 254, Sh 257 with aside the little Sh 256, Sh 255 and, a little farther, the smallest Sh 258

 

Camera: Moravian G2 8300

Filters: 31mm unmounted Optolong

Optic: RC GSO 8" - Astro Physics telecompressor 0.67X

Mount: Ioptron CEM60 HP

Autoguider: Magzero QHY 5L II, OAG 9mm TS, Phd guiding

Frames: Ha 7nm 15X600 sec Bin1 - RGB: 6X600 sec each Bin2 -30°

Processing: Pixinsight, PS

 

 

Done