Cassiopeia / Cepheus Border

A busy part of the sky in the constellations Cassiopeia and Cepheus. The image below contains H II and O III data, combined in an HOO palette.

 

NGC 7635 (Bubble Nebula) is top/center, the bright bauble center right is NGC 7538, Sh2-157 (Lobster Claw Nebula) is the monster in the lower left, and the dimmer/smaller emission nebula in the center of it all is Sh2-159.

 

Rio Rancho NM Bortle 5 zone,

Oct 10-15, 2022

William Optics Redcat 51

ZWO 183mm pro

ZWO 30mm f/4 mini guide scope and ZWO 120 Mini

Optolong Ha and OIII filters

ZWO ASI Air Pro

Sky-Watcher HEQ5

98 X 300s Ha

252 x 300s OIII

Darks bias dithering

Gain 111 at -10C

Processed in DSS and PS

Done