M52, the Bubble Nebula and the Lobster Claw in Cassiopeia

Tuesday, Oct 7, 2025

M52, the Bubble Nebula and the Lobster Claw in Cassiopeia

By Alberto Soler

25 hours of HA, 17 hours of O3, and one hour of RGB from Bortle 7.5. ZWO Asi 2600mm Pro camera, Askar Fra 500, and Skywatcher Wave 150 i mount.

ASI 20600mm

Optolong RGB y baader HO

Wave 150i

Pixinsight