LBN 633 (Sharpless 2-188, Simeis 22) is a planetary nebula that is to be found 850 light years away in the constellation of Cassiopeia. It is sometimes referred to as the ‘Dolphin’ or ‘Shrimp’ nebula.

Data for this object were captured between 18 October and 19 November 2020, from a rig in Spain that is privately owned and remotely operated by Barry Wilson and me.

Capture details are as follows:

Telescope: TEC 140

Camera: QSI 690

Filters: Astrodon

Mount: 10 Micron GM2000HPS

Ha: 27 x 1200s

OIII: 27 x 1200s

Red: 50 x 300s

Green: 50 x 300s

Blue: 50 x 300s

A total of 30 hours and 30 minutes exposure.

Data Capture: Steve Milne & Barry Wilson

Image Processing: Steve Milne