Caroline's Rose is an open cluster discovered by Caroline Lucretia Herschel in 1783. It is also known as the White Rose Cluster. Open clusters are groups of perhaps a few thousand stars loosely bound by gravity. NGC 7789 is about 8,000 lightyears away and is about 1.6 billion years old.

Observation Date: 10-07-2022

Scope: Horizon 72ED 432mm.

Camera: ASI533 MC Pro.

Mount: iEXOS-100 PMC8.

Control: ASIAir Pro.

Filter: Altair Quad Band {Not a good idea for star clusters}

Exposure: 30 x 60s. Guided.

Processed & Annotated: APP, Pixinsight - Photometric Colour Calibration