Open Cluster NGC6939
This very old open cluster is often framed with the Fireworks galaxy. However the two are unrelated and the galaxy is millions of light years further awaybr/ br/ Shot June 12th 2021 from Ottawa Ontariobr/ Celestron 11quot; SCT telescope, Hyperstar reducer, 540mm f/1.9br/ ASI533MCPRO colour camerabr/ Guided on a CGEM mount with the ASI290MM guide camera, acquisition software ASIAIRbr/ 40x180s lightsbr/ Baader UV/IR/cut filterbr/ Calibrated with darks, flats and dark flatsbr/ Processed in PixInsight and Photoshop