M45 of course is the famous star cluster known as the Pleiades or the Seven Sisters.br/ This image was shot the night of a full moon.br/ I was testing out a couple of things and this image turned out nicer than expected with lots of dust around the blue young hot stars.br/ Shot Feb 27 2021 2021 from Ottawa Ontariobr/ Celestron 11quot; SCT telescope, Hyperstar reducer, 540mm f/1.9br/ ASI533MCPRO colour camerabr/ Optolong L-Pro filterbr/ Guided on a CGEM mount with the ASI290MM guide camera, acquisition software ASIAIRbr/ 40x180s lightsbr/ Calibrated with darks, flats and flat darksbr/ Processed in PixInsight and Photoshop