The Pleiades star cluster a.k.a. the Seven Sisters (M45), by Jeroen Moonen.
Total integration time: 28,5 hours in 256 frames taken is 3 separate periods: december 2016, september and october 2017.
65mm Tecnosky Quadruplet APO, 80mm F5 Skywatcher Esprit APO, SBIG-STF8300M with Baader LRGB fitlers. RGB data was shot with 1×1 and 2×2 binning. All four channels have around 7 hours of integration time and are divided in sub exposures times of 300 and 600 seconds.
Fully processed in APP.