Cepheus Pilars (NGC7822) in Hα-SII/OIII/OIII+rgb. It’s a mosaic of 2×1 panels providing a original drizzle resolution of 12K and reduced to 3k for showing purposes. Was challenging acquire and process all that amount of data, more than 160 hours of integration time in two panels of 80 hours each one. It was captured in 18 … Continue reading Cepheus Pilars (NGC7822)