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Orion f/4.7 10-inch reflector and SBIG ST-2000XM imager on a Losmandy G11 mount. Guiding with a Orion ST-80 and DSI Pro 2 imager.
Narrowband image of Horse Head Nebula (IC434). Combination of 1x1 binned 900s exposures using Ha, SII, and OIII filters. Also L, R, G, and B exposures to colorize the stars. Used Nebulosity 2 to capture exposures and PHD for guiding. Image processing using DeepSkyStacker, Nebulosity 2, PixInsight LE, and PhotoShop.