Image of M 42 (The Orion Nebula) from my backyard, 15 km North from Sydney’s city center, on 10th Mar 2020.
Equipment: Skywatcher Black Diamond 80 (F=600mm, f/7.5), Skywatcher AZ-EQ6 (mount), ZWO ASI178MC (main camera), ZWO ASI120MM + Orion 50mm guidescope (guiding), 2″ UHD Optolong filter, and ASIair controlling everythin (using my son’s iPad).
This image combines 60 x 20s light frames, and 21 x 20s dark frames. Aligned and stacked with SiriL, stretching, colour contrast, saturation, levels, and luminosity with Photoshop.
Full resolution image in my Flickr.
Credit: Ángel R. López-Sánchez (AAO-MQ).
Dr Ángel R. López-Sánchez 