Orion Nebula M42 with a Celestron Nexstar SE 8″ Schmidt-Cassegrain computerized telescope of 8″ (200mm) aperture and 2m (2000mm) focal length and standard alt-az mount, and a Celestron f/6.3 focal reducer. Canon EOS T3 12Mp camera (body only bought used on Amazon for $190) set at 1600 ISO, 50 x 10-second exposures add up to a total of 8min 20sec exposure time. Celestron LPR UHC 94123 filter used to reduce city lights pollution. Individual images have been automatically stacked (rotated and shifted) with Deep Sky Stacker (DSS). I will be happy to answer any questions below!