The multiple star Sigma Orionis, near Zeta Orionis and Orion’s Belt in the constellation of Orion. Captured with the Sony a7III in a stack of 9 x 8-second unguided exposures at ISO 1600 with the Celestron C9.25 inch SXCT at f/10 on a moonlit night.
Sirius (at top), the brightest star in the sky, and Canopus (above the trees), the scond brightest star in the sky, as seen from southern New Mexico. From a latitude of +33° Canopus just clears the tops of the trees. This is a stack of 2 x 2 minute exposures with the 35mm lens at f/2.8 and Canon 5D MkII at ISO 1600.
Sirius, Alpha Canis Majoris, the brightest star in the night sky, in Canis Major. This is a stack of 4 x 4-minute exposures with the Canon 6D at ISO 1600 plus a short 1-minute exposure, both through the 106mm Astro-Physics Traveler telescope, from Tibuc Cottage April 10, 2016 on a partly hazy night.
