The autumn constellations of Cassiopeia (centre) and Perseus (left) low in the north in the moonlight at Dinosaur Provincial Park, April 20, 2021. From this latitude of 51° N they skim low across the north on spring nights. The Moon was at first quarter phase off frame at top left. This is a stack of 4 x 20 seconds for the ground and a single 20-second exposure for the sky, all with the Sigma 24mm Art lens at f/2.8 adapted to the Canon EOS Ra camera at ISO 800. All untracked.
Cassiopeia in a stack of 5 x 4 minute exposures with the Canon 5D MkII at ISO 800 and 50mm Sigma lens at f/3.2. Plus two exposures taken thru the Kenko Softon filter for the star glows. Takes in the nebulosity in this part of the Milky Way including NGC 7822 (above center) to IC 1805 (at left). Taken from home Sept, 29, 2013.
The constellation of Cassiopeia the Queen, framed with the 85mm lens and including many star clusters: M52 at right, the Double Cluster at left, and M103 and NGC 457 on the left side of the W of five stars that marks Cassiopeia. The Heart Nebula, IC 1805, is at upper left, and the Pacman Nebula, NGC 281, is at lower centre. This is a stack of 4 x 2-minute exposures at f/2 with the 85mm Rokinon lens, and modified Canon 5D MkII at ISO 1600. A final exposure taken through the Kenko Softon A diffusion filter adds the star glows. Taken December 11, 2017 at the Quailway Cottage in southeastern Arizona near Portal.
