The nebulas of Orion in the Belt and Sword of Orion area. Including M42, Orion Nebula 9below centre), Barnard's Loop (at left), M78 (small reflection nebula above centre), Horsehead Nebula (centre) and NGC 2024 (above Horsehead). There is faint reflection nebulosity at right -- the frame does not extend right far enough to show the Witchhead Nebula near Rigel. This is a stack of 10 x 7 minute exposures at f/2.8 with the Canon 135mm L series lens and filter-modified Canon 5D MkII at ISO 640. One exposure had soft stars from high altitude haze which added the glows around stars naturally. Shot from Coonabarabran, Australia, December 14/15, 2012. This is a better version than #1 shot the night before under some haze and cloud.
This is a pair of colourful nebulas in Cassiopeia. The Pacman Nebula, NGC 281, is at bottom near the stars Alpha Cassiopeiae, aka Schedar (or Schedir) at right, and eta Cas, aka Achird (above NGC 281). At top are the largely blue or magenta reflection nebulas IC 59 and IC 63 adjacent to the blue star Gamma Cassiopeiae, aka Navi. The tiny blue dot of the planetary nebula Abell 2 is just right of Achird. North is at top in the porttrait format image. This is a stack of 8 x 8-minute exposures through the Borg 77mm f/4 astrograph and with the Canon EOS Ra red-sensitive mirrorless camera, at ISO 800. Stacked, aligned and processed in Adobe Camera Raw and Photoshop 2020. No nebula or light pollution reduction filter was employed in taking the images. I shot this from home November 25, 2019 on a very fine if frosty autumn night. The Dew Destroyer heater coil from David Lane wrapped around the front objective nicely kept off the frost.
NGC 281, aka the Pacman Nebula, in Cassiopeia, near the stars Achird (top) and Shedar (right). This is a stack of 8 x 6-minute exposures at ISO 1600 with the Canon EOS Ra camera and Astro-Physics Traveler apo refractor at f/6 with the Hotech field flattener. No LENR used here as the temperature was -15° C. A smudge on the field flattener lens added the spike on Achrid at top. High haze added the star glows naturally.
