Cirrus clouds without telescope

When a star in the constellation of Cygnus exploded about 8,000 years ago at a distance of 2,400 light-years, it ejected its entire envelope. It expanded into space at high speed and today forms the Cirrus Nebula. This time Peter Stinner chose a normal 100mm telephoto lens and an ASI183MMpro CMOS camera to image this nebula in the light of hydrogen and double ionized oxygen.

Photo: Peter Stinner

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