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Location of Photo:

Sofronea, Romania

Date/Time of photo:

May 21st, June 26th 2016


SkyWatcher ED80 telescope with 0.8x FR, AZ-EQ6 GT mount, Atik 460ex mono camera with 1.25" Baader filters


The Eastern Veil nebula (also known as Caldwell 33) is a cloud of heated and ionized gas and dust in the constellation of Cygnus and is located at around 1470 light-years from Earth. It is part of the Cygnus Loop which is a faint supernova remnant that exploded aproximately 7000 years ago. From the moment the source star exploded and until now, the Cygnus Loop supernova remnant expanded to a diameter of roughly 3° on the sky (that almost 6 full moons). The red hues in this image are from ionized hydrogen content of gas clouds that emit light in the H-alpha wavelength, while the cyan hues are from oxygen ions.




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