deep space astrophotography

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Vela Supernova Remnant - 2 by Eddie Trimarchi
Via Flickr:
This is a little more of the huge Vela Supernova Remnant, a star about 800 light years away, that exploded around 12,000 years ago, creating a vast, intricate cloud of gas and radiation, appearing to us now as roughly the size of 16-full moons, but far too dim to see anything-of without a largish telescope. Bi-colour Ha-OIII 10 hours each RGB: 15 minutes 20.25 hours total GSO RC10 @ f6 Moravian G3-11000 Baader RGB and 7nm NB Synta EQ6

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Pelican and Herbig Haro 555 in mono by Sara Wager
Via Flickr:
IC5070 (the Pelican nebula) is located in the constellation of Cygnus at approximately 1800 light years from Earth. You can see on the right of the image a large pillar of gas and at the tip of this is a Herbig-Haro object. Herbig-Haro 555 is a narrow jet of gas and matter, ejected by newly born stars at speeds of several hundred kilometres per second. It collides with nearby gas and dust in the interstellar medium, producing bright shock fronts that glow as the gas is heated by friction while the surrounding gas is excited by the high-energy radiation of nearby hot stars. Details: M: Mesu 200 T: TMB152 C: QSI683 WSG with 3nm Ha filter 26x1800s Totalling 13 hours

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NGC 7000, IC 5070 

NGC 7000 is commonly known as the North America Nebula due to its shape. To the right of it is IC 5070, or the Pelican Nebula. Both are emission nebulae from the same stellar cloud, located in the constellation Cygnus. By Naki1900 on Flickr.

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Messier 8 - The Lagoon Nebula by Steven Rosenow
Via Flickr:
25 one-minute exposures @ ISO3200 using a Nikon D5500 and a 10-inch Meade LX200. Stacked in Deep Sky Stacker and fine-tuned in Adobe Photoshop CS6.

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Messier 104 - The Sombrero Galaxy by Steven Rosenow
Via Flickr:
Not bad for 35 minutes’ worth of exposure. Say hello to my friend, the ‘Sombrero’ galaxy (aka Messier 104). I’ve waited five long years for this sucker. Tonight, I finally nabbed it! :) 35 one-minute exposures @ ISO3200 using a Nikon D5500 and a 10-inch Meade LX200. Stacked in Deep Sky Stacker and fine-tuned in Adobe Photoshop CS6. Aw hell yes. It feels GREAT to be back in the ol’ saddle again! <3