North America Nebula at 500mm and the Cygnus
The North America Nebula in the constellation
Cygnus. I've done this region of the sky at wide angle
before, but not at 500mm. The Cygnus Wall really shows up well.
This is 58 one minute exposures at ISO 3200 @ f4.5, tracked with a Losmandy G11
unguided, stacked in Images Plus and processed in Images Plus and Photoshop.
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