Photography by Steven Sharpe
"North America
Nebula"
The North America Nebula and
surrounding region of Cygnus. Photographed September 19,
2014.
Pentax K-3 at ISO 3200, Pentax
SMC-FA 135mm F2.8 lens at F3.5, a stack of 117, 30 second exposures
for a total duration of 58 1/2 minutes, piggybacked on a Celestron 5
telescope; processed with IRIS and Adobe Photoshop
CS2.
Approximate print sizes
available: 5X7, 8X10, 11X14, 13X19.
(C) Copyright 2014 by Steven
Sharpe
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