Orion Nebula region with NGC1973-7. Stack of two 10-minute exposures + stack of 30s and 1min exposure for retaining bright core

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Orion Nebula region with NGC1973-7. Stack of two 10-minute exposures + stack of 30s and 1min exposure for retaining bright core deail. Blended with Normal @ 85% but erasing all of short exposure layer except for core. With Canon 20Da, at f/6 with 5-inch AP apo refractor, ISO400, and Long Exposure Nosie Reduction ON in camera. Ambient temp was about -3° C. Taken Dec. 29, 2005.

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Size: 3600px × 5400px
Photo credit: © Alan Dyer / VWPics / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: +, /6, 10-minute, 1min, 20da, 30s, 5-, 85%, @, alan, ap, apo, astronomy, astrophoto, astrophotography, blended, bright, canon, core, core., deail., dyer, erasing, exposure, exposures, iso400, layer, long, m42, m43, man, messier, nebula, ngc1973-7., night, normal, orion, pink, portrait, refractor, region, retaining, running, short, sky, stack, stargazing, stars