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David Rosenthal | all galleries >> Astrophotography >> Hydrogen Alpha > Melotte 15
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21-Oct-2013 David Rosenthal

Melotte 15

Midland Park, NJ

Melotte 15 in Cassiopeia

10*1200 Second Hydrogen Alpha Exposures

Trius SX694 with AstroDon 5nm Gen II E Series Ha Filter
Borg/Pentax 125SD @ f/4.68 + SI Focus Boss II
SX Wheel, SX OAG, SX Lodestar
Losmandy G-11 Gemini Ovision full exif


other sizes: small medium large original auto
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