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jshuder | all galleries >> Astrophotography >> Sharpless HII Regions > B33 / IC 434 (Sh2-277) /NGC 2023
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B33 / IC 434 (Sh2-277) /NGC 2023

B33 Dark Nebula, IC 434 HII Emission Nebula and NGC 2023 Reflection Nebula in Orion. Taken Nov 28,
and 29 2006 with a DSI Pro II and Outback Cooler on a C80ED operating at f6 with a WO 0.8x field
flattener/reducer. RGB subframes were 2 min, while the H-alpha subframes were 3 min for a total
exposure in Ha+R:G:B (in min) = 75+52:54:38. Also used some of the Ha combined with the RGB channels
for Luminosity processing. Captured with Envisage, calibrated and sigma combined in Iris with other
processing using PixInsight LE and Photoshop CS. North is up.

other sizes: small medium original auto
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Sam Rua27-Oct-2014 23:16
Cool capture.