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jshuder | all galleries >> Astrophotography >> Sharpless HII Regions > NGC 2174 & NGC 2175 (Sh2-252)
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NGC 2174 & NGC 2175 (Sh2-252)

NGC 2174 Diffuse Nebula and NGC 2175 Open Cluster in Orion. Taken Dec 17, 2006 with a DSI Pro II and
Outback Cooler and a Pentax SMC-M* 300mm lens @f5.6. H-alpha (Astronomik 13nm) subframes were 240
sec while the RGB subframes were 60 sec. Total exposure of Ha:Ha+R:G:B (min) = 76:76+21:24:33.
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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