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Eric's Astrophotography

Eric and Bryony's astrophotography from Utah and around the world.
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Rho Ophiuchi Complex
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Rho Ophiuchi Complex

A very up and down start to this crazy huge Milky Way core region project, decided to put together 4 panels this last weekend while up in the Uinta Mountains. I also tried using the NikonHacker black point firmware for my D800E for the first time, I had previously used it for my D600 and D7000, but it's always tricky to get it to load right (and stay loaded throughout the entire imaging session). Focus also drifted a bit as it cooled down into the low 40's which caused the left 2 panels to not stitch/mosaic perfectly, plus I fudged the alignment on the upper left panel, but that will be no problem once I get the rest of the panels done. Lastly, I had to take 3 different sets of flat frames because of issues with the master flat calibration of the lights, frustrating stuff.

So 4 panels down, around 20-22 panels to go, this is going to be a tough project. Each panel is a stack of 7 to 10 exposures taken with my Nikon D800E and Samyang 135mm f2 lens on a Sky Watcher Star Adventurer tracking mount. Each exposure was 3 minutes at ISO 800 and f2.8.

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