This is a single 30 minute exposure of the stars rising behind the famous 5 trees at IISAC2013.
Captured with the Canon 6D, 24-70mm lens @ 70mm, f/5.6, ISO640, 30 minute single exposure. No dark frame, no ICNR.
I love the colours of the Milky Way in the top left corner, and the subtle green from the airglow that was visible that weekend. It got stronger on Friday and Saturday nights, but was still visible on the Thursday when this was captured.
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Thanks for looking.