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Thanks for the info. I wonder how long an exposure you need for circular star trails to develop?
Saw this of one of the gate guards at Mojave:
Hey Mark - I'm not experienced at shooting star trails, but a couple of my AzAP associates are. They were doing a little of that last night. If I understood their explanation correctly, they were taking a large series of 2 to 4 minute exposures and them creating a single composite image in PS. I would have tried for one extremely long exposure, but they tell me that does not work very well. Remember, I'm the dumbest guy in the room when it comes to that type of photography, so you best double-check my comments to make sure you don't waste your time
Edit for TOPP. This is a photo I took at sunset. The colors in the sky were wonderful and reflected nicely on the prop surfaces.
Convair B-36 Peacemaker
Edited on Dec 16, 2013 at 03:10 AM · View previous versions