I went out and set up for a star trail photo tonight. It got cold (low 40's) and my fully charged batteries in both the body and MB-D10 only lasted through 125 frames before giving up the ghost. I was hoping to get at least 200. Not sure how well the star trails will turn out, I will not merge them until tomorrow because even that number of frames will take an hour to merge with StarStax. They may be too short with only that many frames. I may need to invest in a cold weather battery pack!
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