2011w3 20120114 2 barnes

22)I have just tried adding "flat" frames to the stack for the first time to help reduce vignetting. I was pleased with the end result. Also it seems what I thought was a fork in the comet's tail is a chance alignment with some other deep space gas and nothing to do with Lovejoy. The attachment is the same as I sent you this morning, just with the "flat" frames added, Lester Barnes.

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