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Hi Dougie,
I have done a few mosaics so far including a larger one finished but not posted yet.
Yes they are a lot of work in blending in the panels so they are not obvious.
There are a number of techniques around. I studied up on them and then ended up creating my own routine which seems to work fairly well. It got down to not taking too much time at all. I have a 16 panel mosaic I took well over a year ago waiting on my processing skills to come up to a level where I could tackle it.
One rainy week I'll do that.
One lesson from that also is to keep a written map of which panel goes where. Some panels are very nondescript slices of the sky in a large mosaic and its like a jigsaw puzzle trying to work out where it goes. Fortunately I kept a map! That mosaic could be cool but no doubt a few weeks work of processing. It'd be about 3.5 billion megapixels. I took it when I had a fabulous run of clear nights, night after night was clear all night and as I took it from home it was no bother to do 6-8 hours per night and 2 panels each night.
If I were to do a masterpiece I would probably do a slightly different approach to get it perfect.
Rob Gendler is the master. Jase on this site produced a few that were as seamless as I have seen but they were not as deeply coloured as Robs which makes it harder.
Some make the image quite dark to hide the imperfections. A bit like a guitarist short on competency who relies on heavy fuzz to hide the flubs!
Whilst darker images have their appeal I wonder if the main appeal is to hide the imperfections!
Greg.
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