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Cool! Hard to tell though, it's reversed and I think a bit less stretched? I went hunting for my folders where I did that mosaic, turns out February so a good ways back. I know I have a yellow pad with notes all over it too, but that'll be hard to find right now (I have lots of yellow pads lol). Bu...

Hi Bob! Great result! Looks like replacing Astap with ICE worked nicely! Did I get it right that you stitched linear data in ICE? I used ICE only once but I remember that you have to do the overlay manually, right? How do you do this when you basically can't see anything since data is linear? :thin...

After thinking about the process I realized that I had applied the Wipe module to the image twice, once when preparing each panel for stitching and again to the completed mosaic. My recollection is that this is not a recommended flow. With that in mind I took another stab at process the stitched res...

After some trouble trying to get ASTAP to platesolve my tiff files out of StarTools I had one of those aha! moments and realized I should try to use MS-ICE to stitch the tiff files, which worked like a champ. To review, I am attempting to even out the background variations that were present in my fi...

Thanks, Stefan. I'm still using g17 as well. After pondering this a while longer, I went with what I used originally. I took the 4 wiped panels and loaded them into MS ICE for stitching. It didn't hesitate to produce a solution. I will post the result in my thread on the subject. I had the same sett...

Stefan - I am trying to follow the process you lined out using my Cygnus Loop data. I am able to load each DSS stack (4 for me) into StarTools and bin-crop-wipe to even out the gradient in each panel. There is no option to save the file as a .fts file, my best available choice is 16 bit .tif, or I c...

Looking forward to the results! :thumbsup: I have yet to try a mosaic of my own. For processing, I have only tried the two-panel that Eyal posted in the big Elf practice thread. Of course, it was a mono cam and each of the panels had Ha, R, G, and B. Ugh. I gave ASTAP a shot, but unfortunately each...

I think I figured out that ASTAP does have a rotation issue (or my data is very tough to work with) when trying to stitch multiple panels that aren't in a 1xn configuration. I am doing a 2x2 mosaic with the panels laid out as: 1 3 2 4 To work around the issue I did three stitches; first ! stitched p...

Thanks for the tip on cropping (and the "how to"), Stefan. I was able to get the image down to about 1G, which StarTools and my PC can handle. So far my experiments with ASTAP have not gone well. The overlap areas have some slight offsets that produce double stars, makes me think I am looking at a 3...

I am attempting my first mosaic and chose the Cygnus Loop as my target. I had great plans for getting hours of data for each panel, but the weather intervened and I didn't get my first session until September, instead of July as I had hoped to. As a result I have 50 minutes of subs for each panel. I...