I have a sequence of two .fits files I want to make into a mosaic. Next I plate solve sequence, which is successful. However no green outline but WCS info can be displayed for both panels. When I try to register using Apply Existing Registration I get:
The reference image has a null matrix and was not previously aligned, choose another one, aborting.
Siril 1.4.0b4 Mac Sequoia 15.7.1
Hello,
this has been fixed for next release. In the meantime, change the reference image to the second one (it does not matter anyway for a mosaic) and you should get the green frame again.
Cheers,
C.
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