Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'libgsl-dev' instead of 'libgsl0-dev'
Package libcfitsio3-dev is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
libcfitsio-dev:i386 libcfitsio-dev

E: Package 'libcfitsio3-dev' has no installation candidate

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