git+https://github.com/asdf-format/asdf
git+https://github.com/asdf-format/asdf-standard
git+https://github.com/asdf-format/asdf-transform-schemas
git+https://github.com/asdf-format/asdf-coordinates-schemas
git+https://github.com/asdf-format/asdf-wcs-schemas
git+https://github.com/astropy/astropy
git+https://github.com/astropy/asdf-astropy
