List of Uppsala General Catalogue Addendum (UGCA) objects, an appendix to the Uppsala General Catalogue.
[[Category:UGCA objects]] to add a sort key:
[[Category:UGCA objects|####]], dropping the UGCA prefix, and using only the number. The number should be padded up to 3 digits using zeroes.[[Category:UGCA objects]]. A redirect containing the UGCA number should also be added to the category, sorted as above.