Use this tag for questions that are about the brightness of a celestial object as seen from 10 parsecs away.
Use this tag for questions about the brightness of a celestial object as if it were seen from a standard distance (10 parsecs or 1 au).
Use this tag for questions that are about the brightness of a celestial object as seen from 10 parsecs away.
Use this tag for questions about the brightness of a celestial object as if it were seen from a standard distance (10 parsecs or 1 au).