[Database Corrections] Discrepency in Distance for M77 (SkySafari 6)

For the object Messier 77, a spiral galaxy in constellation Cetus, the Object Info in SkySafari 6 states a distance of 60 million light years away, but the Data section lists it's distance as 33 million light years.  (A discrepancy of 27 Mly).  Other resources state this distance as 47 million light years.