UNE Number
UNE Number: 0123
Numbers 01 tell the right ascension (R.A.) zone the object is located. Eg. 01 is in zone 1–2 h. Zone 24 is reserved for large multiple zone Milky Way features.
Numbers 23 is the running number of the objects in the zone. Because UNE is suppmented several times, the numbers are not necessarity fully in the right ascension order.