Click on Object to get NED information for galaxy. Click on TDT (ISO Observation Number) to get information and data for this observation.
| Object | TDT | RA (J2000) | Dec (J2000) |
| MRK 231 | 02700457 | 12h56m14.6s | +56d52m24s |
| MRK 231 | 03100357 | 12h56m14.6s | +56d52m24s |
| MRK 231 PV F10 | 05100540 | 12h56m14.6s | +56d52m24s |
| MRK 231 | 18001306 | 12h56m14.2s | +56d52m24s |
| MRK 231 OH | 60300241 | 12h56m14.2s | +56d52m24s |