| Star: | V2491 CYG | Harvard Des.: | 9999+99 | ||
| RA (2000): | 19 43 01.96 | Decl (2000): | +32 19 13.8 | ||
| Type: | N | Magn: | 7.54 V - ? | ||
| Epoch: | Period: | M-m: | |||
| Spectral type: |

The following observers contributed a total of 39 observations to this light curve:
| BIS | Biesmans Marc | NIE | Nieuwlandt Alex | WIL | Wils Patrick | |||
| HAT | Hautecler Hubert | QUE | Questier Filip | |||||
| LOO | Van Loo Frans | STN | Vansteelant David |