| discov_num | notes | refcode |
| HJ 603 | 19 Cyg. A is the irregular variable V1509 Cyg. Berlin Obs. observes | StG1963 |
| Aa,Ab: 1922.7, 312@, 168.6". Ab: 1922.7, 323@, 103.5". | ||
| BE measures from Burnham and Pannunzio et al. were originally | Bu_1903 | |
| designated BC, but the secondary was not the same object as measured | Bu_1913 | |
| in the AC pair. | Tor1992 |
| refcode | metd | author | reference |
| Bu_1903 | Ma - | Burnham, S.W. | 1903PYerO...2....1B |
| Bu_1903 | Pub. Yerkes Obs. 2, 1, 1903 | ||
| Bu_1913 | Ma j | Burnham, S.W. | 1913QB811.B8....... |
| Bu_1913 | +Pa | Carnegie Inst. Wash. #168, 1913 | |
| Bu_1913 | +T | ||
| StG1963 | Ma j | Struve, G. | 1963VeBB....3.....S |
| StG1963 | Pub. Berlin Babelsberg Obs. 14, Pt.3, 1963 | ||
| Tor1992 | Pa - | Pannunzio, R., Morbidelli, R., Massone, G., Lattanzi, M.G., Sarasso, M., & | 1992A&AS...96..143P |
| Tor1992 | +Po | Chiumiento, G. | |
| Tor1992 | A&AS 96, 143, 1992 |
| idgroup | discov | author |
| 1 | HJ | Herschel, J.F.W. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 19506+3843 | HJ 603 | AC | 1928 | 3 | 323 | 102.8 | 5.38 | 12.60 | M2III | N D | 195033.99+384320.7 |
| 19506+3843 | HJ 603 | AC | 2002 | 5 | 319 | 98.1 | 5.38 | 12.60 | M2III | N | 195033.99+384320.7 |
| 19506+3843 | HJ 603 | AC | 2014 | 6 | 318 | 96.8 | 5.38 | 12.60 | M2III | N | 195033.99+384320.7 |
| 19506+3843 | HJ 603 | AC | 2015 | 8 | 318 | 96.6 | 5.38 | 12.60 | M2III | N | 195033.99+384320.7 |