| Coord 2000 | 20309+3459 |
Discov num | SEI1145 |
Comp | Coord arcsec 2000 | 20 30 52.56 +34 59 15.1 |
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| Date first | 1896 |
Date last | 2015 |
Obs | 10 |
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| Pa first | 88 |
Pa last | 88 |
P.A. Now (θ) | 88° |
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| Sep first | 7.7 |
Sep last | 7.7 |
Sep. Now (ρ) | 7.7" |
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| Mag pri | 10.50 |
Mag sec | 10.50 |
delta mag (ΔM) | 0 |
Spectral class | |||||
| Pri motion ra | -004 |
Sec motion ra | -002 |
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| Pri motion dec | -003 |
Sec motion dec | -003 |
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| Notes | |||||||||||
| Precise pa | 88.1 |
Precise sep | 7.741 |
Constellation | Cygnus |
Gaia DR2 | 2056541533744299136 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20309+3459 | SEI1145 | 1999 | 4 | 88 | 7.7 | 10.50 | 10.50 | D | 203052.56+345915.1 | ||
| 20309+3459 | SEI1145 | 2002 | 5 | 88 | 7.7 | 10.50 | 10.50 | D | 203052.56+345915.1 | ||
| 20309+3459 | SEI1145 | 2015 | 6 | 88 | 7.7 | 10.50 | 10.50 | 203052.56+345915.1 |