| Coord 2000 | 20306+3452 |
Discov num | ES 2305 |
Comp | Coord arcsec 2000 | 20 30 37.20 +34 52 06.5 |
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| Date first | 1927 |
Date last | 2016 |
Obs | 9 |
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| Pa first | 288 |
Pa last | 286 |
P.A. Now (θ) | 286° |
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| Sep first | 6.5 |
Sep last | 6.7 |
Sep. Now (ρ) | 6.7" |
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| Mag pri | 9.64 |
Mag sec | 12.40 |
delta mag (ΔM) | 2.76 |
Spectral class | |||||
| Pri motion ra | +007 |
Sec motion ra | -068 |
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| Pri motion dec | -031 |
Sec motion dec | -023 |
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| Notes | |||||||||||
| Precise pa | 286.3 |
Precise sep | 6.725 |
Constellation | Cygnus |
Tycho2 | 2693-00664-1 |
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| Gaia DR2 | 2056534008961586432 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20306+3452 | ES 2305 | 1999 | 2 | 287 | 6.7 | 9.64 | 12.40 | D | 203037.20+345206.5 | ||
| 20306+3452 | ES 2305 | 2002 | 3 | 286 | 6.8 | 9.64 | 12.40 | D | 203037.20+345206.5 | ||
| 20306+3452 | ES 2305 | 2015 | 4 | 286 | 6.7 | 9.64 | 12.40 | 203037.20+345206.5 |