| Coord 2000 | 20117+3720 |
Discov num | SEI 982 |
Comp | Coord arcsec 2000 | 20 11 42.78 +37 20 11.5 |
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| Date first | 1896 |
Date last | 2016 |
Obs | 14 |
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| Pa first | 64 |
Pa last | 63 |
P.A. Now (θ) | 63° |
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| Sep first | 19.0 |
Sep last | 19.6 |
Sep. Now (ρ) | 19.6" |
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| Mag pri | 11.78 |
Mag sec | 12.47 |
delta mag (ΔM) | 0.69 |
Spectral class | em |
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| Pri motion ra | -003 |
Sec motion ra | +002 |
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| Pri motion dec | -013 |
Sec motion dec | -006 |
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| Notes | |||||||||||
| Precise pa | 63.2 |
Precise sep | 19.582 |
Constellation | Cygnus |
Tycho2 | 2683-02051-1 |
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| Gaia DR2 | 2060789393861224448 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20117+3720 | SEI 982 | 1983 | 4 | 63 | 19.5 | 11.00 | 11.00 | 201108.57+372000.0 | |||
| 20117+3720 | SEI 982 | 1998 | 5 | 63 | 19.5 | 12.62 | 12.80 | D | 201142.78+372011.5 | ||
| 20117+3720 | SEI 982 | 2002 | 6 | 63 | 19.5 | 12.62 | 12.80 | D | 201142.78+372011.5 | ||
| 20117+3720 | SEI 982 | 2011 | 7 | 63 | 19.6 | 12.62 | 12.80 | D | 201142.78+372011.5 | ||
| 20117+3720 | SEI 982 | 2016 | 9 | 63 | 19.6 | 11.78 | 12.47 | em | 201142.78+372011.5 |