| Coord 2000 | 20300+4940 |
Discov num | HU 589 |
Comp | Coord arcsec 2000 | 20 29 59.62 +49 40 16.0 |
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| Date first | 1902 |
Date last | 2018 |
Obs | 8 |
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| Pa first | 181 |
Pa last | 204 |
P.A. Now (θ) | 204° |
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| Sep first | 1.0 |
Sep last | 1.6 |
Sep. Now (ρ) | 1.6" |
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| Mag pri | 9.83 |
Mag sec | 10.33 |
delta mag (ΔM) | 0.5 |
Spectral class | G0 (yellow) |
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| Pri motion ra | -001 |
Sec motion ra | -001 |
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| Pri motion dec | +067 |
Sec motion dec | +067 |
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| Notes | |||||||||||
| Precise pa | 203.5 |
Precise sep | 1.615 |
Constellation | Cygnus |
SAO | 49710 |
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| Tycho2 | 3581-01380-1 |
Gaia DR2 | 41557521024 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20300+4940 | HU 589 | 2005 | 7 | 202 | 1.5 | 9.83 | 10.33 | G0 | 202959.62+494016.0 | ||
| 20300+4940 | HU 589 | 2018 | 8 | 204 | 1.6 | 9.83 | 10.33 | G0 | 202959.62+494016.0 |