| Coord 2000 | 20317+4143 |
Discov num | HJ 1530 |
Comp | Coord arcsec 2000 | 20 31 38.12 +41 43 51.4 |
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| Date first | 1828 |
Date last | 2015 |
Obs | 14 |
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| Pa first | 243 |
Pa last | 242 |
P.A. Now (θ) | 242° |
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| Sep first | 12.0 |
Sep last | 16.2 |
Sep. Now (ρ) | 16.2" |
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| Mag pri | 9.86 |
Mag sec | 10.60 |
delta mag (ΔM) | 0.74 |
Spectral class | |||||
| Pri motion ra | +001 |
Sec motion ra | -002 |
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| Pri motion dec | -004 |
Sec motion dec | -005 |
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| Notes | |||||||||||
| Precise pa | 242.1 |
Precise sep | 16.17 |
Constellation | Cygnus |
Tycho2 | 3161-00576-1 |
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| Gaia DR2 | 02229202304 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20317+4143 | HJ 1530 | 2004 | 6 | 242 | 16.3 | 9.86 | 10.60 | D | 203138.12+414351.4 | ||
| 20317+4143 | HJ 1530 | 2013 | 8 | 243 | 15.9 | 9.86 | 10.60 | 203138.12+414351.4 | |||
| 20317+4143 | HJ 1530 | 2015 | 10 | 242 | 16.2 | 9.86 | 10.60 | 203138.12+414351.4 |