| Coord 2000 | 20123+3723 |
Discov num | SLE 961 |
Comp | Coord arcsec 2000 | 20 12 16.25 +37 23 05.0 |
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| Date first | 1985 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 332 |
Pa last | 334 |
P.A. Now (θ) | 334° |
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| Sep first | 7.1 |
Sep last | 7.4 |
Sep. Now (ρ) | 7.4" |
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| Mag pri | 13.30 |
Mag sec | 14.30 |
delta mag (ΔM) | 1 |
Spectral class | |||||
| Pri motion ra | +002 |
Sec motion ra | +003 |
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| Pri motion dec | -009 |
Sec motion dec | +000 |
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| Notes | R
(Red magnitudes) |
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| Precise pa | 333.6 |
Precise sep | 7.449 |
Constellation | Cygnus |
Gaia DR2 | 2060790596451972736 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20123+3723 | SLE 961 | 1998 | 2 | 333 | 7.4 | 13.00 | 13.80 | D | 201216.12+372310.5 | ||
| 20123+3723 | SLE 961 | 2002 | 3 | 334 | 7.4 | 13.30 | 14.30 | R | 201216.25+372305.0 | ||
| 20123+3723 | SLE 961 | 2015 | 4 | 334 | 7.5 | 13.30 | 14.30 | R | 201216.25+372305.0 |