| Coord 2000 | 20311+3847 |
Discov num | SEI1150 |
Comp | Coord arcsec 2000 | 20 31 05.27 +38 47 01.8 |
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| Date first | 1895 |
Date last | 2015 |
Obs | 12 |
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| Pa first | 75 |
Pa last | 74 |
P.A. Now (θ) | 74° |
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| Sep first | 22.3 |
Sep last | 21.6 |
Sep. Now (ρ) | 21.6" |
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| Mag pri | 11.28 |
Mag sec | 12.30 |
delta mag (ΔM) | 1.02 |
Spectral class | F2 (yellow-white) |
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| Pri motion ra | -012 |
Sec motion ra | -023 |
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| Pri motion dec | -104 |
Sec motion dec | -098 |
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| Notes | N
(See Notes) |
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| Precise pa | 74.4 |
Precise sep | 21.56 |
Constellation | Cygnus |
Gaia DR2 | 2064107926079227648 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20311+3847 | SEI1150 | 1998 | 4 | 74 | 21.6 | 9.50 | 11.00 | D | 203105.25+384700.6 | ||
| 20311+3847 | SEI1150 | 2002 | 6 | 74 | 21.6 | 11.28 | 12.30 | N D | 203105.27+384701.8 | ||
| 20311+3847 | SEI1150 | 2010 | 7 | 75 | 21.6 | 11.28 | 12.30 | F2 | N | 203105.27+384701.8 | |
| 20311+3847 | SEI1150 | 2015 | 8 | 74 | 21.6 | 11.28 | 12.30 | F2 | N | 203105.27+384701.8 |