| Coord 2000 | 20121+3710 |
Discov num | SEI 995 |
Comp | Coord arcsec 2000 | 20 12 07.29 +37 09 33.1 |
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| Date first | 1896 |
Date last | 2015 |
Obs | 10 |
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| Pa first | 44 |
Pa last | 44 |
P.A. Now (θ) | 44° |
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| Sep first | 23.5 |
Sep last | 23.2 |
Sep. Now (ρ) | 23.2" |
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| Mag pri | 9.50 |
Mag sec | 11.00 |
delta mag (ΔM) | 1.5 |
Spectral class | |||||
| Pri motion ra | -003 |
Sec motion ra | -008 |
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| Pri motion dec | -007 |
Sec motion dec | -006 |
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| Notes | |||||||||||
| Precise pa | 44 |
Precise sep | 23.16 |
Constellation | Cygnus |
Tycho2 | 2683-00677-1 |
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| Gaia DR2 | 2060760359880313344 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20121+3710 | SEI 995 | 1983 | 2 | 45 | 23.0 | 9.50 | 11.00 | 201207.29+370933.1 | |||
| 20121+3710 | SEI 995 | 2002 | 3 | 44 | 23.2 | 9.50 | 11.00 | 201207.29+370933.1 | |||
| 20121+3710 | SEI 995 | 2010 | 5 | 48 | 23.6 | 9.50 | 11.00 | 201207.29+370933.1 | |||
| 20121+3710 | SEI 995 | 2015 | 6 | 44 | 23.2 | 9.50 | 11.00 | 201207.29+370933.1 |