| Coord 2000 | 20241+3912 |
Discov num | SEI1115 |
Comp | Coord arcsec 2000 | 20 24 03.57 +39 12 21.0 |
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| Date first | 1895 |
Date last | 2015 |
Obs | 19 |
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| Pa first | 178 |
Pa last | 181 |
P.A. Now (θ) | 181° |
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| Sep first | 19.5 |
Sep last | 23.6 |
Sep. Now (ρ) | 23.6" |
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| Mag pri | 10.78 |
Mag sec | 11.44 |
delta mag (ΔM) | 0.66 |
Spectral class | |||||
| Pri motion ra | +025 |
Sec motion ra | +008 |
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| Pri motion dec | +030 |
Sec motion dec | -008 |
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| Notes | U
(Proper motion indicates non-physical) |
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| Precise pa | 180.6 |
Precise sep | 23.62 |
Constellation | Cygnus |
Tycho2 | 3152-01225-1 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20241+3912 | SEI1115 | 2007 | 7 | 180 | 23.7 | 10.78 | 11.44 | LD | 202403.57+391221.0 | ||
| 20241+3912 | SEI1115 | 2010 | 8 | 180 | 23.8 | 10.78 | 11.44 | LD | 202403.57+391221.0 | ||
| 20241+3912 | SEI1115 | 2015 | 11 | 181 | 23.7 | 10.78 | 11.44 | L | 202403.57+391221.0 |