| Coord 2000 | 20349+3840 |
Discov num | SEI1177 |
Comp | Coord arcsec 2000 | 20 34 54.59 +38 39 55.3 |
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| Date first | 1895 |
Date last | 2015 |
Obs | 10 |
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| Pa first | 149 |
Pa last | 139 |
P.A. Now (θ) | 139° |
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| Sep first | 13.2 |
Sep last | 13.0 |
Sep. Now (ρ) | 13" |
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| Mag pri | 11.78 |
Mag sec | 12.80 |
delta mag (ΔM) | 1.02 |
Spectral class | |||||
| Pri motion ra | -012 |
Sec motion ra | +004 |
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| Pri motion dec | -013 |
Sec motion dec | -004 |
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| Notes | |||||||||||
| Precise pa | 138.7 |
Precise sep | 12.963 |
Constellation | Cygnus |
Tycho2 | 3153-00555-1 |
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| Gaia DR2 | 2063973579504646144 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20349+3840 | SEI1177 | 1998 | 3 | 140 | 13.0 | 11.78 | 12.80 | D | 203454.59+383955.3 | ||
| 20349+3840 | SEI1177 | 2002 | 4 | 140 | 13.0 | 11.78 | 12.80 | D | 203454.59+383955.3 | ||
| 20349+3840 | SEI1177 | 2010 | 5 | 139 | 12.2 | 11.78 | 12.80 | 203454.59+383955.3 | |||
| 20349+3840 | SEI1177 | 2015 | 6 | 139 | 13.0 | 11.78 | 12.80 | 203454.59+383955.3 |