| Coord 2000 | 20371+2953 |
Discov num | MLB 663 |
Comp | Coord arcsec 2000 | 20 37 10.67 +29 52 29.0 |
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| Date first | 1930 |
Date last | 2015 |
Obs | 4 |
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| Pa first | 284 |
Pa last | 265 |
P.A. Now (θ) | 265° |
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| Sep first | 2.8 |
Sep last | 4.3 |
Sep. Now (ρ) | 4.3" |
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| Mag pri | 12.40 |
Mag sec | 14.40 |
delta mag (ΔM) | 2 |
Spectral class | |||||
| Pri motion ra | +020 |
Sec motion ra | |||||||||
| Pri motion dec | +005 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Precise pa | 265.3 |
Precise sep | 4.259 |
Constellation | Cygnus |
Gaia DR2 | 1857732303669690880 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20371+2953 | MLB 663 | 1930 | 1 | 284 | 2.8 | 11.29 | 13.30 | 203707.34+295337.1 | |||
| 20371+2953 | MLB 663 | 2002 | 4 | 267 | 4.0 | 12.40 | 14.40 | 203710.67+295229.0 | |||
| 20371+2953 | MLB 663 | 2015 | 5 | 265 | 4.3 | 12.40 | 14.40 | 203710.67+295229.0 |