| Coord 2000 | 20302+0321 |
Discov num | DOO 87 |
Comp | Coord arcsec 2000 | 20 30 10.08 +03 21 27.8 |
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| Date first | 1909 |
Date last | 2015 |
Obs | 14 |
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| Pa first | 28 |
Pa last | 33 |
P.A. Now (θ) | 33° |
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| Sep first | 8.2 |
Sep last | 11.9 |
Sep. Now (ρ) | 11.9" |
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| Mag pri | 11.61 |
Mag sec | 12.12 |
delta mag (ΔM) | 0.51 |
Spectral class | |||||
| Pri motion ra | -015 |
Sec motion ra | +019 |
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| Pri motion dec | -004 |
Sec motion dec | +022 |
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| Notes | U
(Proper motion indicates non-physical) |
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| Precise pa | 33.3 |
Precise sep | 11.87 |
Constellation | Delphinus |
Tycho2 | 0514-02356-1 |
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| Gaia DR2 | 18064325632 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20302+0321 | DOO 87 | 2000 | 5 | 213 | 11.3 | 12.11 | 11.61 | LD | 203010.48+032137.3 | ||
| 20302+0321 | DOO 87 | 2015 | 7 | 33 | 11.9 | 11.61 | 12.12 | L | 203010.08+032127.8 |