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An astrometric catalogue of stars in the region of M15
We present positions and proper motions with respect to the PPMcatalogue of 863 stars in a field of 8 deg x 6 deg centered on theglobular cluster M15. The catalogue is based on measurements of 136plates from the Carte du Ciel telescope of Bordeaux, the CERGA Schmidttelescope, and the double refractor of Bonn. The modal accuracy of theproper motions is +/- 0 arcsec 15/100 a.
| Objective-prism discoveries in the northern sky. I
Attention is given to 175 northern hemisphere stars whose newlyrecognized peculiar, or otherwise prepossessing characteristics havebeen noted in a preliminary inspection of moderate dispersion objectiveprism plates. The plates were obtained with a 10-deg prism. The starlist gives HD or BD, alpha and delta values, magnitude, and type.
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Observation and Astrometry data
| Constellation: | こうま座 |
| Right ascension: | 21h20m30.63s |
| Declination: | +11°36'00.5" |
| Apparent magnitude: | 9.205 |
| Proper motion RA: | 3.8 |
| Proper motion Dec: | -12.7 |
| B-T magnitude: | 9.719 |
| V-T magnitude: | 9.248 |
Catalogs and designations:
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