Description
The maps on this page represent the stars from Piazzi's Star catalog described on the previous page. The general features of the maps are described on the historical catalogs page.
Piazzi's stars are represented by black disks and labeled by their number within the right ascension slice, which can be inferred from the coordinates at the edge of the map. The Bayer-style letters and star names assigned by the catalog are also represented. Letters (without index) and star names assigned to more than one component are only represented once, for the brightest one.
Due to the density in some areas, some stars could not be labeled. This happens in the Pleiades, in NGC 6231 close to ζ Sco, and maybe in Praesepe.
Maps by constellation
The following maps cover all the constellations that contain at least one star from Piazzi's catalog, in alphabetical order.
Andromeda
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Antlia
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Aquarius
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Aquila
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Ara
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Aries
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Auriga
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Boötes
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Caelum
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Camelopardalis
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Cancer
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Canes Venatici
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Canis Major
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Canis Minor
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Capricornus
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Cassiopeia
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Centaurus
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Cepheus
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Cetus
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Columba
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Coma Berenices
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Corona Australis
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Corona Borealis
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Corvus
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Crater
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Cygnus
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Delphinus
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Draco
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Equuleus
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Eridanus (N)
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Eridanus (S)
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Fornax
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Gemini
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Grus
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Hercules
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Horologium
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Hydra (W)
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Hydra (E)
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Lacerta
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Leo
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Leo Minor
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Lepus
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Libra
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Lupus
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Lynx
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Lyra
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Microscopium
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Monoceros
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Norma
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Ophiuchus
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Orion
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Pegasus
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Perseus
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Phoenix
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Pictor
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Pisces
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Piscis Austrinus
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Puppis
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Pyxis
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Sagitta
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Sagittarius
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Scorpius
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Sculptor
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Scutum
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Serpens Caput
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Serpens Cauda
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Sextans
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Taurus
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Telescopium
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Triangulum
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Ursa Major
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Ursa Minor
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Vela
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Virgo
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Vulpecula
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Maps by coordinate range
The nineteen maps below cover the celestial sphere except the southern cap. The southernmost declination reached by Piazzi's catalog is -46°20'53.70", for star XVII.125.
These maps represent the same data as the maps by constellation, but they are delimited by equatorial coordinate lines (of the B1875.0 equatorial coordinate system, the reference for constellation boundaries). They show star labels in all constellations at the same time. They use the stereographic projection as well.
North Pole
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90° ~ 65° | |||||
| 22h ~ 18h | 18h ~ 14h | 14h ~ 10h | 10h ~ 6h | 6h ~ 2h | 2h ~ 22h | |
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70° ~ 20° |
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25° ~ -25° |
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-20° ~ -70° |
| 22h ~ 18h | 18h ~ 14h | 14h ~ 10h | 10h ~ 6h | 6h ~ 2h | 2h ~ 22h | |
Maps by hemisphere
The following maps, in the azimuthal equidistant projection, cover celestial hemispheres seen from the six main directions of the B1875.0 coordinate system. They present the same contents as the maps above.
North
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Capricorn
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Libra
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Cancer
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Aries
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South
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