Richard A. Proctor - Half-Hours with the Stars

For particulars and pictures of the different constellations, and other details associated with the study of the star-groupings, the reader is referred to my "Easy Star Lessons," published like the present maps by Messrs. Putnam's Sons. I have to thank the proprietors of the Scientific American for permission to publish these maps, which originally appeared (though in a slightly different form) in the pages of that excellent magazine. The Latin names of the constellations included in the maps of this series are as follows:

THE LITTLE BEAR, Ursa Minor (α, the Pole Star ; β, γ, the Guardians ).

THE DRAGON, Draco (α, Thuban ).

KING CEPHEUS, Cepheus.

THE LADY IN THE CHAIR, Cassiopeia.

THE CHAMPION, Perseus (β, Algol , remarkable variable).

THE CHARIOTEER, Auriga (α, Capella ).

THE GREATER BEAR, Ursa Major (α, β, the Pointers ).

THE HUNTING DOGS, Canes venatici (α, Cor Caroli ).

QUEEN BERENICE'S HAIR, Coma Berenices.

THE HERDSMAN, Boötes (α, Arcturus ).

THE NORTHERN CROWN, Corona Borealis.

THE SERPENT, Serpens.

THE KNEELER, Hercules.

THE LYRE, Lyra (α, Vega ).

THE SWAN, Cygnus (α, Arided ; β, Albireo ).

THE WINGED HORSE, Pegasus.

THE CHAINED LADY, Andromeda.

THE TRIANGLES, Triangula.

THE RAM, Aries.

THE BULL, Taurus (α, Aldebaran ; η, Alcyone , the chief Pleiad ).

THE TWINS, Gemini (α, Castor ; β, Pollux ).

THE CRAB, Cancer (the cluster between γ and δ is the Beehive ).

THE LION, Leo(α, Regulus ).

THE VIRGIN, Virgo (α, Spica ).

THE SCALES, Libra.

THE SERPENT-HOLDER, Ophiuchus.

THE EAGLE, Aquila (α, Altair ).

THE DOLPHIN, Delphinus.

THE WATER CARRIER, Aquarius.

THE FISHES, Pisces.

THE SEA MONSTER, Cetus (ο, Mira , remarkable variable)

THE RIVER, Eridanus.

THE GIANT HUNTER, Orion (α, Betelgeux ; β, Rigel ).

THE LESSER DOG, Canis Minor (α, Procyon ).

THE SEA SERPENT, Hydra (α, Alphard ).

THE CUP, Crater (α, Alkes ).

THE CROW, Corvus.

THE SCORPION, Scorpio (α, Antares ).

THE ARCHER, Sagittarius.

THE SEA-GOAT, Capricornus.

THE SOUTHERN FISH, Piscis Australis (α, Fomalhaut ).

THE HARE, Lepus.

THE DOVE, Columba.

THE GREATER DOG, Canis Major, (α, Sirius ).

THE SHIP, Argo.

THE CENTAUR, Centaurus.

The following table exhibits the names of all the stars of the first three magnitudes to which astronomers have given names; at least, all those whose names are in common use:

MAP I. NIGHT SKY.—DECEMBER AND JANUARY.

Stars of the first magnitude are eight-pointed; second magnitude, six-pointed; third magnitude, five-pointed; fourth magnitude (a few), four-pointed; fifth magnitude (very few), three-pointed. For star names refer to page 4.

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It may be mentioned in passing, that the dates have not been thrown in so as to fall regularly round the year, but correspond with the variations due to the earth's variable motion round the sun.