A beginner's star-book; an easy guide to the stars and to the astronomical uses of the opera-glass, the field-glass and the telescope . ; M 27 [427] in Vul-pecula, forming an acute triangle with the Eta (ti)and Gamma (7) of Sagitta; M 15 [303], in line with theTheta (9) and Epsilon («) of Pegasus; and—far westward—M 5 [371] in Serpens, called a variable clusterbecause in it; have been detected more than a hundredvariable stars. There is also a pretty cluster near Beta(P) in Ophiuchus, see [288]. To the double stars already listed, add the Gamma(7) [333] of Piscis AuSTRiNUS; the Pi (it) [79] of
A beginner's star-book; an easy guide to the stars and to the astronomical uses of the opera-glass, the field-glass and the telescope . ; M 27 [427] in Vul-pecula, forming an acute triangle with the Eta (ti)and Gamma (7) of Sagitta; M 15 [303], in line with theTheta (9) and Epsilon («) of Pegasus; and—far westward—M 5 [371] in Serpens, called a variable clusterbecause in it; have been detected more than a hundredvariable stars. There is also a pretty cluster near Beta(P) in Ophiuchus, see [288]. To the double stars already listed, add the Gamma(7) [333] of Piscis AuSTRiNUS; the Pi (it) [79] of ; the Epsilon (e) [302] of Pegasus; the Alpha(a) [156] of Delphinus; 77 [152] in Cygnus; Mu {y.)[203], p5 [205], and Rho (p) [204] and Gamma (7) [208]in Hercules; Iota (v) [248] in Libra; and Epsilon («)[42] in Bootes. The last may require a telescope ofslightly larger aperture. Such may also prove necessarywith Vega in Lyra [261] and Antares [351] in track of the planets, see p. 80, passes here throughVirgo, Libra, Scorpius, Sagittarius, Capricornus,Aquarius, and Pisces. 58 a Beginners Star*36oof^. NIGHT-CHART TO THE SKY AS THE OBSERVER FACES NORTH. NOV. 1, 8 , OCT. 15, 9 , OCT. 1, 10 , SEPT. IS, 11 , SEPT. 1, 12 FOR \P TO THIS CHART SEE OPPOSITE P.^GE. FOR THE SKY -AS THE OBSERVER F.\CES SOUTH, SEE PP. 60, 6l. For the sky at other Dates and Hours see Time Schedule, p. 35. The Constellations. For the Telescopic Objects See the Page Opposite. The numbers in brackets [ ] refer to corresponding numbered notes in Observers Catalogue, p. Ii6. The Great Dipper is now directly before us, low in thesky, as we face due north. From the diagram on p. 23,we may see that, in its revolution round the Pole of theheavens, it has passed from position A to position B;from B to C; from C to D; and is now almost at positionA again. These seven stars are but the brighter partof the constellation Ursa Major, the Be,\r[400]. Two of t
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Keywords: ., bookcentury1900, bookdecade19, booksubjectastronomy, bookyear1912
