An introduction to astronomy: designed as a text-book for the use of students in college. By Denison Olmsted ...

280} IIXEIc) STA I S.
chair; an1d next to that; we may take the.Pole -star, thFe Little
3Bear, andIc thle Gcat B1car, the D/r/pp/r only being traced fior
the pr'esent.,l' Commencing now at the tail of the Il)ragon, w\
mlay trace round tthis ftigur between thlt two clBears to tlhe Itcad,
whlichl Ibrilgs us Uback to ]iLyra and the hlead of Hericulets.''The
boundaries of tllis constellation, and of Ophulllchus, whllich lies
south of it, will end the first lesson.
E:zJ}ssox It.-.-.tel.or thle middle of Decembei,) fiolnm 7 to 1.0 o'clock.
Of tihe constellations of tlhe Zodiac, Tlaurus and (;emini are
nlow favol rably situatedl for obsclrvation in thle east:..At 7 o'clock,
the tail of Cetus just reaches tle merildilan, its h}ead being scen
be:low the feet of Aries. Orion is just risen in thle S. E. At
9 o'clock, just above tll western lhorizon, are seen in succession
froml south to n1orthl, Aquariuls, tie I)olphin, thle agIc, tlhe
I1yr, aid tlle T)Dragoon's h tead. lBetween tlhe Eagle tnd tile
1Ly', at a; little hligher altitude, we perceive thle Swani, flying
(ircatl d( l\ownward.:t\\weCn te tail of the Stwan andl tire
1olke-star, is Cephleus; and from the p)ole, alongl thle nrtcidiin,
-we trl'ace Cassiopeia, the feet of Andromi(ileda, th-le head of Aries,
and tihe neck of the Whliale. At 110 o'clock, 1 P1c erscus IIas retcclhed
the meridian, tlhe star A.Ilgol, in the head of biMieslsa, bcitng directly overhead. Th.' Ile iades are but little east\ward of thle
zenlit I; andl ftllotl lolng souttlh firoml the p)ole, at thle intervai of firotl onlle to two lhouls east of tlhe meridianl, wtte lnay
triae in su\ccession, Camelopard, A.tiga, Taultrus, Orion, and
the il tare. I'Turning' along tfe eastern horizon, we fil(d C(aniis
[Majol, TMolloceros, C(anils lil[noi, the headl of Iytlra (just rising),
Cance',.Leo, the sick le just, appeatrincgy about 30 nortlh of thel
east point. Leo Mirlor ant lmUl.d R IatMatjor complete tile survey;
andl \we ilmaty now advantatt eously trace out tlhe various pal'ts
of tile G(lreat lBel'r, as dcseilhcd onl p. 278; the two staris composing its lhindmo-st paw beinot scarcely above the horizon.
]:LissoXN 11f.. —:'l.or the midldle of.J2/arcA, fi'on1 8 to:10 o'clock.
At 8 o'clock, we see the Twins nearly overllcad, and i.roeylon
and Sirius, at (dliterent intervals, toward thi soutth. Alonll tht
west. we recognize the neckl and }head of tlhe wvhlale, thle lhead of
Aries, and the iceal of oAndromeda; next tabove tlhes, ()lrion,
T'laurus, Il.erselus, Cassiopeia, and Cephelus; and north of tho