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

CONSTl ifrAT'IONS. 285
of four stars of the tll urth magnitude, of nearly uniform appearatlce; and about 1.5" S. E. of these is tlle H.ieart (r(Oc J /ydra.),
230~ south of Reglus. esti Iydra, anl soutll of tle
tl> ~.'> lydra,, aid s-o of the
hind feet of jeo, is (irazteir (thle Cuip), comsistting of six stars of
the fotlrthl manitude arl'ranlled ill tile formi of a semlicirl(le;
and a little furthler east, also peilched oin tile black of:Itlydra, is
Cor'vus (tile Cr'owt), tlhe two brightest compolnenlts of whlichl are
situated iln olle of the willn.s of tile figure, ill a line 10between\
Crater an1( Spieat Virginis.
4-1 7. According to an ilntimation given in a note oln p. 274,
the constellations may be advantcag ously studied at fomir different periods of the year, as near tile equinoxes and thle solstitccs actcordinl to the followino dilrections. The latittude supposed is 4-1.
1]1,sso I^.- -I.l'or tlle middle of Set)tember, fiom 8 to 10 o'clock.
At 8 o'clo k Scorpio is near setting in tile S. W., Antares )eilng
10~ hihll. Iihlle bow of Sagittarius is seell oil tlhe easterti marginl of thel MAilky Way, the arrow being' directed to a lpoilt a
little b)elow Antares. At 9 o'clock, the horns of the (C"oat. come
upon thle lieridian; anltd at -10 o'clock, thle western shoult le of
Aquarius. The other shoulder, lId tlhe figure Y ill thei ar,
may also be easily found from thle descril)tioll givenll o 1p. 2;
also, tlte P.'enltat'lon in 1Pisces, and Fomahtattlaut (t le Soutllernll
-Fis), a solitary 1bright star far in the southl, only 1160 above
thle horiizoln.'the ]cead of Aries appears in til eaist, and thle
P lceiades are blit little above thie hlorizonl, wllile Aldebaran is
just rising. eturntlll1ling, now to thle west (at:10 o'clock), tilhe
Crown is seeC1n a little nortl of vwest, about 200 highl; JLyra is
300 west of tle zelith tle Swant is nearly overllead a11 tfbllowing down tile ilkAry Way, tile E:agle is seen on its eastern
margin over against Lyra' ol the westernt; atd tla e II)oll)phlin, a
little east;ward of tle lEagl, ald as far above the horns of ('apricornus, as thle latter are above the soutlhcrn horizon. llowing o eCast of the mlridian, tile great square in'eglrasils mlay
next l)e identified; and since the northeastern corner of tiho
square is in thle Iead of Alndromedla, t]his constellationl mai'ty
next be learned; and then ".Pers1 u l al(nd Aurigal, whlich a )1)eat'
still furtherll east. Directly lorthl of'Perse1s, is C(:lssilopeli's