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. ALTAIR. 'Mean Sun Time. Date Rises Passes Meridian Sets yee 4 GHA ACM, lees ieee FAVE M Feb.' 1.; 4:34A,M.. . meee SE POM Mae, 1.0734 As Me aan co tit ees 34 Wor Ts ASF ALS ie eet sce ewe wien es lay. 1. 10:34PM. 5:09 A.M. iesieee es June ¥, 8:34P.M. 3:09A.M, «+ 5e--5- S Waly 1.,° 6:34 P.M. 109 AM ie wie ees Rie Lites cae) 60534 11:09 A.M. 5:44 A.M. Bev ies ees . 9:09P.M. 3:44A.M. Oct. o1.5 ; 7:09P.M. 1:44A.M. Maye Pu es 09 PM. 11:44 P. M. Wem tee iat Pe ea eee 9:44 P.M. Note--Blank spaces indicate daylight. SIRIUS. Mean Sun Time. Date Risés Passes Meridian Sets Jen, 1., 7:11 P.M. 12:02A,M. 4:553A.M Hep. 1... 5:11 P.M, . 02P.M. 2:53: A. M. Mar ee ees ee 8202 Pi Me 22533 Ar MM, AD a oes eas 6:02 P.M. 10:53 P.M. May ls. sce Ge res Cee B58"; M ME ee ees ee eo ere nie > Duly 3 ie: ee i OE re yey e acece ia eck OT so eee s e einen ale 6 Geet inite es Bent; to. Sl AME eects eee sew eines et 1 Td AM ee ee ee oe aes Now 1, 11:11 P.M... 4:02 A.M. 4. se ae Meo 1.6. 911 P.M O02 Ac Wie ens. « Note--Blank spaces indicate daylight. PROCYON, Mean Sun Time. Date Rises Passes Meridian Sets Tao. el, 6:83 P.M 12:55AM. oe ees MED folie freee ees «10:55. P.M, 5317 AM. Mare ae ie ess 8:55 P.M. 3:17 A.M. AB ee an 6355 PM. 1:17 A.M. MI ol a eye cues vetiels © V1217 P.M. Mite celine os Gye sles eo eee wos 9:17 P. M. iy le ce eee las 7:17 P.M. ne dy ASS AMG cei ces sin ieee ee Sentt i Sos AM ieee cee ae eve gs os Mot (1...12:33 AM, 7 6555 A.M. 2... INOw 1010783 Mie 455 ALM ee. ees. Deo st.) Sigs Mi 2:55 ALM. 2 lee. ee. Note--Blan k spaces indicate daylight. POLLUX. Mean Sun Time. Date Rises Passes Meridian Sets PAG le se wae os ; M00 AccMe <= sey seeks MOD Sol ee vee ce sees 11:00 P.M. 7:10 A.M. Mat le eee 9:00 P.M. 5:10 A.M. ORT CL es ister ia kines 7200.2. M3510 A. W. Dd Gee eg Cee ee ve e's 1:10 A. M. MG ee cee 5G ke Re cticle's oi 11210 Pom. Maly so AO ALM. ts, 9:10 P. M. mee 1 20 AM ecg ose eae cess ert bo Les Me hee usin sie eee et 1.) 10 50ers Me 700A, Mi eee. Mor 6 50re Ma - Ss00tA CMe ieee Dees, Oi508b. Mie 300A Me 8 locas -Note--Blank spaces indicate daylight. REGULUS. Mean Sun Time. Date Rises Passes Meridian Sets Nete do 28138. Pee 3:24. A, Mey ia Feb. 1 6263 Pi 2384 AM oe Mate. aa a ass 12524 ASME bee ee es PAGE lia aie s sac ok 10:24 BM. 5315 A.-M. Ma decigh oo wien paneer t 8:24°P. M. 3:15 A. M. uit 6 ees les es 6:24P.M. 1:15 A.M. Ma ee waive gs os 11:15 P. M. Age. 1 6533 AWM beeen. 9:15 P. M. Sept. 1. ASO NS lee fess ons 7515)PMe Ooty 1 Diao NM ey lo oe Oe wee gers Nov. his 12 30 AM 7524 AM ee: Dee 175° 10333' Py MM, . Bid AS Me ee ae Note--Blank spaces indicate daylight. ANTARES. Mean Sun Time. Date Rises Passes Meridian Sets dane. + 4ad Aa Mee ee ae ee Weblo edd AM ei ake sae bee oun) Maro. lord Ac M. eas AN ee Apr. 10141 PoM.: «2143 ACM. May 1.. 8:41 P.M. 12:43P.M. 4:45 A.M. MOOS Lie nes al ek 6 10:43 P.M. 2:45 A.M. I hele ees 8:43 P.M. 12:45 A. M, AM ere eka Cine 6:43-P. M. 10:45 P. M. Bettie. ies ores tee Bee oes 8:45 P. M. ee a 6:45 P. M. UNG Lr reg eer y is re haa Samu ar gin Ann tag fal WG ccs pee laig eo srere © Meueiinrerp Cte oe he ache ars Note--Blank spaces indicate daylight. The Stars We Can Use Each Month. January-- Antares Aldebaran Altair Rigel July-- Betelgerz Regulus Sirius . Spica THe Marine REVIEW Procyon Arcturus Pollux Antares Regulus Altair Spica August-- Arcturus Spica February-- Arcturus Aldebaran Altair Rigel Aldebaran Betelgerz September-- Sirius Arcturus Procyon Altair Pollux Aldebaran Regulus Rigel Spica Betelgerz Arcturus , Sirius March-- Procyon Aldebaran Pollux Rigel October-- Betelgerz Altair Sirius Aldebaran Procyon 'Rigel Pollux Betelgerz Regulus Sirius Sipica Procyon Arcturus Pollux April-- Regulus Rigel Arcturus -- Sirius November-- Procyon Altair | Pollux Aldebaran Regulus Rigel. . Spica Betelgerz Arcturus Sirius Antares Procyon Altair Pollux May-- Regulus Sirius Arcturus Procyon Spica Pollux December-- Regulus Altair Spica Aldebaran Arcturus Rigel Antares Betelgerz Altair Sirius June-- Procyon Regulus Pollux Spica Regulus Arcturus Arcturus Rigel, Betelgerz and Sirius. The constellation Orion is one of the most conspicuous constellations 'in the heavens and one'needs to be shown it but once and it is never forgotten. It rises in the southeast and sets in the southwest. It contains more bright stars than any other single group, two of them being the stars that we use, Rigel and Betelgerz. And just below this constellation and a little to the left we find the brightest star in the heavens--Sirius. The constellation Orion is so conspicuous that we can use it to find several other of our "navigational stars, such as Aldebaran, Procyon and Pollux. Fig. 48 shows the constellation Orion in the southeastern sky, . Fic. 48, You need no range to find the con- stellation Orion. Look in your list for the times of rising of Rigel and, Betel- gerz and you will know when to ex- peet it, ix BETELGUESE \ ee \ =~ ~ \ a \ I \ / \ i \ } \ i \ ; \ o* eee Viunz \ Ci) \ fe \ ie \ S san We \ ee ! \ GA ! / o RIEL. * ake Xue AE a ee, oa aes FIG. 49, The constellation Orion looks like Fig. 49 when on the meridian. The three stars in the center point to Sirius below. It might 'be interesting to know that the celestial equator passes about mid- way between Betelgerz and Rigel. Therefore Betelgerz is in north declin- ation and Rigel is in south declination. The constellation Orion is of no use to the lake navigator until the fall months as it is above the horizon only in daylight. On August 1 its first star rises shortly before 3 a. m. On Sept. 1 it rises shortly after midnight and after that these stars are the brightest that you can find and can be used until morning, Aldebaran. During the months of May and June Aldebaran is above the horizon only in the daytime. July 1 he rises at 2:44 a. m., and thetefore can be used for 4 short time before daylight. There is a cluster of very small stars in the sky that many people call the little dipper, but which astrono- mers call the Pleiades. If you hap- pen to know where this little dipper 1s you will have no trouble in locating Aldebaran. Fig, 50 shows how Alde-