The Solar System

614 APPENDIX B

Sept Aug

July

June

May

8 h

11 h

(^12) h
(^13) h
10 h 7 h 6 h^5 h
4 h
3 h
9 h
Equa
Equato tor
r
Ecliptic
Eclipt
ic
Milky Way
d
DoubleCluster
Betelgeuse
Procyon
Milky Way
Equino
x
Autum
nal
Leo Minor
MajorUrsa
MinorUrsa
Draco
Polaris
DipperLittle
Big
Dipper
Leo
CancerBeehive
Gemini
Pollux
Castor Pleiades
Auriga
Capella
Taurus
Aldebaran
Cepheus
Cassiopeia
d
Perseus TriangulumAries
Algol
DoubleCluster
M31 Andromeda
Eridanus
Lepus
Betelgeuse Orion
M42Rigel
CanisMajor
Sirius
CanisMinor
Procyon
Regulus
Hydra
Corvus
Virgo
Bootes
Arcturus
Cetus
Southern Horizon
Northern Horizon
Eastern Horizon
Western Horizon
MARCH
Early in Month
Midmonth
End of Month
Months along the ecliptic show the
location of the sun during the year.
Numbers along the celestial equator
show right ascension.
Northern
Hemisphere Sky
9 P.M.
8 P.M.
7 P.M.
10 h
13 h
(^14) h
(^15) h
12 h 9 h 8 h^7
h
6 h
5 h
Sept 11 h
Aug
July
June
Equ
Equator ator
Ecliptic Oct
Eclip
tic
Milky Way
Procyon
Betelgeuse
DoubleCluster
Milky Way
MajorUrsa
MinorUrsa
Draco Polaris
DipperLittle
Big
Dipper
CepheusCassiopeia
δδ
Arcturus
Leo Minor
BorealisCoronaBootes
Leo
CancerBeehiveGemini
Pollux
Castor
Regulus CanisMinorProcyon
Pleiades
Auriga
Capella
Aldebaran
Perseus
Algol
Orion
Betelgeuse
M42 Rigel
CanisMajor
Sirius
Hydra
Corvus
Virgo
Spica
Hercules
M13
DoubleCluster
EAuqutuinmonxal
Taurus
Southern Horizon
Northern Horizon
Eastern Horizon
Western Horizon
APRIL
Early in Month
Midmonth
End of Month
Months along the ecliptic show the
location of the sun during the year.
Numbers along the celestial equator
show right ascension.
Northern
Hemisphere Sky
9 P.M.
8 P.M.
7 P.M.