The Solar System

618 APPENDIX B

Jun

e

May

April

Aug

Feb Jan

0 h

3 h

4 h

2 h 23 h 22 h^21

h^20

h

19 h

1 h

(^5) h Equ
ator
Ecliptic
March
Equinox
Milky WayMilky Way
UrsaMajor
UrsaMinor
Polaris Little DipperDraco
Big Dipper
Hercules
M13
Vega
Lyra
Altair Aquila
δ Deneb
Betelgeuse ClusterDouble
Altair
Delphinus
Deneb Cygnus
Cassiopeia
Cepheus
ClusterDouble δ
Pegasus
AndromedaM31
Aries
Triangulum
Perseus
Algol
Gemini
PolluxCastor
Pleiades
Auriga
Capella
Taurus
Aldebaran
Orion
Betelgeuse
Rigel
M42
Pisces
Aquarius
Capricornus
Cetus
Mira
Fomalhaut AustrinusPiscis
Eridanus
Southern Horizon
Northern Horizon
Eastern Horizon
Western Horizon
NOVEMBER
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.
July
June
May
April
2 h Feb
5 h
6 h
(^7) h
4 h 1 h 0 h^23
h
22 h
21 h
3 h
Equa
Equato tor
r
March
Equinox
DoubleCluster δ Deneb Milky Way
Betelgeuse
Milky Way
Ursa
Major
Draco
Big Dipper
Cepheus
Cassiopeiaδ
Perseus
Algol
DoubleCluster
UrsaMinor
Little
Polaris Dipper
VegaLyra
Cygnus
Deneb
Pegasus
Andromeda
M31
Aries
Triangulum
Gemini
Pollux
Pleiades
Auriga
Capella
Taurus
Aldebaran
Castor
Pisces
Cetus Aquarius
Mira
Fomalhaut
Lepus Eridanus AustrinusPiscis
Orion
Betelgeuse
Rigel
M42
Procyon
Sirius
CanisMinor Delphinus
Eclip
tic
Southern Horizon
Northern Horizon
Eastern Horizon
Western Horizon
DECEMBER
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.