The Solar System

616 APPENDIX B

Jan

Dec

Nov

Sep

t

Aug

16 h

19 h

(^20) h
18 h 15 h 14 h^13 h
12 h
11 h
17 h
(^21) h Equ
Equator ator
Equino
Autumnax
l
Solstice
Ec
lipt
ic
Milky Way
δ
Deneb
Antares
Milky Way
MinorUrsa
Draco
Little Dipper
Big Dipper
Leo Minor
Arcturus
Bootes
Cassiopeia
δ Cepheus
Cygnus
Vega
Lyra
Polaris
UrsaMajor
M13
Serpens
Ophiuchus
Hercules
Aquila
Altair
Delphinus BorealisCorona
Pegasus
Deneb
Leo
Corvus
Virgo
Spica
Antares
Scorpius
Regulus
Libra
Sagittarius
Serpens
Eclipt
ic
Oct
Southern Horizon
Northern Horizon
Eastern Horizon
Western Horizon
JULY
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.
Ecli
ptic
Feb
Jan
Dec
Nov
Ecl
ipti
c
18 h
21 h
(^22) h
20 h 17 h 16 h^15
h
14 h
13 h
19 h
(^23) h
Equa
Equator tor
Oct
Milky Way
δ
Altair
Deneb
ClusterDouble
Antares
Milky Way
Cassiopeia
Cepheus
δ
CygnusVega
Lyra
Aquila
Altair
Delphinus
Deneb
ClusterDouble
Pegasus
Andromeda
M31 MinorUrsa
Draco
Little Dipper
Big Dipper
Leo Minor
Polaris
UrsaMajor
Bootes Arcturus
HerculesM13
BorealisCorona
Ophiuchus Serpens
Virgo
Spica
Antares
Scorpius
Libra
Capricornus Solstice
Aquarius
Sagittarius
Perseus
Serpens
Southern Horizon
Northern Horizon
Eastern Horizon
Western Horizon
AUGUST
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.