This map unfolds the entire night sky from sunset (at right) until sunrise (at left).
Arrows and colored dots show motions and locations of solar system objects during the month.
Jupiter’s moons
Io
Europa
S
WE
N
Ganymede
Callisto
ILLUSTRATIONS BY
ASTRONOMY
: ROEN KELLY
PER
AUR
ORI
LYN
GEM
CNC
CMi
CMa
MON
ANT PYX
CRT
HYA
SEX
LEO
LMi
UMa
CRV
COM
CV
TAU
ERI FOR
LEP
PUP COL CAE
Objects visible in the evening
Early evening
Sun
Ceres Venus
Path
of^ th
e^ Sun
(eclip
tic)^
25 24 23 22 21 20 19 18 17 16 15
1 2 3 4 5 6 7 8 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Callisto
Europa
Ganymede
Io
Jupiter
Ceres
Mars
Mercury
Earth
Uranus
Saturn
Pluto
Venus
Jupiter
Neptune
Jupiter
Opposition is May 8
WWW.ASTRONOMY.COM 41
Dots display positions
of Galilean satellites at
11 P.M. EDT on the date
shown. South is at the
top to match
the view
through a
telescope.
To locate the Moon in the sky, draw a line from the phase shown for the day straight up to the curved blue line.
Note: Moons vary in size due to the distance from Earth and are shown at 0h Universal Time.
The planets
in their orbits
Arrows show the inner planets’
monthly motions and dots
depict the outer planets’ posi-
tions at midmonth from high
above their orbits.