Astronomy - USA (2020-01)

AQL

LY R

CYG

VUL

SGE

EQU

LAC

AQR

AND

TRI

ARI

PER

PEG

PSC

CET

SCL

FOR

ERI

DEL

SGR

SCT

SER

CAP

MIC

PsA

Sun

Early evening

Uranus

Neptune

Venu

s M

ercur

y

Venus passes 0.08° south

of Neptune on January 27

Vesta

Comet

PanSTARRS

7 6 5 4 3 2 1

31 30 29 28 27 26 25 24 23

Callisto

Europa

Ganymede

Io

Jupiter

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

10"

N

S

WE

Jupiter

Uranus

Saturn

Neptune Pluto

Io

Ganymede

Europa

Callisto

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

Dots display

positions of

Galilean satellites

at 7 A.M. EST on

the date shown.

South is at the

top to match the

view through a

telescope.

January 2020

Jan. 15

1.5

4.5"

95%

2.081

1.574

16h23.2m

–21°21'

Jan. 15

8.8

0.3"

100%

3.903

2.923

19h43.5m

–25°41'

Jan. 31

–1.9

32.5"

100%

6.074

5.217

18h57.3m

–22°45'

Jan. 31

0.6

15.1"

100%

10.976

10.031

19h46.3m

–21°10'

Jan. 15

5.8

3.6"

100%

19.650

19.817

2h01.4m

11°50'

Jan. 15

7. 9
   2.2"
   100%
   30.524
   29.933
   23h11.2m
   –6°21'

Jan. 15

14.7

0.1"

100%

34.943

33.960

19h38.0m

–22°13'

MARS CERES JUPITER SATURN URANUS NEPTUNE PLUTO