Sky & Telescope - January 2020 - SA1

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Moon

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M AY
JUNE

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123

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AUGU

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wilight
evening t

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7 p.m.
Conjunction
(appulse)

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Southern
Taurids

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Aquariids

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Julian day 2,459,000+

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22

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Computed by Roger W. Sinnott

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21

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OCT

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Equation
of time

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er

Mar 21 Mars is 0.8° right of Jupiter
Mar 24 Mercury is 28° west of the Sun
Apr 1 Mars is 0.9° above right of
Saturn
Apr 4 Neptune is 1.4° north of Mercury
Jun 6 Weak penumbral lunar eclipse for
Australia before dawn, and for
southern Africa this evening
Jun 14 Neptune is 1.6° northwest of Mars
Jun 21 Winter begins at the solstice, 7:44
a.m. EST
Jul 1 Latest sunrise
Jul 4 Latest onset of morning twilight
Jul 12 Aldebaran is 1° upper right of Venus
Jul 23 Mercury is 20° west of the Sun
Aug 13 Venus lies 46° west of the Sun
Oct 3 Regulus is 0.2° lower right of Venus
Nov 11 Mercury stands 20° west of the Sun
Dec 3 Earliest sunrise
Dec 8 Earliest morning twilight

A

13

8

27

4

6

ing
morn
t of
Star

M

MORNING SKY

5 a.m.

7

S ets

Sunset

M AY

4

Sunris

in
an s i t
si
Jan 4 Latest twilight of the year at latitude
m
Tr
an
P
an
2
ul
30° south
Tr
4
12
C
Tr
s
M
Rise
e
a
C
Jan 5 Earth is 147,091,144 km from the
ad
ul
s
ei
LM
eb p u
Sun (perihelion) at 5:48 p.m. EST
19
Pl
N
o
n
n
a
Jan 10 Deep penumbral eclipse of the Moon for
rio C
O
26
Asia and most of Africa; latest sunset
A
Set
Jan 27 Neptune is 0.5° northeast of Venus
2
Feb 10 Mercury attains greatest elongation,
ts
ts
P
18° east of the Sun
Se
9
Se
Mar 8 Uranus is 2.2° southeast of Venus
Rise
u
ts
e
16 e r c
Mar 20 Fall begins at the equinox,
us
si
n
n
n
M
a
tu
13:50 p.m. EST
ra
Tr
U
ep
23
Mar 24 Venus stands 46° east of the Sun
N
A
May 22 Mercury is 0.9° to upper left
1
us
Set
of Venus
ri
Si
Jun 4 Mercury is 24° east of the Sun
es
8
s
i
P
R
Jun 7 Earliest end of evening twilight
Rise
15
Jun 10 Earliest sunset
es
ar
t
Jun 21 Annular eclipse of the Sun in
n
22
A
a narrow path from central
A
Africa to southern Asia,
29
Set
China, and the western
h
Paciﬁc; shortest day, 10
5
13m at latitude 30° south
Rise
Jul 4 Slight penumbral eclipse
12
of the Moon around
s
it
midnight tonight for
19
ns
a
South America; Earth
Tr
s
is 152,095,295 km
s
26
ro
Set
from the Sun
C
n
r
(aphelion) at
3
he
9:35 p.m. EST
ut
o
S
Jul 14 Jupiter comes to
10
Rise
opposition
es
17
is
Jul 20 Saturn reaches
R
r
opposition
te
i
24
p
Sep 11 Neptune is at
Set
Ju
opposition
31
Sep 22 Spica is 0.3°
upper left
7
Rise
of Mercury;
spring begins
14
at the equinox,
11:31 p.m. EST
21
Set
Oct 1 Mercury is 26°
east of the Sun
28
Oct 6 Mars is nearest
5
Earth, showing a
Rise
disk 22.6″ across
12
Oct 13 Mars comes to
opposition tonight
19
Oct 31 Uranus is at
Set
P
opposition
26
Nov 30 Penumbral lunar
eclipse for Australia
2
this evening, and for
Rise
A
South America this
9
morning
16
Dec 14 Total eclipse of the Sun
es
M
P
in a path from the
is
er
Set
R
cu
23
central Paciﬁc Ocean
ry
us
across Chile and
an
S
r
30
Argentina and into
et
U
the South Atlantic
A
6
Dec 21 Saturn and Jupiter are
Rise
0.1° apart, their ﬁrst
13
conjunction in 20 years;
P
longest day, 14h 05m;
20
summer begins at the
Set
solstice, 8:02 p.m. EST

J A N U A RY

Midnight

light

s

A

NOVEMB

at

t

its

BER
DECEM

11
es

morn
ing tw
i

10

Sunrise

5

849

9

A SUPPLEMENT TO SK Y & TELESCOPE

ry
cu es
er is
M R

Julian day 2,458,000+

8

Sa
t
Se ur n
ts

7 p.m.

EVENING SKY

MORNING

Y

EVENING

2020
UAR

FOR L ATITUDES
S
NE AR 30° SOUTH

JAN

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Sky & Telescope - January 2020

Table of Contents for the Digital Edition of Sky & Telescope - January 2020
