Sky & Telescope - January 2021 - SA1
2021
4
P
r
te
ts
RY
8
es
12
is
R
A
u
tu
rn
ha
ta
n
15
14
N
ep
t
R
e
un
is
22
29
5
es
12
19
26
Eta
Aquariids
3
15
17
ts
M AY
335
10 A
16
Se
24
es
P
is
31
U
488
P
Southern
Taurids
1
u
an
Sa
tu
OCTO
P
3
D
Greatest
elongation
C
5
C
s
pu
Si
6
Greatest illuminated extent
9
Opposition
10
11
New
Moon
Midnight
First
Quarter
Full
Moon
1
a
Tr
n
O
n
ra
ri
on
N
eb
ul
a
M
Tr
42
t s Leonids
si
s
et
R
i
A
nt
A Apogee
a
P Perigee
27
18
s
se
s
re
3
4
JUNE
J U LY
BER
TEM
20
s
11
25
1
8
15
22
29
6
13
A
us
it
4
Orionids
s
iu
2
Last
Quarter
Se
ts
s
S
Rise
it
r
Geminids
U
8
r
ns
s
es
ne
tu its
N Tr
o
an
i
i
t
na
a
Tr
e
ad
ite
t
Se
s
ep an
P
ry
cu
er Sets
M
R
ECEMBE
549
E
NOV
4
Set
le
ts
s
an
s
Northern
Taurids
Rise
7 p.m.
Conjunction
(appulse)
Sun
fast
A
Sunset
26
LM
m
13
Rise
R
MBE
Set
C
ul
6
ts
M e rc u r y
519
A
Se
rn
p
Ju
Rise
i
ns
s
P
2
16
30
BER
Set
r
9
SEP
A
2
23
a
Tr
Rise
es
26
R
al
e
C
ic
u
at
19
OBE
SE
Sm
ag
n
lla
l
C
d
ou
in
P
OCT
458
ER
PTEMB
ry
cu
ts
23
lM
P
24
twilight
19
Feb 6 Saturn is 0.7° below Venus
on the 6th, and 0.7° above
26
left of Venus on the 7th
Feb 12 Jupiter is 0.5° left of Venus,
3
but they are so low you may
need binoculars
10
Mar 5 Mercury is 0.5° left of Jupiter
on the 5th, 0.5° below it
17
on the 6th
Mar 7 Mercury is 27° west of the Sun
24
Mar 30 Neptune is 1.5° north of Mercury
31
on the 30th, 1.5° northwest of
it on the 31st
7
Jul 1 Latest sunrise of the year
Jul 4 Latest onset of morning twilight
14
Jul 5 Mercury is 22° west of the Sun
21
Jul 6 Earth is 152,100,527 km from the
Sun (aphelion) at 8:27 a.m. AEST
28
Sep 23 Spring begins at the equinox,
5:21 a.m. AEST
5
Oct 25 Mercury is 18° west of the Sun
Dec 3 Earliest sunrise at latitude 30° south
12
Dec 9 Earliest onset of morning twilight
19
Dec 22 Summer begins at the solstice,
1:59 a.m. AEST
A
R
lm
12
cu
ry
s
ER
us
A
S
i
ir
i
s
se
ts
20
NOVEMB
427
UGUST
s
Set
22
er
12
tu
A
21
P
Set
ep
i
ns
UST
396
J U LY
N
a
Tr
ne
5
es
se
Delta
Aquariids
el
is
er
20
ig
R
28
Ri
R
A
21
P
mornin
g twilight
p
Ju
a
Tr
ts
Start
of
19
r
ite
i
ns
BER
DECEM
tu
rn
Sunrise
Sa
14
its
Ma
rs R
ise
s
366
JUNE
Tr
18
s
an
M
us
Ven
M
Se
evening
En d o f
MORNING SKY
7
A
Ju
pi
17
AUG
te
r
R
y
M AY
APR
Sa
Ma
rs
13
lp
C
en
a
Tr
ri
ts
si
H
Sun
slow
Set
s
of
End
1
11
twil
ight
eve
ning
22
Equation
of time
MARC
RUA
15
APRIL
pi
Ju
246
8
10
FEB
27 4
H
1
s
se
Ri
ry
rcu
RC
e
25
Me
MA
18
ht
305
11
twilig
IL
4
Sunris
8
A
5 a.m.
s
ise
g
ornin
of m
Sunset
Sa
3
7
a
Jan 2 Earth is 147,093,163 km from the Sun
Tr
ts
10
s
ts nsi
e
(perihelion) at 11:51 p.m. AEST
e
d
a
S Tra
Set
ei
Jan 3 Latest end of evening twilight
Pl
17
s
e pus
e
Jan 9 Latest sunset
at
un no
t
n
a
i
ts
24
Jan 11 Mercury is 1.5° above left of Jupiter,
si
ep C
lm
n
u
N
with Saturn 2.3° to lower left of each
a
C
Tr
Se
(use binoculars)
31
Rise
P
y
r
C
9
s
Jan 20 Uranus is 1.6° south of Mars
cu
LM
ir u
7 Mer
i
Jan 24 Mercury is 19° east of the Sun
S
ts
Se
Mar 20 Fall begins at the equinox,
14
Set
ts
A
7:37 p.m. AEST
si
s
an
r
nu
T
May 17 Mercury is 22° east of the Sun
21
a
r
42
U
May 26 A barely total lunar eclipse for the
M
a
l
28
u
Pacific Ocean and Rim, including
P
eb
Rise
N
Australia, with maximum at
n
o
7
11:19 UT
ri
O
May 29 Mercury is 0.5° left of Venus,
14
but low - use binoculars
A
Set
Jun 7 Earliest end of evening twilight
21
Jun 10 Earliest sunset; annular solar
es
is
eclipse in a path across the
28
R
P
Arctic Ocean
Rise
s
4
re
Jun 21 Shortest day, 10h 13m at
ta
n
latitude 30° south; winter
A
11
begins at the solstice,
A
1:32 p.m. AEST
Set
s
18
it
Jul 13 Mars is 0.5° above
ns
a
r
left of Venus
T
25
ss
Jul 22 Venus and Regulus
o
r
Rise
P
C
are 2.2° apart
2
rn
e
Jul 30 Mars and Regulus
h
ut
are 0.6° apart
9
So
A
Aug 2 Saturn is at
Set
16
opposition tonight
Aug 19 Mercury is just
23
0.2° above Mars
P
this evening;
Rise
30
Jupiter is at
r
cu
opposition tonight
er
6
M
Sep 5 Venus and Spica
are 1.7° apart
13
Set
tonight and
tomorrow
20
Sep 14 Mercury is 27°
east of the Sun;
27
Rise
Neptune is at
opposition tonight
4
Oct 16 Venus and Antares
11
are 1.5° apart
Set
tonight and
18
tomorrow
Oct 29 Venus is 47° east
Alpha
25
of the Sun
Capricornids
Rise
Nov 4 Uranus is at
1
opposition tonight
Nov 19 Partial lunar eclipse
8
for Australia (at
Set
nightfall), the Pacific
15
Ocean, and South
America (near dawn)
22
es
Dec 4 Total solar eclipse in a
Rise
is
R
path across Antarctica
29
us
Dec 22 Longest day, 14h 05m
n
ra
5
at latitude 30° south
U
J A N U A RY
2
Y
Rise
ns
1
UAR
Midnight
SOU TH
FEBR
11
3 0°
Y
10
it
ts
t
S eu r n
ts
215
9
NE A R
MORNING
R
us
Ven
3
L AT I TUDES
Start
Julian day 2,459,000+
8
Se
7 p.m.
EVENING SKY
FOR
A SUPPLEMENT TO SK Y & TELESCOPE
UAR
EVENING
JAN
Skygazer's
Almanac 30°S
27
Computed by Roger W. Sinnott
Sky & Telescope
One Alewife Center
Suite 300B
Cambridge, MA
02140, USA
5 a.m.
Waxing
(moonset)
Waning
(moonrise)
Sky & Telescope - January 2021
Table of Contents for the Digital Edition of Sky & Telescope - January 2021
Contents
Sky & Telescope - January 2021 - Cover1
Sky & Telescope - January 2021 - Cover2
Sky & Telescope - January 2021 - 1
Sky & Telescope - January 2021 - Contents
Sky & Telescope - January 2021 - 3
Sky & Telescope - January 2021 - 4
Sky & Telescope - January 2021 - 5
Sky & Telescope - January 2021 - 6
Sky & Telescope - January 2021 - 7
Sky & Telescope - January 2021 - 8
Sky & Telescope - January 2021 - 9
Sky & Telescope - January 2021 - 10
Sky & Telescope - January 2021 - 11
Sky & Telescope - January 2021 - 12
Sky & Telescope - January 2021 - 13
Sky & Telescope - January 2021 - 14
Sky & Telescope - January 2021 - 15
Sky & Telescope - January 2021 - 16
Sky & Telescope - January 2021 - 17
Sky & Telescope - January 2021 - 18
Sky & Telescope - January 2021 - 19
Sky & Telescope - January 2021 - 20
Sky & Telescope - January 2021 - 21
Sky & Telescope - January 2021 - 22
Sky & Telescope - January 2021 - 23
Sky & Telescope - January 2021 - 24
Sky & Telescope - January 2021 - 25
Sky & Telescope - January 2021 - 26
Sky & Telescope - January 2021 - 27
Sky & Telescope - January 2021 - 28
Sky & Telescope - January 2021 - 29
Sky & Telescope - January 2021 - 30
Sky & Telescope - January 2021 - 31
Sky & Telescope - January 2021 - 32
Sky & Telescope - January 2021 - 33
Sky & Telescope - January 2021 - 34
Sky & Telescope - January 2021 - 35
Sky & Telescope - January 2021 - 36
Sky & Telescope - January 2021 - 37
Sky & Telescope - January 2021 - 38
Sky & Telescope - January 2021 - 39
Sky & Telescope - January 2021 - 40
Sky & Telescope - January 2021 - 41
Sky & Telescope - January 2021 - 42
Sky & Telescope - January 2021 - 43
Sky & Telescope - January 2021 - 44
Sky & Telescope - January 2021 - 45
Sky & Telescope - January 2021 - 46
Sky & Telescope - January 2021 - 47
Sky & Telescope - January 2021 - 48
Sky & Telescope - January 2021 - 49
Sky & Telescope - January 2021 - 50
Sky & Telescope - January 2021 - 51
Sky & Telescope - January 2021 - 52
Sky & Telescope - January 2021 - 53
Sky & Telescope - January 2021 - 54
Sky & Telescope - January 2021 - 55
Sky & Telescope - January 2021 - 56
Sky & Telescope - January 2021 - 57
Sky & Telescope - January 2021 - 58
Sky & Telescope - January 2021 - 59
Sky & Telescope - January 2021 - 60
Sky & Telescope - January 2021 - 61
Sky & Telescope - January 2021 - 62
Sky & Telescope - January 2021 - 63
Sky & Telescope - January 2021 - 64
Sky & Telescope - January 2021 - 65
Sky & Telescope - January 2021 - 66
Sky & Telescope - January 2021 - 67
Sky & Telescope - January 2021 - 68
Sky & Telescope - January 2021 - 69
Sky & Telescope - January 2021 - 70
Sky & Telescope - January 2021 - 71
Sky & Telescope - January 2021 - 72
Sky & Telescope - January 2021 - 73
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Sky & Telescope - January 2021 - 75
Sky & Telescope - January 2021 - 76
Sky & Telescope - January 2021 - 77
Sky & Telescope - January 2021 - 78
Sky & Telescope - January 2021 - 79
Sky & Telescope - January 2021 - 80
Sky & Telescope - January 2021 - 81
Sky & Telescope - January 2021 - 82
Sky & Telescope - January 2021 - 83
Sky & Telescope - January 2021 - 84
Sky & Telescope - January 2021 - Cover3
Sky & Telescope - January 2021 - Cover4
Sky & Telescope - January 2021 - SA1
Sky & Telescope - January 2021 - SA2
Sky & Telescope - January 2021 - SA3
Sky & Telescope - January 2021 - SA4
Sky & Telescope - January 2021 - SA5
Sky & Telescope - January 2021 - SA6
Sky & Telescope - January 2021 - SA7
Sky & Telescope - January 2021 - SA8
Sky & Telescope - January 2021 - SA9
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