Sky & Telescope - January 2023 - SA1

Start of morning twilight
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Rises
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Almanac 2023
Skygazer's
30°S
EVENING SKY
Jan 4 Latest end of evening twilight this year
Jan 10 Latest sunset at latitude 30° south
Jan 22 Saturn is 0.7° right of Venus
Feb 15 In a telescope Neptune may be seen just
0.1° from Venus!
Mar 2 Jupiter is 0.6° upper left of Venus
Mar 30 Uranus is 1.3° from Venus
Apr 12 Mercury comes to greatest elongation,
19° east of the Sun
Apr 20 An annular-total (hybrid) eclipse of the
Sun occurs for part of New Guinea and
extreme western Australia, the rest of
Australia seeing a partial eclipse
Jun 4 Venus stands 45° east of the Sun
Jun 8 Earliest end of evening twilight
Jun 11 Earliest sunset of the year
Jun 22 Shortest day, 10h
13m at latitude
30° south
Aug 10 Mercury is at greatest
elongation, 27° east of the Sun
Aug 27 Saturn comes to opposition
tonight
Sep 19 Neptune reaches opposition
Sep 23 Spring begins at the
equinox, 4:50 p.m. AEST
Oct 14 An annular eclipse of the
Sun occurs for observers
in a path across western
United States, Central
America, and northern
South America
Oct 28 A slight partial eclipse
of the Moon may be
seen this evening in
Africa, and toward
dawn (on the 29th)
in Australia
Nov 3 Jupiter comes to
opposition tonight
Nov 13 Uranus is at
opposition
Dec 4 Mercury is 21°
east of the Sun
Dec 22 Summer begins at
the solstice, 1:27
p.m. AEST; longest
day, 14h
05m
at
latitude 30° south
MORNING SKY
Jan 5 Earth is 147,098,925
km from the Sun
(perihelion) at 2:17
a.m. AEST
Jan 30 Mercury is at greatest
elongation, 25° west of
the Sun
Mar 3 Mercury is 0.9° right of
Saturn
Mar 21 Fall begins at the
equinox, 7:24 a.m. AEST
May 6 A penumbral lunar eclipse
is visible before dawn in
Australia, the greatest
shading being near 2:23
a.m. AEST
May 29 Mercury stands at greatest
elongation, 25° west of the
Sun
Jun 5 Uranus is 2.7° to the lower left
of Mercury
Jun 22 Winter begins at the solstice,
12:58 a.m. AEST
Jul 2 Latest sunrise at latitude 30°
south
Jul 4 Latest onset of morning twilight
Jul 7 Earth is 152,093,251 km from the
Sun (aphelion) at 6:06 a.m. AEST
Sep 23 Mercury reaches greatest
elongation, 18° west of the Sun
Oct 10 Ganymede undergoes a very rare
grazing occultation by Jupiter from
about 12:40 to 1:45 a.m. AEST; this
event, found by Andreas Dill, will
challenge observers and imagers alike
Oct 24 Venus stands 46° west of the Sun
Dec 4 Earliest sunrise of the year
Dec 9 Earliest onset of morning twilight
9
16
A
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30
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13
A
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27
3
10
17
24
1
Rise
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15
22
29
5
12
19
4
26
3
10
Set
17
24
Rise
31
7 p.m.
Conjunction
(appulse)
Greatest
elongation
8
Greatest illuminated
extent
9
Opposition
10
New
Moon
11 Midnight
First
Quarter
1
Full
Moon
Last
Quarter
2
A
3
Apogee
P Perigee
4
5 a.m.
Waxing
(moonset)
Waning
(moonrise)
P
Geminids
6
25
Rise
A
5
11
18
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1374 Mass. Ave.
Cambridge, MA
02138
USA
4
P
27
Set
Rise
Set
Sun
fast
3
Northern
Taurids
A
Leonids
13
20
Computed by Roger W. Sinnott
1
A
Southern
Taurids
2
P
30
6
Orionids
Set
24
25
P
2
9
16
23
Rise
4
23
A
11
18
Set
22
21
28
P
Rise
Set
Alpha
Capricornids
21
Delta
Aquariids
20
9
Rise
16
23
30
7
Rise
14
21
Set
28
4
Rise
11
18
Set
25
2
P
Rise
19
10
17
24
31
7
14
P
A
P
17
12
19
18
26
3
A
29
5
16
P
14
Set
A
15
Eta
Aquariids
8
15
22
P
17
24
1
26
2
7 p.m.
1
8
15
22
Set
29
5
12
19
26
5
12
19
12
Set
A
13
10
27
3
Rise
P
Set
11
13
20
Rise
P
10
Sun
slow
A
9
P
8
Equation
of time
A
EVEN I NG
8
A
Rise
P
23
30
6
13
20
27
6
9
10
SGA 2023 (Australia)
11 Midnight 1
A SUPPLEMENT TO SKY & TELESCOPE
2
7
9
16
FOR LAT I T UDES NE AR 30° SOUTH
MORN I NG
3
4
5 a.m.
2
Uranus Tr.
Pleiades Transit
S
Mars Transits
LMC Culminates
Orion Nebula M42 Transits
Canopus Transits
Neptune Sets
Sirius Transits
e
r
Uranus Sets
Antares Rises
Southern Cross Transits
r
Alpha Centauri Transits
Saturn Rises
Neptune Rises
Saturn Transits
Uranus Rises
Rigel Rises
Neptune Transits
Sirius Rises
Small Magellanic Cloud Culminates
Uranus Transits
Pleiades Transit
Saturn Sets
LMC Culminates
Canopus Transits
Orion Nebula M42 Transits
Neptune Sets
Sirius Transits
Uranus Sets
Antares Rises
e
t
Saturn Sets
Jupiter Sets
c
s
u
e
Jupiter Rises
N
U
J
E
09
t
9
4
5
V e n
E R
J
y
M
e
s
e
r
c
s
M
r
Sunset
DECEM
s
Sunrise
E M B
U
N
E
SEPTEMBER 188
BER
OCTOBER 218
AUGUST 157
JULY 126
D E C
MAY
APRIL
MARCH
F EB
279
NOVEMBER 249
R
U
A
R
Y
J A N U A R Y

Sky & Telescope - January 2023

Table of Contents for the Digital Edition of Sky & Telescope - January 2023

Contents
Sky & Telescope - January 2023 - Cover1
Sky & Telescope - January 2023 - Cover2
Sky & Telescope - January 2023 - 1
Sky & Telescope - January 2023 - Contents
Sky & Telescope - January 2023 - 3
Sky & Telescope - January 2023 - 4
Sky & Telescope - January 2023 - 5
Sky & Telescope - January 2023 - 6
Sky & Telescope - January 2023 - 7
Sky & Telescope - January 2023 - 8
Sky & Telescope - January 2023 - 9
Sky & Telescope - January 2023 - 10
Sky & Telescope - January 2023 - 11
Sky & Telescope - January 2023 - 12
Sky & Telescope - January 2023 - 13
Sky & Telescope - January 2023 - 14
Sky & Telescope - January 2023 - 15
Sky & Telescope - January 2023 - 16
Sky & Telescope - January 2023 - 17
Sky & Telescope - January 2023 - 18
Sky & Telescope - January 2023 - 19
Sky & Telescope - January 2023 - 20
Sky & Telescope - January 2023 - 21
Sky & Telescope - January 2023 - 22
Sky & Telescope - January 2023 - 23
Sky & Telescope - January 2023 - 24
Sky & Telescope - January 2023 - 25
Sky & Telescope - January 2023 - 26
Sky & Telescope - January 2023 - 27
Sky & Telescope - January 2023 - 28
Sky & Telescope - January 2023 - 29
Sky & Telescope - January 2023 - 30
Sky & Telescope - January 2023 - 31
Sky & Telescope - January 2023 - 32
Sky & Telescope - January 2023 - 33
Sky & Telescope - January 2023 - 34
Sky & Telescope - January 2023 - 35
Sky & Telescope - January 2023 - 36
Sky & Telescope - January 2023 - 37
Sky & Telescope - January 2023 - 38
Sky & Telescope - January 2023 - 39
Sky & Telescope - January 2023 - 40
Sky & Telescope - January 2023 - 41
Sky & Telescope - January 2023 - 42
Sky & Telescope - January 2023 - 43
Sky & Telescope - January 2023 - 44
Sky & Telescope - January 2023 - 45
Sky & Telescope - January 2023 - 46
Sky & Telescope - January 2023 - 47
Sky & Telescope - January 2023 - 48
Sky & Telescope - January 2023 - 49
Sky & Telescope - January 2023 - 50
Sky & Telescope - January 2023 - 51
Sky & Telescope - January 2023 - 52
Sky & Telescope - January 2023 - 53
Sky & Telescope - January 2023 - 54
Sky & Telescope - January 2023 - 55
Sky & Telescope - January 2023 - 56
Sky & Telescope - January 2023 - 57
Sky & Telescope - January 2023 - 58
Sky & Telescope - January 2023 - 59
Sky & Telescope - January 2023 - 60
Sky & Telescope - January 2023 - 61
Sky & Telescope - January 2023 - 62
Sky & Telescope - January 2023 - 63
Sky & Telescope - January 2023 - 64
Sky & Telescope - January 2023 - 65
Sky & Telescope - January 2023 - 66
Sky & Telescope - January 2023 - 67
Sky & Telescope - January 2023 - 68
Sky & Telescope - January 2023 - 69
Sky & Telescope - January 2023 - 70
Sky & Telescope - January 2023 - 71
Sky & Telescope - January 2023 - 72
Sky & Telescope - January 2023 - 73
Sky & Telescope - January 2023 - 74
Sky & Telescope - January 2023 - 75
Sky & Telescope - January 2023 - 76
Sky & Telescope - January 2023 - 77
Sky & Telescope - January 2023 - 78
Sky & Telescope - January 2023 - 79
Sky & Telescope - January 2023 - 80
Sky & Telescope - January 2023 - 81
Sky & Telescope - January 2023 - 82
Sky & Telescope - January 2023 - 83
Sky & Telescope - January 2023 - 84
Sky & Telescope - January 2023 - Cover3
Sky & Telescope - January 2023 - Cover4
Sky & Telescope - January 2023 - SA1
Sky & Telescope - January 2023 - SA2
Sky & Telescope - January 2023 - SA3
Sky & Telescope - January 2023 - SA4
Sky & Telescope - January 2023 - SA5
Sky & Telescope - January 2023 - SA6
Sky & Telescope - January 2023 - SA7
Sky & Telescope - January 2023 - SA8
Sky & Telescope - January 2023 - SA9
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