Sky & Telescope - January 2023 - SA4

c
s
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S
aturn S e t
s
a
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T
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s
t
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M
a
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Sets
Jupiter
u
s
Sirius Rises
Uranus Transits
Upper Culm. of Polaris
Pleiades Transit
M
s
Orion Nebula M42 Transits
i
t
Neptune Sets
Sirius Transits
Pollux Transits
e
Uranus Sets
Regulus Transits
Antares Rises
M
Lower Culmination of Polaris
Neptune Rises
Saturn Rises
Jupiter Rises
Uranus Rises
Deneb Transits
Betelgeuse Rises
Neptune Transits
Sirius Rises
V
Upper Culmination of Polaris
Saturn Sets
Pleiades Transit
Orion Nebula M42 Transits
Sirius Transits
Pollux Transits
Neptune Sets
Regulus Transits
Uranus Sets
Antares
Rises
OVEM
Y
1
End
o
o
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n
i
n
g
A
N
BER
J
U
L
e
f
a
r
t
o
f
Y
m
A
M
Sunrise
J
Start of morning
twilight
evenin
End
of
y
Sunset
M
249
7
vening twili
S
t
A
R
Y
g twilight
r
e r
O
UGUST 15
ght
P
A
E
B
R
U
Almanac 2023
Skygazer's
40°N
5 p.m.
1
7
8
15
P
22
Set
29
5
Rise
12
P
19
Set
26
5
EVENING SKY
Jan 22 Saturn is
0.4° right of
Venus
Feb 14 Neptune is just
0.5° from Venus
Mar 1 Jupiter is 0.5°
left of Venus
Mar 20 Spring equinox,
5:24 p.m. EDT
Mar 27 Mercury is 1.3° to
the right of Jupiter
Mar 30 Uranus is 1.3° from
Venus
Apr 11 Mercury is 19° east of
the Sun
Apr 20 An annular-total eclipse of
the Sun is visible from
extreme western Australia
and New Guinea
Jun 3 Venus is 45° east of the Sun
Jun 21 Longest day, 15h
40° north
Jun 24 Latest end of evening twilight
Jun 27 Latest sunset at latitude
40° north
Jul 6 Earth is 94,506,364 miles from
the Sun (aphelion), 4:06 p.m. EDT
Aug 9 Mercury is 27° east of the Sun
Aug 26 Saturn is at opposition tonight
Sep 18 Neptune is at opposition
Oct 14 An annular solar eclipse is visible
in a path across western United
States
Oct 28 A slight partial eclipse of the
Moon occurs for Europe and
Asia, 19:35 to 20:53 UT
Nov 2 Jupiter is at opposition
Nov 13 Uranus's opposition
Dec 4 Earliest end of evening
twilight; Mercury is 21°
east of the Sun
Dec 7 Earliest sunset of the
year
Dec 21 Winter begins at
the solstice, 10:27
p.m. EST;
shortest day,
9h
20m
at
latitude
40° north
1
8
15
Set
22
29
5
12
Set
19
26
3
10
17
24
5 p.m.
6
Conjunction
(appulse)
Set
Rise
A
Sun
fast
P
18
6
Ursids
Rise
7
Greatest
elongation
8
Greatest illuminated
extent
9
Opposition
10
New
Moon
11 Midnight
First
Quarter
1
Full
Moon
Last
Quarter
2
A Apogee
3
P Perigee
4
5
Waxing
(moonset)
6
7 a.m.
Waning
(moonrise)
25
4
5
Geminids
11
4
P
27
20
Rise
3
A
Northern
Taurids
Leonids
2
elong
P
Orionids
23
30
6
13
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1374 Mass. Ave.
Cambridge, MA
02138
USA
Southern
Taurids
17
Set
24
Rise
1
A
9
16
24
P
25
2
Computed by
Roger W. Sinnott
18
10
13
20
Set
27
3
23
A
P
Rise
4
11
P
28
01m at latitude
12
19
Set
26
2
9
16
14
23
30
7
14
21
Set
A
28
4
Rise
11
18
25
2
9
16
23
30
P
6
A
22
Rise
21
Perseids
14
A
21
A
Set
20
Delta
Aquariids
24
31
7
P
17
29
5
Set
A
Rise
P
19
10
17
18
12
19
26
3
May 29
Jun 14
Jun 17
Jun 21
16
15
Rise
P
Eta
Aquariids
8
15
22
Set
A
Lyrids
1
May 6
24
Rise
P
17
12
Sun
slow
13
10
Jan 8
27
A
3
Rise
P
Equation
of time
11
27
A
6
13
20
Jan 4
MORNING SKY
Earth is
91,403,034
miles from the
Sun (perihelion)
at 11:17 a.m.
EST; latest sunrise
of the year at
latitude 40° north
Latest onset of
morning twilight
Jan 30 Mercury reaches
greatest elongation,
25° west of the Sun
A penumbral lunar eclipse
is visible in the predawn
hours from western Asia
and Australia
May 17 The waning crescent Moon
Sep 22
Sep 23
Sep 25
occults Jupiter shortly after
sunrise for most of North
America
Mercury stands 25° west of
the Sun
Earliest sunrise of the year
Earliest onset of morning twilight
Summer begins at the solstice,
10:58 a.m. EDT
Mercury is at greatest
elongation, 18° west of the Sun
Fall begins at the equinox,
2:50 a.m. EDT
A very rare grazing occultation
of Ganymede by Jupiter
occurs for North America
between 4 and 5 a.m.
EDT; this event, found by
Andreas Dill, will be a
challenge for observers and
photographers alike
Another grazing
occultation of Ganymede
might be seen or
imaged from western
North America
between about 4:20
and 5:20 a.m. PDT
Venus comes to
greatest elongation,
46° west of
the Sun
Oct 24
10
20
13
30
A
9
6
8
Quadrantids
A
Rise
6
7
EVEN I NG
8
9
10
SGA 2023 (North America)
11 Midnight 1
A SUPPLEMENT TO SKY & TELESCOPE
2
3
FOR LAT I T UDES NE AR 40° NOR TH
MORN I NG
4
5
6
7 a.m.
9
2
16
23
P
Oct 2
N
2
6
t
w
i
l
i
g
h
U
A
Mars Rises
R
279
t
E
Y
r
y
Saturn Transits
n
Jupiter Transits
e
Uranus Transits
Jupiter Sets
Mercury
Rises
S
e
s
u
r
e
s
i
R
u
u
r
y
c
s
r
M
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r
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M
Venu
s
c
s
e
R
r
S
Mars Sets
e
t
s
u
c u r y
SEPTEMBER 188
CTOBER 218
A
MAR
R
IL
F
C
H
S
Sunset
E R
J
U
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J
e
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E M B
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DE C
9
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MAY 0
J U L Y
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S E P TEMBER
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65
APRIL 035
Julian Day 2,460,000+
M ARCH 004
F EBRUARY 976
Julian Day 2,459,000+
JANU A R Y
9
4
5
Sunrise
NOVEM B E R
O C T O BER
AUG
Sky & Telescope - January 2023

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