Sky & Telescope - January 2025 - SGA4
Sirius Rises
Upper Culm. of Polaris
Uranus Transits
Pleiades Transit
Jupiter Transits
Orion Nebula M42 Transits
Neptune Sets
Sirius Transits
t
Pollux Transits
Regulus Transits
Uranus Sets
Antares Rises
Lower Culmination of Polaris
S
Neptune Rises
Saturn Rises
Uranus Rises
Deneb Transits
Betelgeuse Rises
Neptune Transits
Jupiter Rises
Sirius Rises
Upper Culmination of Polaris
Pleiades Transit
Orion Nebula M42 Transits
Neptune Sets
Sirius Transits
Pollux Transits
Regulus Transits
Uranus Sets
Antares
Rises
Almanac 2025
Skygazer's
40°N
5 p.m. 6
5
12
19
26
P
2
9
16
23
P
2
EVENING SKY
Jan 9 Venus is 47°
east of the
Sun
Jan 15 Mars comes to
opposition
Jan 18 Saturn is 2.2° left
of Venus
Feb 24 Mercury is 1.6°
right of Saturn
Mar 1 Neptune is 2.0° left
of Mercury
Mar 7 Mercury is 18° east of
the Sun
May 5 The Beehive Cluster is
0.6° lower left of Mars
Jun 8 Mercury is 2.0° upper right
of Jupiter
Jun 17 Regulus is 0.8° below Mars
Jun 20 Summer solstice, 10:42 p.m.
EDT; the day lasts 15h
01m
latitude 40° north
Jun 24 Latest end of evening twilight
Jun 27 Latest sunset
Jul 2 Beehive is 1.2° above Mercury
Jul 3 Earth is 94,502,939 miles from
the Sun (aphelion) at 3:55 p.m.
EDT; Mercury is 26° from the Sun
Sep 7 A total lunar eclipse for Asia lasts
83 minutes centered on 18:12 UT;
in western Europe the eclipse is
under way as the Moon rises
Sep 13 Spica is 2.2° below Mars
Sep 20 Saturn comes to opposition
Sep 22 Fall begins at the equinox, 2:19
p.m. EDT; Neptune reaches
opposition
Oct 19 Mercury is 2.0° lower left of
Mars
Oct 29 Mercury is 24° from the
Sun
Nov 12 Mercury is 1.2° lower
left of Mars
Nov 20 Uranus stands at
opposition
Dec 4 Earliest end of
evening twilight
Dec 7 Earliest sunset
Dec 21 Shortest day,
9h
20m
21
A
28
5
12
19
A
26
P 2
9
A
P
16
23
30
7
14
21
28
5 p.m. 6
Conjunction
(appulse)
7
Greatest
elongation
8
Greatest illuminated
extent
Set
P
5
8
Rise
Geminids
6
Set
9
Opposition
10
New
Moon
11 Midnight 1
First
Full
Quarter
Moon
2
Last
Quarter
A
3
Apogee PerigeeP
4
Ursids
5
Waxing
(moonset)
6 7 a.m.
Waning
(moonrise)
A
15
22
29
Rise
Set
Sun
fast
3
Northern
Taurids
4
Leonids
2
elong
Orionids
27
3
P
10
17
A
24
1
Sky & Telescope
1374 Mass. Ave.
Cambridge, MA
02138
USA
P
Rise
Set
1
Southern
Taurids
29
6
13
20
Computed by
Roger W. Sinnott
24
14
31
23
7
P
Rise
8
24
Set
A
10
P
17
Rise
22
25
1
Perseids
18
at
P
9
16
23
30
6
13
20
27
4
11
Rise
18
16
25
1
8
15
22
29
6
13
20
27
3
Rise
18
Set
A
19
Rise
P
20
Set
A
21
11
Delta
Aquariids
28
4
P
Set
17
A
2
9
16
23
30
7
14
21
Apr 10
Apr 17
Apr 21
May 3
Jun 1
Jun 14
Jun 17
Jul 4
P
19
26
P
Set
15
A
Eta
Aquariids
5
12
Mar 20
A
Rise
14
Lyrids
P
28
P
Set
Sun
slow
13
7
A
14
21
Jan 7
Rise
A
12
24
31
17
Set
11
10
Jan 4
MORNING SKY
Earth is
91,405,993
miles from the
Sun (perihelion)
at 8:28 a.m. EST;
latest sunrise at
latitude 40° north
Latest onset of
morning twilight
Mar 14 A total eclipse of the
Moon, visible throughout
North America, lasts 66
minutes centered on 2:59
a.m. EDT (11:59 p.m. PDT
on the 13th); in western
Europe the eclipse starts
toward dawn
Spring begins at the equinox,
5:01 a.m. EDT
Mar 29 A partial solar eclipse occurs
Jul 6
Aug 12
Aug 19
Sep 1
15
Sep 2
Sep 19
Sep 22
Nov 25
Dec 7
Dec 21
22
for most of Europe, Iceland,
Greenland, and some of
northeastern North America
Mercury is 2.0° left of Saturn
Neptune is 0.7° above Mercury
Mercury is 27° west of the Sun
Neptune is 2.0° from Venus
Venus is 46° west of the Sun
Earliest sunrise of the year
Earliest onset of twilight
Uranus is 2.4° upper left of
Venus
Neptune is 1.0° from Saturn
Jupiter is 0.9° upper left of
Venus
Mercury is 19° from the Sun
The Beehive Cluster is 1.3°
upper left of Venus
Regulus is 1.2° lower right
of Mercury
Regulus is 0.6° lower
right of Venus
Partial solar eclipse
for New Zealand
Mercury is 1.4°
upper left of Venus
Mercury is 21°
west of the Sun
Winter solstice,
10:03 a.m. EST
Rise
A
10
Equation
of time
24
3
Set
9
3
10
17
Rise
8
A
7
EVEN I NG
8
Set
9
10
7
P
SGA 2025 (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.
Quadrantids
6
13
20
27
End of evening
twilig
ht
M
A
SEPTEMBER 919
mf otra St
R I L
M ARCH
F
e
O CTOBER 949
U
88
U
G
S
T
t gninro
Sunrise
A P
URBE
APRIL 766
96
MARCH 735
FEBRUARY 707
Julian Day 2,460,000+
JANUARY 676
9
8
N
OVEMB E
Sunrise
8
R
OCTOBER
i
g
h
t
AUG
r
thgiliw
YRA
Start of
morning
Sunset
ht
twilig
,
4
6
1
R
,
1
+
E
N
U
J
E
J
U
N
E
R
Y
n
E D
a
My
2
B
8
E
N
n
d
o
f
8
5
7
y
E
i
D
R A U
J
D
u
l
E i
a
C
7
2
O
V
E
M
Mercury
e
v
e
n
i
n
g
Sets
L
Y
r
E
C
s
e
N A
MAY
7
B
E
R
J
U
t
w
i l
c
E
R
M
B
S EPTEMBER
US T
J
U
L
Y
u
s
M
A
Y
J
e
Jupiter Sets
y
r
Saturn Transits
Uranus Transits
Saturn Sets
Jupiter Transits
Mars
Rises
y r
Venus
ucre
Mercury
Rises
Mercury
Rises
Sets
M a r s
T
Ve n u s R i s e s
u
c
M
r a n s i t s
S
r
e
M
s
s
t
Saturn Sets
e
Mars Sets
Venus Rises
M
e
Rises
r
c
u
r
y
Sunset
Sky & Telescope - January 2025
Table of Contents for the Digital Edition of Sky & Telescope - January 2025
Contents
Sky & Telescope - January 2025 - Cover1
Sky & Telescope - January 2025 - Cover2
Sky & Telescope - January 2025 - 1
Sky & Telescope - January 2025 - Contents
Sky & Telescope - January 2025 - 3
Sky & Telescope - January 2025 - 4
Sky & Telescope - January 2025 - 5
Sky & Telescope - January 2025 - 6
Sky & Telescope - January 2025 - 7
Sky & Telescope - January 2025 - 8
Sky & Telescope - January 2025 - 9
Sky & Telescope - January 2025 - 10
Sky & Telescope - January 2025 - 11
Sky & Telescope - January 2025 - 12
Sky & Telescope - January 2025 - 13
Sky & Telescope - January 2025 - 14
Sky & Telescope - January 2025 - 15
Sky & Telescope - January 2025 - 16
Sky & Telescope - January 2025 - 17
Sky & Telescope - January 2025 - 18
Sky & Telescope - January 2025 - 19
Sky & Telescope - January 2025 - 20
Sky & Telescope - January 2025 - 21
Sky & Telescope - January 2025 - 22
Sky & Telescope - January 2025 - 23
Sky & Telescope - January 2025 - 24
Sky & Telescope - January 2025 - 25
Sky & Telescope - January 2025 - 26
Sky & Telescope - January 2025 - 27
Sky & Telescope - January 2025 - 28
Sky & Telescope - January 2025 - 29
Sky & Telescope - January 2025 - 30
Sky & Telescope - January 2025 - 31
Sky & Telescope - January 2025 - 32
Sky & Telescope - January 2025 - 33
Sky & Telescope - January 2025 - 34
Sky & Telescope - January 2025 - 35
Sky & Telescope - January 2025 - 36
Sky & Telescope - January 2025 - 37
Sky & Telescope - January 2025 - 38
Sky & Telescope - January 2025 - 39
Sky & Telescope - January 2025 - 40
Sky & Telescope - January 2025 - 41
Sky & Telescope - January 2025 - 42
Sky & Telescope - January 2025 - 43
Sky & Telescope - January 2025 - 44
Sky & Telescope - January 2025 - 45
Sky & Telescope - January 2025 - 46
Sky & Telescope - January 2025 - 47
Sky & Telescope - January 2025 - 48
Sky & Telescope - January 2025 - 49
Sky & Telescope - January 2025 - 50
Sky & Telescope - January 2025 - 51
Sky & Telescope - January 2025 - 52
Sky & Telescope - January 2025 - 53
Sky & Telescope - January 2025 - 54
Sky & Telescope - January 2025 - 55
Sky & Telescope - January 2025 - 56
Sky & Telescope - January 2025 - 57
Sky & Telescope - January 2025 - 58
Sky & Telescope - January 2025 - 59
Sky & Telescope - January 2025 - 60
Sky & Telescope - January 2025 - 61
Sky & Telescope - January 2025 - 62
Sky & Telescope - January 2025 - 63
Sky & Telescope - January 2025 - 64
Sky & Telescope - January 2025 - 65
Sky & Telescope - January 2025 - 66
Sky & Telescope - January 2025 - 67
Sky & Telescope - January 2025 - 68
Sky & Telescope - January 2025 - 69
Sky & Telescope - January 2025 - 70
Sky & Telescope - January 2025 - 71
Sky & Telescope - January 2025 - 72
Sky & Telescope - January 2025 - 73
Sky & Telescope - January 2025 - 74
Sky & Telescope - January 2025 - 75
Sky & Telescope - January 2025 - 76
Sky & Telescope - January 2025 - 77
Sky & Telescope - January 2025 - 78
Sky & Telescope - January 2025 - 79
Sky & Telescope - January 2025 - 80
Sky & Telescope - January 2025 - 81
Sky & Telescope - January 2025 - 82
Sky & Telescope - January 2025 - 83
Sky & Telescope - January 2025 - 84
Sky & Telescope - January 2025 - Cover3
Sky & Telescope - January 2025 - Cover4
Sky & Telescope - January 2025 - SGA1
Sky & Telescope - January 2025 - SGA2
Sky & Telescope - January 2025 - SGA3
Sky & Telescope - January 2025 - SGA4
Sky & Telescope - January 2025 - SGA5
Sky & Telescope - January 2025 - SGA6
Sky & Telescope - January 2025 - SGA7
Sky & Telescope - January 2025 - SGA8
Sky & Telescope - January 2025 - SGA9
https://www.nxtbook.com/nxtbooks/aas/st_202501
https://www.nxtbook.com/nxtbooks/aas/st_202412
https://www.nxtbook.com/nxtbooks/aas/st_202411
https://www.nxtbook.com/nxtbooks/aas/st_202410
https://www.nxtbook.com/nxtbooks/aas/st_202409
https://www.nxtbook.com/nxtbooks/aas/st_202408
https://www.nxtbook.com/nxtbooks/aas/st_202407
https://www.nxtbook.com/nxtbooks/aas/st_202406
https://www.nxtbook.com/nxtbooks/aas/st_202405
https://www.nxtbook.com/nxtbooks/aas/st_202404_qr
https://www.nxtbook.com/nxtbooks/aas/st_202404
https://www.nxtbook.com/nxtbooks/aas/st_202403
https://www.nxtbook.com/nxtbooks/aas/st_202402
https://www.nxtbook.com/nxtbooks/aas/st_202401_aus
https://www.nxtbook.com/nxtbooks/aas/st_202401
https://www.nxtbook.com/nxtbooks/aas/st_202312_aus
https://www.nxtbook.com/nxtbooks/aas/st_202312
https://www.nxtbook.com/nxtbooks/aas/st_202311
https://www.nxtbook.com/nxtbooks/aas/st_202310
https://www.nxtbook.com/nxtbooks/aas/st_202309
https://www.nxtbook.com/nxtbooks/aas/st_202308
https://www.nxtbook.com/nxtbooks/aas/st_202307
https://www.nxtbook.com/nxtbooks/aas/st_202306
https://www.nxtbook.com/nxtbooks/aas/st_202305
https://www.nxtbook.com/nxtbooks/aas/st_202304
https://www.nxtbook.com/nxtbooks/aas/st_202304_qr
https://www.nxtbook.com/nxtbooks/aas/st_202303
https://www.nxtbook.com/nxtbooks/aas/st_202302
https://www.nxtbook.com/nxtbooks/aas/st_202301
https://www.nxtbook.com/nxtbooks/aas/st_202212
https://www.nxtbook.com/nxtbooks/aas/st_202211
https://www.nxtbook.com/nxtbooks/aas/st_202210
https://www.nxtbook.com/nxtbooks/aas/st_202209
https://www.nxtbook.com/nxtbooks/aas/st_202208
https://www.nxtbook.com/nxtbooks/aas/st_202207
https://www.nxtbook.com/nxtbooks/aas/st_202206
https://www.nxtbook.com/nxtbooks/aas/st_202205
https://www.nxtbook.com/nxtbooks/aas/st_202204
https://www.nxtbook.com/nxtbooks/aas/st_202203
https://www.nxtbook.com/nxtbooks/aas/st_202202
https://www.nxtbook.com/nxtbooks/aas/st_202201
https://www.nxtbook.com/nxtbooks/aas/st_202112
https://www.nxtbook.com/nxtbooks/aas/st_202111
https://www.nxtbook.com/nxtbooks/aas/st_202110
https://www.nxtbook.com/nxtbooks/aas/st_202109
https://www.nxtbook.com/nxtbooks/aas/st_202108
https://www.nxtbook.com/nxtbooks/aas/st_202107
https://www.nxtbook.com/nxtbooks/aas/st_202106
https://www.nxtbook.com/nxtbooks/aas/st_202105
https://www.nxtbook.com/nxtbooks/aas/st_202104
https://www.nxtbook.com/nxtbooks/aas/st_202103
https://www.nxtbook.com/nxtbooks/aas/st_202102
https://www.nxtbook.com/nxtbooks/aas/st_202101
https://www.nxtbook.com/nxtbooks/aas/skywatch_2021
https://www.nxtbook.com/nxtbooks/aas/st_202012
https://www.nxtbook.com/nxtbooks/aas/st_202011
https://www.nxtbook.com/nxtbooks/aas/st_202010
https://www.nxtbook.com/nxtbooks/aas/st_202009
https://www.nxtbook.com/nxtbooks/aas/st_202008
https://www.nxtbook.com/nxtbooks/aas/st_202007
https://www.nxtbook.com/nxtbooks/aas/st_202006
https://www.nxtbook.com/nxtbooks/aas/st_202005
https://www.nxtbook.com/nxtbooks/aas/st_202004
https://www.nxtbook.com/nxtbooks/aas/st_202003
https://www.nxtbook.com/nxtbooks/aas/st_202002
https://www.nxtbook.com/nxtbooks/aas/st_202001
https://www.nxtbook.com/nxtbooks/aas/st_201912
https://www.nxtbook.com/nxtbooks/aas/st_201911
https://www.nxtbook.com/nxtbooks/aas/st_201910
https://www.nxtbook.com/nxtbooks/aas/st_201909
https://www.nxtbook.com/nxtbooks/aas/st_201908
https://www.nxtbook.com/nxtbooks/aas/st_201907
https://www.nxtbook.com/nxtbooks/aas/st_201906
https://www.nxtbook.com/nxtbooks/aas/st_201905
https://www.nxtbook.com/nxtbooks/aas/st_201904
https://www.nxtbook.com/nxtbooks/aas/st_201903
https://www.nxtbook.com/nxtbooks/aas/st_201902
https://www.nxtbook.com/nxtbooks/aas/st_201901
https://www.nxtbook.com/nxtbooks/aas/st_201812
https://www.nxtbook.com/nxtbooks/aas/st_201811
https://www.nxtbook.com/nxtbooks/aas/st_201810
https://www.nxtbook.com/nxtbooks/aas/st_201809
https://www.nxtbook.com/nxtbooks/aas/st_201808
https://www.nxtbook.com/nxtbooks/aas/st_201807
https://www.nxtbook.com/nxtbooks/aas/st_201806
https://www.nxtbook.com/nxtbooks/aas/st_201805
https://www.nxtbook.com/nxtbooks/aas/st_201804
https://www.nxtbook.com/nxtbooks/aas/st_201803
https://www.nxtbook.com/nxtbooks/aas/st_201802
https://www.nxtbook.com/nxtbooks/aas/st_201801
https://www.nxtbook.com/nxtbooks/aas/st_201712
https://www.nxtbook.com/nxtbooks/aas/st_201711
https://www.nxtbook.com/nxtbooks/aas/st_201710
https://www.nxtbook.com/nxtbooks/aas/st_201709
https://www.nxtbook.com/nxtbooks/aas/st_201708
https://www.nxtbook.com/nxtbooks/aas/st_201707
https://www.nxtbook.com/nxtbooks/aas/st_201706
https://www.nxtbook.com/nxtbooks/aas/st_201705
https://www.nxtbook.com/nxtbooks/aas/st_201704
https://www.nxtbook.com/nxtbooks/aas/st_201703
https://www.nxtbook.com/nxtbooks/aas/st_201702
https://www.nxtbook.com/nxtbooks/aas/st_201701
https://www.nxtbook.com/nxtbooks/aas/st_201612
https://www.nxtbook.com/nxtbooks/aas/st_201611
https://www.nxtbook.com/nxtbooks/aas/st_201610
https://www.nxtbook.com/nxtbooks/aas/st_201609
https://www.nxtbook.com/nxtbooks/aas/st_201608
https://www.nxtbook.com/nxtbooks/aas/st_201607
https://www.nxtbook.com/nxtbooks/aas/st_201606
https://www.nxtbook.com/nxtbooks/aas/st_201605
https://www.nxtbook.com/nxtbooks/aas/st_201604
https://www.nxtbook.com/nxtbooks/aas/st_201603
https://www.nxtbook.com/nxtbooks/aas/st_201602
https://www.nxtbook.com/nxtbooks/aas/st_201601
https://www.nxtbook.com/nxtbooks/aas/st_201512
https://www.nxtbook.com/nxtbooks/aas/st_201511
https://www.nxtbook.com/nxtbooks/aas/st_201510
https://www.nxtbook.com/nxtbooks/aas/st_201509
https://www.nxtbook.com/nxtbooks/aas/st_201508
https://www.nxtbook.com/nxtbooks/aas/st_201507
https://www.nxtbook.com/nxtbooks/aas/st_201506
https://www.nxtbook.com/nxtbooks/aas/st_201505
https://www.nxtbook.com/nxtbooks/aas/st_201504
https://www.nxtbook.com/nxtbooks/aas/st_201503
https://www.nxtbook.com/nxtbooks/aas/st_201502
https://www.nxtbook.com/nxtbooks/aas/st_201501
https://www.nxtbook.com/nxtbooks/aas/st_201412
https://www.nxtbook.com/nxtbooks/aas/st_201411
https://www.nxtbook.com/nxtbooks/aas/st_201410
https://www.nxtbook.com/nxtbooks/aas/st_201409
https://www.nxtbook.com/nxtbooks/aas/st_201408
https://www.nxtbook.com/nxtbooks/aas/st_201407
https://www.nxtbook.com/nxtbooks/aas/st_201406
https://www.nxtbook.com/nxtbooks/aas/st_mars
https://www.nxtbook.com/nxtbooks/aas/st_201405
https://www.nxtbook.com/nxtbooks/aas/st_201404
https://www.nxtbook.com/nxtbooks/aas/st_201403
https://www.nxtbook.com/nxtbooks/aas/st_201402
https://www.nxtbook.com/nxtbooks/aas/st_201401
https://www.nxtbook.com/nxtbooks/aas/st_201312
https://www.nxtbook.com/nxtbooks/aas/st_201311
https://www.nxtbook.com/nxtbooks/aas/st_201310
https://www.nxtbook.com/nxtbooks/aas/st_201309
https://www.nxtbook.com/nxtbooks/aas/st_201308
https://www.nxtbook.com/nxtbooks/aas/st_201307
https://www.nxtbook.com/nxtbooks/aas/st_201306
https://www.nxtbook.com/nxtbooks/aas/st_201305
https://www.nxtbook.com/nxtbooks/aas/st_201304
https://www.nxtbook.com/nxtbooks/aas/st_201303
https://www.nxtbook.com/nxtbooks/aas/st_201302
https://www.nxtbook.com/nxtbooks/aas/st_201301
https://www.nxtbook.com/nxtbooks/aas/st_201212
https://www.nxtbook.com/nxtbooks/aas/st_201211
https://www.nxtbook.com/nxtbooks/aas/st_201210
https://www.nxtbook.com/nxtbooks/aas/st_201209
https://www.nxtbook.com/nxtbooks/aas/st_201208
https://www.nxtbook.com/nxtbooks/aas/st_201207
https://www.nxtbook.com/nxtbooks/aas/st_201206
https://www.nxtbook.com/nxtbooks/aas/st_201205
https://www.nxtbook.com/nxtbooks/aas/st_201204
https://www.nxtbook.com/nxtbooks/aas/st_201203
https://www.nxtbook.com/nxtbooks/aas/st_201202
https://www.nxtbook.com/nxtbooks/aas/st_201201
https://www.nxtbook.com/nxtbooks/aas/st_201112
https://www.nxtbook.com/nxtbooks/aas/st_201111
https://www.nxtbook.com/nxtbooks/aas/st_201110
https://www.nxtbook.com/nxtbooks/aas/st_201109
https://www.nxtbook.com/nxtbooks/aas/st_201108
https://www.nxtbook.com/nxtbooks/aas/st_201107
https://www.nxtbook.com/nxtbooks/aas/st_201106
https://www.nxtbook.com/nxtbooks/aas/st_201105
https://www.nxtbook.com/nxtbooks/aas/st_201104
https://www.nxtbook.com/nxtbooks/aas/st_201103
https://www.nxtbook.com/nxtbooks/aas/st_201102
https://www.nxtbook.com/nxtbooks/aas/st_201101
https://www.nxtbook.com/nxtbooks/aas/st_201012
https://www.nxtbook.com/nxtbooks/aas/st_201011
https://www.nxtbook.com/nxtbooks/aas/st_201010
https://www.nxtbook.com/nxtbooks/aas/st_201009
https://www.nxtbook.com/nxtbooks/aas/st_201008
https://www.nxtbook.com/nxtbooks/aas/st_201007
https://www.nxtbook.com/nxtbooks/aas/st_201006
https://www.nxtbook.com/nxtbooks/aas/st_201005
https://www.nxtbook.com/nxtbooks/aas/st_201004
https://www.nxtbook.com/nxtbooks/aas/st_201003
https://www.nxtbook.com/nxtbooks/aas/st_201002
https://www.nxtbook.com/nxtbooks/aas/st_201001
https://www.nxtbookmedia.com