Sky & Telescope - January 2020 - SA4

2020

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Earth is
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miles from the
23
A
Sun (perihelion)
30
at 2:48 a.m. EST;
latest sunrise of
P6
the year at latitude
40° north
13
Jan 8 Latest onset of
morning twilight
20
A
Mar 20 Mars is 0.7° to lower
Lyrids
right of Jupiter
27
Mar 24 Mercury is at greatest
elongation, 28° west
4
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of the Sun
Aquariids
Mar 31 Mars is 0.9° to lower right
11
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of Saturn
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Jun 13 Neptune is 1.6° northwest
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of Mars; earliest sunrise
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Jun 17 Earliest morning twilight
ra up
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Earth is 94,507,635 miles
Jul 4
1
P
from the Sun (aphelion) at
7:35 a.m. EDT
8
Jul 22 Mercury is at greatest elongation,
20° west of the Sun
15
Aug 13 Venus reaches greatest
22
elongation, 46° west of the Sun
Sep 22 Fall begins at the equinox,
29
9:31 a.m. EDT
s
e
Mercury is at greatest
Nov
10
s
6
Ri
elongation, 20° from the Sun
y
r
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A penumbral eclipse of the
Nov
30
13
Moon may be seen during
the predawn hours in North
20
Delta
America, with most shading
Aquariids
expected around 1:43 a.m.
27
PST; it is also visible from
Japan this evening
3
Dec 21 Winter begins at the
10
solstice, 5:02 a.m. EST
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Jan 10 Deep
penumbral
22
lunar eclipse
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for Asia, Europe,
29
and most of
Africa
5
Jan 27 Neptune is 0.2°
P
north of Venus
12
Feb 10 Mercury stands 18°
east of the Sun
19
Mar 7 Uranus is 2.2°
southeast of Venus
26
Mar 19 Spring begins at the
3
equinox, 11:50 p.m. EDT
Mar 24 Venus is 46° from Sun
10
May 21 Mercury is 1.1° from Venus
Jun 3 Mercury is 24° from Sun
17
Jun 5 Weak penumbral lunar
eclipse for Asia and Africa
24
Jun 20 Longest day, 15h 01m at
31
latitude 40° north; summer
begins at 5:44 p.m. EDT
7
Jun 21 Annular eclipse of the Sun in
a path from Africa to Asia and
14
the western Paciﬁc Ocean
Jun 24 Latest twilight
21
Jun 27 Latest sunset
28
Jul 4 Slight penumbral eclipse of the
Moon, very late tonight
5
Jul 13 Jupiter reaches opposition
Jul 20 Saturn is at opposition tonight
12
Sep 11 Neptune comes to opposition
Oct 1 Mercury is 26° from the Sun
19
Oct 6 Mars, nearest Earth, shows
26
a disk 22.6″ across
Oct 13 Mars stands at opposition
2
Oct 30 Uranus is at opposition
Dec 4 Earliest end of twilight
9
Dec 7 Earliest sunset
16
Dec 14 Total solar eclipse in a
track across Chile and
23
Argentina
Dec 21 Saturn is 0.1° from
30
Jupiter, their ﬁrst
conjunction in 20
6
years; shortest
h
m
day, 9 20 at
13
latitude 40°
P
north
20

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Skygazer's 40°N
Almanac

28
Sky & Telescope - January 2020

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