Sky and Telescope - January 2018 - SGA18RAL

2018

Skygazer's
40°N Almanac
FOR L ATITUDES
NEAR 40° NORTH

SGA 2018 (North America)

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20

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2

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Si

u
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s

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ra

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3

Northern
Taurids

a
Tr

Set

Pl

Conjunction
(appulse)

7
Greatest
elongation

8
Greatest illuminated extent

9
Opposition

us

Sunrise

RY

JANUA

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its
Orionids

an
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Geminids

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11
New
Moon

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skyandtelescope.com

22

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12

Leonids

19

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Midnight
First
Quarter

Full
Moon

1

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2
Last
Quarter

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Sky & Telescope
90 Sherman St.
Cambridge, MA
02140
USA

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Southern
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Computed by
Roger W. Sinnott,
Sky & Telescope
© 2018 F+W Media, Inc.

BER

M e rc u r y
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End of ev
ening
twil

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24

5
Waxing
(moonset)

6

7 a.m.
Waning
(moonrise)

DECEM

Sets

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423

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Sunset

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AU

22

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Start

18

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331

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JUNE

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270

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OCT

Rise

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11

MORNING SKY

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15

Ju

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Jan 1 Mercury
19
reaches
m
l
u
greatest
C P
r
26
e
elongation, 23°
w
Lo
west of the Sun
2
Jan 3 Earth is 91,401,983
A
es
miles from the Sun
9
(perihelion) at 1 a.m.
ts
i
s
EST
16
an
Tr
Jan 4 Latest sunrise of the
Lyrids
r
year (latitude 40° north)
23
ite
p
Jan
7
Latest
onset of morning
Ju
Eta
30
twilight; Mars is 0.3° to
Aquariids
lower left of Jupiter
es
7
is
Jan 13 Mercury is 0.7° below Saturn
R
(use binoculars)
e
14
un
Jan 31 Total eclipse of the Moon visible
t
ep
in western North America from
21
N
4:51 to 6:08 a.m. PST; it is also
visible, higher in the sky, during
28
evening hours in the Far East and
Australia
4
Apr 2 Saturn lies 1.3° above left of Mars
11
Apr 29 Mercury is at greatest elongation,
s
27° west of the Sun
e
s
s
t
i
18
e
Jun
14
Earliest sunrise
R
S
us
Jun 17 Earliest morning twilight
r
n
25
te
ra
Jun 21 Summer begins at the solstice,
U
pi
u
J
6:07 a.m. EDT
2
Jul 13 Partial solar eclipse for the
southeastern tip of Australia and
9
P
a tiny bit of Antarctica
16
Aug 11 Partial solar eclipse across
northern Europe and Russia,
23
and northeast Asia
A
Aug 26 Mercury reaches greatest
Delta
30
Aquariids
elongation, 18° west of
the Sun
6
ts
Oct 26 Venus comes to inferior
P
Se
conjunction, 6° south of
rn
13
Perseids
tu
the Sun
a
S
Nov
14
Spica is 1.2° above
20
A
right of Venus
27
Dec 15 Mercury is at greatest
elongation, 21° west
ur
3
y
of the Sun
Ri
P
se
Dec
21
Mercury is 0.9°
s
10
to upper left of
s
ri
Jupiter
la
in

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MAR

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19

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Feb 15 Partial solar
18
eclipse for
southernmost
25
South America
Mar 3 Mercury is 1.1° to
1
the right of Venus,
but they are low
8
Mar 15 Mercury is 18° east
of the Sun
15
Mar 20 Spring equinox, 12:15
22
p.m. EDT
Mar 28 Uranus lies just 4´
29
northwest of Venus
May 8 Jupiter comes to
6
opposition tonight
Jun 21 Longest day, 15h 01m at
13
latitude 40° north
20
Jun 24 Latest twilight
Jun 26 Saturn reaches opposition
27
Jun 27 Latest sunset
Jul 6 Earth is 94,507,803 miles from
3
the Sun (aphelion), 1 p.m. EDT
Jul 9 Regulus lies 0.9° from Venus
10
Jul 11 Mercury is 26° east of the Sun
17
Jul 26 Mars comes to opposition
Jul 27 Total lunar eclipse for Europe,
24
Africa, and Asia, 19:30 to 21:14
UT; the Far East sees it in the
1
predawn hours of July 28th
Jul 30 Mars is nearest Earth tonight and
8
P
shows a disk 24.3˝ across
15
Aug 17 Venus is 46° east of the Sun
Sep 1 Spica is 1.2° right of Venus
22
Sep 7 Neptune attains opposition
Sep 22 Fall begins at the equinox,
29
ry
9:54 p.m. EDT
cu
r
Oct 23 Uranus is at opposition
5 Me
P
Nov 6 Mercury lies 23° east of
12
the Sun
Dec 4 Earliest end of evening
19
twilight
Dec 7 Earliest sunset;
26
Neptune is 0.3° to
lower right of Mars
2
Dec 21 Shortest day of
the year, 9h 20m
9
at latitude 40°
north; winter
16
solstice,
5:23 p.m.
23
EST

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A S U P P L E ME NT T O SKY & TELESCOPE

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M ORNI NG

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24

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Sky and Telescope - January 2018

Table of Contents for the Digital Edition of Sky and Telescope - January 2018
