Astronomy

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SUN. MON. TUES. WED. THURS. FRI. SAT.

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PHOENIX

PISCES

SCULPTOR

CETUS

LACERTA

C

CYGNUS

PEGASUS

ANDROMEDA

AQUARIUS

NGC 253

SGP

Enif

M31

Deneb

Path of the Sun

(ecliptic)

Uranus

WWW.ASTRONOMY.COM 39

Open cluster

Globular cluster

Diffuse nebula

Planetary nebula

Galaxy

W

NW

SW

MAP SYMBOLS

JANUARY 2018

Note: Moon phases in the calendar vary

in size due to the distance from Earth

and are shown at 0h Universal Time.

Calendar of events

1 Mercury is at greatest western

elongation (23°), 3 P.M. EST

The Moon is at perigee (221,559

miles from Earth), 4:49 P.M. EST

Full Moon occurs at

9:24 P.M. EST

2 Asteroid Flora is at opposition,

1 P.M. EST

Uranus is stationary, 4 P.M. EST

3 Earth is at perihelion

(91.4 million miles from

the Sun), 1 A.M. EST

Quadrantid meteor shower

peaks

5 The Moon passes 0.9° north of

Regulus, 3 A.M. EST

8 Last Quarter Moon

occurs at 5:25 P.M. EST

9 Venus is in superior

conjunction, 2 A.M. EST

Pluto is in conjunction with the

Sun, 5 A.M. EST

11 The Moon passes 4° north of

Jupiter, 1 A.M. EST

The Moon passes 5° north of

Mars, 5 A.M. EST

SPECIAL OBSERVING DATE

7 Mars passes 0.2° south of

Jupiter before dawn.

11 The Moon passes 0.4° south

of asteroid Vesta, 11 P.M. EST

13 Mercury passes 0.6° south of

Saturn, 2 A.M. EST

14 The Moon passes 3° north of

Saturn, 9 P.M. EST

The Moon is at apogee

(252,565 miles from Earth),

9:10 P.M. EST

15 The Moon passes 3° north of

Mercury, 2 A.M. EST

16 New Moon occurs at

9:17 P.M. EST

20 The Moon passes 1.6° south

of Neptune, 3 P.M. EST

23 The Moon passes 5° south of

Uranus, 8 P.M. EST

24 First Quarter Moon

occurs at 5:20 P.M. EST

27 The Moon passes 0.7° north

of Aldebaran, 6 A.M. EST

30 The Moon is at perigee

(223,068 miles from Earth),

4:57 A.M. EST

31 Dwarf planet Ceres is at

opposition, 8 A.M. EST

Full Moon occurs at

8:27 A.M. EST; total

lunar eclipse

ILLUSTRATIONS BY

ASTRONOMY

: ROEN KELLY

BEGINNERS: WATCH A VIDEO ABOUT HOW TO READ A STAR CHART AT http://www.Astronomy.com/starchart.