Astronomy - September 2015

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6 7 8 9 10 11 12

13 14 15 16 17 18 19

20 21 22 23 24 25 26

27 28 29 30

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

SCORPIUS

VIRGO

LIBRA

SERPENS
CAUDA

OPHIUCHUS

LUPUS

SERPENSCAPUT

BOÖTES

COMABERENICES

CANES

VENATICI

CORONABOREALIS

URSA MAJOR

HERCULES

Antares M4

M6
7


M5

Arcturus

M51

Mizar

M13

NGC 6231

Saturn

WWW.ASTRONOMY.COM 39

Open cluster

Globular cluster

Diffuse nebula

Planetary nebula

Galaxy

W


NW


SW


MAP SYMBOLS

Note: Moon phases in the calendar vary
in size due to the distance from Earth
SEPTEMBER 2015 and are shown at 0h Universal Time.

Calendar of events


1 The Moon passes 1.1° south of
Uranus, noon EDT

4 Mercury is at greatest eastern
elongation (27°), 6 A.M. EDT

5 The Moon passes 0.5° north of
Aldebaran, 2 A.M. EDT

Venus is stationary, 5 A.M. EDT

Last Quarter Moon
occurs at 5:54 A.M. EDT

Asteroid Metis is at opposition,
11 P.M. EDT

10 The Moon passes 3° north of
Venus, 2 A.M. EDT

The Moon passes 5° south of
Mars, 7 P.M. EDT

13 New Moon occurs at
2:41 A.M. EDT; partial
solar eclipse

14 The Moon is at apogee
(252,565 miles from Earth),
7:27 A.M. EDT

15 The Moon passes 5° north of
Mercury, 2 A.M. EDT

Asteroid Ceres is stationary,
2 P.M. EDT

17 Mercury is stationary,
9 A.M. EDT

18 The Moon passes 3° north of
Saturn, 11 P.M. EDT

21 First Quarter Moon
occurs at 4:59 A.M. EDT

23 Autumnal equinox occurs at
4:21 A.M. EDT

24 Mars passes 0.8° north of
Regulus, 1 P.M. EDT

Pluto is stationary, 3 P.M. EDT

26 The Moon passes 3° north of
Neptune, 6 A.M. EDT

Asteroid Juno is in conjunction
with the Sun, midnight EDT

27 The Moon is at perigee (221,753
miles from Earth), 9:46 P.M. EDT

Full Moon occurs at
10:50 P.M. EDT; total
lunar eclipse

28 The Moon passes 1.0° south of
Uranus, 9 P.M. EDT

Asteroid Vesta is at opposition,
11 P.M. EDT

30 Mercury is in inferior
conjunction, 11 A.M. EDT

SPECIAL OBSERVING DATE
21 Venus gleams at mag-
nitude –4.8 today, the
brightest it gets during
this morning apparition.

ILLUSTRATIONS BY

ASTRONOMY

: ROEN KELLY

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