NS ARE INDICATED ALONG

S D I RE C T I O
O MP A S T HE HO
O N. C es. He is depicted in the R IZO N

The Evening Sky Map

R I Z y H e r c u l CI RC
H O l a i nb s k y w i th
M
s

EQUATORIAL EDITION
E wa s LE (
CO
D TH o n ) his le F OR
S.
A N D r a g NORTH f t foo E XA
AP
N I TH ( T he t on MP
E o
M
Z c its L
r a h e a E “ NO
KY
T HE , D
gy
.S
AUGUST 2025
E N l o d. RT
E o H”
W
W t h ).
ET my
W
TU
W N DB In R
TE
FREE* EACH MONTH FOR YOU TO EXPLORE, LEARN & ENJOY THE NIGHT SKY ES
TH MINOR CA
LO
SKY MAP SHOWS HOW
KY CEP URSA E
Follow us on Bluesky AR
β
Sky Calendar – August 2025
MA Th HE .
US
on S
THE NIGHT SKY LOOKS
e an CT
skymaps.com/bsky/
P No Thub ti
A rt h e ll
a JE

i v e OB
RO C r o
OR st
EARLY AUG 9 PM
e δ r
lco

U
AJ A

L
n
1 First Quarter Moon at 12:40 UT.

rn

co
N

IA
& A izar M RS

ES I W
N

d i s LE S T
LATE AUG 8 PM

IT
M U

N
S

ss

ct
μ DRACO
1 Moon at apogee (farthest from Earth) at 21h UT (distance

E
C

tin

.C
i
EN
sa

N TIC
(Add 1 Hour For Daylight Saving)

ON
TE i n e n
SKY MAP DRAWN FOR
404,161km; angular size 29.6').

pr

C AN A
R

a s ORIZ
t
o

bu
1
A LATITUDE OF 0°

(
m
M5

JU

VE
M9

ll
Moon near Antares at 0h UT (evening sky). Occultation

EH
4 AND IS SUITABLE

ma
T
M3

TH
t
A
9 FOR LATITUDES
visible from Antarctica, southern Argentina, southern Chile

S
ν

li
e

aro

IS
Y
UP TO 15°

s
O
t

i
u

rC
U

LE
Etamin
and Falkland Islands.

)
De
NORTH OR

wn
e

Co
A
ne

R C
o
R
b
SOUTH OF

Cr o
CI
f
E
5 Venus at northernmost declination (22.0°) at 8h UT.

t
D
h
THIS

ER
1
O

ern
e
R

l 11
61

OU T
M92

c
N
CY
Mag. –4.0.

on

h
G
GN

Me

r t
N
s

PE
US

No
TH E
t
ε Vega

O
e

ES
7 Asteroid 2 Pallas at opposition at 13h UT. Mag. 9.4.
W
ll

GA

M3
BO 3

(The
a
)
M1

ÖT
COREAL

D
t
S
i
LYRA

N
S
o
O

BO
χ RO IS

M64
Full Moon at 7:56 UT.

A
U
9
n
β NA
ES

e a li s
TH E

IT H)
C
UL

ε
y
M57 C
gn ER
12 Perseid meteor shower peaks at 0h UT. Peak lasts

a Bo r
Albireo H
C OM P

D ( ZE N
u

mm
s
rB

M2
TC
about 12 hours. Active from July 14 to September 1.

Ge
( Th

n
Cr

7
A SS D I R

o
iatrix

7
39

ART OF THE SKY DIRECTLY OVERHEA

e

r
8
rus
Produces swift, bright meteors (50-75 per hour)

o
9

M
S

C
PISC

γ
w

DE

Arctu

Vindem
a

with persistent trains. Best viewed after midnight.

M15

LP
n).
ECTION THAT APPEARS ALONG THE BOTT

SERPENS
(CAPUT)
HI
E

Alt
S

12 Venus 0.9° S of Jupiter at 7h UT (36° from Sun,

NU

VIRGO
air
Enif

IC
66
Circ

33

46
morning sky). Mags. –4.0 and –1.9.

65
let

SE

WEST
AQUARIUS
EAST

M5
RP
12 Moon near Saturn at 13h UT (morning sky). Mag. 0.8.

S
AQUILA
EN

M12
HU
M2

η
ECL S
(C

γ
UC
IPT
14 Moon at perigee (closest to Earth) at 18:04 UT AU

Mars
IC

0
DA

M1
HI
M1
1 )
(distance 369,288km; angular size 32.4').

OP
M16

rs ag o.
7009
Th e T ea p

16 Last Quarter Moon at 5:13 UT.

I S T HE P
Spica
M17 M23

M104

a
16 Moon near the Pleiades at 17h UT (morning sky).

e
M25 M21

,00 0 y
CA

A
M20
o t is a

es

BR
P Nun
tar

E MA P
19 Mercury at westernmost elongation at 10h UT

M2
R ki
OM OF

M8
IC An

LI

ver 2
T e aT h e M4

US
O
729

(19° from Sun, morning sky). Mag. 0.0.

US
SA
d i st i n

R po

OF T H
N GI t

RPI
3

TT

RV
U

ns o
TH E

R
AU PISC S AR M6
19 Moon near Jupiter at 23h UT (morning sky). Mag. –2.0. ST
RI IS IU

CO
ct p

M7

SCO
S

oma
MA P

NU

TE R
S C
att e

20 Moon near Venus at 14h UT (morning sky). Mag. –4.0. AU ORON

CE N
I ME y t h e R
ST

3
RA A
IS T

Fom

M8

A
rn o

LIS 4
6231 612

DR

HE
23 New Moon at 6:06 UT. Start of lunation 1270.
HE

alh
f ei

S. T
eb
HY
aut
SA M

gh t

anc
26 Moon near Mars at 15h UT (evening sky). Mag. 1.6.
EA

b al
bri

DT
CU
ST

27 Moon near Spica at 12h UT (evening sky). Occultation Al

gh

sa
AN
na 6397
HE

LP

G
t s E C TI

ir

da
visible from Antarctica. R 28

ES
t ar

TO

U
DI R

51

RT al i s e
AT
S

U
Symbols
si

2
582

ND
R
n t TH A

29 Moon at apogee (farthest from Earth) at 16h UT (distance

U
6752

u
ω

TA

vis

AI
h
ON

6025
e c T YO

Galaxy

N
404,548km; angular size 29.5').

st
CE
on

CE
fi r
s t e FA

Double Star

ON
as
31 First Quarter Moon at 6:24 UT. κ

)w
W
ll a CE

α
S

S
AR
E
ti o .
U

es
Sa β
Sc Variable Star

PE
n

al
31 Moon near Antares at 8h UT (evening sky). Occultation visible from gi

AP
BE tt a TRIANGULUM UX h e IT
GI riu PAVO 47
55 CR (T S Diffuse Nebula
Antarctica, south-western New Zealand and Macquarie Island. N
BY s(
Th
TU
CA
AUSTRALE r a
Li b Z ON
A
US eA NA
Coalsack
I Planetary Nebula
More sky events and links at http://Skymaps.com/skycalendar/ IN
G rc h H OR
TH er)
. ux -T O - Open Star Cluster
ES Acr ON
All times in Universal Time (UT). (Singapore Standard Time = UT + 8 hours.) KY
MA CA O RIZ Globular Star Cluster
🌟 Support The Evening Sky Map 🌟 MUS
PT M H
OF
IND F RO
SKY
• Helping curious minds to explore the night sky since January 2000 •
AB
RIG
HT S
T he M SOUTH ri z o n . N I G HT
-1 0 1 2 3 4 Star Magnitudes
TA R
il k y W
ay is ou - to -h o TI RE
Recommended Products for Sky Watchers: skymaps.com/store/ P A TT r galaxy. It stretches from horizon S T H E EN
Copyright © 2000–2024 Kym Thalassoudis. All Rights Reserved.
ER N I N W
TH E S K Y . A P SH O
All sales support the continued production of this free resource INSTRUCTIONS: THE SKY M * TERMS OF USE: FREE FOR NON-COMMERCIAL EDUCATIONAL USE. ASTRONOMY EDUCATION GROUPS
MAY FREELY DISTRIBUTE PRINTED HANDOUTS. FULL DETAILS AT http://Skymaps.com/terms.html
About the Celestial Objects Easily Seen with the Naked Eye

EQUATORIAL EDITION
AUGUST 2025
Listed on this page are several of the brighter, more interesting celestial objects Altair Aql Brightest star in Aquila. Name means "the flying eagle". Dist=16.8 ly.
visible in the evening sky this month (refer to the monthly sky map). The objects are Arcturus Boo Orange, giant K star. Name means "bear watcher". Dist=36.7 ly.
grouped into three categories. Those that can be easily seen with the naked eye (that β Centauri Cen With Alpha Centauri, forms the so-called "Pointers-to-the-Cross". Dist=525 ly.
is, without optical aid), those easily seen with binoculars, and those requiring a α Centauri Cen Nearest bright star to Sun at 4.4 ly. Brilliant double star in a telescope. 80 year period.
telescope to be appreciated. Note, all of the objects (except single stars) will Deneb Cyg Brightest star in Cygnus. One of the greatest known supergiants. Dist=1,400±200 ly.
α Herculis Her Semi-regular variable. Magnitude varies between 3.1 & 3.9 over 90 days. Mag 5.4 companion.
appear more impressive when viewed through a telescope or very large binoculars. Vega Lyr The 5th brightest star in the sky. A blue-white star. Dist=25.0 ly.
They are grouped in this way to highlight objects that can be seen using the optical Antares Sco Red, supergiant star. Name means "rival of Mars". Dist=135.9 ly.
equipment that may be available to the star gazer.
Easily Seen with Binoculars
Tips for Observing the Night Sky M2
η Aquilae
Aqr
Aql
Resembles a fuzzy star in binoculars.
Bright Cepheid variable. Mag varies between 3.6 & 4.5 over 7.166 days. Dist=1,200 ly.
When observing the night sky, and in particular deep-sky objects such as star clusters, 6397 Ara Thought to be the nearest globular. Dist=7,000 ly.
nebulae, and galaxies, it’s always best to observe from a dark location. Avoid direct χ Cygni Cyg Long period pulsating red giant. Magnitude varies between 3.3 & 14.2 over 407 days.

CELESTIAL OBJECTS
light from street lights and other sources. If possible observe from a dark location M39 Cyg May be visible to the naked eye under good conditions. Dist=900 ly.
away from the light pollution that surrounds many of today’s large cities. ν Draconis Dra Wide pair of white stars. One of the finest binocular pairs in the sky. Dist=100 ly.
You will see more stars after your eyes adapt to the darkness—usually about 10 to M13 Her Best globular in northern skies. Discovered by Halley in 1714. Dist=23,000 ly.
M92 Her Fainter and smaller than M13. Use a telescope to resolve its stars.
20 minutes after you go outside. Also, if you need to use a torch to view the sky map, ε Lyrae Lyr Famous Double Double. Binoculars show a double star. High power reveals each a double.
cover the light bulb with red cellophane. This will preserve your dark vision. R Lyrae Lyr Semi-regular variable. Magnitude varies between 3.9 & 5.0 over 46.0 days.
Finally, even though the Moon is one of the most stunning objects to view through M12 Oph Close to the brighter M10. Dist=18,000 ly.
a telescope, its light is so bright that it brightens the sky and makes many of the M10 Oph 3 degrees from the fainter M12. Both may be glimpsed in binoculars. Dist=14,000 ly.
fainter objects very difficult to see. So try to observe the evening sky on moonless IC 4665 Oph Large, scattered open cluster. Visible with binoculars.
6633 Oph Scattered open cluster. Visible with binoculars.
nights around either New Moon or Last Quarter. κ Pavonis Pav Cepheid-type. Magnitude varies between 3.9 & 4.8 over 9.088 days.
6752 Pav One of the better globular star clusters in the sky. Dist=14,000 ly.
Astronomical Glossary M15
M8
Peg
Sgr
Only globular known to contain a planetary nebula (Mag 14, d=1"). Dist=30,000 ly.
Lagoon Nebula. Bright nebula bisected by a dark lane. Dist=5,200 ly.
Conjunction – An alignment of two celestial bodies such that they present the least M25 Sgr Bright cluster located about 6 deg N of "teapot's" lid. Dist=1,900 ly.
angular separation as viewed from Earth. M22 Sgr A spectacular globular star cluster. Telescope will show stars. Dist=10,000 ly.
M4 Sco A close globular. May just be visible without optical aid. Dist=7,000 ly.
Constellation – A defined area of the sky containing a star pattern. 6231 Sco Easy to see in binoculars. Dist=5,900 ly.
Diffuse Nebula – A cloud of gas illuminated by nearby stars. M6 Sco Butterfly Cluster. 30+ stars in 7x binoculars. Dist=1,960 ly.
M7 Sco Superb open cluster. Visible to the naked eye. Age=260 million years. Dist=780 ly.
Double Star – Two stars that appear close to each other in the sky; either linked by
M5 Ser Fine globular star cluster. Telescope will reveal individual stars. Dist=25,000 ly.
gravity so that they orbit each other (binary star) or lying at different distances from 6025 TrA A small open star cluster in Milky Way. Dist=2,700 ly.
Earth (optical double). Apparent separation of stars is given in seconds of arc ("). Cr 399 Vul Coathanger asterism or "Brocchi's Cluster". Not a true star cluster. Dist=218 to 1,140 ly.
Ecliptic – The path of the Sun’s center on the celestial sphere as seen from Earth.
Telescopic Objects
Elongation – The angular separation of two celestial bodies. For Mercury and Venus the
7009 Aqr Saturn Nebula. Requires 8-inch telescope to see Saturn-like appendages.
greatest elongation occurs when they are at their most angular distance from the Sun 7293 Aqr Helix Nebula. Spans nearly 1/4 deg. Requires dark sky. Dist=300 ly.
as viewed from Earth. ε Boötis Boo Red giant star (mag 2.5) with a blue-green mag 4.9 companion. Sep=2.8". Difficult to split.
Galaxy – A mass of up to several billion stars held together by gravity. Albireo Cyg Beautiful double star. Contrasting colours of orange and blue-green. Sep=34.4".
61 Cygni Cyg Attractive double star. Mags 5.2 & 6.1 orange dwarfs. Dist=11.4 ly. Sep=28.4".
Globular Star Cluster – A ball-shaped group of several thousand old stars. γ Delphini Del Appear yellow & white. Mags 4.3 & 5.2. Dist=100 ly. Struve 2725 double in same field.
Light Year (ly) – The distance a beam of light travels at 300,000 km/sec in one year. M83 Hya Classic face-on spiral. Discovered in 1752 by Lacaille. In attractive star field.
5822 Lup Large, attractive cluster. Dist=1,800 ly. Open cluster NGC 5823 to the south.
Magnitude – The brightness of a celestial object as it appears in the sky. β Lyrae Lyr Eclipsing binary. Mag varies between 3.3 & 4.3 over 12.940 days. Fainter mag 7.2 blue star.
Open Star Cluster – A group of tens or hundreds of relatively young stars. M57 Lyr Ring Nebula. Magnificent object. Smoke-ring shape. Dist=4,100 ly.
M23 Sgr Elongated star cluster. Telescope required to show stars. Dist=2,100 ly.
Opposition – When a celestial body is opposite the Sun in the sky. M20 Sgr Trifid Nebula. A telescope shows 3 dust lanes trisecting nebula. Dist=5,200 ly.
Planetary Nebula – The remnants of a shell of gas blown off by a star. M21 Sgr A fine and impressive cluster. Dist=4,200 ly.
M17 Sgr Omega Nebula. Contains the star cluster NGC 6618. Dist=4,900 ly.
Universal Time (UT) – A time system used by astronomers. Also known as Greenwich 6124 Sco Contains 5 bright tightly packed stars near centre. 7 star chain. Dist=1,600 ly.
Mean Time. Singapore Standard Time is UT plus 8 hours. M11 Sct Wild Duck Cluster. Resembles a globular through binoculars. V-shaped. Dist=5,600 ly.
Variable Star – A star that changes brightness over a period of time. M16 Ser Eagle Nebula. Requires a telescope of large aperture. Dist=8,150 ly.
M27 Vul Dumbbell Nebula. Large, twin-lobed shape. Most spectacular planetary. Dist=975 ly.
The Evening Sky Map (ISSN 1839-7735) Copyright © 2000–2025 Kym Thalassoudis. All Rights Reserved.