Quick viewing(Text Mode)

The Evening Sky Map R

The Evening Sky Map R

I N

E D R

I A C

A S T

N E O

D I

T

A

C

L

E

O R

N I

G D

S T

S

H

A E

P

H

M

O

O

R

C

I

.

Z

N

O

r h e e v

a o

d y . l

t

A O N

c

q

e

u

r

i Z a

d

r

i

I u s

C e s

i

l R I p

) o

R

O

h u

s

r

C

i

s

H

F

L

w

n E

E a r

t

e

e H

( h

r

t

T

F

i

u

O n

o

NORTH D t

R S

o

N

e

M i

E

t A h

s

X

T

O

( A m

H

s

M

C T o

u

. I u

P

n

t

N i

L

S h r

E

t

E .

Z s P

u “

E

A

A N

H

O SOUTHERN HEMISPHERE s

i

M T R

c

M39

s T

N Y i

H

E P

” K E

)

W

S .

. T

T

E

W U B Deneb

T R

h

N

W D

e

E

T

T

W G H

A

The Evening Sky Map r

e OCTOBER 2018

E M31 C

a

O

FREE* EACH MONTH FOR YOU TO EXPLORE, LEARN & ENJOY THE NIGHT SKY . S t

L s

K

S

u

Y

E q

e

u R

Z

M

a

A

ε

A d r

e

S

o SKY MAP SHOWS HOW

Get Sky Calendar on Twitter P

T

Vega g

o 61

C A

f

k

E

R

P e

J

ANDROMEDA

http://twitter.com/skymaps O

e e

Sky Calendar – October 2018 CYGNUS

B THE NIGHT SKY LOOKS r

U

g

O

G

a N

s

L

D e

u

A h

NE

s

I t

I

T

LYRA EARLY OCT PM

T 9

i f

S

s

β

2 at 9:46 UT. S Last Quarter Moon o

E

NW

a

C

χ

s

L

E

t

l M33

E

l

a N

C LATE OCT 8 PM

o

r

T

M57

g

b .

E

3 Moon near Castor (morning sky) at 7h UT. r (Add 1 Hour For Daylight Saving) e

N

R

e

a O

d

(

Z s SKY MAP DRAWN FOR

n

J

Albireo I t

U u

e

R

h r

3 Moon near Pollux (morning sky) at 11h UT. S

O A LATITUDE OF 35°

i t

T

s

H

m

e

A

E h SOUTH AND IS .

S

M27 t

H

4 Moon near Beehive cluster M44 (morning sky) at 10h UT. I

Y

t T d

SUITABLE FOR of Pegasus of

O

e

c

S i

U

o

I

r

Great Square Great ARIES

PEGASUS

r

n LATITUDES UP

A E Hamal

a

5 Moon at perigee (closest to Earth) at 22:31 UT t

L c R a

C

i E γ TO 15° NORTH

t

n

Cr 399 Cr DELPHINUS

R

a

D

I s γ

M15

h

(366,392 km; angular size 32.6').

C OR SOUTH

O

t f HERCULES

PISCES

e Enif I

R

e N w

l

E OF THIS

G

g T

n

5 Moon near Regulus (morning sky) at 23h UT. a

U

N a Altair

e

O

k

O

e

e

W E

d

E C L I P T I h )

C H

t

9 New Moon at 3:47 UT. Start of lunation 1185. -

Circlet

e T

S

s

y AQUARIUS

t

O

α

D e

M2

n

N

T e s

10 Moon near Venus (evening sky) at 22h UT. Mag. –4.4. η

H A s t

a 6633 e

E

)

r

r

s

H p C

.

T

e

O

11 Moon near Jupiter (evening sky) at 23h UT. Mag. –1.8. r I

M

N

a

P

l E

IC 4665 IC

i

A

AQUILA Z

u

(

13 Moon near Antares (evening sky) at 6h UT. S

7009

q

S

CETUS

D

A

M11

D

A

n

I E

R

15 Moon near Saturn (evening sky) at 3h UT. Mag. 0.5. o

H

i

E

7293 (CAUDA) t R

SERPENS C

a

E Mira

l T

l V

16 at 18:01 UT. I First Quarter Moon e

O

O

Diphda

OPHIUCHUS

t

N

s

Y

Fomalhaut

n L

T

T

o T

17 Moon at apogee (farthest from Earth) at 19h UT H Mars

SCULPTOR

C c

h

M16

A M12

E

e

e M10

T CAPRICORNUS

R

M17

h

PISCIS

L I EAST

(distance 404,227 km; angular size 29.6'). 253

A

T a

AUSTRINUS D

M25

P

r g

M22

P Y

e

E

K Nunki Saturn 18 Moon near Mars (evening sky) at 12h UT. Mag. –0.9. A

S M21

M23

M

R

E a Teapot S The WEST

M20 g H

M8

A 21 Orionid meteor shower peaks. Arises from the e T

l L

l F

O a

O n FORNAX PHOENIX N debris field of Comet Halley. Active from October SAGITTARIUS i T G c

R

T C A

2 to November 7. Produces very fast (66 km/sec), H l GRUS Alnair P o

E u E M6 B d M7 H generally faint meteors (20 per hour). Radiant CORONA

O T ( AUSTRALIS T L S T M α I O located near Orion’s club asterism. Observe after C . M P ) SCORPIUS ) x A β a ERIDANUS O TUCANA u midnight on night of 21/22. M n r F ζ d C E T M4 (

θ H t Antares Jupiter H s h Achernar PAVO T 24 Full Moon at 16:46 UT. E s e 6752 β o F M 6397 r S 6231 O A C m P R 26 with the Sun at 14h UT. a 47 Tuc n Venus at inferior conjunction E r l I l e T S 6124 κ N M h The brightest planet passes into the morning sky. T t E H a u C g E o e S E l SMC S l LIBRA H A a e T 26 Moon near the (morning sky) at 21h UT. M n h . i t E c S d E A C n 6025 i M 27 Moon near Aldebaran (morning sky) at 13h UT. S lo f I T T u o H d t D i E ( r N 29 Mercury 3.1° SSW of Jupiter (22° from Sun, evening sky) S A D M u I SCP a S R C t ) E at 7h UT. Mags. –0.2 and –1.7. E n T C a e A T r LMC TRIANGULUMAUSTRALE 5822 C I e D O ) N c β N Symbols 30 Moon near Castor (morning sky) at 12h UT. o 2070 ( I T m α a A H p t T a e R A n B E T C 30 Moon near Pollux (morning sky) at 17h UT. Y io d O n n N U SE β a O g ) S Double F a CENTAURUS R A la SW (α A 31 Moon near Beehive cluster M44 (morning sky) at 16h UT. C x MUSCA E E ie a P . s ph P Variable Star B t l A E o A 31 Last Quarter Moon at 16:41 UT. G T Coalsack ” IT IN h 4755 rs S Diffuse e te A BY M n 31 Moon at perigee (closest to Earth) at 20:24 UT (370,204 km; angular size 32.3'). il Acrux ω oi ON US ky P Z I W e RI N a h O G y 2516 “T H More sky events and links at http://Skymaps.com/skycalendar/ TH . 2808 se O- Open Star Cluster E IC 2602 U -T SK CRUX ON Y R 3372 IZ All times in Universal Time (UT). (Australian Eastern Standard Time = UT + 10 hours.) MA OR Globular Star Cluster P T 3918 H O F OM FIN rom 3114 3532 FR SAVE ON RECOMMENDED PRODUCTS • http://Skymaps.com/store D so ). KY A B uth 3293 SCP T S RIG ern le ( IGH Star Magnitudes HT latit SOUTH al Po E N -1 0 1 2 3 4 • Star Atlases & Planispheres • Star Charts & Astro Posters STA udes, elesti TIR R PA ap South C E EN TTER pear to rotate around the S TH Copyright © 2000–2018 Kym Thalassoudis. All Rights Reserved. • Books for Sky Watchers • Telescopes & Binoculars N IN SHOW THE SKY KY MAP All sales support the production and free distribution of The Evening Sky Map. . INSTRUCTIONS: THE S * 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 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=16.7 ly. visible in the evening sky this month (refer to the monthly sky map). The objects are Canopus Car Second brightest star in the sky. 14,000 times more luminous than the Sun. Dist=309 ly. Centauri Cen With Alpha Centauri, forms the so-called "Pointers-to-the-Cross". Dist=525 ly. grouped into three categories. Those that can be easily seen with the naked eye (that β α Centauri Cen Nearest bright star to Sun at 4.4 ly. Brilliant double star in a telescope. 80 year period. is, without optical aid), those easily seen with binoculars, and those requiring a Coalsack Cru Most famous naked-eye dark nebula. Requires dark sky. Dist=600 ly. 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. appear more impressive when viewed through a telescope or very large Achernar Eri Brightest star in Eridanus, The River. Arabic name meaning "end of river". Dist=140 ly. Fomalhaut PsA Brightest star in Piscis Austrinus. In Arabic the "fish's mouth". Dist=25 ly. binoculars. They are grouped in this way to highlight objects that can be seen using OCTOBER 2018 Antares Sco Red, supergiant star. Name means "rival of Mars". Dist=135.9 ly. the optical equipment that may be available to the star gazer. Easily Seen with Binoculars Tips for Observing the Night Sky M31 And The Andromeda Galaxy. Most distant object visible to naked eye. Dist=2.93 million ly. When observing the night sky, and in particular deep-sky objects such as star clusters, SOUTHERN HEMISPHERE M2 Aqr Resembles a fuzzy star in binoculars. nebulae, and , it’s always best to observe from a dark location. Avoid direct η Aquilae Aql Bright Cepheid variable. Mag varies between 3.6 & 4.5 over 7.166 days. Dist=1,200 ly. 6397 Ara Thought to be the nearest globular. Dist=7,000 ly. light from street lights and other sources. If possible observe from a dark location Mira Cet Famous long period variable star. Mag varies between 3.0 & 10.1 over 332 days. away from the light pollution that surrounds many of today’s large cities. χ Cygni Cyg Long period pulsating red giant. Magnitude varies between 3.3 & 14.2 over 407 days. You will see more stars after your eyes adapt to the darkness—usually about 10 to M39 Cyg May be visible to the naked eye under good conditions. Dist=900 ly. 20 minutes after you go outside. Also, if you need to use a torch to view the sky LMC Dor Large Magellanic Cloud. A neighbouring galaxy of the Milky Way. Dist=180,000 ly. map, cover the light bulb with red cellophane. This will preserve your dark vision. IC 4665 Oph Large, scattered . Visible with binoculars. 6633 Oph Scattered open cluster. Visible with binoculars. Finally, even though the Moon is one of the most stunning objects to view κ Pavonis Pav Cepheid-type. Magnitude varies between 3.9 & 4.8 over 9.088 days. through a telescope, its light is so bright that it brightens the sky and makes many of 6752 Pav One of the better globular star clusters in the sky. Dist=14,000 ly. the fainter objects very difficult to see. So try to observe the evening sky on M15 Peg Only globular known to contain a planetary nebula (Mag 14, d=1"). Dist=30,000 ly. moonless nights around either New Moon or Last Quarter. ζ Phoenicis Phe Eclipsing binary star and double (mag 8). Varies between 3.9 & 4.4 over 1.667 days. M8 Sgr Lagoon Nebula. Bright nebula bisected by a dark lane. Dist=5,200 ly. M25 Sgr Bright cluster located about 6 deg N of "teapot's" lid. Dist=1,900 ly. Astronomical Glossary M22 Sgr A spectacular globular star cluster. Telescope will show stars. Dist=10,000 ly. Conjunction – An alignment of two celestial bodies such that they present the least M4 Sco A close globular. May just be visible without optical aid. Dist=7,000 ly. 6231 Sco Easy to see in binoculars. Dist=5,900 ly. angular separation as viewed from Earth. M6 Sco Butterfly Cluster. 30+ stars in 7x binoculars. Dist=1,960 ly. – A defined area of the sky containing a star pattern. M7 Sco Superb open cluster. Visible to the naked eye. Age=260 million years. Dist=780 ly. 253 Scl Fine, large, cigar-shaped galaxy. Requires dark sky. Member of Sculptor Group. Diffuse Nebula – A cloud of gas illuminated by nearby stars. Tuc Spectacular object. Telescope will reveal stars. Near edge of SMC. Dist=15,000 ly. Double Star – Two stars that appear close to each other in the sky; either linked by β Tucanae Tuc Complex multiple star. Binoculars show one pair. Telescope required to split primary star. gravity so that they orbit each other (binary star) or lying at different distances from SMC Tuc Small Magellanic Cloud. Companion galaxy to Milky Way. Requires dark sky. Dist=210,000 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 7009 Aqr . Requires 8-inch telescope to see Saturn-like appendages. the greatest elongation occurs when they are at their most angular distance from the 7293 Aqr . Spans nearly 1/4 deg. Requires dark sky. Dist=300 ly. Sun as viewed from Earth. γ Arietis Ari Impressive looking double blue-white star. Visible in a small telescope. Sep=7.8". Albireo Cyg Beautiful double star. Contrasting colours of orange and blue-green. Sep=34.4". Galaxy – A mass of up to several billion stars held together by gravity. CELESTIAL OBJECTS 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. 2070 Dor . A bright nebula located in LMC. A star-forming region. Light Year (ly) – The distance a beam of light travels at 300,000 km/sec in one year. θ Eridani Eri Striking blue-white double star. Mags 3.2 & 4.3. Visible in a small telescope. Sep=8.2". Magnitude – The brightness of a celestial object as it appears in the sky. 5822 Lup Large, attractive cluster. Dist=1,800 ly. Open cluster NGC 5823 to the south. M57 Lyr Ring Nebula. Magnificent object. Smoke-ring shape. Dist=4,100 ly. Open Star Cluster – A group of tens or hundreds of relatively young stars. 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. M21 Sgr A fine and impressive cluster. Dist=4,200 ly. Planetary Nebula – The remnants of a shell of gas blown off by a star. 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. Australian Eastern Standard Time (Sydney, Australia) is UT plus 10 hours. M11 Sct Wild Duck Cluster. Resembles a globular through binoculars. V-shaped. Dist=5,600 ly. M16 Ser Eagle Nebula. Requires a telescope of large aperture. Dist=8,150 ly. Variable Star – A star that changes brightness over a period of time. M27 Vul Dumbbell Nebula. Large, twin-lobed shape. Most spectacular planetary. Dist=975 ly. The Evening Sky Map (ISSN 1839-7735) Copyright © 2000–2018 Kym Thalassoudis. All Rights Reserved.