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 i s e d H e . p s i c e O l N t e u c d r Z e i n I H C t y h R I b e R n O s i k a C y l H s L w s E i E a t h w H ( h ) T F i n O s o D R l NORTH g e N a M f r t E A D X f O o e A H o C h M T t T . I ( o P N n S L o E c E i Z a P t r s “ E EQUATORIAL EDITION D A N h , H e O y T M a R g d T o N Y . l H E o ” K E h ) t W S . y . T T m E U W B n R I N The Evening Sky Map W D E T T AUGUST 2011 WH A MINOR E C FREE* EACH MONTH FOR YOU TO EXPLORE, LEARN & ENJOY THE NIGHT SKY O S L K CEPHEUS URSA Y E β R M T . A h A n SKY MAP SHOWS HOW e Get Sky Calendar on Twitter S P o i T N t C A Thuban a o E R l l r Sky Calendar – August 2011 J http://twitter.com/skymaps O t THE NIGHT SKY LOOKS e B h t U δ e s O N r n n L D o A c NE C & Alcor & I MAJOR I EARLY AUG 9 PM r T T e o URSA S Mizar v 1 Moon near Regulus (21° from Sun, evening sky) at 7h UT. S s i E DRACO s NW t C μ L c E i E s n N LATE AUG 8 PM i C T t a . s E 1 Moon near Mercury (22° from Sun, evening sky) at 9h UT. (Add 1 Hour For Daylight Saving) i p N R d r O o ( t SKY MAP DRAWN FOR Z J m I u U R b i 2 Moon at perigee (closest to Earth) at 21h UT (365,761 km; 32.7'). M51 n S A LATITUDE OF 0° O l CANES VENATICI T l e M94 H a n A M39 t AND IS SUITABLE E m S s f H ν 4 Moon near Saturn (evening sky) at 6h UT. Mag. +0.9. e Y T a FOR LATITUDES UP a O t S s U u I i Etamin TO 15° NORTH r Deneb ) A E 5 Moon near Spica (evening sky) at 1h UT. e n L R o C Cor Caroli Cor OR SOUTH OF E w f R o D I t r THIS h C O C 6 First Quarter Moon at 11:08 UT. e I R R n 61 N r c E CYGNUS G M92 o e T l 111 l n h U N 8 Moon near Antares (evening sky) at 7h UT. t s PEGASUS r O O Me t ε Vega o e W E l N l ) H BOREALIS a T 13 Perseid meteor shower maximum predicted between e TES t S M3 M13 h i CORONA O LYRA o D T χ n ( N β T 1h and 13h UT, perhaps at 6h UT. Active from July 17 H A s BOÖ C i ε E M64 l y ) M57 a g H C e to August 24. Produces swift, bright meteors (50 to n Al T HERCULES b O ir r eo I u o M s N B M27 P E 100 per hour) many with persistent trains. Very ( A Z T a Cr 399 Cr ( S h Gemma n S e o D unfavorable this year due to strong moonlight. r D A S o PISCES trix γ I E w DELPHINUS C a R i H a E M15 R 13 Full Moon at 18:57 UT. n C α E ) em T . V Arcturus I Altair O O nd 16 Venus at superior conjunction with the Sun at N Enif Vi Y IC 4665 IC 6633 L Circlet T T H 12h UT. Passes into the evening sky (not visible). C A E (CAPUT) SERPENS T R AQUARIUS I EAST VIRGO A SERPENS (CAUDA) D P 17 Mercury at inferior conjunction with the Sun at AQUILA M5 P Y M2 η E K A S 1h UT. Mercury passes into the morning sky. M12 R turn γ E C E S L WEST I H P A Sa T I T C M10 18 Moon at apogee (farthest from Earth) at 16h UT L M11 F O O N 7009 OPHIUCHUS . T (distance 405,161 km; angular size 29.5'). G T M16 o R h g T A e H a P E T s 20 Moon near Jupiter (morning sky) at 9h UT. Mag. –2.6. M17 M23 r E e B a a H Spica e O p β T M25 M21 y T o S T M104 21 Last Quarter Moon at 21:54 UT. t CAPRICORNUS M20 0 I O i M22 0 M s Nunki P 0 , A a M8 O 2 22 Moon near the Pleiades (88° from Sun, morning sky) 7293 LIBRA M F d Antares The r i Teapot M4 e E T s SAGITTARIUS at 0h UT. H t v H i R o T E n PISCIS c s F M AUSTRINUS M6 t n O A p M7 CORVUS a 22 Moon near Aldebaran (morning sky) at 22h UT. R P a m E t I CORONA SCORPIUS o T S t e R N Fomalhaut AUSTRALIS r E 22 Neptune at opposition (midnight sky) at 23h UT. The T n e H C M83 h o t E E f 6124 best time to view the most distant planet in the Solar S 6231 y H A e b T i M g HYDRA e . E h c S System. Requires a telescope (see map). Mag. +7.8. t n E A b a M S SCULPTOR l I r a T T ig b H 25 Moon near Mars (47° from Sun, morning sky) at 13h UT. h a D E t Alnair N s 6397 s A D t GRUS a Mag. +1.4. I a S R r d E E s e T C 5128 is A T in l 26 Moon near Pollux (morning sky) at 3h UT. I a D O th 5822 u N Symbols N 6752 ω is I e v A T c T H o 6025 st R 27 Moon near Beehive cluster (morning sky) at 3h UT. A n CENTAURUS ir E Galaxy T s f C Y te s O l SE a N U la w O 29 New Moon at 3:04 UT. Start of lunation 1097. t κ S Double Star F io α ) R A n SW es A C β al E E. Sa c P Variable Star 30 Moon at perigee (closest to Earth) at 18h UT (360,858 km; 33.1'). B g S P E it e A G ta TRIANGULUM Th IT IN ri PAVO 4755 CRUX ( S Diffuse Nebula 31 Moon near Saturn (evening sky) at 20h UT. Mag. +0.9. B us TUCANA AUSTRALE ra A Y ( b N U T Li O S he IZ Planetary Nebula I Coalsack R NG Ar O More sky events and links at http://Skymaps.com/skycalendar/ ch -H TH er O Open Star Cluster E ). -T SK Acrux ON All times in Universal Time (UT). (Singapore Standard Time = UT + 8 hours.) Y IZ MA OR Globular Star Cluster P T MUSCA H O OM FIN FR SAVE ON RECOMMENDED PRODUCTS • http://Skymaps.com/store D KY A B T S RIG Th n. IGH Star Magnitudes HT e Mi SOUTH rizo E N -101234 • Star Atlases & Planispheres • Star Charts & Astro Posters STA lky Wa -to-ho TIR R PA y is our horizon E EN • Books for Sky Watchers • Telescopes & Binoculars TTER galaxy. It stretches from S TH Copyright © 2000–2011 Kym Thalassoudis. All Rights Reserved. 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 Naked Eye 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. 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.