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 a r e o t u a n t o d r O N t o h t e Z r N a I e o C p r t p R h I a R C s O e r C a l H e t L s s t , E E i s a e l H ( d P T F u o t O l i e NORTH D t R a ( l N N M E A n C X r O P e A ) H h . M C T t r . I P o N L S n E E P Z m “ o E r A N F H O NORTHERN HEMISPHERE M T R LYNX T Y N H E ” K E ) W S . T Capella T E W U B R N W D E T W T H The Evening Sky Map A SEPTEMBER 2021 E C T FREE* EACH MONTH FOR YOU TO EXPLORE, LEARN & ENJOY THE NIGHT SKY O S h L K e Y E CAMELOPARDALIS b R M r i A g A h S SKY MAP SHOWS HOW Get Sky Calendar on Twitter P T t URSA MAJOR URSA C A s E R t . J a r Sky Calendar – September 2021 http://twitter.com/skymaps O r a B THE NIGHT SKY LOOKS U s t O S N o L D f h A t NE C r I I a T EARLY SEPT PM T o 9 M81 s S S N 2 Moon near Castor at 23h UT (morning sky). s E i NW C o e L E p “ h E N T t e M82 O C LATE SEPT 8 PM T i , P . a E O 3 Moon near Pollux at 5h UT (morning sky). s (Add 1 Hour For Daylight Saving) L i N R PERSEUS A f r R o O a I ( S l Z r SKY MAP DRAWN FOR J ” m I o T U R H P S 4 Moon near Beehive cluster M44 at 7h UT (morning sky). E a O A LATITUDE OF 40° T N d H O W n R A Dipper i T E - NORTH AND IS f H S Algol s H The Big The S h 5 at 21h UT (evening sky). Mags. –4.1 & 1.0. o Venus 1.6° NNE of Spica T Y T t A M94 a SUITABLE FOR O R CANES VENATICI p S ) U I e h Cluster LATITUDES UP g A E 7 at 0:51 UT. Start of lunation 1221. t New Moon Double h u Polaris L R a C o E TO 15° NORTH l & Alcor & NCP t R P Mizar Caroli D I MINOR i Cor C r s OR SOUTH O M51 9 Moon near Mercury at 2h UT (evening sky). Mag. 0.1. URSA o I e R ( N CASSIOPEIA a Thuban E OF THIS M64 r G s T e y U N p 9 Moon near Spica at 22h UT (evening sky). CEPHEUS t O O p o γ i Dipper W E D r ANDROMEDA ) e H Little g T 10 Moon near Venus at 6h UT (evening sky). Mag. –4.1. c i S o O B D g η M3 N n ARIES e T β DRACO H i A h z 10 Asteroid 2 Pallas at opposition at 17h UT (evening t E e ) . Hamal E e H C s T sky). Mag. 8.6. O C I U M33 M L N M31 P I E A P Z ( 11 Moon at perigee (closest to Earth) at 9:53 UT S δ T S D I γ ν D C μ A Arcturus I E (distance 368,461 km; angular size 32.4'). T ε R h H E e R C E a T 13 Moon near Antares at 3h UT (evening sky). V n I O O c N i Etamin Y e M39 L n Deneb T 13 First Quarter Moon at 20:40 UT. M92 BOÖTES T t H C PISCES A c E M13 o T R R CORONA Gemma n I EAST 14 Mercury at greatest elongation east at 4h UT BOREALIS A Great Square Great s D P of Pegasus of t ε e P Y CYGNUS Vega l (27° from Sun, evening sky). Mag. 0.2 E K l 61 a A S t R i E S o WEST β H 14 Neptune at opposition at 9h UT. Mag. 7.8. n A T L o F LYRA . O f M57 χ ” O N s 17 Moon near Saturn at 5h UT (evening sky). Mag. 0.4. A T G Summer Triangle d q Albireo o R u PEGASUS HERCULES T g A a H VIRGO P r M27 18 Moon near Jupiter at 10h UT (evening sky). Mag. –2.8. e E i u h E M5 B s t H α SERPENS (CAPUT) O r f T e 20 Full Moon at 23:54 UT. T o S T p Cr 399 I O Circlet d r γ e a M P s o M15 A 21 Mercury 1.4° SSW of Spica at 15h UT (25° from e DELPHINUS r O n “ M F t Enif e s E T Sun, evening sky). Mags. 0.4 and 1.0. h H a Altair IC 4665 t H T E y s CETUS o a F M AQUARIUS 6633 u O 22 September equinox at 19:22 UT. The time when the t A n M12 i R P g d E OPHIUCHUS I m e T Sun reaches the point along the ecliptic where it S i M2 M10 f N a η LIBRA i E T n t H SERPENS C n crosses into the southern celestial hemisphere marking E p (CAUDA) e E o AQUILA d H S u i A T r Diphda s the start of autumn in the Northern Hemisphere and M i . n M11 t E e S g E o A w p M spring in the Southern Hemisphere. S I a 7009 M16 t T T t β n H e Jupiter e r i D E f c N 26 Moon near the Pleiades at 3h UT (morning sky). r n A D o I m M17 A S R CAPRICORNUS . E E a 7293 M23 y T 26 Moon near Aldebaran at 21h UT (morning sky). C k A T j M25 s D I a Saturn M21 e O r M20 N N i th I Symbols n A 26 Moon at apogee (farthest from Earth) at 22h UT (distance T t Antares s T H o Fomalhaut Nunki M4 s R A t M22 M8 ro E Galaxy T h c C 404,640 km; angular size 29.5'). Y e AUSTRINUSPISCIS a O m s N U SE The e O o Teapot h S Double Star F u c R 29 Last Quarter Moon at 1:57 UT. A th SW et A CE o tr E . f s P Variable Star B a SAGITTARIUS M6 y P E l SCORPIUS a A 30 Moon near Castor at 8h UT (morning sky). G ar W IT IN g y S Diffuse Nebula e lk A B fi M7 i Y sh M N 30 Moon near Pollux at 13h UT (morning sky). U , e ZO SI P Th I Planetary Nebula N isc CORONA OR G is H More sky events and links at http://Skymaps.com/skycalendar/ TH A GRUS AUSTRALIS O- Open Star Cluster E us -T SK tri ON Y nu IZ All times in Universal Time (UT). (USA Eastern Summer Time = UT – 4 hours.) MA s. OR Globular Star Cluster P T H O OM FIN FR SAVE ON RECOMMENDED PRODUCTS • http://Skymaps.com/store D A The SKY B Sum . T RIG me head IGH Star Magnitudes HT r Tria SOUTH over E N -1 0 1 2 3 4 • Star Atlases & Planispheres • Star Charts & Astro Posters STA ngle stars TIR R PA – Vega, bright E EN TTER Altair, and Deneb – three S TH Copyright © 2000–2021 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 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=16.7 ly. visible in the evening sky this month (refer to the monthly sky map). The objects are Capella Aur The 6th brightest star. Appears yellowish in color. Spectroscopic binary. Dist=42 ly. 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 δ Cephei Cep Cepheid prototype. Mag varies between 3.5 & 4.4 over 5.366 days.