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E a Teapot o W N S c (CAUDA) ri I K o β M25 M22 O S Y NE 6633 U (T r M h CYGNUS te Y A e SE n B u P D h N A ra I R g e EG O o Nunki h U n Albireo M11 t B N ) d E. D w lle C I a ki FA T s y S sl SAGITTARIUS g U CE ai χ lo YO N n Cr 399 o T TE by th A R H my TH ( er AQUILA k JU cu ee ON ST le Gr TI A s. n EC S He t i IR YO is ha D U de n t HE AR pic pio S T E D ted Altair cor A OI in η e s ME NG the is th SA E Charts & Astro• Star Posters & Binoculars • Telescopes NOW sky w EAST rpius TH ) S ith h Sco IS O T is left MAP HE C foot on its head. THE OMPA M OF SS DIRE BOTTO CTION THAT APPEARS ALONG THE Get Sky Calendar on Twitter http://twitter.com/skymaps , 24° east of Sun , 24° east of (46° from Sun, evening Sun, evening (46° from (22° from Sun, evening Sun, evening (22° from (17° from Sun, morning sky) at 2h UT. Sun, morning (17° from SAVE ON RECOMMENDED PRODUCTS • http://Skymaps.com/store SAVE • Star Atlases & Planispheres Atlases • Star • Books for Sky Watchers Thank you! Sky Map. Evening The of distribution free and production All sales support the with the Sun at 16h UT. Sun at 16h UT. with the (22° from Sun, evening sky) at 8h UT. sky) at 8h UT. Sun, evening (22° from (116° from Sun, evening Sun, evening (116° from (evening sky) at 18h UT. (evening (evening sky) at 0h UT. (evening at 17:24 UT. at 4:54 UT. (127° from Sun, evening sky) Sun, evening (127° from (evening sky) at 15h UT. (evening (19° from Sun, evening sky) at 9h UT. sky) at 9h UT. Sun, evening (19° from (closest to Earth) at 11h UT (356,911 km; (farthest from Earth) at 22h UT (distance Earth) at 22h UT (distance from (farthest (12° from Sun, morning sky) at 14h UT. Mag. +1.4. Mag. sky) at 14h UT. Sun, morning (12° from at 5:04 UT. The time when the Sun the when time The at 5:04 UT. at 15:58 UT. Start of lunation 1119. lunation Start of at 15:58 UT. at 11:33 UT. Moon near Regulus New Moon New Full Moon Last Quarter Moon Moon near Mars Moon near the Pleiades sky) at 21h UT. Quarter Moon First near Spica Moon very southern visible from Occultation sky) at 22h UT. Madagascar. and Africa Jupiter at conjunction visible). sky (not morning the into Passes Moon near Saturn +0.5. Mag. at 17h UT. Venus 1.9° S of Mercury –3.9. An excellent +1.3 and Mags. sky) at 7h UT. elusive Mercury. to find opportuntiy June solstice celestial the of north farthest point the reaches Northern in the summer start of the marking equator Hemisphere. Southern in the winter and Hemisphere Moon near Antares Moon at apogee size 29.4'). 406,486 km; angular Moon near Venus –3.9. Mag. Moon near Pollux +0.5. Mag. sky) at 17h UT. (evening cluster Moon near Beehive Pollux 5.2° S of Venus +1.2. –3.9 and Mags. Moon at perigee 33.5'). Nearest in 2013. Occurs about half an hour before Full before in 2013. Occurs about half an hour 33.5'). Nearest expected! tides so very high Moon Mercury at greatest elongation at greatest Mercury FREE* EACH MONTH FOR YOU TO EXPLORE, LEARN & ENJOY THE NIGHT SKY The Evening Sky Map 14 16 18 19 19 20 21 22 8 9 10 11 12 22 23 30 at http://Skymaps.com/skycalendar/ and links sky events More = UT + 8 hours.) Time Standard (UT). (Singapore Time in Universal All times 23 12 7 Sky Calendar – June 2013 7 About the Celestial Objects Easily Seen with the Naked Eye Listed on this page are several of the brighter, more interesting celestial objects Arcturus Boo Orange, giant K star. Name means "bear watcher". Dist=36.7 ly. visible in the evening sky this month (refer to the monthly sky map). The objects are β Centauri Cen With Alpha Centauri, forms the so-called "Pointers-to-the-Cross". Dist=525 ly. α Centauri Cen Nearest bright star to Sun at 4.4 ly. Brilliant double star in a telescope. 80 year period. grouped into three categories. Those that can be easily seen with the naked eye (that Coalsack Cru Most famous naked-eye dark nebula. Requires dark sky. Dist=600 ly. is, without optical aid), those easily seen with binoculars, and those requiring a α Herculis Her Semi-regular variable. Magnitude varies between 3.1 & 3.9 over 90 days. Mag 5.4 companion. JUNE 2013 telescope to be appreciated. Note, all of the objects (except single stars) will Regulus Leo Brightest star in Leo. A blue-white star with at least 1 companion. Dist=77 ly. appear more impressive when viewed through a telescope or very large Vega Lyr The 5th brightest star in the sky. A blue-white star. Dist=25.0 ly. binoculars. They are grouped in this way to highlight objects that can be seen using Antares Sco Red, supergiant star. Name means "rival of Mars". Dist=135.9 ly. Spica Vir Latin name means "ear of wheat" and shown held in Virgo's left hand. Dist=250 ly. the optical equipment that may be available to the star gazer. Easily Seen with Binoculars EQUATORIAL EDITION EQUATORIAL Tips for Observing the Night Sky 6397 Ara Thought to be the nearest globular. Dist=7,000 ly. When observing the night sky, and in particular deep-sky objects such as star clusters, M3 CVn Easy to find in binoculars. Might be glimpsed with the naked eye. nebulae, and galaxies, it’s always best to observe from a dark location. Avoid direct 3372 Car Eta Carinae Nebula. Enormous glowing cloud in rich star field. Dist=8,000 ly. 3532 Car Herschel -- "most brilliant cluster". 60+ stars in 7x binoculars. Dist=1,300 ly. light from street lights and other sources. If possible observe from a dark location ω Centauri Cen Largest and brightest globular star cluster in sky. 1 million stars. Dist=17,000 ly. away from the light pollution that surrounds many of today’s large cities. Mel 111 Com Coma Berenices. 80 mag 5-6 stars in 5 deg. Dist=288 ly. Age=400 million years. You will see more stars after your eyes adapt to the darkness—usually about 10 to 4755 Cru Jewel Box. Outstanding star cluster. Many contrasting colours. Dist=7,600 ly. 20 minutes after you go outside. Also, if you need to use a torch to view the sky ν Draconis Dra Wide pair of white stars. One of the finest binocular pairs in the sky. Dist=100 ly. map, cover the light bulb with red cellophane. This will preserve your dark vision. 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. Finally, even though the Moon is one of the most stunning objects to view R Hydrae Hya Long period variable. Mag varies between 3.0 & 11.0 over 390 days. Brilliant red. through a telescope, its light is so bright that it brightens the sky and makes many of M12 Oph Close to the brighter M10. Dist=18,000 ly. the fainter objects very difficult to see. So try to observe the evening sky on M10 Oph 3 degrees from the fainter M12. Both may be glimpsed in binoculars. Dist=14,000 ly. moonless nights around either New Moon or Last Quarter. IC 4665 Oph Large, scattered open cluster. Visible with binoculars. 6633 Oph Scattered open cluster. Visible with binoculars. M8 Sgr Lagoon Nebula. Bright nebula bisected by a dark lane. Dist=5,200 ly. Astronomical Glossary M25 Sgr Bright cluster located about 6 deg N of "teapot's" lid. Dist=1,900 ly. Conjunction – An alignment of two celestial bodies such that they present the least 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. angular separation as viewed from Earth. 6231 Sco Easy to see in binoculars. Dist=5,900 ly. Constellation – A defined area of the sky containing a star pattern. 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. Diffuse Nebula – A cloud of gas illuminated by nearby stars. TelescopicM5 Ser ObjectsFine globular star cluster. Telescope will reveal individual stars. Dist=25,000 ly. Double Star – Two stars that appear close to each other in the sky; either linked by 6025 TrA A small open star cluster in Milky Way. Dist=2,700 ly. gravity so that they orbit each other (binary star) or lying at different distances from Mizar & Alcor UMa Good eyesight or binoculars reveals 2 stars. Not a binary. Mizar has a mag 4 companion. Earth (optical double). Apparent separation of stars is given in seconds of arc (").

Ecliptic – The path of the Sun’s center on the celestial sphere as seen 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. Elongation – The angular separation of two celestial bodies. For Mercury and Venus M94 CVn Compact nearly face-on spiral galaxy. Dist=15 million ly. the greatest elongation occurs when they are at their most angular distance from the M51 CVn Whirlpool Galaxy. First recognised to have spiral structure. Dist=25 million ly. Sun as viewed from Earth. 3918 Cen The Blue Planetary. Visible in a small telescope as a round blue disk. 5128 Cen Bisected by a wide obscuring lane. Strong radio source. Dist=11 million ly. Galaxy – A mass of up to several billion stars held together by gravity. CELESTIAL OBJECTS M64 Com Black-Eye Galaxy. Discovered by J.E. Bode in 1775 -- "a small, nebulous star". Globular Star Cluster – A ball-shaped group of several thousand old stars. 3242 Hya Ghost of Jupiter. Bright blue disk. Mag 11 central star. Dist=2,600 ly. M83 Hya Classic face-on spiral. Discovered in 1752 by Lacaille. In attractive star field. Light Year (ly) – The distance a beam of light travels at 300,000 km/sec in one year. 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. 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. Open Star Cluster – A group of tens or hundreds of relatively young stars. M20 Sgr Trifid Nebula. A telescope shows 3 dust lanes trisecting nebula. Dist=5,200 ly. Opposition – When a celestial body is opposite the Sun in the sky. 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. Planetary Nebula – The remnants of a shell of gas blown off by a star. 6124 Sco Contains 5 bright tightly packed stars near centre. 7 star chain. Dist=1,600 ly. Universal Time (UT) – A time system used by astronomers. Also known as Greenwich M16 Ser Eagle Nebula. Requires a telescope of large aperture. Dist=8,150 ly. Mean Time. Singapore Standard Time is UT plus 8 hours. 3132 Vel One of the brightest planetaries. Magnitude 10 central star. Dist=2,600 ly. M104 Vir Sombrero Galaxy. Almost edge-on spiral galaxy. Protruding central core. Variable Star – A star that changes brightness over a period of time. γ Virginis Vir Superb pair of mag 3.5 yellow-white stars. Orbit=169 years. At their closest in 2005. The Evening Sky Map (ISSN 1839-7735) Copyright © 2000–2013 Kym Thalassoudis. All Rights Reserved.