All-Sky Map For January And February

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All-Sky Map for January and FebruaryJanuary 10 p.m.February 8 p.m.See Map DetailNavigating the Night SkyLearn the sky by first finding those stars or constellations that you already know, such as theBig Dipper or Orion. This time of year, the Big Dipper lies low in the northeast and Orion ishigh in the southeast. Judge the relative positions of new stars from the ones you know.Use the Big Dipper as a guide to find:The North StarCapellaCastorUse Orion as a guide to find:Sirius, the brightest star in the night sky,The Winter Triangle,Aldebaran and the HyadesTo use this map: Face south and hold the map above your head. The stars on the map shouldmatch those in the sky.

Selected Deep Sky Objects in theJanuary through Aprilearly evening skyTo find star clusters M36, M37, and M38:1. Locate the bright star Capella. It is nearly directlyoverhead. Locate reddish Aldebaran.2. Locate the other four major stars of the pentagonof Auriga. The bottom one is really Beta Tauri.3. Find Iota. It is 40% of the distance betweenCapella and Aldebaran.4. M38 is half way along the line from Iota to Theta.Distance: 4200 light-years.5. M36 lies just north of the half way point betweenTheta Aurigae and Beta Tauri. Distance: 4000light-years.6. M37 lies just south of the half way point betweenTheta Aurigae and Beta Tauri. Distance: 50%GammaGeminorumHyadesTaurusZetaTauriAldebaranTo find star cluster M35:1. Find the bright stars Pollux and Aldebaran.2. Draw a line between them.3. M35 is located 1/2 way between them. Distance: 2800 light-years.4. The telescope will also show another open cluster, NGC 2158, as asmall blur in the same field. Distance: 11,000 light-years.THE ASTRONOMICAL LEAGUE www.astroleague.orgThe Astronomical League www.astroleague.orgPage 2

Selected Deep Sky Objects in theJanuary and February(and November and December)early evening skyLook nearly overhead for Pegasus, Andromeda, Perseus, and CassiopeiaTo find the Double Cluster:Cas1. Look half way between AlphaPersei and the "W" of Cassiopeia.2. The Double Cluster appears asa fuzzy blur to the unaided eye.Distance: 7100 light-yearsAlpha Persei,MirfakBeta Persei,Algol40%M10360%To find Cluster M103:eia1. Scan the area to the right ofthe bottom left star ofCassiopeia's "W."2. Some people think itresemble's ET (from the movie)raising a lit finger.Distance: 8000 light-yearsTo find Galaxy M31:GammaAndromedaeM31To find Cluster M34:1. Extend the handle of the dipper,known as the Great Big Dipper,formed by Pegasus, Andromeda,and Persusu.2. M34 is 40% beteeen the lasttwo stars of that dipper.3. Use our lowest magnification.Distance: 1400 light-yearsAndromScan the area to the left ofthe bottom left star ofCassiopeia's "W."Distance: 10,000 light-yearsTo find the ET eed1. Draw an arrow through thethree rightmost stars of the "W"of Cassiopeia.2. Follow it until it hits M31.3. This fuzzy galaxy will fillmost of the field of view.Distance: 2.5 million light-yearsaGamma Andromeda, Double Star:Square ofPegasusUse high magnification to reveal the twocolorful components of Gamma Andromeda.THE ASTRONOMICAL LEAGUE www.astroleague.orgThe Astronomical League www.astroleague.orgPage 3

All-Sky Map for March and AprilNORTHMarch 11 p.m. EDTApril 9 p.m. EDTCassiopeiaNorth StarThe Big DipperThe Milky WayThe enith CastorLeoThe PleiadesPolluxM44The Ecliptic ionTheWinterTriangleSee Map DetailSiriusWESTCapellaRigelM42SOUTHNavigating the Night SkyLearn the sky by first finding those stars or constellations that you know, such as the Big Dipperor Orion. Judge the relative positions of the new stars from the ones you know. This time of year,the Big Dipper lies high in the northeast and Orion is high in the south or southwest.Use the Big Dipper as a guide tofind:The North StarCapellaUse Orion as a guide to find:CastorSirius,LeoThe Winter Triangle,ArcturusAldebaran and the HyadesView the large star cluster M44:It lies near the center of a triangle formed byPollux, Regulus, and Procyon. The clusterappears to the unaided eye as a smudge, butthrough a low-powered telescope, its manytwinkling stellar lights can be easily seen.Distance: 580 light-years.To use this map: Face south and hold the map above your head. The stars on the map shouldmatch those in the sky.The Astronomical League www.astroleague.orgPage 4

Selected Deep Sky Objects in theMarch and April early evening skyBetelgeuseProcyonWinterTriangle3 BeltStarsOrion2/3M42M50RigelTo find star cluster M50:1. Locate Orion and the WinterTriangle stars of Betelgeuse,Sirius, and Procyon.2. M50 lies 1/3 between Siriusand Procyon.Distance: 3200 light-years.To find nebula M42:1. Find Orion's Belt.2. With unaided eye, look tothe Belt's south for a fuzzyglow. That is M42, a nebula.Distance: 1300 light-years.1/3SiriusM41To find star cluster M41:1. Find Orion and its Belt Stars.2. Find Sirius by extending aline formed by the Belt Stars tothe southeast3. M41 lies three field of viewsdirectly south.Distance: 2300 light-years.Relative field of view at 20magnification (24 mm focallength on the zoom eyepiece).THE ASTRONOMICAL LEAGUE www.astroleague.orgThe Astronomical League www.astroleague.orgPage 5

All-Sky Map for May and JuneNORTHMay 11:30 p.m. EDTJune 10:30 p.m. EDTCassiopeiaDenebCapellaNorth StarThe Milky WayVegaCastorThe BigDipperEASTSee Detailed Map ZenithArcturusM44LeoComaClusterProcyonThe Spring UTHNavigating the Night SkyLearn the sky by first finding those stars or constellations that you know, such as the Big Dipper.Judge the relative positions of the new stars from the ones you know. This time of year, the BigDipper lies almost overhead.Use the Big Dipper as a guide tofind:The North Star,Deneb,Arcturus then Spica,Leo,CastorView the large star cluster M44:Also called the Beehive, M44 lies near thecenter of a triangle formed by Pollux,Regulus, and Procyon. The cluster appearsto the unaided eye as a smudge, but througha low-powered telescope, its many twinklingstellar lights can be easily seen.To use this map: Face south and hold the map above your head. The stars on the map shouldmatch those in the sky.The Astronomical League www.astroleague.orgPage 6

Selected Deep Sky Objects in theMay and June early evening skyMizar, Double Star1. Also in the field at lowpower is Alcor.2. Use high power to"split" Mizar into twocomponents.Big DipperCor Caroli: Double Star1. Moderately bright star locatednear the center of the arc of the BigDipper's handle.2. Two colorful stars barelyseparated, use 60x magnification.M3, Globular Star Cluster1. Located 40% between brightArcturus and Cor Caroli.2. The combined light of100,000 stars blends into asmall, round fuzzy ball.Distance: 34,000 light-years.ComaThis is a large openBerenices cluster of approximately50 stars. It is best seenCluster60%40%Arcturuswith binoculars due to itslarge area.Distance: 260 light-years.M3LeoGalaxies M84, M86, and M87A very clear, dark night is needed to observe these threefaint galaxies.1. Located half way between Vindemiatrix and Denebola.2. Each of these galaxies appears as a very dim andsmall fuzzy ball. They are a worthy challenge.DenebolaDistance: 50 million light-years!VindemiatrixM84, M86, M87The Astronomical League www.astroleague.orgThe Astronomical League www.astroleague.orgPage 7

All-Sky Map for July and AugustJuly 11:00 p.m. EDTAugust 10:00 p.m. EDTNORTHCassiopeiaNorthStarThe BigDipperThe Milky WayComaClusterDenebEASTTheSummerTriangleSee Map DetailVegaZenithWESTCygnusLeo ArcturusAltairTheEclipticAquilaSaturnSee Map ng the Night SkyLearn the sky by first finding those stars or constellations that you know, such as the Big Dipper.Judge the relative positions of the new stars from the ones you know. This time of year, the BigDipper lies high in the northwest.Use the Big Dipper as a guide to find:The North Star,Deneb, and the other Summer Triangle stars of Vega and Altair,Arcturus,SpicaThe Milky Way stretches fromthe northeast, almostoverhead, then to the south.Scan with binoculars andtelescope along its length formany fascinating star clustersand small ill-defined nebulae.To use this map: Face south and hold the map above your head. The stars on the map shouldmatch those in the sky.The Astronomical League www.astroleague.orgPage 8

Selected Deep Sky Objects in theJuly and August early evening skyLyraLyra is a small constellation situated almost overhead in summer evenings.It is dominated by its bright star, Vega, third brightest star visible from themid latitudes of the United States. Vega is also the brightest member of the"Summer Triangle."Epsilon LyraeA wide double star, easily splitwith low power. Under highmagnifications, each star splitsagain, giving Epsilon itsnickname: the Double-Double.VegaZetaDeltaRelative diameterof the field of viewat low power.Beta LyraeGammaM57Over a two weekperiod, its brightnessfluctuates between thatof Gamma and Zeta.To find Planetary Nebula M57:Although it is called a "planetary nebula," it has nothing to do with the planets.1. Find the parallelogram of Lyra.2. M57 lies between the two lower stars of the parallelogram, Beta andGamma Lyrae.3. It appears very small and dim, and slightly oblong.Distance: 2000 light-years.THE ASTRONOMICAL LEAGUE www.astroleague.orgThe Astronomical League www.astroleague.orgPage 9

Selected Deep Sky Objects in theJuly and August early evening skyEnjoy the Constellation ScorpiusLook for its signature fish hook shape standing above thesouthern horizon after darkness falls in July and August.BetaScorpiiGlobular Cluster M80:1. M80 is found half way between Antares and Beta Scorpii.2. It appears as a round, mottled ball containing thecombined light of over 100,000 stars.Distance: 33,000 light-years.50%M8050%Open Clusters M6 and M7:M7 is visible to the unaided eyefrom a dark site. These twoclusters are best seen at lowpower. Many stars fill the field.M6 Distance: 1600 light-years.M7 Distance: 800 light-years.AntaresM4Globular Cluster M4:1. Place Antares on the easternedge of the field of the lowestpower eyepiece setting (24 mm).2. M4 is found near the center ofthe field of view. It appears as around, grainy ball containing thecombined light of over 100,000stars. Distance: 7200 light-years.M6M7ShaulaOpen Cluster NGC 6231:NGC 6231ZetaScorpiiRelative diameterof low power fieldof viewPoint the telescope at Zeta and thecluster's many stars sweep out to thenortheast.Distance: 6000 light-years.There is more than one cluster in thearea. NGC 6231 has been called"The False Comet."THE ASTRONOMICAL LEAGUE www.astroleague.orgThe Astronomical League www.astroleague.orgPage 10

All-Sky Map for September and OctoberSeptember 10 p.m. EDTOctober 9 p.m. EDTNORTHThe BigDipperNorth StarCassiopeiaDenebArcturusEASTVega ltairAquilaThe Milky OUTHNavigating the Night SkyLearn the sky by first finding those stars or constellations that you know, such as the Big Dipper.Judge the relative positions of the new stars from the ones you know. This time of year, the BigDipper lies high in the northwest.The Milky Way stretches fromUse the Big Dipper as a guide to find:the northeast, overhead, thenThe North Star,to the south. Scan, withDeneb, and the other Summer Triangle stars of Vega and Altair,binoculars and telescopeArcturus,along its length for manyCassiopeiafascinating star clusters andsmall ill-defined nebulae.To use this map: Face south and hold the map above your head. The stars on the map shouldmatch those in the sky.The Astronomical League www.astroleague.orgPage 11

Selected Deep Sky Objects in theSeptember and October earlyevening skyEnjoy the Constellation SagittariusLook for its signature teapot shape pouring above the southern horizon after darknessfalls in September and October. Scan the area for many distant star clusters and nebuale.Relative diameter ofthe field of view usinglow power.Both M16 and M17 are star formingnebulae. M16 is nicknamed "The EagleNebula," and M17 "The Omega Nebula."Both nebuale are 6000 light-years distant.M16Globular Clusters M22 and M28:Both of these round glows are composed ofthe combined light of over 100,000 stars.M22 Distance: 11,000 light-years.M28 Distance: 18,000 light-years.M17Mu Sagittarii: Possibly theThe Iced Teaspoonfarthest star the unaided eye cansee. Distance: 10,000 ligth-years.M22M28The TeapotBoth M8 and M20 are starM20 forming nebulae with imbeddedstar clusters. M8 is nicknamedM8 "The Lagoon," M20 "The Trifid."M8 Distance: 4000 light-years.M20 Distance: 6000 light-years.Both the star clusters M6 and M7are large and bright. They nearlyfill the field with many stars.M6 Distance: 1600 light-years.M7 Distance: 800 light-years.M6M7ShaulaTHE ASTRONOMICAL LEAGUE www.astroleague.orgThe Astronomical League www.astroleague.orgPage 12

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All-Sky Map for November and DecemberNORTHNovember 10 p.m. ESTDecember 8 p.m. ESTThe Big DipperNorth gaiaCygnusAldebaranDenebThe PleiadesAnOverhead dromedEASTTheHyadesWESTM31TheSummerTriangleaThe Milky WayThe Great SquareAltairAquilaPegasusThSee Map Detail:January andFebruary MapeEclipticFomalhautSOUTHNavigating the Night SkyLearn the sky by first finding those stars or constellations that you know, such as the Big Dipper.Judge the relative positions of the new stars from the ones you know. This time of year, the BigDipper hugs the northern horizon. The "W" of Cassiopeia lies high overhead.Use the Big Dipper as a guide to find:The North Star,Deneb, and the other Summer Triangle stars of Vega and Altair,CapellaTo use this map: Face south and hold the map above your head. The stars on the map shouldmatch those in the sky.The Astronomical League www.astroleague.orgPage 14

All-Sky Map for January and February January 10 p.m. February 8 p.m. See Map Detail To use this map: Face south and hold the map above your head. The stars on the map should match those in the sky. Navigating the Night Sky Learn the sky by first finding those stars or constellation

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