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Autumn Skies 2012. Aileen O’Donoghue SLU, APO. Constellations. Political Map of the sky Named for shapes, animals & mythological characters Eg. Triangulum, Scorpius, Cassiopeia Simplified to stick figures 88 Official Constellations Determined by IAU.
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Autumn Skies 2012 Aileen O’Donoghue SLU, APO
Constellations • Political Map of the sky • Named for shapes, animals & mythological characters • Eg. Triangulum, Scorpius, Cassiopeia • Simplified to stick figures • 88 Official Constellations • Determined by IAU International Astronomical Union/ Union Astronomique Internationale
Constellations • Designate regions of the sky
Constellations Fill the Sky Diagram from Guy Ottewell’s “Astronomical Companion” www.celestialproducts.com
Asterisms Pherkad Alkaid Kochab Alcor & Mizar Alioth Polaris Megrez Phecda Merak Dubhe • Subconstellations • eg. Big & Little Dippers Recognized patterns that are not constellations Subconstellations: The Dippers Little Dipper in Ursa Minor Big Dipper in Ursa Major
Asterisms: Big & Little Dipper Looking NNW from Canton, 9 pm August 24 URSA MINOR The Small Bear Arcturus LITTLE DIPPER Arc to … Polaris BIG DIPPER Point to … Pointer Stars URSA MAJOR The Great Bear
Northern Sky Tonight Looking NNW from Canton tonight The Keystone HERCULES The Losenge DRACO CORONA BOREALIS LITTLE DIPPER BOÖTES Guard Stars Polaris CASSIOPEIA Thuban Arc to … Arcturus Point to … BIG DIPPER Pointer Stars URSA MAJOR
Asterisms Deneb in Cygnus Vega in Lyra Altair in Aquila Recognized patterns that are not constellations Superconstellations: Summer Triangle The Summer Triangle
Asterisms: Summer Triangle Deneb Vega Tarazed Altair CYGNUS The Swan Looking South from Canton, 9 pm August 26 LYRA The Lyre AQUILA The Eagle
Asterisms Scorpius Antares • Subconstellations • eg. The Teapot The Teapot in Saggitarius
The Southern Sky Tarazed Deneb CYGNUS The Swan Vega The Summer Triangle LYRA The Lyre BOÖTES The Eagle Altair AQUILA The Eagle Arcturus Looking South from Canton tonight The Teapot SAGGITARIUS The Archer Antares SCORPIUS The Scorpion
The Southern Sky Tarazed Deneb The Lozenge CYGNUS The Swan Vega The Keystone The Summer Triangle LYRA The Lyre HERCULES BOÖTES The Eagle Altair CORONA BOREALIS AQUILA The Eagle Arcturus Looking South from Canton tonight OPHIUCHUS The Snake Bearer The Coffin The Teapot Zubeneschamali SAGGITARIUS The Archer Antares Zubenelgenubi SCORPIUS The Scorpion
The Eastern Sky CEPHEUS The King LITTLE DIPPER Enif Guard Stars PEGASUS The Winged Horse Polaris CASSIOPEIA The Queen The Great Square ANDROMEDA The Princess Andromeda Galaxy PERSEUS The Hero Algol Looking East from Canton at 9 pm on Halloween
The Eastern Sky CEPHEUS The King LITTLE DIPPER Enif Guard Stars PEGASUS The Winged Horse Polaris CASSIOPEIA The Queen The Great Square ANDROMEDA The Princess The Ringlet Andromeda Galaxy PERSEUS The Hero PISCES The Fishes Cosmic Hockey Stick Algol Capella Looking East from Canton at 9 pm on Halloween ARIES The Ram The Kids AURIGA The Charioteer The Pleiades TAURUS, The Bull Jupiter Aldebaran
AURIGA PERSEUS Capella The Kids Castor Algol ANDROMEDA Pollux GEMINI The Twins The Great Square ARIES The Pleiades Jupiter Aldebaran PISCES TAURUS Procyon CANIS MINOR The Little Dog ORION The Hunter Asterisms: The Winter Hexagon Rigel Sirus CANIS MAJOR The Big Dog Looking south from Canton at 9 pm on Christmas Eve
AURIGA PERSEUS Capella The Kids Castor Algol ANDROMEDA Pollux GEMINI The Twins The Great Square ARIES The Pleiades Jupiter has moved! 8/24 Aldebaran PISCES TAURUS Procyon CANIS MINOR The Little Dog ORION The Hunter Asterisms: The Winter Hexagon The Pleiades Rigel Jupiter 8/24 Sirus 12/24 CANIS MAJOR The Big Dog Looking south from Canton at 9 pm on Christmas Eve Aldebaran
AURIGA PERSEUS Capella The Kids Castor Algol ANDROMEDA Pollux GEMINI The Twins The Great Square ARIES The Pleiades Jupiter has moved! 8/24 Aldebaran PISCES TAURUS Procyon CANIS MINOR The Little Dog ORION The Hunter Asterisms: The Winter Hexagon The Pleiades Rigel 4/29 Jupiter 8/24 Sirus 12/24 1/30 CANIS MAJOR The Big Dog Looking south from Canton at 9 pm on Christmas Eve Aldebaran Jupiter at opposition on December 3, 2012
The adventure continues ... … stargazing with the Adirondack Public Observatory!