Monday, September 2, 2013

Indiana Astronomical Society Novice/Urban Observing List – September 2013

Philip Dimpelfeld from the Indiana Astronomical Society creates a Novice/Urban Observing List each month for newbies like myself with not-so-dark skies and not-so-powerful equipment. The September 2013 list looks like fun, and I've never even heard of some of the items - so it's a great way to learn in the process.
 
Alpha-1/2 Capricorni, “Algiedi”, Multiple Star in Capricornis, 20h 18m, -12d 33m, mag = 4.2, 3.7, sep = 381”. Mag 9.6 and 10.6 companions at 46” and 7” forming a “Double-Double”.

Omicron-1 Cygni, Triple Star in Cygnus, 20h 46.4m, +46d 44m, mag = 3.8, 7.0, 4.8, sep = 106”, 331”

Gamma Delphini, Double Star in Delphinus, 20h 46.7m, +16° 07', mag = 4.5, 5.5, sep = 9.6"

NGC 7009, the “Saturn Nebula”, Planetary Nebula in Aquarius, 21h 04.2m, -11° 22', mag = 8.0, size = 44" x 23"

61 Cygni, Double Star in Cygnus, 21h 06.9m, +38° 45', mag = 5.2, 6.0, sep = 28". First star to have its distance from earth measured by parallax.

M15, Globular Cluster in Pegasus, 21h 30.0m, +12° 10', mag = 6.0, size = 12.0'

M2, Globular Cluster in Aquarius, 21h 33.5m, -00° 49', mag = 6.4, size = 13.0'

M39, Open Cluster in Cygnus, 21h 32.2m, +48° 26', mag = 4.6, size = 31.0'

Mare Nectaris, first quarter Moon

Mare Humorum, third quarter Moon

Challenge Object: Beta Cephei, Double Star in Cepheus, 21h 28.7m, +70° 34', mag = 3.2, 7.9, sep = 13.3"

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