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10/16/2017 – Ephemeris – Andromeda, the chained princess

October 16, 2017 1 comment

Ephemeris for Monday, October 16th. The Sun will rise at 7:59. It’ll be up for 10 hours and 56 minutes, setting at 6:55. The Moon, 3 days before new, will rise at 5:29 tomorrow morning.

The stars of the constellations Andromeda the chained princess look like they’re supposed to be the hind legs of Pegasus the flying horse which is high in the southeast at 9 p.m. Andromeda is high in the east She is seen in the sky as two diverging curved strings of stars that curve to the left and up from the leftmost star of the Great Square of Pegasus. Her predicament was caused by her boastful mother Cassiopeia, and the wrath of the god Poseidon. She was rescued by the hero Perseus, a nearby constellation, riding his steed Pegasus. Andromeda’s claim to astronomical fame is the large galaxy barely visible to the unaided eye just above the upper line of stars, the Great Andromeda Galaxy 2.5 million light years away.

The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.

Addendum

Andromeda and friends

Andromeda and neighboring constellations that are related to her story. Created using Stellarium and GIMP.

Andromeda at 9 p.m. with the Great Andromeda Galaxy. Created using Stellarium.

Andromeda at 9 p.m. with the Great Andromeda Galaxy. Created using Stellarium.

The Great Andromeda Galaxy (M31). Image taken by Scott Anttila.

The Great Andromeda Galaxy (M31). Image taken by Scott Anttila.  It appears here more extensive than it appears visually to the naked eye or in telescopes.

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