Sky Highlights - September 2016

The Planets
This Month's Guide

Algol Minima
Algol eclipse dates and times for September 2016

Mercury
Mercury reaches greatest elongation west on September 28, 2016. Best chance to see the planet in the morning sky from northern locations this year.

Moon, Mars, Saturn and Antares
The Moon, Mars, Saturn and Antares close together during the evenings of September 8th and 9th, 2016

Iapetus at greatest western elongation
Saturn's bizarre two-tone moon Iapetus reaches greatest western elongation on September 9, 2016, visible in small scopes

Northern Hemisphere
Evening
West:- Venus (mag. -3.9)
Southwest:- Mars (mag. -0.3 to +0.1), Saturn (mag. +0.5)
East:- Neptune (mag. +7.8)
Midnight
South:- Neptune
Southeast:- Uranus (mag. +5.7)
Morning
West:- Neptune
Southwest:- Uranus
East:- Mercury (mag. +1.5 to -0.6 last week of month)

Southern Hemisphere
Evening
West:- Venus, Jupiter (first half of month), Mercury (mag. +1.3 to +2.5 first few days of month)
Northwest:- Mars, Saturn
East:- Neptune
Midnight
West:- Mars, Saturn
North:- Neptune
Northeast:- Uranus
Morning
West:- Neptune
Northwest:- Uranus

Deep Sky
Binoculars / Small telescopes:-
Messier 13 – M13 - Great Hercules Globular Cluster
Messier 57 - M57 - The Ring Nebula (Planetary Nebula)
Messier 92 - M92 - Globular Cluster
Messier 24 - M24 - Sagittarius Star Cloud
Messier 6 - M6 - The Butterfly Cluster (Open Cluster)
Messier 7 - M7 - The Ptolemy Cluster (Open Cluster)
Messier 8 - M8 - Lagoon Nebula (Emission Nebula)
Messier 27 - M27 - The Dumbbell Nebula (Planetary Nebula)

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