Ephemeris Star Charts – September 2022

Contents:

Monthly Star Chart s for Northern Michigan (about 45° North)
Twilight ranges for the Grand Traverse Area
Monthly star chart for the Southern Hemisphere

The charts contain the entire dome of the sky as seen from around 45 degrees north latitude and at the dates and times for the locations listed below.

Planet positions are plotted for the 15th of the month. The moon is not shown. To track the planet positions at weekly intervals go to my Ephemeris Blog for my Wednesday posting at bobmoler.wordpress.com.

The charts contain the entire dome of the sky as seen from around 45 degrees north latitude and at the dates and times for the locations listed below.

September Evening Star Chart

Date	Grand Traverse region, Michigan - Eastern Time
1^st.	11:00 pm EDT
8^th.	10:30 pm EDT
15^th.	10:00 pm EDT
22^nd.	9:30 pm EDT
29^th	9:00 pm EDT

September Morning Star Chart

For early birds I’m including a morning star chart too, which shows the stars we’ll see in the evening 4 months from now.

Date	Grand Traverse region, Michigan - Eastern Time
1^st.	7:00 am EDT
8^th.	6:30 am EDT
15^th.	6:00 am EDT
22^nd.	5:30 am EDT
29^th	5:00 am EDT

If you want to convert the above times for your locality in North America click here.

The outer edge of the chart is the horizon with the compass points marked. The chart is oriented as one is looking south. The constellation utlines in magenta are those of the Zodiac. The magenta line is the ecliptic, the path of the sun. The white line that passes through the east and west compass points is the celestial equator, above the earth's equator. The white lines that cross in the north at the north celestial pole are major right ascension lines and are like meridians on the earth.

All constellations shown have the standard three letter abbreviation. The constellation abbreviations, names and bright star names are found here.

Also on the sky dome are helps to locate other stars and constellations from the Big Dipper, and asterisms.

The arrow from the pointer stars of the Big Dipper to Polaris the North Star, near the north celestial pole.
Leaky Big Dipper drips on Leo
Follow the arc of the handle of the Big Dipper to Arcturus,
The Summer Triangle is in red
PerR – Perseid meteor shower radiant. The shower peaks on the 12^th.

Twilight, Astronomical and Nautical

			EDT
	Morning	Twilight	Evening	Twilight	Dark	Night	Moon
Date	Astro.	Nautical	Nautical	Astro.	Start	End	Illum.
2022-09-01	5h26m	6h04m	21h29m	22h07m	22h48m	5h26m	0.33
2022-09-02	5h28m	6h06m	21h27m	22h05m	23h19m	5h28m	0.44
2022-09-03	5h29m	6h07m	21h25m	22h03m	23h59m	5h29m	0.55
2022-09-04	5h31m	6h08m	21h23m	22h00m	-	5h31m	0.67
2022-09-05	5h32m	6h10m	21h21m	21h58m	0h50m	5h32m	0.77
2022-09-06	5h34m	6h11m	21h19m	21h56m	1h56m	5h34m	0.86
2022-09-07	5h35m	6h12m	21h17m	21h54m	3h12m	5h35m	0.93
2022-09-08	5h37m	6h14m	21h15m	21h52m	4h33m	5h37m	0.98
2022-09-09	5h38m	6h15m	21h13m	21h49m	-	-	1
2022-09-10	5h40m	6h16m	21h11m	21h47m	-	-	0.99
2022-09-11	5h41m	6h18m	21h09m	21h45m	-	-	0.96
2022-09-12	5h43m	6h19m	21h07m	21h43m	-	-	0.91
2022-09-13	5h44m	6h20m	21h05m	21h41m	-	-	0.84
2022-09-14	5h46m	6h22m	21h03m	21h39m	21h39m	22h02m	0.75
2022-09-15	5h47m	6h23m	21h01m	21h36m	21h36m	22h30m	0.66
2022-09-16	5h49m	6h24m	20h59m	21h34m	21h34m	23h04m	0.57
2022-09-17	5h50m	6h26m	20h57m	21h32m	21h32m	23h45m	0.47
2022-09-18	5h51m	6h27m	20h55m	21h30m	21h30m	-	0.38
2022-09-19	5h53m	6h28m	20h53m	21h28m	21h28m	0h34m	0.29
2022-09-20	5h54m	6h29m	20h51m	21h26m	21h26m	1h31m	0.21
2022-09-21	5h56m	6h31m	20h49m	21h24m	21h24m	2h33m	0.13
2022-09-22	5h57m	6h32m	20h47m	21h22m	21h22m	3h39m	0.07
2022-09-23	5h58m	6h33m	20h45m	21h20m	21h20m	4h46m	0.03
2022-09-24	6h00m	6h34m	20h43m	21h18m	21h18m	5h54m	0.01
2022-09-25	6h01m	6h36m	20h41m	21h16m	21h16m	6h01m	0
2022-09-26	6h02m	6h37m	20h39m	21h14m	21h14m	6h02m	0.02
2022-09-27	6h04m	6h38m	20h37m	21h12m	21h12m	6h04m	0.06
2022-09-28	6h05m	6h39m	20h35m	21h10m	21h10m	6h05m	0.12
2022-09-29	6h06m	6h41m	20h33m	21h08m	21h21m	6h06m	0.2
2022-09-30	6h08m	6h42m	20h31m	21h06m	21h57m	6h08m	0.3

The above was created by the calendar function of Cartes du Ciel (Sky Charts)

Monthly Evening Star Chart for Observers in the Southern Hemisphere

The chart contains the entire dome of the sky as seen from around 26 degrees south latitude at 2 hours after sunset on the 15th of the month.

Planet positions are also plotted for the 15th of the month. The moon is not shown. The Magellanic Clouds, which are satellite galaxies of the Milky Way. The Large Magellanic Cloud is located in the constellation Dorado (Dor) the Flying Fish. The Small Magellanic Cloud is located in the constellation of Tucana (Tuc) the Toucan.

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Questions or comments, send an email to: brelom@gmail.com

Updated 09/19/22