Ephemeris Star Charts – August 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.

August 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

August 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.	6:00 am EDT
8^th.	5:30 am EDT
15^th.	5:00 am EDT
22^nd.	4:30 am EDT
29^th	4:00 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,
Then extend to a spike to Spica
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.
2022-08-01	4h31m	5h19m	22h27m	23h15m	23h18m	4h31m	0.18
2022-08-02	4h33m	5h21m	22h25m	23h13m	23h37m	4h33m	0.27
2022-08-03	4h35m	5h22m	22h24m	23h11m	23h57m	4h35m	0.37
2022-08-04	4h37m	5h24m	22h22m	23h09m	-	4h37m	0.47
2022-08-05	4h38m	5h25m	22h20m	23h07m	0h19m	4h38m	0.58
2022-08-06	4h40m	5h27m	22h19m	23h05m	0h46m	4h40m	0.69
2022-08-07	4h42m	5h28m	22h17m	23h03m	1h20m	4h42m	0.8
2022-08-08	4h44m	5h30m	22h15m	23h00m	2h05m	4h44m	0.88
2022-08-09	4h46m	5h31m	22h13m	22h58m	3h04m	4h46m	0.95
2022-08-10	4h48m	5h33m	22h11m	22h56m	4h16m	4h48m	0.99
2022-08-11	4h50m	5h34m	22h10m	22h54m	-	-	1
2022-08-12	4h52m	5h36m	22h08m	22h52m	-	-	0.98
2022-08-13	4h53m	5h37m	22h06m	22h49m	-	-	0.94
2022-08-14	4h55m	5h38m	22h04m	22h47m	-	-	0.87
2022-08-15	4h57m	5h40m	22h02m	22h45m	22h45m	22h55m	0.79
2022-08-16	4h59m	5h41m	22h00m	22h43m	22h43m	23h16m	0.7
2022-08-17	5h01m	5h43m	21h58m	22h41m	22h41m	23h38m	0.6
2022-08-18	5h02m	5h44m	21h56m	22h38m	22h38m	-	0.5
2022-08-19	5h04m	5h46m	21h55m	22h36m	22h36m	0h03m	0.4
2022-08-20	5h06m	5h47m	21h53m	22h34m	22h34m	0h32m	0.31
2022-08-21	5h08m	5h49m	21h51m	22h32m	22h32m	1h08m	0.23
2022-08-22	5h10m	5h50m	21h49m	22h29m	22h29m	1h52m	0.15
2022-08-23	5h11m	5h52m	21h47m	22h27m	22h27m	2h44m	0.09
2022-08-24	5h13m	5h53m	21h45m	22h25m	22h25m	3h43m	0.04
2022-08-25	5h15m	5h55m	21h43m	22h23m	22h23m	4h47m	0.01
2022-08-26	5h16m	5h56m	21h41m	22h20m	22h20m	5h16m	0
2022-08-27	5h18m	5h57m	21h39m	22h18m	22h18m	5h18m	0.01
2022-08-28	5h20m	5h59m	21h37m	22h16m	22h16m	5h20m	0.04
2022-08-29	5h21m	6h00m	21h35m	22h14m	22h14m	5h21m	0.08
2022-08-30	5h23m	6h02m	21h33m	22h12m	22h12m	5h23m	0.15
2022-08-31	5h25m	6h03m	21h31m	22h09m	22h24m	5h25m	0.23

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: bob@bjmoler.org

Updated 08/01/22