Ephemeris Star Charts – July 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.

July Evening Star Chart

Date	Grand Traverse region, Michigan - Eastern Time
1^st.	12:00 m EDT
8^th.	11:30 pm EDT
15^th.	11:00 pm EDT
22^nd.	10:30 pm EDT
29^th	10:00 pm EDT

July 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.	5:30 am EDT
8^th.	5:00 am EDT
15^th.	4:30 am EDT
22^nd.	4:00 am EDT
29^th	3:30 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
DAqR – Delta Aquariid meteor shower radiant. The shower peaks on the 30^th.

Twilight, Astronomical and Nautical

			EDT
	Morning	Twilight	Evening	Twilight	Dark	Night	Moon
Date	Astro.	Nautical	Nautical	Astro.	Start	End	Illum.
2022-07-01	3h39m	4h41m	23h00m	0h03m	0h03m	3h39m	0.09
2022-07-02	3h40m	4h42m	23h00m	0h02m	0h02m	3h40m	0.15
2022-07-03	3h41m	4h43m	22h59m	0h01m	0h11m	3h41m	0.22
2022-07-04	3h42m	4h44m	22h59m	0h00m	0h33m	3h42m	0.31
2022-07-05	3h43m	4h45m	22h58m	23h59m	0h54m	3h43m	0.41
2022-07-06	3h45m	4h45m	22h57m	23h58m	1h13m	3h45m	0.51
2022-07-07	3h46m	4h46m	22h57m	23h57m	1h32m	3h46m	0.62
2022-07-08	3h47m	4h47m	22h56m	23h56m	1h53m	3h47m	0.72
2022-07-09	3h49m	4h48m	22h55m	23h55m	2h18m	3h49m	0.82
2022-07-10	3h50m	4h50m	22h55m	23h54m	2h48m	3h50m	0.9
2022-07-11	3h52m	4h51m	22h54m	23h52m	3h27m	3h52m	0.96
2022-07-12	3h54m	4h52m	22h53m	23h51m	-	-	1
2022-07-13	3h55m	4h53m	22h52m	23h50m	-	-	1
2022-07-14	3h57m	4h54m	22h51m	23h48m	-	-	0.97
2022-07-15	3h59m	4h55m	22h50m	23h47m	-	-	0.91
2022-07-16	4h01m	4h57m	22h49m	23h45m	23h45m	23h50m	0.84
2022-07-17	4h02m	4h58m	22h48m	23h43m	23h43m	-	0.74
2022-07-18	4h04m	4h59m	22h47m	23h42m	23h42m	0h13m	0.64
2022-07-19	4h06m	5h01m	22h45m	23h40m	23h40m	0h33m	0.54
2022-07-20	4h08m	5h02m	22h44m	23h38m	23h38m	0h53m	0.44
2022-07-21	4h10m	5h03m	22h43m	23h36m	23h36m	1h13m	0.34
2022-07-22	4h12m	5h05m	22h42m	23h35m	23h35m	1h36m	0.25
2022-07-23	4h13m	5h06m	22h40m	23h33m	23h33m	2h02m	0.18
2022-07-24	4h15m	5h07m	22h39m	23h31m	23h31m	2h33m	0.11
2022-07-25	4h17m	5h09m	22h38m	23h29m	23h29m	3h11m	0.06
2022-07-26	4h19m	5h10m	22h36m	23h27m	23h27m	3h58m	0.02
2022-07-27	4h21m	5h12m	22h35m	23h25m	23h25m	4h21m	0
2022-07-28	4h23m	5h13m	22h33m	23h23m	23h23m	4h23m	0
2022-07-29	4h25m	5h15m	22h32m	23h21m	23h21m	4h25m	0.02
2022-07-30	4h27m	5h16m	22h30m	23h19m	23h19m	4h27m	0.06
2022-07-31	4h29m	5h18m	22h28m	23h17m	23h17m	4h29m	0.11

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 07/03/22