Ephemeris Star Charts – June 2020

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.

June Evening Star Chart

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

June 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
1st.	5:00 a.m. EDT
8th.	4:30 a.m. EDT
15th.	4:00 a.m. EDT
22nd.	3:30 a.m. EDT
29th.	3:00 a.m. 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 outlines 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.
A leaky dipper drips on Leo
Follow the arc of the handle of the Big Dipper to Arcturus, then
Follow the Spike to Spica.
The Summer Triangle is in red.

Twilight, Astronomical and Nautical

			EDT
	Morning twilight		Evening twilight		Dark night		Moon
Date	Astro.	Nautical	Nautical	Astro.	Start	End	Illum.
2020-06-01	3h42m	4h41m	22h47m	23h47m	-	-	0.82
2020-06-02	3h41m	4h41m	22h48m	23h48m	-	-	0.9
2020-06-03	3h40m	4h40m	22h49m	23h50m	-	-	0.9
2020-06-04	3h39m	4h39m	22h50m	23h51m	-	-	0.96
2020-06-05	3h37m	4h39m	22h51m	23h52m	-	-	1
2020-06-06	3h36m	4h38m	22h52m	23h54m	-	-	1
2020-06-07	3h36m	4h37m	22h53m	23h55m	-	-	0.97
2020-06-08	3h35m	4h37m	22h54m	23h56m	23h56m	-	0.92
2020-06-09	3h34m	4h37m	22h55m	23h58m	23h58m	0h28m	0.85
2020-06-10	3h33m	4h36m	22h56m	23h59m	23h59m	1h07m	0.77
2020-06-11	3h33m	4h36m	22h56m	0h00m	0h00m	1h38m	0.67
2020-06-12	3h32m	4h36m	22h57m	0h01m	0h01m	2h04m	0.58
2020-06-13	3h32m	4h35m	22h58m	0h01m	0h01m	2h27m	0.48
2020-06-14	3h31m	4h35m	22h58m	0h02m	0h02m	2h48m	0.38
2020-06-15	3h31m	4h35m	22h59m	0h03m	0h03m	3h09m	0.29
2020-06-16	3h31m	4h35m	22h59m	0h04m	0h04m	3h30m	0.21
2020-06-17	3h31m	4h35m	23h00m	0h04m	0h04m	3h31m	0.13
2020-06-18	3h31m	4h35m	23h00m	0h05m	0h05m	3h31m	0.07
2020-06-19	3h31m	4h35m	23h00m	0h05m	0h05m	3h31m	0.03
2020-06-20	3h31m	4h36m	23h01m	0h05m	0h05m	3h31m	0
2020-06-21	3h31m	4h36m	23h01m	0h05m	0h05m	3h31m	0
2020-06-22	3h31m	4h36m	23h01m	0h06m	0h06m	3h31m	0.03
2020-06-23	3h32m	4h36m	23h01m	0h06m	0h06m	3h32m	0.07
2020-06-24	3h32m	4h37m	23h01m	0h05m	0h05m	3h32m	0.15
2020-06-25	3h33m	4h37m	23h01m	0h05m	0h28m	3h33m	0.24
2020-06-26	3h34m	4h38m	23h01m	0h05m	1h00m	3h34m	0.34
2020-06-27	3h34m	4h38m	23h01m	0h05m	1h28m	3h34m	0.46
2020-06-28	3h35m	4h39m	23h01m	0h04m	1h54m	3h35m	0.58
2020-06-29	3h36m	4h40m	23h00m	0h04m	2h19m	3h36m	0.69
2020-06-30	3h37m	4h40m	23h00m	0h03m	2h46m	3h37m	0.69

The above times calculated 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 06/01/20