Jupiter is that bright “star” in the southern skies at sunset. The moon appears with it twice during July. On July 1, the waxing crescent moon is 9 degrees to the upper left this Giant Planet. The bluish star Spica is about 10.5 degrees to Jupiter’s lower left.
Early last month Jupiter began moving eastward again compared to the stars and it appears to be moving toward Spica. Watch it approach Spica during the month.
On July 28, the moon is about 3 degrees to Jupiter’s upper left with Spica about 8 degrees to the lower left. The change in Jupiter’s position is easily seen when comparing it to Spica’s “fixed” place on the sidereal sphere.
For more information about sky watching events:
- 2017, August 21: Chicago’s View of the Great American Solar Eclipse
- 2017 Evening Planets
- 2017 Morning Planets
- Venus as a Morning Star, 2017
- Chart and Image Collection
- Jupiter’s Year with Spica: A Triple Conjunction
- 2017-2019: Mars Observing Year with a Perihelic Opposition, July 27, 2018