A Line of Planets in the Sunset

As Mercury rises clear of the Sun’s glare it joins Mars and Saturn in the sunset sky. Tonight the three will form a nice line of planets. Mercury will still be quite low, about 12° from the Sun at sunset. Saturn is next in the line at 19° elevation at sunset. Mars will be over 30° high at sunset. As usual Mars and Saturn are about the same brightness, Mars at 1.2 magnitude, Saturn at 0.72. Mercury will be the brightest at -0.6 magnitude, which will aid in seeing the planets lower in the sunset.

The three will dance in the sunset over the coming weeks with Saturn and Mercury joining up for a close set around October 4th.

Author: Andrew

An electrical engineer, amateur astronomer, and diver, living and working on the island of Hawaiʻi.

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