Mercury at Maximum Elongation

Today Mercury reaches maximum elongation, the furthest point it will reach from the Sun in our sky and the highest it will be above the sunset for this evening apparition. The planet is easily visible as a bright, starlike object about 26° above the setting Sun as twilight begins. Over the next couple weeks Mercury will slide back into the sunset, heading for inferior conjunction on October 16th.

Continue reading “Mercury at Maximum Elongation”

Jupiter Appears in the Dawn

This week will see the reappearance of Jupiter in the dawn sky. This morning the planet will be 10° above the rising Sun, climbing quickly higher each morning.

Jove
Jupiter and the moons Europa, Ganymede and Callisto (left-right)
Jupiter will join Venus in the dawn, the brighter Venus has been the dawn star for much of the year. The two will rendezvous for a very close conjunction on the 17th and 18th. After the meeting Venus will disappear into the Sun’s glare leaving Jupiter a turn as the dawn star.

Look for a bright, -2 magnitude object directly above the bright glow of dawn. Venus will be 15° higher tomorrow morning, much brighter at -3.9 magnitude. The distance between the two diminishing over the next two weeks as Jupiter rises and Venus slides towards the Sun.

Mercury at Maximum Elongation

Today Mercury reaches maximum elongation, the furthest point it will reach from the Sun in the sky and the highest it will be above the sunrise for this morning apparition. The planet is easily visible as a bright, starlike object about 21° above the rising Sun as the twilight begins. Over the next couple weeks Mercury will slide back into the sunrise, heading for superior conjunction on August 8th.

Continue reading “Mercury at Maximum Elongation”

Jupiter Exits the Evening Sky

Jove
Jupiter and the moons Europa, Ganymede and Callisto (left-right)
Jupiter is quickly sliding into the sunset heading for superior conjunction on July 24th. This evening the planet will be 15° above the setting Sun, in the next couple of weeks it will disappear into the glare. Look for Jupiter to reappear in the dawn during the first week of August.