2022, June 28: Morning Planets

Astronomy, Sky Watching
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June 28, 2022: Four bright morning planets are easy to spot before sunrise.  Mercury is a challenge to spot, making it five worlds if you can see it.

Chart Caption – 2022, June 28: One hour before sunrise, look for Venus, the Pleiades star cluster, and Aldebaran. Use a binocular to initially locate them.

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by Jeffrey L. Hunt

Chicago, Illinois:  Sunrise, 5:18 a.m. CDT; Sunset, 8:30 p.m. CDT.  Check local sources for sunrise and sunset times for your location.

Morning Sky

The rare planet parade is breaking apart as Mercury departs the morning sky, leaving four bright planets strung along the sky from east-northeast to south.  Without the moon to guide us to the planets, Mercury’s observation is a challenge. Perhaps this morning and tomorrow morning are the last times to catch the five planets in the sky simultaneously.

Locate a horizon with a clear view to the east-northeast.  Brilliant Venus shines from about 8° up in the sky.  The Pleiades star cluster is likely visible, 8° to the upper right of the brilliant Morning Star.  It is outside the binocular field with the planet.

Chart Caption – 2022, June 28: Through a binocular to spot Aldebaran below Venus.

Aldebaran is making its first morning appearance.  It is not yet visible to the unaided eye, but it fits into the same binocular field of view with Venus.  The star is 5.4° below the planet.

Chart Caption – 2022, June 28: Bright Jupiter is in the southeast. Dimmer Mars is to its lower left.

At this time look for Jupiter, Mars, and Saturn.  Bright Jupiter is nearly 40° up in the southeast.  Dimmer Mars is 17.9° to the lower left of the Jovian Giant.  Saturn is about 30° above the southern horizon.

Venus and Jupiter are bright enough to follow into brighter twilight.  For Mars and Saturn, locate them compared to a tree branch, rooftop or other terrestrial feature.  As the sky brightens, use the landmark to locate the dimmer worlds.

Chart Caption – 2022, June 28: Forty-five minutes before sunrise, Mercury is about 4° above the horizon and 11.3° to the lower left of Venus.

At forty-five minutes before sunrise, Mercury is only about 4° up in the sky, 11.3° to the lower left of Venus.  Use a binocular to initially locate it.  Then find the other four planets.

Chart Caption – 2022, June 28: Through a binocular make weekly observations to see Saturn seem to move westward compared to Deneb Algedi and Nashira.

When looking for the stars and planet near Venus, turn the binocular toward the south and Saturn.  The Ringed wonder is retrograding in eastern Capricornus, near the stars Deneb Algedi and Nashira.

Retrograde motion – the apparent westward motion of a planet compared to the stars – is an illusion. During the next few weeks watch the planet approach Deneb Algedi and then Nashira.

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