Guy Ottewell

Lurch forward an hour

“A squeal of distress will go flying across America … It’s all those clocks, being twisted an hour forward, away from the natural time they were born to show.” Insights on time from astronomer Guy Ottewell, here.

Chart showing Mercury and Mars in the west after sunset.

Now is the time to see Mercury

For Northern Hemisphere skywatchers, it’s the best evening apparition of Mercury in 2019. Now is the best time to look.

Chart showing the early morning sky in late January and early February 2019.

The moon at mid-arch from full to new

Astronomer Guy Ottewell shares insights and charts related to the current moon phase.

Past-and-future Earths ring in New Year

Astronomer Guy Ottewell has developed a novel way of picturing ourselves riding on Earth, orbiting the sun. See those past-and-future Earths as we look backward at the old year – and forward into the new – here.

A sense of balance, at the solstice point

At the December solstice, Earth arrives at the 4th of the year’s 4 cardinal points.

Venus hovers near Spica

Venus and the bright star Spica have been near each other for some days, and will remain so for a few days longer. We’re now in the middle of the best time to see them near each other in the east before sunup.

Venus passages compared

Venus will sweep near the sun in our sky (inferior conjunction) on October 26. Astronomer Guy Ottewell uses his great skill at illustration to compare this passage of Venus with the last one, and the next one.

Venus, she or it?

Are you interested in the famous 8-year cycle of Venus? The charts in this post – from astronomer Guy Ottewell – illustrate it. Also, weigh in on whether you think we should describe Venus as she or it!

Moonless nights ahead for the Perseids

It’ll be a great year for the annual Perseid meteor shower. Don’t miss this preview by Guy Ottewell, which has the best charts you’ll find anywhere online.

The July 27 total eclipse of the moon

More details and more charts, from Guy Ottewell.