Posts by 

Guy Ottewell

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.

The moon at mid-arch from full to new

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

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, 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.

Mars and moon meet at midnight

Best insights - and best charts - anywhere online about Mars' wonderful July 2018 opposition and meet-up with the moon on the dome of Earth's sky.

On and in extinction

"I am living a few hundred feet above a scar, a surface representing the worst disaster ever inflicted on planet Earth."

Our line of sight to bright planets today

This chart - from astronomer Guy Ottewell in England - shows the paths of the planets in April and May, and sightlines from Earth to them on April 29.