What’s Up! May 2021

A monthly look at astronomical events in the sky and on Earth 

Compiled by John Rowland

First, a Thank You.
Many thanks to all the people who commented on following What’s Up! April 2021. Those reactions have given us the reassurance that these articles are worth continuing.


Astronomy from the UK has always been a challenge. When we have long dark nights and a wealth of fascinating objects to observe, that means it’s winter, and only dedicated stalwarts are prepared to forsake the comfort of a warm house and brave the cold to set up and use the telescope. But we do it because we love our chosen hobby. So do we rejoice when the weather warms up in the spring? Of course we do; it’s just that by then, it doesn’t get dark enough for us to see anything! Continue reading