Observing

Here comes the sunspot!

24 October 2021 Mark Armstrong

A major new sunspot has just rotated into view at the south-eastern limb area of the Sun’s photosphere. Officially designated sunspot AR2887, it was first seen peeping around the Sun’s limb on 22 October.

Observing

See Mercury at its morning best

23 October 2021 Mark Armstrong

Mercury reaches greatest elongation west of the Sun on 25 October, providing an opportunity to observe the elusive innermost planet’s best showing of the year before sunrise.

Observing

Orionids marred by the Moon

21 October 2021 Mark Armstrong

The Orionid meteor shower peaks on 21/22 October. Unfortunately the shower will be severely affected by glare from a near-full Moon. Orionids often leave persistent trains, or trails, so its brightest meteors might slice through the glare.