Observing

Catch the ‘Rosetta’ comet’s return

Comet 67P/Churyumov–Gerasimenko, visited by the European Space Agency’s Rosetta probe, is well placed for observation now; indeed, it’s been under constant scrutiny by amateur astronomers since late spring, when it shone feebly at nineteenth-magnitude in the pre-dawn sky from the UK.

Observing

Here comes the sunspot!

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

Orionids marred by the Moon

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.