Observing

Seek out 1998 OR2, the brightest predicted near-Earth asteroid encounter of 2020

12 April 2020 Ade Ashford

A near-Earth object (NEO) and potentially hazardous asteroid (PHA) with the catchy official name of 52768 (1998 OR2) passes just 16.4 lunar distances (6.3 million kilometres) from Earth at 09:56 UT on Wednesday, 29 April 2020. Here’s our guide to locating this fascinating asteroid in 15-cm (6-inch) aperture telescopes and smaller from the UK this month.

Observing

See planet Venus dazzle at greatest brilliancy in the pre-dawn sky

17 September 2015 Ade Ashford

Early risers wishing to see Venus as a dazzling ‘morning star’ need only glance low to the east in the pre-dawn sky. The planet reaches greatest brilliancy on Sunday, 20 September when, for a couple of mornings, it can be seen outshining brightest nighttime star Sirius in the southeast by a factor of seventeen times. Can you see your shadow cast by Venus?

Observing

See the Moon & Venus get close in the pre-dawn sky

9 September 2015 Ade Ashford

As dawn creeps across Western Europe on the morning of Thursday, 10 September, a close conjunction of the two brightest objects in the nighttime sky is taking place low in the east an hour before sunrise. So, set your alarm for 5:30am in the UK to see a beautiful juxtaposition of a 26-day-old waning crescent Moon and dazzling planet Venus in the twilight.