First Ring System Found Around an Asteroid


One significant feature that links Jupiter, Saturn, Uranus and Neptune is the presence of ring system.  Now a fifth solar system body can be added to this rarefied group, and it is a rather surprising addition.  Observations at several sites in South America including ESO’s La Silla Observatory have discovered… Click to read more

A large Lunar Impact Blast on 11 September 2013

Featured image impact

On the 11th September 2013 at 20hrs 07min 28.68secs ±0.01secs UTC, two telescopes operated in MIDAS network recorded an bright flash produced by the impact on the Moon of a large meteoroid. The peak brightness of this flash reached 2.9 ± 0.2 mag in V and it lasted over 8 seconds, with estimated energy of 15.6 ± 2.5 tons of TNT. Work has important implications for impact flux on Earth. Click to read more

First International Dark Sky Reserve Named in Ireland


More good news for those of us who treasure dark skies to enjoy the wonders of the universe.  On January 27, 2014, the International Dark Sky Association named its first International Dark Sky Place in the Republic of Ireland.  Not only is the first in Ireland, but Kerry International Dark… Click to read more

Schmitt-Cassegrain Collimation Made Easy Using a Duncan Mask


For any telescope to perform at its best, the optical elements must be aligned. With its magnifying secondary mirror, a Schmitt-Cassegrain is particularly sensitive to collimation. This process can be made quite simple by using a Duncan Mask which is very easy to make yourself and it removes the ambiguity of whether you have the optical elements precisely aligned. Click to read more

The International Dark Sky Association names two new UK dark sky places


On December 9th 2013, the International Dark Sky Association (IDA) announced that it has designated two new International Dark Sky Places in the United Kingdom, including one representing the largest land area of protected night skies in all of Europe. Click to read more