When will the next bright comet appear? This was the question on every stargazer’s mind over the last few years. On average a good naked eye comet should appear every…
Resident comet hunter and EAAS member, Martin McKenna has been observing comets since 1997 and has made it his passion in the field of astronomy. He has clocked up over…
Resident comet hunter and EAAS member, Martin McKenna has been observing comets since 1997 and has made it his passion in the field of astronomy. He has clocked up over…
INTRODUCTIONVisual comet hunting is the systematic search for undiscovered comets by the visual amateur observer using the naked eye, binoculars or telescope. It is a way of exploring the entire…
December 2003On New Years Eve the planet Saturn will be closer to Earth and brighter than at any time in three decades. All month long, everyone can enjoy Saturn at…
Choosing Your First Telescope - A Beginner's Guide by Stevie Beasant & Eamonn KeyesA question which keeps popping up over and over again on the NIAAS forum is "How do…
IntroductionHere is a set of formulae and numbers that I have always wished was in one place. Now they are. Enjoy.f ratio (or focal ratio) = primary mirror focal length…
There are three types of telescopes for the Amateur Astronomer, refractor, reflector and catadioptric. All these designs have the same purpose, to collect light and bring it to a point…
The following is a basic guide to some of the factors to take into consideration when choosing eyepieces. It is based on my experience but also on conversations with and…
Hi all,Just thought I would write up the instructions for making a very sensitive jam jar magnetometer. The plans are based on instructions found on the internet, but it was…