Celestron NexStar 8SE Goto Telescope By Ronny Kelly
Celestron NexStar 8SE Goto Telescope. I bought this telescope second hand mid 2012. It was totally standard except for the Hyperion 18-24 mm zoom lens and the Dielectric 90° mirror.…
How to make a very sensitive jam jar magnetometer by Robert Cobain
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…
Telrad Finder Review by Martin McKenna
Hitting the bull's eye with a TelradHave you purchased your favourite astronomical magazine for this month yet? I am sure you are familiar with the vast amount of pages devoted…
Armagh Observatory Meteor Station
Unlike its sister disciplines within astrophysics and planetary science, meteor astronomy has traditionally been the domain of the visual observer. Large databases of visual meteor observations, meticulously calibrated and compiled…
Review of Strathspey 25×100 binoculars by Derrick McCourt
45 DEGREE AFOV TELESCOPE BINOCULARSHELICAL FOCUSERS WITH INTER-CHANGEABLE 1.25 EYEPIECES I received the above binoculars in April 2005 from John Burns of Strathspey Binoculars, Scotland, and he had delivered them…
The Astronomical Log Book by Martin McKenna
REFLECTIONSo how long have you been into astronomy? Take a quiet minute and reflect back over your observing career. Do you remember the excitement of getting your first telescope? The…
Setting up a meteor observing station by Robert Cobain
Robert Cobain from Bangor runs an automatic meteor observing station from his house and has kindly taken the time to tell us of his observations and his setup. This is…
Dobsonian Refurbishment Project by Martin McKenna
Meade Starfinder 16" F/4.5 Dobsonian RefurbishmentBefore refurbishment... After much thought on the refurbishment of my Dobsonian, I realised that I was wasting time considering different options instead of doing anything…
Red Light Pen – No Longer Available!
What better way to record your observations than with an EAAS red light pen? A black medium point biro pen coupled with a red LED light is the perfect accompaniment…
Performance Improvement For Achromatic Refractors
Anyone who owns a conventional achromatic refractor will be aware of the blue halo surrounding any white or bright object at high powers. Most people will know that this is…