Astronomy, Light Pollution

Light Pollution Observations parser

I’ve created some code to do basic processing of light pollution observation files at This came about from chatting to Prof. Brian Espey about processing the data from the SQM data loggers that he and others use around the country to monitor Irish dark skies and to assis the Dark Sky Places (and prospective […]

Astronomy, Radio

Listening to an ISS Schools contact

Listening to the ISS portion of a direct contact via F8KGY with students from Lycée Hélène Boucher, Thionville, France on Thu 2017-04-27 with astronaut Thomas Pesquet, KG5FYG. Sorry about the wind noise! Equipment used: Antenna: Arrow II Antenna Radio: Yaesu FT-817ND [embedyt][/embedyt]

Astronomy, computing, Radio

Detecting Meteors from radio reflections

When I was in school, I remember being told that it was possible to tune an FM radio do a free frequency low in the band and during a meteor storm you could ‘hear’ when meteors struck the atmosphere as the FM signal from distant radio stations would be reflected back down from the ionised


C9.25 tube wobbling

I’ve been having a problem over the past few months of the focus in my scope drifting unacceptably out of focus when imaging targets around the sky. Even when staying on same target for extended periods of time there was a noticeable shift. In some extreme cases the collimation also appears to be way off.

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