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Rosliston Astronomy Group

Astrophotography

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Sky Quality Meters

 

These measure the background sky brightness. The main manufacturer of stand alone SQMs is Unihedron (2016).

[Unihedron SQM-LE]
[Photos/Drawings] [Techniques & Tips] [Using GIMP image processing software] [Video Astronomy] [Philips Toucam Webcam] [iSpy Software] [Using GOTO Mounts] [Sky Quality Meters] [Dehumidifers] [Pluto Time] [Photographs, drawiings and video by members of RAG after April 2014]