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    Harpia Extender

    Thanks Henry. Yes it is true that night time planetary observations are quite different to bright daylight observations. I could resolve Mizar with the Canon 10x30 IS at 14.4 arcseconds unequal double, but realise that in daylight with ball bearing stars I could probably do better. I was quite...
  2. B

    Harpia Extender

    In my experience increasing the magnification beyond the point where full detail is seen is of considerable benefit. It makes the detection of hidden detail more likely. Just barely using the minimum full detail magnification does give a brighter image, but does not reveal all there is to be...
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