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Beulah

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Posts posted by Beulah

  1. Shane,

    Excellent work, you are very handy with the tools. :)

    I am beginning to wonder whether to make a base like this for my dob, I am getting hacked off with the footprint of the circular base...

  2. Nice one, how did you fix it? Or what did you do wrong :D

    Got right up to the .BIN file load into the camera...but there are several websites out there that don't seem to have the correct drivers despite linking to them. (I had downloaded them when I bought the camera on Friday before Russ posted his tutorial) .

    Russ' links are sound.

  3. Thank you Beulah, John and Bender. I am still deliberating to be honest but I have now managed to sell my Skywatcher Explorer 150P.

    I am assuming that pyrex mirrors are superior to standard but can't find any confirmation.

    I can't wait to upgrade particularly as the arms of the milky way are spectacular at the moment when clear skies allow.

    Pyrex is superior only because of the cool down prior to observing, and perhaps to some mirror grinders during fine polishing (heat transfer from hands can "deform" the plate glass mirror, so one has to wait for the glass to cool before the next stage); once Pyrex and Plate glass have both cooled down to optimum temperatures, there really is no difference to the image. Some say that Pyrex glass cools down 20% faster than plate glass.

    I'm quite happy with plate glass, as once I lug the scope out, I usually faff about getting ready anyway, or spend time checking out the sky with a pair of binoculars - I'm in no rush.

    In a way, aperture is more important to me...:o

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