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richard ashbee

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Posts posted by richard ashbee

  1. On 06/06/2020 at 13:49, RodAstro said:

    Hi

    I hope your new scope has arrived and is working well.

    The ASI 120mm camera should work fine although you wont get a full image of the sun.

    I realise now why stopping the aperture down helps so much, a quark starts to work at f15 but not that good, it is becoming optimum at f30 and above so stopping down to 30mm brings you to f30. Stopping down to 37mm gives you f25 and is a nice compromise and a vast improvement.

    One of the main complaints of the scope is the image is to bright so stopping down actually helps two fold. A simple cardboard mask will do fine as a stop. 

    It will be interesting to see your results.

    Rod

    Hi i am new to this, how do you stop down the scope from F15 to F25, is it on Sharpcap?

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