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Good link for beginners, how functionate astronomical instru

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    Good link for beginners, how functionate astronomical instru

    this link shows beginners, how functionate astronomical instruments
    http://www.hypermaths.org/quadibloc/science/optint.htm

    Clear skys
    Robert
    Robert

    HoO Germany
    Heinsberg
    near Roermond

    #2
    Thanks Robert! Good links are always welcome!
    30cm en 20cm Hofheim kofferdobsons | Polarex model 132 | Lunt LS50tha | Swarovski 12*50 EL

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      #3
      Thanx! That comes in handy!
      Vuja De': the strange feeling you get that nothing has happened before.
      http://www.everyoneweb.com/demelzaramakers/

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