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Imaging Sunlight
I have a one copy (signed by author) of "Imaging Sunlight -using a digital spectroheliograph" available. This is brand new, unread, in excellent condition.
Asking $40 plus postage Oz.
This will be very useful to any solar observer with chapters on history, solar filters and Photospheric/ Chromospheric features etc.
Last edited by Merlin66; 11-12-2016 at 05:02 PM.
Reason: Updated.
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