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Comparison 150mm achromat and ED instruments


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About this observation
Peter Anderson
Time of observation
05/04/2020 - 00:30
Observing location
Brisbane, Australia
150mm F8 Achromat and ED instrument
2000 ISO

Comparison with 5X Barlow lens of Achromat image (on left) and ED (on right). Images 7th January 2020  for the achromat and 5th April 2020 for the ED. - Each around 09hrs 30min UT.

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