Comet NEOWISE - magnitude
Taken by Peter Zimnikoval on July 15, 2020 @ Banska Bystrica, Slovakia
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An attempt to estimate apparent magnitude of the comet NEOWISE using comparation with other bright object on the sky at the same time. Camera Canon EOS 1200D was unfocused and objects were photgraphed using the same exposure factors. Computation of the relative brightenees from RGB values was not succesful. Problem is in very different positions of the objects (altitude above horizon, influence of city lights and high altitude clouds). But the comet seems to be a litlle bit brighter than gamma Aql thus its magnitude may be around +2 now.
Photographer's website:
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