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About this observation
Observer
Daryl Dobbs
Time of observation
29/05/2020 - 22:18
Object
Ptolemaeus
Observing location
Risca South Wales
Equipment
10"" Skywatcher Dobsonian
x240
Seeing Ant ii to iii
Tags

Rough sketch showing area of floor, numerous shadow spires observed with sharp edges, however edge of area just under southern wall had an uneven appearance until 22.30. Observation was to  investigate reports of shadow spires causing unusual appearance of the floor. Polarized filter used but no difference detected.

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