Comet C/2023 A3 (Tsuchinshan-ATLAS)
Taken by Mike Olason on July 31, 2024 @
Tucson, Arizona
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Details:
C/2023 A3 is continuing to follow the expected magnitude curves at this time, nothing unusual to report. Magnitude calculations from the July's observations are provided below. These magnitude calculations are verified by Michael Jaeger who has done magnitude calculations on images taken by Gerald Rhemann as shown in the German Comet Group discussion pages. There is no odd behavior in the comet's magnitude at this time, the comets magnitude is simply following the magnitude curves that Seiichi Yoshida has provided for C/2023 A3. Up to this point in time there has been no major ejection of material to suggest that this comet may disintegrate or is disintegrating. The small increase in brightness above the expected curve and then small decrease in brightness evolution over the past several months was explained by visual orbit dynamics as observed from Earth. Since we don't know what lies under the surface of any comet disintegration is always a possibility, but observations usually give us a clue before it happens. My observations don't suggest anything except what is expected so far, but C/2023 A3 is a comet so anything could happen at any time as it approaches the Sun.
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