C/2017 S3 july 25
Taken by Michael Jaeger on July 25, 2018 @
Jauerling Austria
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Even if no center is clearly visible, on july 25 the coma appears on blue and green much larger than on red. The brightness trend downwards is also evident in my measurements. Near the center (Astrometrica R6) i found - July 20 11m5, July 21 12m1, July 24 12m9, July 25 13m2 Regards Michael Jäger
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