Hello - my new observations of C/2017 T2. For the first time I see a large outer coma in the blue and green channel. If this development continues, the comet should be brighter than 8mag in maximum. Image from nov. 28 UT 21.12 with 8 "/2.0 RASA and Asi 1600 3x180 red 3x210 green 3x210 blue. Best regards Michael Jäger |
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