Visibility III / V
The comet 67P / Churyumov-Gerasimenko still dimly shows the dust trail accumulated from previous rounds of the comet in front of the core. My previous observation on this was 11/11/2021 https://www.taivaanvahti.fi/observations/show/102218
Picture 1) 30x30s Clear filter, stacked according to the stars, exposures from 2021-12-04_2257UT
Figure 2) R filter 660nm / 70nm Figure 10x90s 2021-12-04_2318UT
Figure 3) R filter CometCIEF processed. In addition to the tail, a particle jet directed to the lower left PA120 ° is distinguished
Figure 4) CN filter 387nm / 15nm cyanide radical emission 3883Å Figure 24x300s 2021-12-05_0011UT
Figure 5) CN image CometCIEF processed. Distinguished by a powerful CN gas wide jet in the PA140 ° direction
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Mielenkiintoinen tuo 'etupyrstö'.
Koitin sitä saada omiinkin kuviiin mutta ei onnistunut.
Tuota dust trailia on Japanissa Katsumi Yoshimoto saanut 3.12.2021 pienellä 77mm linssiputkella näkyviin todellä pitkästi yli 10 asteen verran 67P/C-G:n perässä @katsumi_comet_67P