Breaking comets

Comet Atlas, portrait by Tim Connolly

First of all I start from Atlas, a new comet that is coming here! It will arrive at the end of May, passing only 0.25 AU from the sun. It could be a good opportunity for amateurs to observe a new object in the sky, but there is a not so reassuring news:

New data from astronomers around the world show that the once-promising comet is beginning to fade.

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- via spaceweather.com

This is not the only bad news: the first insterstellar comet, 2I/Borisov, that it goes away from the Sun with a speed of about 17 km/s (it will reach a speed of 32 m/s), seems to have lost a piece of the core (ATel #13611, ATel #13613).