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[BAA-ebulletin 00886] Comet C/2013 US10 (Catalina) on its way to our skies

Started by Rick, Nov 21, 2015, 17:23:27

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Rick

[BAA-ebulletin 00886] Comet C/2013 US10 (Catalina) on its way to our skies
(c) 2015 British Astronomical Association    http://www.britastro.org/

This comet has been recovered following solar conjunction and it should soon become visible low in the dawn twilight from northern latitudes. It could become a naked-eye object through December and over the Christmas period.

The BAA has just issued circular 835 which provides information on observing this comet. Members can download this from here:

https://britastro.org/downloads/3843 (BAA member's login required)

There is also a news item based on the Circular here:

https://britastro.org/node/6790 (Available to all)

Nick James. Director, BAA Comet Section.

Rick


The Thing

Looks like someone is zapping it with a ray gun making the tail shoot off!

Carole

It's bizarre the way the tail is split, I thought both tails were supposed to point away from the Sun due to the solar wind.  I wonder why this one is so different. 

Carole

Rick

The dust tail lags. The ion tail doesn't (much). The comet has just swung round the Sun, but quite a bit of the dust tail was swept off the comet earlier in the orbit, and was pushed away from the comet in a different direction initially. The angle we're seeing the comet from accentuates this.

MarkS


Rick

Be interested to see whether you got any images this morning. Enough haziness here to make it difficult to see diffuse objects with binoculars...

Rick