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 Post subject: Re: Comet ISON
PostPosted: Thu Nov 07, 2013 6:04 pm 
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Nice one Ross. It was good to see a few images on the website this morning and I too have stacked 5 of them and got a similar result playing with the sliders in IRIS. The Cluster-cam looks like it is worth trying a few more images to attempt a small stack.

Regards


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 Post subject: Re: Comet ISON
PostPosted: Sat Nov 09, 2013 8:35 am 
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A spell of wet weather at Tenerife this week has hampered my attempts to get some more comet images from the Bradford Robotic Telescope, but yesterday the MicroObservatory's telescope "Donald" managed to capture a couple of frames from Arizona:
Attachment:
File comment: Stack of 2x 60-sec, 15-min apart
ison_8nov.jpg
ison_8nov.jpg [ 61.42 KiB | Viewed 4239 times ]


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 Post subject: Re: Comet ISON
PostPosted: Sat Nov 09, 2013 2:34 pm 
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The latest Sky and Telescope finder chart for C. ISON below. They are now playing down expectations but 1st or 2nd December with Mercury, the Moon and Saturn nearby looks best.


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 Post subject: Re: Comet ISON
PostPosted: Sun Nov 24, 2013 9:33 am 
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For those who (like me) missed it, last night's Horizon programme on Comet ISON is available on the BBC iPlayer for the next seven days:
http://www.bbc.co.uk/iplayer/episode/b03k3881/Horizon_20132014_Comet_of_the_Century_A_Horizon_Special/
Thanks to Bill for spotting it.


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 Post subject: Observing Comet ISON at perihelion
PostPosted: Wed Nov 27, 2013 7:01 am 
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The comet has just appeared in the field of the LASCO C3 coronagraph on the SOHO satellite:
http://sohowww.nascom.nasa.gov/data/realtime/c3/1024/latest.html
so we'll be able to follow its encounter with the Sun over the next couple of days. 8-)

And cameras on the SDO spacecraft will be tracking it for a couple of hours on the evening of Thu 28-Nov: http://cometison.gsfc.nasa.gov/index/about


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 Post subject: Re: Comet ISON
PostPosted: Wed Nov 27, 2013 1:28 pm 
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Time lapse video looks good as well

http://sohodata.nascom.nasa.gov/cgi-bin/data_query_search_url?Session=web&Resolution=2&Display=Movie&Start=2013-11-27&Finish=2013-11-28&Instrument=LASCO&Detector=C3

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 Post subject: Re: LASCO coronagraph
PostPosted: Wed Nov 27, 2013 2:33 pm 
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rwilkinson wrote:
The comet has just appeared in the field of the LASCO C3 coronagraph on the SOHO satellite
And I can see Antares and the M4 globular cluster too (in the lower-left quadrant) - it's amazing to be able to see deep-sky objects when they are almost in line with the Sun! 8-)


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 Post subject: Re: Comet ISON
PostPosted: Thu Nov 28, 2013 9:18 pm 
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The BBC is reporting the destruction of Comet ISON on its close pass to the Sun

http://www.bbc.co.uk/news/science-environment-25143861

I guess time will tell!!!!


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 Post subject: Re: Comet ISON
PostPosted: Thu Nov 28, 2013 9:50 pm 
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Looking at the latest soho video it seems to have disintegrated on it way in - ie just before closest approach.
Comet ISON RIP
Stop press - something seems to have emerged from behind the Sun...........


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 Post subject: Re: Comet ISON
PostPosted: Fri Nov 29, 2013 6:27 am 
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DRatledge wrote:
Stop press - something seems to have emerged from behind the Sun...........

Oh yes, the LASCO C3 image from this morning clearly shows that something has survived, and is starting to brighten:
Attachment:
ison_peri.jpg
ison_peri.jpg [ 291.98 KiB | Viewed 4143 times ]

So rumours of ISON's death were greatly exaggerated!

And although the SOHO website is overloaded at the moment, you can get their LASCO C3 movie from this site instead: http://cometison.gsfc.nasa.gov/assets/processed_movies/latest_lascoC3.mpg


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