Archive | April 6, 2013

Update On Comets C/2012 S1 (ISON) & C/2011 L4 (Pan-STARRS)

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Anura Guruge


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>> Last ‘Pan-STARRS’ post — Mar. 17, 2013.


Click to access NASA video and article.

Click to access NASA video and article.


C/2012 S1 (ISON), the ‘2013 holiday’ comet that will be at its peak in November – December 2013, could end up being the great comet of 2013‘, ‘the comet of the century‘ or even the ‘once in a civilization comet‘.

But, comets love to tease and beguile. So this is still a tad to early to get any hopes up. The comet having passed Jupiter’s orbital path around March 17, 2013 is 4.22 AU [392.3 million miles] away. If it successfully weathers its perihelion around the Sun on Thursday, November 28, 2013 [yes, Thanksgiving] , it will be an order of magnitude closer as it rushes by Earth at a 39.9 million mile separation on Boxing Day, 2013. There is a 20% chance that it might get fragmented or zapped as it is classed a ‘sungrazer‘ since it will skim by just 723,683 miles from the Sun’s surface.

From NASA JPL. Click to access. You will need working Java. It is at the top. Click on [show orbital diagram]. Good test to see if you indeed have the latest & greatest Java on your computer. I have Java just for this application.

From NASA JPL. Click to access. You will need working Java. It is at the top. Click on [show orbital diagram]. Good test to see if you indeed have the latest & greatest Java on your computer. I have Java just for this application.


Dave Eagle, in an e-mail this morning, gave me a heads up that C/2011 L4 (Pan-STARRS) is still visible (though I am not sure whether it is still naked eye).

Per Dave, and he would know, it will be close to ‘M31‘ — i.e., Andromeda. So, for us in New England, that would be low in the Northwest sky around 8 pm. I think trees will be the problem for us. From what I can see from my trust Sky Charts our best bet would be to start with The Pleiades (the easy to spot ‘Seven Sisters’/Subaru cluster). That should be close to West around 8 pm. Then start scanning North from there. With luck you should be able to spot the ‘W’, the upside down crown, of Cassiopeia. M31, and hence the comet, should be below Cassiopeia.

Last night we had a perfect viewing night, if not for the bitter cold wind. Tonight might be better. So, lets try and get out there and have a look. Binoculars might help.

David Eagle’s “Eagles Eye On The Sky”: Outstanding Astronomy Resource, Exceptional Human Being. Check It Out.

Dec2013x125

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by
Anura Guruge


++++ Search CATEGORY ‘Astronomy’ on sidebar for other posts >>>>>>


Click to access David's amazing 'Eagles Eye On The Sky' Web resource.

Click to access David’s amazing ‘Eagles Eye On The Sky’ Web resource.


I, serendipitously, found David’s excellent work on the Web earlier this year.

When I realized that he was a fellow Brit, I contacted him and asked him for some help with my work. He immediately agreed and has been beyond wonderful. This is great. It restores ones faith in fellow humans, in this increasingly impersonal and insensitive Internet age.

Check out Dave’s work. You will not be disappointed. Plus, he is an excellent resource on up to date information on comets.

So, I grateful tip my hat to Dave and encourage you all to get to know his work.

NEO Cricket Channel On DISH Network Gets A 5 – 6 Week Sabbatical Till Mid-May 2013. Same Willow Cricket On Both Channels 712 & 713.

Dec2013x125

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by
Anura Guruge


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I hadn’t checked my three 24×7 cricket channels on DISH for a ‘few’ days now. OK, maybe even a week. I still have in excess of 80 hours recorded and since I, at most, only get to watch 45 minutes a day, it is going to take me 3 months just to watch what I have now. Plus, I am running out of room.

But today I idly checked the schedule and noticed that NEO was missing — not that I really cared because I rarely if ever watch any cricket on NEO. Noticed that Willow was being shown on both channels 712 & 713. Eaxact same programming. So it was just the principle of things. I am paying my $19.99/month for 3 channels, not 2. So, I called up DISH.

They told me the news. We sorted things out very amicably. DISH tends to be good to me, as you would expect given my monthly bill. I was happy and they were happy that I was happy.

So NO NEO till mid-May. Not that I care. Not really sure who watched NEO. It is not a credible cricket channel. To me it is like MTV with cricket videos.

I think, I am not sure, that it is the IPL. Something else that I don’t watch. Has zero appeal to me. I am still warming up to T20. Have seen a few decent T20s. I will typically record a T20 if WI, Ind. or Pak is playing. Yes, I don’t typically watch SL playing T20. Actually, of late, I haven’t watched much SL at all! Back to my longtime obsession with WI. They are getting better and with that, I find them, as ever, compelling.

So the bottom line is that if you notice that NEO is missing on DISH, do not panic. 


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