I don't think a huge number of people will come to Utah. In 1995 I drove to the El Paso vicinity to meet up with SLAS members for the annular eclipse, and I don't remember seeing many others. -- Joe ________________________________ From: "erikhansen@thebluezone.net" <erikhansen@thebluezone.net> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Monday, September 12, 2011 11:19 AM Subject: Re: [Utah-astronomy] 2012 Annular Eclipse - photographing it
There probably are some sites in SE Utah that may be good as well. I am going to plot the path with recreation maps I have that show all campgrounds and view points with elevations. I would not be surprised if a lot of people from California and Arizona come to Cedar City area. Arizona, Nevada, and California have a lot of amateur astronomers. I am sure photographers are probably seeking something more scenic than Kanarville.
Snow at Bryce may also pose some problems, it is kind of early for the Astro Festival. I guess another question is how prone to damage are digital cameras to solar radiation? HEHE, Cedar Breaks is well within the path AND the time of maximum eclipse
is about 4 seconds short of the maxium time. Now, if I can deal with the issues Erik raised ....
----- Original Message ----- From: jcarman6@q.com To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Sent: Sunday, September 11, 2011 12:03:00 PM Subject: Re: [Utah-astronomy] 2012 Annular Eclipse - photographing it
Thanks Erik, that is helpful. I didn't think about 10,000 feet in May. You're right, there will probably still be snow on the ground then. It will definitely be cold - if they are open at all. Also the more I think about it, the maximum eclipse at centerline is 4-1/2 minutes. It would be a lot less at Cedar Breaks. Less time for a good shot. I need to go back to the NASA site to see if Cedar Breaks is even inside the blue lines. As I recall, it is, but all my thoughts are flotsom if it isn't. The polariing filter is also a big help. Didn't think of that.
I recall, when I went to LA for the Annular a few years after 1991, that it too was at sunset, on the horizon. I took a picture without filter, BUT there were lots of clouds, in fact the clouds blocked the sun just at maximum eclipse began. That may be why I got a decent picture. Thus my question about 8% of the sun and the need for a filter.
Thanks for the response.
----- Original Message ----- From: erikhansen@thebluezone.net To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Sent: Sunday, September 11, 2011 10:43:24 AM Subject: Re: [Utah-astronomy] 2012 Annular Eclipse - photographing it
Being so low on the horizon may afford photographs without filter or perhaps a polarizing filter.
Hi Joan, You absolutely need a solar filter for viewing a partial eclipse.
It's only safe to look at a solar eclipse during totality. I suppose you could take an extremely fast photo of the partial without a solar filter, without harming the camera, but it would be hard to take a picture without looking through the viewfinder or looking at the sun's vicinity while holding the camera up to it. I'd get solar filters for viewing and photography. Best wishes, Joe
________________________________ From: J E CARMAN <jcarman6@q.com> To: utah-astronomy@mailman.xmission.com Sent: Saturday, September 10, 2011 11:54 PM Subject: [Utah-astronomy] 2012 Annular Eclipse - photographing it
I’ve “snagged� a map of the center line from the NASA website. It shows the center line crossing US Highway 91 just south of Kanarraville. There is a specific longitude and latitude . Then a “pop-up� widow appeared, showing the duration and event times. Much to my dismay, the event times show the date 2012/05/21. The time was listed in UT, so I’m thinking the “date� is based on UT and not local time. But I don’t recall how much of a difference there is between UT and MST. The UT for maximum eclipse was 01:33:48 0. Is there that much difference between UT and MST? I guess it really is only about 7 hours.ÂÂ
Also, someone mentioned that the coverage would be 92%. That still leaves a lot of sun around the edges, although substantially reduced. Do I need a solar filter for the camera? I don’t think so, but I am posing the question.
Also, if the eclipse is taking place at about 10 or 11 degrees – that’s above the horizon, right? Even if there are mountains to the west in the distance, won’t that affect what we see if we are just outside of Kanarraville. Don’t we want to be higher – i.e, in the mountains to the east of Kanarraville (not sure that is even possible)
I was thinking Cedar Breaks has a pull out (10,000 feet, clean low western horizon, but not near the centerline) Easy to drive to. If you are there – probably slightly north of Cedar City, how much is the eclipse impacted? Would you still get the ring of fire (centered)? As the moon is passing in front of the sun, even if you are at Cedar City, won’t you still get a reasonably centered ring of fire?ÂÂ
Opinions please
Joan .ÂÂ
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