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 Post subject: ISS solar transit, Friday 2-Sep
PostPosted: Wed Aug 31, 2011 7:39 pm 
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The program is predicting a solar transit of the ISS just after 4:34pm this Friday afternoon, visible from central Bolton:
Attachment:
File comment: Predicted ground-track (between the red lines) of the solar transit
2sep.jpg
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 Post subject: Re: ISS solar transit, Friday 2-Sep
PostPosted: Thu Sep 01, 2011 2:27 pm 
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Ross,
Are those time GMT or BST?
Cheers,
Dave


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 Post subject: Re: ISS solar transit, Friday 2-Sep
PostPosted: Thu Sep 01, 2011 3:58 pm 
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DRatledge wrote:
Are those time GMT or BST?


They are BST (="daylight saving time") - I manually set a +1 hour offset in the program over the summer months.


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 Post subject: Re: ISS solar transit - missed it by a minute!
PostPosted: Fri Sep 02, 2011 4:20 pm 
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After a mostly cloudy day it did start to clear around 4pm, but at 4:34 there was dense cloud in front of the Sun, whereas just 60-sec later it had cleared enough to get this image:
http://www.boltonastro.org.uk/Gallery/displayimage.php?album=55&pos=6

This is the set-up which I used:
Attachment:
File comment: Using the Society's Trust webcam and driven EQ2 mount - only the telescope (and computer) are mine.
webcam1.jpg
webcam1.jpg [ 186 KiB | Viewed 5655 times ]
Attachment:
File comment: This high-tech shade (made from an old cardboard box!) is necessary so that I can see my netbook screen in bright sunlight.
webcam2.jpg
webcam2.jpg [ 180.07 KiB | Viewed 5655 times ]


Then the sky got much clearer from 5pm! :-(


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