Saturday, February 4, 2017
TODAY'S SUN WITH INTERNATIONAL SPACE STATION TRANSIT /// TAKEN BY: PAUL STEWART
I thought I was going to miss this but the clouds miraculously parted at the right time.
The ISS traveling at 7.7km/s only took 400ms to travel across the edge of the Sun.
Captured with a Lunt Calcium K filter at a wavelength of 393 nm, this is an emission line of Calcium and shows the lower chromosphere.
A 80mm Z80 refractor was the scope used and a Pt Grey Chameleon 3 camera.
2/04/2017 10:15:00 PM
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