Category

Solar

Category

I captured two ISS transits of The Sun on the weekend of 12-13th June 2021.  Both images and videos were taken with my Lunt Systems T60Ha Hydrogen Alpha telescope and ASI174MM camera. ISS Transit at 15:05.14 on Saturday 12th June 2021 The transit above was not quite visible from my back yard and so I had to put all the gear into my car and drive about three miles from where I live.  I set up about twenty minutes early to ensure I was ready  and there were no technical gremlins.  I was not quite located exactly where the ISS crossed the precise diameter of the sun – I was about 300m away!  Yes, a very small change of position on the Earth’s surface really does make that much difference to the visible track of the ISS across the face of the sun.  The ISS was about 520km away when…