The ISS crossing the Sun - Sunspots AR2816 and AR2817 (Jérémie)

Contains: Solar system body or event

The ISS crossing the Sun - Sunspots AR2816 and AR2817

I finally catched the ISS !

The first time, in front of the Moon, I set the capture to record 16 bits images, leading to a poor FPS ratio, and hadn't enough memory in the laptop to compensate the dropped frames induced by low hard drive writting speed.... I was a bit below 1 frame per second recorded, while the ISS, being close, had therefore a transit of less than half a second...

I learned the lesson and used a proper laptop with SSD hard drive. But my son and I, in the hurry, forgot the image was reversed on the screen and we porrly framed... leading us to catch only 3 frames with the ISS while we could have had a 4th one and get the full path :-( I could clone it, but I am not that kind of guy :-)

And with our sunglasses, and the screen in the sun, we also messed up the exposure (important in 8 bits, you can't adjust as well afterward). So it is a bit overexposed to my taste on the center of the sun.

Lots of lessons learned again this time !

The ISS is crossing the sun again tomorrow, but the sun will be too low on the horizon for me and the ISS will be half as visible 26 vs 52 arc seconds, but the transit would therefore last longer... Anyway, next time for me is on the Moon, mid-May, and with the RC8 to get a better resolution.

IOptron CEM
Solar System Imaging
AAA : Astronomes et Astrographes Amateurs
Imaging from Paris (and close neighborhood)
Black and White images
The ISS Catchers Group
Astrophotographes (France)

BLACK AND WHITE
THE SUN

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The ISS crossing the Sun - Sunspots AR2816 and AR2817

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