ISS transit of the Sun
Taken by Enrico Africa on September 6, 2019 @
Mason, Ohio
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Details:
I found that a solar transit was predicted for the morning of September 6 over our area. What wasn’t so great is that the sun was pretty low from our backyard. Using the transit finder tool, I found a nearby park that had a low enough horizon for me to see the event.
The morning of the 6th was calm, cool and clear. Giving myself plenty of time, I arrived almost an hour before the event and was set up with plenty of time to spare. A friend joined me about 15 minutes later, and about 20 minutes before the transit I fired up my instruments and aimed at the sun. I started capturing images (videos, actually) around 8:05. The transit was forecast to occur about 15 seconds after 8:16 (yes, it’s that detailed!), so at 8:15:30 I started a continuous video capture. Sure enough, at around the appointed time, I saw a teeny, tiny object dash across the face of the sun. It was over in under 3 seconds!
So attached is a composite of the capture. Unfortunately, there were a few gaps in the capture, so the ISS was not seen to go smoothly across the face of the sun in the video. So this final image is a composite of frames of the ISS in various steps across the Sun.
Optics used was a Lunt LS60 Pressure-tuned H-alpha solar telescope. Camera was a ZWO ASI-174MM camera. Instruments were carried by a Celestron CG5-ASGT mount.
Photographer's website:
https://www.skiesbyafrica.com
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