Several years ago I had a vision/desire to attempt to capture a commercial jet airliner as it passed in-front of the moon at night.
After countless nights, and a huge number of "near-misses", and during less than best (understatement) conditions, I got an intersect, I was elated!! The later should have echoed for a week!
Subsequently, I thought it would be a good challenge to try the same objective only to have the jet pass in front of the sun during the day. I soon realized my "sun" quest was a challenge X 10 !! The difficultly soon became obvious: The moon at night you can look at without too much concern. The difficulty is seeing/tracking objects (jets) against a dark sky as they can only be seen with their blinking strobe light. I pondered: is an intersection image really possible?? It was!
The significant challenge during daytime: Can't look at the sun, hard to see aircraft in the sky! Is an intersect even possible?
Approach I took: first priority - get a good solar filter for my camera lens. ( Baader AstroSolar Safety Film by Kendrick )
good sunglasses (Maui Jim's my #1 choice) is a must to be looking up, not directly at the sun, but into the brightness of the sky, and while looking for "potential" aircraft.
The camera completely in manual mode(s): tripod a must, manual focus, f/11, 1/800, set to fastest fps. *Using hand held shutter release. As aircraft "looks to be on an intersect.. hold your breath and press the shutter!
GOT IT today!!
The bright object IS the sun!! You can see the sun spots below the jet aircraft. You can see the Jets exhaust trail as it passes on the edges of the sun. This short clip is comprised of 32 single exposure shots.. no adjustments to each photo other than cropping.
This was taken from the Edmonds (Washington State) waterfront on April 9th, 2015. The jet aircraft is assumed a commercial airliner heading to land at Seattle's Seatac Airport.

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