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Offline Tom Bishop

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Bay Area California 02-21-21 "Ball Experiment" Test
« on: March 11, 2021, 02:34:16 AM »
I am reposting my observation here for posterity and reference regarding the Moon Tilt Illusion.

On the "Ball Experiment" -

Bay Area California, Feb 21st, 2021, pictures taken around 5:27 PM PST with a Google Pixel 3 XL Phone.

Image 1:

I placed the ball on a post along the side of a road. The sun was shining from a horizontal direction. The ball is half lit.

Full Size: https://i.imgur.com/6AMa1fZ.jpg



Image 2:

Viewpoint from behind the ball, looking at Sun:

Full Size: https://i.imgur.com/dahZJsy.jpg



Image 3:

From a position front of the ball, with our back to sun, we can see that the illuminated portion of the Moon pointing upwards in the background. See Full Size for detail.

Full Size: https://i.imgur.com/yXGCLyR.jpg



Image 4:

Closeup of the Moon in the background, while zooming in the device created a digital leveling tool on the screen to help ensure the device was level. Compare the orientation to the Moon in the Full Size Image 3 above.

Full Size: https://i.imgur.com/eSmtd9N.jpg



Image 5:

Next I moved my position to below the ball and the top of the post, to get the ball to point upwards via a close range perspective effect. I could have done a better job at getting the phase to match, by moving the camera around. But it was easy to move the camera downwards to get the illuminated portion to point upwards:

Full Size:  https://i.imgur.com/rSV2mAx.jpg



Another version of the Tilt - https://i.imgur.com/n1cYCrS.jpg

Image 6:

Finally, I turned the device and placed the ball across the screen from the sun on a wide frame. The illuminated portion pointed at the Sun.

Full Size: https://i.imgur.com/BNazZl6.jpg

« Last Edit: March 11, 2021, 02:37:13 AM by Tom Bishop »