Contains:  Solar system body or event
Transit of Mercury 2019 - Stereo Image, Corey Rueckheim

Transit of Mercury 2019 - Stereo Image

Transit of Mercury 2019 - Stereo Image, Corey Rueckheim

Transit of Mercury 2019 - Stereo Image

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Acquisition details

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Description

This is a pair of images, taken approximately 8 minutes apart, that I've prepared for stereoscopic viewing. You can use the parallel viewing method to freeview this image pair (the images would need to be switched left-for-right for cross-eyed viewing). I've used a VR device to view it and it worked pretty well, though I had to admit that it's not visually spectacular. The spectacular part is understanding the enormity of what we are looking at, and that technology now allows us to view an entire planet as if we were transcendental superhumans viewing the Solar System as a diorama.

Due to the way this pair of images was taken, it isn't a true stereo view of Mercury and the Sun, but does a good job simulating one. True stereo images are formed by taking images from two horizontally separated locations, causing a parallax of the target. In this case, the apparent parallax of Mercury is caused by Mercury's movement, not the camera's (Earth's) movement (in fact, the Earth's movement actually had a small nullifying effect on the parallax).

The camera that took the images was attached to an equatorial mount that was tracking the target, so the images shared the same rotational orientation. Thus, the first step in preparing them for stereoscopic viewing was to align the solar limbs on both photos. Then, I rotated both images so that the movement of Mercury occurred horizontally (because our eyes are spaced horizontally). Lastly, I used judicious cropping and some filling of corner areas.

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Transit of Mercury 2019 - Stereo Image, Corey Rueckheim

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