Contains:  Solar system body or event
🙃, Ethan Chappel

🙃

Acquisition type: Lucky imaging

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Description

If you have looked at Jupiter visually through a telescope, this south-up view of the planet possibly looks familiar.

The orientation of an image seen through a telescope depends on multiple factors, one being how many times light is reflected. An even number results in an upside down image, which happens with newtonians, refractors, and most catadioptric telescopes. An odd number will be right-side up and mirrored like the RASA, SCT with HyperStar, or any mirror you encounter in your day-to-day life. However, most telescope designs are used visually with a diagonal, which reflects the light and flips the orientation one more time before it is seen.

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