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posts/2026/artemis_2_eclipse.md

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---
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blogpost: true
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date: Apr 9 2026
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author: Stuart Mumford, Shane Maloney, Albert Y. Shih
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category: Tutorial
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tags: eclipse
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---
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# Artemis II Solar Eclipse
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The Artemis II mission launched on the 1st April 2026, this launch date (or the window on the 2nd) allowed the crew to observe a solar eclipse on the 6th April after transiting the far side of the moon.
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```{figure} ./art2_eclipse_ship.jpg
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:width: 66%
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:alt: Artemis 2 Solar Eclipse with Capsule
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Image credit NASA
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```
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We on the SunPy blog {ref}`rarely miss the opportunity <2024-04-03-eclipse>` to talk [about a solar eclipse](https://github.com/sunpy/solar-eclipse/).
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So when we saw the stunning photos taken by the astronaughts on Artemis II, we loaded them with SunPy.
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I do highly recommend watching the recording of the eclipse [on YouTube](https://youtu.be/dS9qqzSF3mI?si=NFfli3b7f0tYoVDP&t=1683).
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## Fitting Coordinate Information
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To be able to compare this image with other observations of the Sun, we need to identify where the camera was pointed and how it was rotated.
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To do this we perform the following steps, all the code for this example is in **the sunpy example gallery**.
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1. Extract the time information from the metadata on the camera.
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1. Use the time information to know the exact position of Artemis 2.
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1. Fit the edge of the moon to identify the location of the center of the moon, and the size of the moon in the image.
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1. Use the three planets visible in the lower right of the image to identify the rotation angle.
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1. Use the planets to fit the distortion of the lens.

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