Albert Y. Shih

Add an explanation page for when (not) to use the 'synodic' option for `diff_rot()`/`differential_rotation()`

2

see title

The `propagate_with_solar_surface()` context manager can be used to account for solar differential rotation when reprojecting a map to a different observation time, but off-disk data are discarded. The `assume_spherical_screen()` context...

I added functionality to Astropy 5.0 to facilitate defining loopback transformations (astropy/astropy#10909), so we are now free to use that functionality to simplify our internals.

Overhaul how we handle dates/times for maps

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This is spun out from #7606. I propose an overhaul of how we handle dates/times for maps. To briefly summarize the FITS standard: - DATE-OBS is commonly used in older...

WCSAxes: pre-compute the coord range to eliminate redundant transformations when drawing ticks/gridlines

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### Description From #16362: > When WCSAxes draws ticks/gridlines, it performs a pixel->world transform of (by default) a 50x50 grid of pixels, but it currently performs the identical calculation a...

Add a git diff hook for pre-commit

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### Description This pull request adds a hook to the `pre-commit` CI check that shows at the end what `pre-commit` wants to change. (The CLI option `--show-diff-on-failure` can't be used...

The docstring for `RHESSISummaryTimeSeries` ought to explain what is meant by "summary" lightcurves. Importantly, people may think that it is science-quality data (it is merely quicklook) and don't understand its...

Support for Helioprojective Radial

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This PR at last implements support for Helioprojective Radial (closes #5561). (See #1736 for a past attempt.) The tricky aspect is negotiating between the natural component of impact angle, which...

Currently our eclipse calculations assume that the Moon is a smooth sphere, with two options for the radius to account for the valleys in the lunar limb. We could consider...