Jack Ireland comments

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                                            Jack Ireland

Rewrite `differential_rotate()` to use `RotatedSunFrame`+`reproject`

Just to confirm, both full disk maps and submaps give the same answers (up to the differences due to interpolation methods as noted in #3931) when using the two methods?

The purpose of the HelioviewerClient

How about removing all the helioviewer (HV) code from SunPy and making it an affiliated package? I think the Helioviewer API is not really part of core SunPy. Writing a...

The purpose of the HelioviewerClient

After the discussion this week, some further ideas cropped up. 1. Remove the helioviewer client from SunPy entirely and make it its own package as suggested above. 2. Extend Fido...

Add the option to automatically determine the extent of a map when using `reproject_to()`

Just a comment - `reproject` contains the `find_optimal_celestial_wcs` function (https://reproject.readthedocs.io/en/stable/_modules/reproject/mosaicking/wcs_helpers.html), which seems to be related.

Add the option to automatically determine the extent of a map when using `reproject_to()`

So do we need to transform every pixel?

LASCO FITS headers do not have observer location

This might help: https://gitlab.com/SWHV/GeometryService Get your spacecraft positions online.

Reproduce the "Where is STEREO?" plot in SunPy

Part of the reason that I am interested in this is that getting the code to run that generated the STEREO webpage plot was, sorry _continues_ to be a real...

Allow specification of open or closed interval to vso.attr.Time

ok by me