First attempt at making a constructor for HelioProjective frames. This is to prevent it from defaulting to a UnitSpherical rep if zeta is not specified. It defaults zeta to 0, in a way similar to the Heliographic frames.
First attempt at making a constructor for HelioProjective frames.
This is to prevent it from defaulting to a UnitSpherical rep if zeta is not specified.
It defaults zeta to 0, in a way similar to the Heliographic frames.

dpshelio/sunpy,dpshelio/sunpy,Alex-Ian-Hamilton/sunpy,Alex-Ian-Hamilton/sunpy,dpshelio/sunpy,Alex-Ian-Hamilton/sunpy