Sky2Pix_SansonFlamsteed#
- class astropy.modeling.projections.Sky2Pix_SansonFlamsteed(*args, **kwargs)[source]#
Bases:
Sky2PixProjection
,PseudoCylindrical
Sanson-Flamsteed projection - sky to pixel.
Corresponds to the
SFL
projection in FITS WCS.\[\begin{split}x &= \phi \cos \theta \\ y &= \theta\end{split}\]