Native longitude of the reference point of a FITS-WCS projection
Description:
This attribute gives the longitude of the reference point of the FITS-WCS
projection implemented by a WcsMap. The value is in radians in the " native spherical"
coordinate system, and will usually be zero. See the description of attribute NatLat
for further information.
The NatLon attribute is read-only.
Type:
Floating point, read-only.
Applicability
WcsMap
All WcsMaps have this attribute.
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