Value is empty. Please enter one.
Internal error: coordinate unit (null) not found.
- All input coordinates are in DEGREES or RADIANS.
- The initial and final healpix orders can take whatever
value contained in [0, 29], but the final value must be greater or
equal to the initial healpix order; if the final healpix order
field is empty, it will be set to the initial healpix order.