This script takes a JSA tile
and produces a MOC representation of the area covered by good pixels.
jsatilemoc in out
IN = NDF (Read)
An NDF (or FITS) file containing a JSA tile. It must have
a TILENUM header indicating the JSA tile number accompanied by a comment including the
HEALPix Nside value. The JSA tile must not have been trimmed. It could either be created
with the trimming options disabled, or be untrimmed using the UNTRIM_JSA_TILES
MAXORDER = _INTEGER (Read)
The maximum HEALPix order to
be included in the MOC. 
OUT = FITS (Read)
The output MOC FITS file name.
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