fHTM_Cover Returns a table of (HtmIdStart, HtmIdEnd) that covers the area. fHtmLookupEq Returns 20-deep HTMid of a given Equatorial point (@ra,@dec). fGetNearbyObjEq Returns table of objects from @table within @r arcmins of an Equatorial point (@ra,@dec). fGetNearestObjEq Returns table holding a record describing the closest object within @r arcminutes of (@ra,@dec). fGetNearestObjIdEq Returns the objId of nearest @table object within @r arcmins. fGreatCircleDist Returns float holding great circle distance between two points (ra1,dec1) & (ra2,dec2)