SELECT top 20 p.objid, p.run, p.rerun, p.camcol, p.field, p.obj, p.type, p.ra, p.dec, p.u,p.g,p.r,p.i,p.z, p.Err_u, p.Err_g, p.Err_r,p.Err_i,p.Err_z FROM fGetNearbyObjEq(180,-0.2,3) n, PhotoPrimary p WHERE n.objID=p.objID AND p.u BETWEEN 20 AND 22