set angles degrees
unset grid

f(a,b,dec,ra)=3Dacos(((sin(a)-sin(b)*sin(dec))/(cos(b)*cos(dec))))/15+ra/=
15
f24(a,b,dec,ra)=3D24-acos(((sin(a)-sin(b)*sin(dec))/(cos(b)*cos(dec))))/1=
5+ra/15

set label "29" at 18.9668,47.5472 center font "Symbol,9" tc rgb "red" =
front=0A=

set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "28" at 18.961,43.5849 center font "Symbol,9" tc rgb "red" =
front
set label "28" at 18.879,46.9811 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "27" at 18.9386,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "27" at 18.851,44.1509 center font "Symbol,9" tc rgb "red" =
front
set label "27" at 18.7635,47.5472 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "26" at 18.8467,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "26" at 18.7544,44.1509 center font "Symbol,9" tc rgb "red" =
front
set label "26" at 18.6612,47.5472 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "25" at 18.7544,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "25" at 18.6573,44.1509 center font "Symbol,9" tc rgb "red" =
front
set label "25" at 18.5584,47.5472 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "24" at 18.6617,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "24" at 18.5598,44.1509 center font "Symbol,9" tc rgb "red" =
front
set label "24" at 18.455,47.5472 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "23" at 18.5686,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "23" at 18.4618,44.1509 center font "Symbol,9" tc rgb "red" =
front
set label "23" at 18.3511,47.5472 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "22" at 18.4751,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "22" at 18.3633,44.1509 center font "Symbol,9" tc rgb "red" =
front
set label "22" at 18.2465,47.5472 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "21" at 18.3811,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "21" at 18.2642,44.1509 center font "Symbol,9" tc rgb "red" =
front
set label "21" at 18.1413,47.5472 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "20" at 18.2866,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "20" at 18.1646,44.1509 center font "Symbol,9" tc rgb "red" =
front
set label "19" at 18.1916,40.7547 center font "Symbol,9" tc rgb "red" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "red" front
set label "18" at 18.096,40.7547 center font "Symbol,9" tc rgb "red" =
front

set label "" at 0,0 center font "Symbol,9" tc rgb "blue" front
set label "19" at 18.0218,41.3208 center font "Symbol,9" tc rgb "blue" =
front
set label "18" at 18.248,41.3208 center font "Symbol,9" tc rgb "blue" =
front
set label "17" at 18.451,41.3208 center font "Symbol,9" tc rgb "blue" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "blue" front
set label "16" at 18.6375,41.3208 center font "Symbol,9" tc rgb "blue" =
front
set label "16" at 18.0618,44.3774 center font "Symbol,9" tc rgb "blue" =
front
set label "15" at 18.8113,41.3208 center font "Symbol,9" tc rgb "blue" =
front
set label "15" at 18.225,44.717 center font "Symbol,9" tc rgb "blue" =
front
set label "14" at 18.8177,42.4528 center font "Symbol,9" tc rgb "blue" =
front
set label "14" at 18.2164,45.8491 center font "Symbol,9" tc rgb "blue" =
front
set label "13" at 18.8243,43.5849 center font "Symbol,9" tc rgb "blue" =
front
set label "13" at 18.2074,46.9811 center font "Symbol,9" tc rgb "blue" =
front
set label "12" at 18.8309,44.717 center font "Symbol,9" tc rgb "blue" =
front
set label "12" at 18.198,48.1132 center font "Symbol,9" tc rgb "blue" =
front
set label "11" at 18.8377,45.8491 center font "Symbol,9" tc rgb "blue" =
front
set label "11" at 18.2033,49.1887 center font "Symbol,9" tc rgb "blue" =
front
set label "10" at 18.6537,48.1132 center font "Symbol,9" tc rgb "blue" =
front
set label "9" at 18.6552,49.2453 center font "Symbol,9" tc rgb "blue" =
front
set label "8" at 18.7603,49.8113 center font "Symbol,9" tc rgb "blue" =
front

set label "" at 0,0 center font "Symbol,9" tc rgb "green" front
set label "49" at 18.0974,48.6792 center font "Symbol,9" tc rgb "green" =
front
set label "48" at 18.1227,46.9811 center font "Symbol,9" tc rgb "green" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "green" front
set label "47" at 18.1425,45.283 center font "Symbol,9" tc rgb "green" =
front
set label "47" at 18.3238,48.6792 center font "Symbol,9" tc rgb "green" =
front
set label "46" at 18.1573,43.5849 center font "Symbol,9" tc rgb "green" =
front
set label "46" at 18.3454,46.9811 center font "Symbol,9" tc rgb "green" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "green" front
set label "45" at 18.1677,41.8868 center font "Symbol,9" tc rgb "green" =
front
set label "45" at 18.362,45.283 center font "Symbol,9" tc rgb "green" =
front
set label "45" at 18.5532,48.6792 center font "Symbol,9" tc rgb "green" =
front
set label "44" at 18.2746,41.8868 center font "Symbol,9" tc rgb "green" =
front
set label "44" at 18.4727,45.283 center font "Symbol,9" tc rgb "green" =
front
set label "44" at 18.6692,48.6792 center font "Symbol,9" tc rgb "green" =
front
set label "43" at 18.382,41.8868 center font "Symbol,9" tc rgb "green" =
front
set label "43" at 18.5841,45.283 center font "Symbol,9" tc rgb "green" =
front
set label "43" at 18.786,48.6792 center font "Symbol,9" tc rgb "green" =
front
set label "42" at 18.49,41.8868 center font "Symbol,9" tc rgb "green" =
front
set label "42" at 18.6963,45.283 center font "Symbol,9" tc rgb "green" =
front
set label "42" at 18.9037,48.6792 center font "Symbol,9" tc rgb "green" =
front
set label "41" at 18.5985,41.8868 center font "Symbol,9" tc rgb "green" =
front
set label "41" at 18.8093,45.283 center font "Symbol,9" tc rgb "green" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "green" front
set label "40" at 18.7078,41.8868 center font "Symbol,9" tc rgb "green" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "green" front
set label "39" at 18.8177,41.8868 center font "Symbol,9" tc rgb "green" =
front
set label "" at 0,0 center font "Symbol,9" tc rgb "green" front

set parametric
set view 0, 359, 1, 1
set samples 100, 100
set isosamples 160, 160
unset surface
set contour base
unset clabel
set mapping cartesian
unset hidden3d
set cntrparam levels auto 100
set cntrparam points 5
set trange [ 0.000000 : 90.0000 ] noreverse nowriteback
set urange [ 0.000000 : 90.0000 ] noreverse nowriteback
set vrange [ 0.000000 : 90.0000 ] noreverse nowriteback
set xlabel "x lha"=20
set xrange [ 18.0000 : 19.0000 ] noreverse nowriteback
set ylabel "y lat"=20
set yrange [ 40.0000 : 50.0000 ] noreverse nowriteback
set zlabel "z alt"=20
set zrange [ 5.00000 : 60.0000 ] noreverse nowriteback

f(u,v,dec,ra)=3Dacos(   (sin(u)-sin(v)*sin(dec))  /  (cos(v)*cos(dec))   =
)/15+ra/15

GNUTERM =3D "win"
se vi map
splot f24(u,v,29.14086,2.21),v,u  t 'Alpheratz' , =
f(u,v,-26.45,247.5),v,u t "Antares", f(u,v,49.2666,206.98),v,u t =
"Alkaid" w l lc rgb "green"