Index: trunk/Ohana/src/opihi/dvo/skycoverage.c
===================================================================
--- trunk/Ohana/src/opihi/dvo/skycoverage.c	(revision 14590)
+++ trunk/Ohana/src/opihi/dvo/skycoverage.c	(revision 19823)
@@ -128,6 +128,5 @@
       for (Xi = x[0] + 0.5*dPix; Xi < x[1]; Xi += dPix) {
 	XY_to_RD (&r, &d, Xi, Yi, &image[i].coords);
-	while (r <   0.0) { r += 360.0; }
-	while (r > 360.0) { r -= 360.0; }
+	r = ohana_normalize_angle (r);
 	status = RD_to_XY (&Xs, &Ys, r, d, &coords);
 	if (status) {