private string FormatPos2(PositionId align, PositionId gotoId) { var alignPos = _state.GetPosition(align); var gotoPos = _state.GetPosition(gotoId); if (alignPos == null || gotoPos == null) { return(""); } var offset = alignPos - gotoPos; return(string.Format("RA (deg) = {0}, Dec = {1}", Utils.FormatDegrees(offset.RA * 15), Utils.FormatDegrees(offset.Declination))); }