diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5e1bc3899cd9..0a3bce9e8440 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_policy (SET CMP0054 NEW)
 
 project (
   MAPL
-  VERSION 1.1.1
+  VERSION 1.1.8
   LANGUAGES Fortran CXX C)  # Note - CXX is required for ESMF
 
 if (NOT COMMAND esma) # build as standalone project
diff --git a/MAPL_Base/MAPL_sun_uc.F90 b/MAPL_Base/MAPL_sun_uc.F90
index 49ed6241b977..4b30c3352683 100644
--- a/MAPL_Base/MAPL_sun_uc.F90
+++ b/MAPL_Base/MAPL_sun_uc.F90
@@ -459,7 +459,7 @@ end subroutine MAPL_SunOrbitQuery
 #define DIMENSIONS (:)
 #define THE_SIZE   (size(LONS,1))
       recursive subroutine SOLAR_1D(LONS, LATS, ORBIT,ZTH,SLR,INTV,CLOCK, &
-                                    TIME,currTime,DIST,ZTHB,ZTHD,ZTH1,ZTHN,RC)
+                                    TIME,currTime,DIST,ZTHB,ZTHD,ZTH1,ZTHN,STEPSIZE,RC)
 #include "sun.H"
       end subroutine SOLAR_1D
 
@@ -470,7 +470,7 @@ end subroutine SOLAR_1D
 #define DIMENSIONS (:,:)
 #define THE_SIZE   (size(LONS,1),size(LONS,2))
       recursive subroutine SOLAR_2D(LONS, LATS, ORBIT,ZTH,SLR,INTV,CLOCK, &
-                                    TIME,currTime,DIST,ZTHB,ZTHD,ZTH1,ZTHN,RC)
+                                    TIME,currTime,DIST,ZTHB,ZTHD,ZTH1,ZTHN,STEPSIZE,RC)
 #include "sun.H"
       end subroutine SOLAR_2D
 #undef  DIMENSIONS
diff --git a/MAPL_Base/sun.H b/MAPL_Base/sun.H
index cf6ffa37f415..d49ee0e1ff97 100644
--- a/MAPL_Base/sun.H
+++ b/MAPL_Base/sun.H
@@ -15,6 +15,7 @@
       real,                    optional, intent(OUT) :: ZTHD DIMENSIONS
       real,                    optional, intent(OUT) :: ZTH1 DIMENSIONS
       real,                    optional, intent(OUT) :: ZTHN DIMENSIONS
+      real,                    optional, intent(IN)  :: STEPSIZE
       integer,                 optional, intent(OUT) :: RC
 
 !     Locals
@@ -177,8 +178,10 @@
 
          call ESMF_TimeIntervalGet (INTV, S_R8=SECS, rc=STATUS)
          VERIFY_(STATUS)
-
-         if(SECS>1500.) then
+         
+         if(present(STEPSIZE)) then ! interval for integration
+            NT = nint(SECS/STEPSIZE)
+         else if(SECS>1500.) then
             NT = nint(SECS/300.0)
          else
             NT = 5