diff --git a/GameData/StationPartsExpansionRedux/Parts/Rigid/station-25/sspx-observation-25-1.mu b/GameData/StationPartsExpansionRedux/Parts/Rigid/station-25/sspx-observation-25-1.mu
index f69a73c..2174052 100644
Binary files a/GameData/StationPartsExpansionRedux/Parts/Rigid/station-25/sspx-observation-25-1.mu and b/GameData/StationPartsExpansionRedux/Parts/Rigid/station-25/sspx-observation-25-1.mu differ
diff --git a/GameData/StationPartsExpansionRedux/Parts/Rigid/station-5/sspx-cupola-telescope-125-1.cfg b/GameData/StationPartsExpansionRedux/Parts/Rigid/station-5/sspx-cupola-telescope-125-1.cfg
index 3781da0..d9eae45 100644
--- a/GameData/StationPartsExpansionRedux/Parts/Rigid/station-5/sspx-cupola-telescope-125-1.cfg
+++ b/GameData/StationPartsExpansionRedux/Parts/Rigid/station-5/sspx-cupola-telescope-125-1.cfg
@@ -85,7 +85,7 @@ PART
     collectActionName = #LOC_SSPX_Science_TelescopeObservation_Action_Collect
 
     rerunnable = True
-    usageReqMaskInternal = 5
+    usageReqMaskInternal = 17 
     usageReqMaskExternal = -1
     xmitDataScalar = 1.0
   }
diff --git a/GameData/StationPartsExpansionRedux/Parts/Rigid/station-5/sspx-lab-5-1.cfg b/GameData/StationPartsExpansionRedux/Parts/Rigid/station-5/sspx-lab-5-1.cfg
index 508077c..fde8e24 100644
--- a/GameData/StationPartsExpansionRedux/Parts/Rigid/station-5/sspx-lab-5-1.cfg
+++ b/GameData/StationPartsExpansionRedux/Parts/Rigid/station-5/sspx-lab-5-1.cfg
@@ -101,7 +101,7 @@ PART
     interactionRange = 1.85
 
     rerunnable = True
-    usageReqMaskInternal = 5
+    usageReqMaskInternal = 17 
     usageReqMaskExternal = -1
     xmitDataScalar = 1.0
   }
diff --git a/GameData/StationPartsExpansionRedux/Versioning/StationPartsExpansionRedux.version b/GameData/StationPartsExpansionRedux/Versioning/StationPartsExpansionRedux.version
index cc7147f..39de45b 100644
--- a/GameData/StationPartsExpansionRedux/Versioning/StationPartsExpansionRedux.version
+++ b/GameData/StationPartsExpansionRedux/Versioning/StationPartsExpansionRedux.version
@@ -6,7 +6,7 @@
     {
         "MAJOR":2,
         "MINOR":0,
-        "PATCH":4,
+        "PATCH":5,
         "BUILD":0
     },
     "KSP_VERSION":
diff --git a/changelog.txt b/changelog.txt
index 9e6bb44..40150c5 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,8 @@
+v2.0.5
+------
+- Fixed usage mask of observatory experiment so it requires a kerbal in the vessel, not in the part
+- More improvements to bad triangulation/smoothing on the observation module
+
 v2.0.4
 ------
 - Fixed extra top node on greenhouse/telescope cupolas
diff --git a/readme.txt b/readme.txt
index 6a19768..e163efa 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,5 +1,5 @@
 ====================================
-STATION PARTS EXPANSION REDUX v2.0.4
+STATION PARTS EXPANSION REDUX v2.0.5
 ====================================
 
 This pack provides a set of new space and ground station parts. New parts exist in all size classes from 1.25m to 5.0m. Rigid station parts are provided as well as expandable centrifuges and habitats. Ground bases are served with auto-leveling bases and extendable docking crew tubes.