diff --git a/galcheat/data/CFHTLS.yaml b/galcheat/data/CFHTLS.yaml
index 06bec7c..3f35c19 100644
--- a/galcheat/data/CFHTLS.yaml
+++ b/galcheat/data/CFHTLS.yaml
@@ -3,7 +3,7 @@ description: "Canada France Hawaii Lensing wide-field Survey (CFHTLS) done with
 pixel_scale: 0.187
 gain: 1.67
 mirror_diameter: 3.58
-obscuration: 0.20309772
+obscuration: 0.20
 zeropoint_airmass: 1.0
 filters:
   u:
diff --git a/galcheat/data/DES.yaml b/galcheat/data/DES.yaml
index 9110001..49ab9d2 100644
--- a/galcheat/data/DES.yaml
+++ b/galcheat/data/DES.yaml
@@ -3,7 +3,7 @@ description: "Dark Energy wide-field Survey (DES) done with the Victor M. Blanco
 pixel_scale: 0.2637
 gain: 4.0
 mirror_diameter: 3.934
-obscuration: 0.17612680
+obscuration: 0.18
 zeropoint_airmass: 1.3
 filters:
   g:
diff --git a/galcheat/data/HSC.yaml b/galcheat/data/HSC.yaml
index 525ca4e..a52a3f3 100644
--- a/galcheat/data/HSC.yaml
+++ b/galcheat/data/HSC.yaml
@@ -3,7 +3,7 @@ description: "Hyper Suprime-Cam (HSC) wide-field survey done with the Subaru tel
 pixel_scale: 0.168
 gain: 3.0
 mirror_diameter: 8.3
-obscuration: 0.02090289
+obscuration: 0.02
 zeropoint_airmass: 1.2
 filters:
   g:
diff --git a/galcheat/data/LSST.yaml b/galcheat/data/LSST.yaml
index e34a277..8d29530 100644
--- a/galcheat/data/LSST.yaml
+++ b/galcheat/data/LSST.yaml
@@ -3,7 +3,7 @@ description: "Legacy Survey of Space and Time (LSST) done with the Simonyi surve
 pixel_scale: 0.2
 gain: 1.0
 mirror_diameter: 8.36
-obscuration: 0.39257227
+obscuration: 0.39
 zeropoint_airmass: 1.2
 filters:
   u: