diff --git a/ChangeLog b/ChangeLog
index bdc472694ffa57ed8b357209c3a1f6a9d124037e..1f262c7ef05fd2adc254e6429ca883e1c31278bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2014-04-07 Jana Mendrok <jana.mendrok@ltu.se>
+
+	* ARTS-XML-DATA-2-1-71
+
+	* planets/[Venus,Mars,Jupiter]/isotopratio_[Venus,Mars,Jupiter].xml:
+	Added CO2-727.
+
+	* spectroscopy/Perrin/SO.xml.gz: Corrected some entries breaking format
+	conventions. Seemed to be just some spurious digits, removed them.
+
 2014-03-17 Jana Mendrok <jana.mendrok@ltu.se>
 
 	* ARTS-XML-DATA-2-1-70
diff --git a/planets/Jupiter/isotopratio_Jupiter.xml b/planets/Jupiter/isotopratio_Jupiter.xml
index 51fa81a34d7948feeffe806fca11f47c1eb8b018..dd5cc30baea390e216e2d386b1159c1bc63fe581 100644
--- a/planets/Jupiter/isotopratio_Jupiter.xml
+++ b/planets/Jupiter/isotopratio_Jupiter.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <arts format="ascii" version="1">
-<SpeciesAuxData version="1" nelem="204" nparam="1">
+<SpeciesAuxData version="1" nelem="205" nparam="1">
 @ H2O-161 0.997572947934
 @ H2O-181 0.00200034318924
 @ H2O-171 0.000372095461312
@@ -34,6 +34,7 @@
 @ CO2-637 8.24623e-06
 @ CO2-828 3.95734e-06
 @ CO2-728 1.4718e-06
+@ CO2-727 1.36847e-07
 @ CO2-838 4.446e-08
 @ CO2-837 1.65354e-08
 @ CO2-CKD241 nan
diff --git a/planets/Mars/isotopratio_Mars.xml b/planets/Mars/isotopratio_Mars.xml
index a7edebe65b885507a041b7dfdb68b3d2acd882db..7101de0135e07cca8162a8d76677a29eef93ca16 100644
--- a/planets/Mars/isotopratio_Mars.xml
+++ b/planets/Mars/isotopratio_Mars.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <arts format="ascii" version="1">
-<SpeciesAuxData version="1" nelem="204" nparam="1">
+<SpeciesAuxData version="1" nelem="205" nparam="1">
 @ H2O-161 0.996010631696
 @ H2O-181 0.00199721041719
 @ H2O-171 0.000371512716178
@@ -34,6 +34,7 @@
 @ CO2-637 8.24623e-06
 @ CO2-828 3.95734e-06
 @ CO2-728 1.4718e-06
+@ CO2-727 1.36847e-07
 @ CO2-838 4.446e-08
 @ CO2-837 1.65354e-08
 @ CO2-CKD241 nan
diff --git a/planets/Venus/isotopratio_Venus.xml b/planets/Venus/isotopratio_Venus.xml
index 54af041ee38f7c30b6ddd383be246f3e3a4f42ff..83a9b51891321da418f187541dfc6ff5df5c9705 100644
--- a/planets/Venus/isotopratio_Venus.xml
+++ b/planets/Venus/isotopratio_Venus.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <arts format="ascii" version="1">
-<SpeciesAuxData version="1" nelem="204" nparam="1">
+<SpeciesAuxData version="1" nelem="205" nparam="1">
 @ H2O-161 0.960768771556
 @ H2O-181 0.001926543089
 @ H2O-171 0.000358367475789
@@ -34,6 +34,7 @@
 @ CO2-637 8.24623e-06
 @ CO2-828 3.95734e-06
 @ CO2-728 1.4718e-06
+@ CO2-727 1.36847e-07
 @ CO2-838 4.446e-08
 @ CO2-837 1.65354e-08
 @ CO2-CKD241 nan
diff --git a/spectroscopy/Perrin/SO.xml.gz b/spectroscopy/Perrin/SO.xml.gz
index 342560d13cffacf2e7a40b095655d1ae71e2d4d5..378dbcc85f2fc00487576692d87de8bf842b8a52 100644
Binary files a/spectroscopy/Perrin/SO.xml.gz and b/spectroscopy/Perrin/SO.xml.gz differ