diff --git a/ChangeLog b/ChangeLog
index 9c11fd696caecadfc9fc265df7ec201c54ed25f5..5c54605a2a5e530605060b42c037307509c28890 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2023-12-18 Manfred Brath <manfred.brath@uni-hamburg.de>
+
+	* ARTS-CAT-DATA-8
+
+	* xsec/: Add ozone cross section data for UV/Vis.
+
+	* Based on https://www.iup.uni-bremen.de/gruppen/molspec/databases/referencespectra/o3spectra2011/index.html,
+	  Last changed: 2012-07-25
+	  Corresponding papers:
+	  https://amt.copernicus.org/articles/7/625/2014/amt-7-625-2014.html
+	  https://amt.copernicus.org/articles/7/609/2014/amt-7-609-2014.html
+
 2022-11-15 Richard Larsson <richard.larsson@uni-hamburg.de>
 
 	* ARTS-CAT-DATA-7
diff --git a/xsec/00ChangeLog b/xsec/00ChangeLog
index 2fd0b6100be8a597808f24f396e62fdff53f3d49..9269f684efacc1e2833e55f5af78a590b0d9c1a1 100644
--- a/xsec/00ChangeLog
+++ b/xsec/00ChangeLog
@@ -8,3 +8,14 @@
 	* Based on https://hitran.org/data/xsec/xss.tar.gz
 	  Last changed: 2020-06-20 04:16
 
+2023-12-18 Manfred Brath <manfred.brath@uni-hamburg.de>
+
+	* ARTS-CAT-DATA-XSEC-2
+
+	* Based on https://www.iup.uni-bremen.de/gruppen/molspec/databases/referencespectra/o3spectra2011/index.html,
+	  Last changed: 2012-07-25
+	  Corresponding papers:
+	  https://amt.copernicus.org/articles/7/625/2014/amt-7-625-2014.html
+	  https://amt.copernicus.org/articles/7/609/2014/amt-7-609-2014.html
+
+ 
\ No newline at end of file
diff --git a/xsec/O3.xml b/xsec/O3.xml
new file mode 100644
index 0000000000000000000000000000000000000000..381f7494857ae10e9b5e21169f47519bebe068d9
--- /dev/null
+++ b/xsec/O3.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0"?>
+<arts format="binary" version="1">
+<XsecRecord version="2">
+<String name="species">"O3"</String>
+<Vector name="Mininum pressures from fit" nelem="1">
+</Vector>
+<Vector name="Maximum pressures from fit" nelem="1">
+</Vector>
+<Vector name="Mininum temperatures from fit" nelem="1">
+</Vector>
+<Vector name="Maximum temperatures from fit" nelem="1">
+</Vector>
+<Array name="Fit coefficients" type="GriddedField2" nelem="1">
+<GriddedField2>
+<Vector name="frequency grid [Hz]" nelem="457191">
+</Vector>
+<Array name="fit coefficients [m]" type="String" nelem="4">
+<String>"p00"</String>
+<String>"p10"</String>
+<String>"p01"</String>
+<String>"p20"</String>
+</Array>
+<Matrix name="Data" nrows="457191" ncols="4">
+</Matrix>
+</GriddedField2>
+</Array>
+</XsecRecord>
+</arts>
diff --git a/xsec/O3.xml.bin b/xsec/O3.xml.bin
new file mode 100644
index 0000000000000000000000000000000000000000..88e394f7e9347f15e6848db63472d0d4a9419c56
Binary files /dev/null and b/xsec/O3.xml.bin differ