diff --git a/change.log b/change.log
index d77cdce..009a9f6 100644
--- a/change.log
+++ b/change.log
@@ -1,4 +1,16 @@
-	[BUG] AngleFormat parsing negative angles was incorrect. Fixed.
+	
+	[BUG] {AngleFormat} parsing negative angles was incorrect. Fixed.
+
+	[FIX] {CoordinateEpoch} Fix case mitmatch in comparison.
+
+	[FIX] {CoordinateEpoch} Parsing of FITS headers even if RADESYS is
+	not present.
+
+	[FIX] {AbstractMap2D1} Write WCSAXES=3 in FITS headers.
+
+	[TWEAK] {PrecessingCoordinates} Default to J2000 when parsing 
+	coordinates with no epoch given in String or defined in parsing
+	object.
 
 
 0.30-1
diff --git a/src/jnum/Util.java b/src/jnum/Util.java
index 2dc9e3e..7819bb2 100644
--- a/src/jnum/Util.java
+++ b/src/jnum/Util.java
@@ -54,7 +54,7 @@ public final class Util {
 
     public final static String version = "0.30-2";
     
-    public final static String revision = "devel.3";
+    public final static String revision = "devel.4";
     
     public final static String copyright = "(c)2019 Attila Kovacs"; 
     
diff --git a/src/jnum/astro/CoordinateEpoch.java b/src/jnum/astro/CoordinateEpoch.java
index 249c7a2..c0ccf46 100644
--- a/src/jnum/astro/CoordinateEpoch.java
+++ b/src/jnum/astro/CoordinateEpoch.java
@@ -109,7 +109,10 @@ public void editHeader(Header header, String alt) throws HeaderCardException {
 
     public static CoordinateEpoch fromHeader(Header header, String alt) {    
         double year = header.getDoubleValue("EQUINOX" + alt, Double.NaN);    
-        String system = header.getStringValue("RADESYS").toLowerCase();
+        String system = header.getStringValue("RADESYS");
+        
+        if(system == null) system = "";
+        else system.toUpperCase();
         
         if(system.startsWith("FK4")) return new BesselianEpoch(Double.isNaN(year) ? 1950.0 : year);
         else if(year < 1984.0) return new BesselianEpoch(year);
diff --git a/src/jnum/text/AngleFormat.java b/src/jnum/text/AngleFormat.java
index 26250e0..29150a4 100644
--- a/src/jnum/text/AngleFormat.java
+++ b/src/jnum/text/AngleFormat.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017 Attila Kovacs <attila[AT]sigmyne.com>.
+ * Copyright (c) 2019 Attila Kovacs <attila[AT]sigmyne.com>.
  * All rights reserved. 
  * 
  * This file is part of jnum.