Index: trunk/ippconfig/sdssmosaic/format.config
===================================================================
--- trunk/ippconfig/sdssmosaic/format.config	(revision 18308)
+++ trunk/ippconfig/sdssmosaic/format.config	(revision 18978)
@@ -20,4 +20,5 @@
 	CHIP.NAME	STR	CAMCOL	# Distinguishes chip name
 	CONTENT		STR	CAMCOL
+ # Is the following line the origin of the weirdly named output files?
 	CONTENT.RULE	STR	{CHIP.NUM} # How to derive the CONTENT when writing
 END
@@ -98,5 +99,10 @@
 # Default PS concepts that may be specified by value
 DEFAULTS	METADATA
-	FPA.INSTRUMENT	STR	SDSSmosaic
+# FPA.CAMERA contains the name of the camera according to the config system (i.e. SDSSmosaic)
+# FPA.INSTRUMENT contains the name of the camera according to the fits headers (i.e. itself)
+# Normally, this will be in the header keyword INSTRUME but for this one, we override it to 
+# SDSSmosaic to avoid confusion between this and the non-mosaic SDSS configuration.
+	INSTRUME	STR	SDSSmosaic
+	FPA.INSTRUMENT	STR	INSTRUME
 # The gain is only roughly correct...
 	CELL.GAIN	F32	5.0
