From 38c898335bf48c247b0fbcdadecd796058acf62b Mon Sep 17 00:00:00 2001
From: Robert Butora <robert.butora@inaf.it>
Date: Wed, 11 Jun 2025 16:49:40 +0300
Subject: [PATCH] fixes bug in soda where hdunum was confused with extnum

---
 data-access/servlet/src/main/java/cutout/SodaImpl.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data-access/servlet/src/main/java/cutout/SodaImpl.java b/data-access/servlet/src/main/java/cutout/SodaImpl.java
index 959ef54..5501c87 100644
--- a/data-access/servlet/src/main/java/cutout/SodaImpl.java
+++ b/data-access/servlet/src/main/java/cutout/SodaImpl.java
@@ -78,7 +78,7 @@ class SodaImpl implements Soda
 		cmd[0] = "/usr/local/bin/vlkb";
 		cmd[1] = "cutout";
 		cmd[2] = fitsPaths.surveys() + "/" + relPathname;
-		cmd[3] = String.valueOf(hdunum);
+		cmd[3] = String.valueOf(hdunum - 1); // extnum = hdunum - 1
 		cmd[4] = coordString;
 		LOGGER.finest(String.join(" ", cmd));
 
-- 
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