diff --git a/index.json b/index.json
index 205ff2f0a7495c5eb9e68ade5797179f88f1a58e..0c159fa499b8aeff2b9fe2c2fdbff201466d4246 100644
--- a/index.json
+++ b/index.json
@@ -1,6 +1,6 @@
 {
-	"version": "LTP12_1.0.0",
-	"release_date": "20231113",
+	"version": "LTP12_1.1.0",
+	"release_date": "20240509",
 	"descr": "Calibration package for LTP12",
 	"author": "Metis team",
 	"DOI": "",
@@ -129,7 +129,18 @@
 				"dit": 0.0,
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 				"source": "https://redmine.ict.inaf.it/projects/478/wiki/VL_Dark_and_Bias_Matrices",
-				"descr": "Bias map to be used for LTP09 - derived from STP254",
+				"descr": "Bias map to be used for LTP11 - derived from STP254",
+				"validity": "True"
+			},
+			{
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+				"error": "solo_CAL_metis-vl-bias_20230927a_V00_error.fits",
+				"source": "https://redmine.ict.inaf.it/projects/478/wiki/VL_Dark_and_Bias_Matrices",
+				"descr": "Bias map to be used for LTP13 - derived from STP277",
 				"validity": "True"
 			}
 		],
@@ -536,8 +547,146 @@
 		},
 		"dark": [
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+				"version": 1,
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+				"descr": "Dark maps to be used for LTP12",
+				"validity": "False"
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+				"descr": "Dark maps to be used for LTP12",
+				"validity": "False"
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@@ -563,25 +712,27 @@
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@@ -607,25 +758,27 @@
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@@ -651,25 +804,27 @@
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@@ -695,25 +850,27 @@
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@@ -739,25 +896,27 @@
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@@ -783,25 +942,27 @@
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@@ -827,25 +988,27 @@
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@@ -871,25 +1034,27 @@
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@@ -915,25 +1080,27 @@
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@@ -959,25 +1126,27 @@
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-					"CNT_1": [
+				"filename": {
+					"cnt_1": [
 						"",
 						"",
 						"",
@@ -1003,21 +1172,23 @@
 						"",
 						""
 					],
-					"CNT_2": "Dark_UVDA_STP254_9917ms_NDIT1-1_NDIT2-1.fits"
+					"cnt_2": "Dark_UVDA_STP277_9917ms_NDIT1-1_NDIT2-1.fits"
 				},
-				"ERROR": "Dark_UVDA_STP254_9917ms_NDIT1-1_NDIT2-1_error.fits",
-				"VERSION": 1,
-				"VERS_CAL": 0,
-				"VALIDITY": "False",
-				"EXTRAPOL": "False",
-				"ACTIVITY": "STP254",
-				"SESS_NUM": "361505  ",
-				"FULLSET": 1,
-				"OBT_BEG": 735701310.00000000,
-				"TSENSOR": -25.459600,
-				"DIT": 9917.0000,
-				"NDIT1": 1,
-				"NDIT2": 1
+				"activity": "STP277",
+				"sess_num": "377018",
+				"obt_beg": 749099870.00000000,
+				"dit": 9917.0000,
+				"ndit1": 1,
+				"ndit2": 1,
+				"tsensor": -24.802799,
+				"extrapol": "False",
+				"fullset": 1,
+				"error": "Dark_UVDA_STP277_9917ms_NDIT1-1_NDIT2-1_error.fits",
+				"version": 1,
+				"vers_cal": 0,
+				"source": "",
+				"descr": "Dark maps to be used for LTP12",
+				"validity": "False"
 			}
 		],
 		"flat_field": [