diff --git a/notebooks/FastCCD/Characterize_Darks_NewDAQ_FastCCD_NBC_New_Common_Mode.ipynb b/notebooks/FastCCD/Characterize_Darks_NewDAQ_FastCCD_NBC_New_Common_Mode.ipynb
index e27e4a3dc0c3869e8c8efc4cf82d026fba3b8494..e33085f6e02f140bb997866a3e81e66fb2454e05 100644
--- a/notebooks/FastCCD/Characterize_Darks_NewDAQ_FastCCD_NBC_New_Common_Mode.ipynb
+++ b/notebooks/FastCCD/Characterize_Darks_NewDAQ_FastCCD_NBC_New_Common_Mode.ipynb
@@ -22,7 +22,7 @@
     "# Initial Parameters:\n",
     "\n",
     "in_folder = \"/gpfs/exfel/exp/SCS/201930/p900074/raw\" # input folder, required\n",
-    "out_folder = '/gpfs/exfel/data/scratch/setoodeh/DarkRuns' # output folder, required\n",
+    "out_folder = '/gpfs/exfel/exp/SCS/201930/p900074/scratch/' # output folder, required\n",
     "path_template = 'RAW-R{:04d}-{}-S{{:05d}}.h5' # the template to use to access data\n",
     "path_inset = 'DA05'\n",
     "run = 351 # which run to read data from, required\n",
@@ -46,12 +46,18 @@
     "chunkSize = 100 # Number of images to read per chunk\n",
     "cpuCores = 40 # Specifies the number of running cpu cores\n",
     "commonModeAxis = 1 # Axis along which common mode will be calculated (0: along rows, 1: along columns)\n",
-    "ADU_to_electron_upper_hg = 6.1 # According to Table 6.1 of Ivana Klačková's master's thesis, for upper hemisphere and \n",
-    "                               # high gain: conversion gain is 1 ADU = 6.1e-\n",
-    "ADU_to_electron_lower_hg = 6.2 # and for lower hemisphere and high gain: conversion gain is 1 ADU = 6.2e- \n",
+    "\n",
     "run_parallel = True # For parallel computation \n",
     "db_output = True # Output constants to the calibration database\n",
-    "local_output = True # output constants locally"
+    "local_output = True # output constants locally\n",
+    "\n",
+    "# According to our gain calibration using 55Fe source, we have the following conversion gains (e.g., 1 ADU = 6.3 e-):\n",
+    "ADU_to_electron_upper_hg = 6.3 # for upper hemisphere and high gain\n",
+    "ADU_to_electron_lower_hg = 6.4 # for lower hemisphere and high gain\n",
+    "ADU_to_electron_upper_mg = 23.4 # for upper hemisphere and medium gain\n",
+    "ADU_to_electron_lower_mg = 23.4 # for lower hemisphere and medium gain\n",
+    "ADU_to_electron_upper_lg = 49.3 # for upper hemisphere and low gain\n",
+    "ADU_to_electron_lower_lg = 47.3 # for lower hemisphere and low gain"
    ]
   },
   {
@@ -173,7 +179,7 @@
     "if use_dir_creation_date:\n",
     "    creation_time = get_dir_creation_date(in_folder, run)\n",
     "        \n",
-    "print('Calibration database Interface: {}'.format(cal_db_interface))\n",
+    "print('Calibration database interface: {}'.format(cal_db_interface))\n",
     "print(\"Sending constants to the calibration database: {}\".format(db_output))\n",
     "print(\"HDF5 path to data: {}\".format(h5path))\n",
     "print(\"Run number: {}\".format(run))\n",
@@ -991,14 +997,11 @@
     "\n",
     "ADU_to_electron_hg = (ADU_to_electron_upper_hg + ADU_to_electron_lower_hg)/2 # Average of ADU_to_electron for entire CCD\n",
     "                                                                             # for high gain\n",
-    "\n",
-    "ADU_to_electron_upper_mg = ADU_to_electron_upper_hg*4 # high/medium gain ratio = 4\n",
-    "ADU_to_electron_lower_mg = ADU_to_electron_lower_hg*4\n",
+    "    \n",
     "ADU_to_electron_mg = (ADU_to_electron_upper_mg + ADU_to_electron_lower_mg)/2 # Average of ADU_to_electron for entire CCD\n",
     "                                                                             # for medium gain\n",
+    "\n",
     "    \n",
-    "ADU_to_electron_upper_lg = ADU_to_electron_upper_hg*8 # high/medium gain ratio = 8\n",
-    "ADU_to_electron_lower_lg = ADU_to_electron_lower_hg*8\n",
     "ADU_to_electron_lg = (ADU_to_electron_upper_lg + ADU_to_electron_lower_lg)/2 # Average of ADU_to_electron for entire CCD\n",
     "                                                                             # for low gain"
    ]