diff --git a/datalab/datalab_session/data_operations/data_operation.py b/datalab/datalab_session/data_operations/data_operation.py
index 9e8b805..6b7408f 100644
--- a/datalab/datalab_session/data_operations/data_operation.py
+++ b/datalab/datalab_session/data_operations/data_operation.py
@@ -90,7 +90,7 @@ def get_percent_completion(self) -> float:
 
     def set_output(self, output_data: dict):
         self.set_status('COMPLETED')
-        self.set_percent_completion(100.0)
+        self.set_percent_completion(1.0)
         cache.set(f'operation_{self.cache_key}_output', output_data, CACHE_DURATION)
 
     def get_output(self) -> dict:
@@ -145,7 +145,7 @@ def get_fits_npdata(self, input_files: list[dict], percent=None, cur_percent=Non
 
             try:
                 fits_url = archive_record[0].get('url', 'No URL found')
-            except Exception as e:
+            except IndexError as e:
                 raise FileNotFoundError(f"No image found with specified basename: {basename} Error: {e}")
 
             with fits.open(fits_url) as hdu_list:
diff --git a/datalab/datalab_session/data_operations/median.py b/datalab/datalab_session/data_operations/median.py
index f785663..76693db 100644
--- a/datalab/datalab_session/data_operations/median.py
+++ b/datalab/datalab_session/data_operations/median.py
@@ -60,6 +60,6 @@ def operate(self):
         else:
             output = {'output_files': []}
 
-        log.info(f'Median operation output: {output}')
         self.set_percent_completion(1.0)
         self.set_output(output)
+        log.info(f'Median output: {self.get_output()}')