added possibility to read out first of TARGETS field for raw data

scintillation/averaging.py

@@ -57,6 +57,7 @@ _ROOT_SELECTED_FIELDS = (
     "SUBBAND_WIDTH",
     "SUBBAND_WIDTH_UNIT",
     "TARGET",
+    "TARGETS",
     "TELESCOPE",
     "TOTAL_BAND_WIDTH",
     "TOTAL_INTEGRATION_TIME",
@@ -164,6 +165,9 @@ def extract_root_metadata(dataset):
     copy_attrs_to_dict(dataset['/'], metadata, include_fields=_ROOT_SELECTED_FIELDS)
     metadata['OBSERVATION_START_UTC'] = metadata['OBSERVATION_START_UTC'].split(' ')[0]
     metadata['OBSERVATION_END_UTC'] = metadata['OBSERVATION_END_UTC'].split(' ')[0]
+    if not 'TARGET' in list(metadata.keys()):
+        if 'TARGETS' in list(metadata.keys()):
+            metadata['TARGET']=metadata['TARGETS'][0]
     return metadata