compatible with C5.2 naming convention

csst_common/data_manager.py

@@ -406,7 +406,7 @@ class CsstMsDataManager:
                 r"(?P<obs_type>[A-Z]+)_"
                 r"(?P<exp_start>[0-9]{14})_"
                 r"(?P<exp_stop>[0-9]{14})_"
-                r"(?P<obs_id>[0-9]{11})_"
+                r"(?P<obs_id>[0-9]{9})_"
                 r"(?P<detector>[0-9]{2})_"
                 r"L(?P<level>[0-9]{1})_"
                 r"(?P<version>[0-9]{1})"