create logger for observer
diff --git a/xos/util/logger.py b/xos/util/logger.py
index 4bba8b9..a88771e 100644
--- a/xos/util/logger.py
+++ b/xos/util/logger.py
@@ -156,6 +156,7 @@
 error_logger = Logger(loggername='error', level=logging.ERROR)
 critical_logger = Logger(loggername='critical', level=logging.CRITICAL)
 logger = info_logger
+observer_logger = Logger(loggername='observer', level=logging.ERROR)
 ########################################
 import time