Log to /var/log/planetstack.log instead of observer.log in current directory.
diff --git a/planetstack/observer/syncstep.py b/planetstack/observer/syncstep.py
index 031a3bc..fb8c77a 100644
--- a/planetstack/observer/syncstep.py
+++ b/planetstack/observer/syncstep.py
@@ -4,7 +4,7 @@
 from planetstack.config import Config
 from util.logger import Logger, logging
 
-logger = Logger(logfile='observer.log', level=logging.INFO)
+logger = Logger(level=logging.INFO)
 
 class FailedDependency(Exception):
     pass