diff --git a/dist/nightskycam-0.1.14-py3-none-any.whl b/dist/nightskycam-0.1.14-py3-none-any.whl
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diff --git a/dist/nightskycam-0.1.14.tar.gz b/dist/nightskycam-0.1.14.tar.gz
new file mode 100644
index 0000000..c51ddfe
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diff --git a/nightskycam/aperture/runner.py b/nightskycam/aperture/runner.py
index 3e40be7..33be633 100644
--- a/nightskycam/aperture/runner.py
+++ b/nightskycam/aperture/runner.py
@@ -7,10 +7,18 @@
 from enum import Enum
 from typing import Optional, cast
 
-from nightskycam_focus.adapter import (MAX_FOCUS, MIN_FOCUS, Aperture, adapter,
-                                       set_aperture, set_focus)
-from nightskycam_serialization.status import (ApertureRunnerEntries,
-                                              CamRunnerEntries)
+from nightskycam_focus.adapter import (
+    MAX_FOCUS,
+    MIN_FOCUS,
+    Aperture,
+    adapter,
+    set_aperture,
+    set_focus,
+)
+from nightskycam_serialization.status import (
+    ApertureRunnerEntries,
+    CamRunnerEntries,
+)
 from nightskyrunner.config_getter import ConfigGetter
 from nightskyrunner.runner import ThreadRunner, status_error
 from nightskyrunner.status import Level, NoSuchStatusError, Status
@@ -117,13 +125,17 @@ def _open_aperture(self, focus: int, reason: str) -> None:
             or self._focus != focus
             or self._opening in (Opening.CLOSED, Opening.UNSET)
         ):
-            self.log(Level.info, f"opening aperture (focus: {focus}): {reason}")
+            self.log(
+                Level.info, f"opening aperture (focus: {focus}): {reason}"
+            )
             try:
                 with adapter():
                     set_focus(focus)
                     set_aperture(Aperture.MAX)
             except Exception as e:
-                raise RuntimeError(f"failed to set focus and open aperture: {e}")
+                raise RuntimeError(
+                    f"failed to set focus and open aperture: {e}"
+                )
             else:
                 self._opening = Opening.OPENED
                 self._focus = focus
@@ -171,8 +183,8 @@ def iterate(self) -> None:
             )
         status_entries["use_zwo_camera"] = use_zwo_camera
         start = _to_time(str(config["start_time"]))
-        end = _to_time(str(config["end_time"]))
-        status_entries["time_window"] = f"{start} - {end}"
+        stop = _to_time(str(config["stop_time"]))
+        status_entries["time_window"] = f"{start} - {stop}"
         try:
             focus = config["focus"]
         except KeyError:
@@ -200,13 +212,17 @@ def iterate(self) -> None:
             active: Optional[bool] = self._camera_active()
             if active is not None:
                 if active:
-                    return self._return(status_entries, focus, True, "camera active")
+                    return self._return(
+                        status_entries, focus, True, "camera active"
+                    )
                 else:
-                    return self._return(status_entries, focus, False, "camera inactive")
+                    return self._return(
+                        status_entries, focus, False, "camera inactive"
+                    )
 
         # if not using use_zwo_camera, then must be using start/end time
         time_now = datetime.now().time()
-        period_closed = _period_closed(start, end, time_now)
+        period_closed = _period_closed(start, stop, time_now)
         if period_closed:
             return self._return(status_entries, focus, False, "day")
         else:
diff --git a/pyproject.toml b/pyproject.toml
index f56c6b6..62740e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "nightskycam"
-version = "0.1.14"
+version = "0.1.15"
 description = "taking pictures at night"
 authors = ["Vincent Berenz <vberenz@tuebingen.mpg.de>"]
 packages = [{ include = "nightskycam" }]