diff --git a/eclipse_magic.lua b/eclipse.lua
similarity index 96%
rename from eclipse_magic.lua
rename to eclipse.lua
index a2d2d4b..9c1e95c 100644
--- a/eclipse_magic.lua
+++ b/eclipse.lua
@@ -90,19 +90,24 @@ LoggingFile = nil
 -- times are the same.  Make sure the times are correct for your location, and that your camera
 -- is accurately set to GPS time.
 --
+-- Note that the two branches below are not interchangeable.  When TestBeepNoShutter
+-- is 1, get_cur_secs() subtracts the script start time, so the contact times are read
+-- as an offset from when the script is run.  Otherwise they are read as wall-clock
+-- times from the camera's clock.
+--
 if ( TestBeepNoShutter == 1 )
 then
-	-- Esterbrook: 10:23:32 11:44:37 11:46:53 13:11:42
-	c1.hr = 10; c1.min = 23; c1.sec = 32
-	c2.hr = 11; c2.min = 44; c2.sec = 37;
-	c3.hr = 11; c3.min = 46; c3.sec = 53;
-	c4.hr = 13; c4.min = 11; c4.sec = 42;
-else
 	-- Testing:
 	c1.hr = 0; c1.min =  1; c1.sec = 00;
 	c2.hr = 0; c2.min =  4; c2.sec = 00;
 	c3.hr = 0; c3.min =  6; c3.sec = 20;
 	c4.hr = 0; c4.min =  9; c4.sec = 00;
+else
+	-- Esterbrook: 10:23:32 11:44:37 11:46:53 13:11:42
+	c1.hr = 10; c1.min = 23; c1.sec = 32
+	c2.hr = 11; c2.min = 44; c2.sec = 37;
+	c3.hr = 11; c3.min = 46; c3.sec = 53;
+	c4.hr = 13; c4.min = 11; c4.sec = 42;
 end