update with cycle 6

tessreduce/sector_mjd.csv

@@ -67,4 +67,18 @@ Sector,Dates,mjd_start,mjd_end
 66,06/02/23-07/01/23,60097,60126
 67,07/01/23-07/29/23,60126,60154
 68,07/29/23-08/25/23,60154,60181
-69,08/25/23-09/20/23,60181,60207
+69,08/25/23-09/20/23,60181,60207
+70,20/09/23-16/10/23,60207,60233
+71,16/10/23-11/11/23,60233,60259
+72,11/11/23-07/12/23,60259,60285
+73,07/12/23-03/01/24,60285,60312
+74,03/01/24-30/01/24,60312,60339
+75,30/01/24-26/02/24,60339,60366
+76,26/02/24-26/03/24,60366,60395
+77,26/03/24-23/04/24,60395,60423
+78,23/04/24-21/05/24,60423,60451
+79,21/05/24-18/06/24,60451,60479
+80,18/06/24-15/07/24,60479,60506
+81,15/07/24-10/08/24,60506,60532
+82,10/08/24-05/09/24,60532,60558
+83,05/09/24-01/10/24,60558,60584