Maxima for DD Cyg
Mean period: 148.05, GCVS period: 147.6

E O (JD) O (dat) Period
-195 2415676 1901-10-18 148.13
-193 2415970 1902-08-08 147.75
-191 2416270 1903-06-04 148.29
-190 2416409 1903-10-21 148.28
-188 2416720 1904-08-27 148.28
-186 2417005 1905-06-08 148.45
-185 2417150 1905-10-31 148.68
-183 2417460 1906-09-06 148.73
-181 2417750 1907-06-23 148.8
-178 2418195 1908-09-10 148.94
-177 2418350 1909-02-12 149.25
-176 2418500 1909-07-12 149.26
-175 2418645 1909-12-04 148.78
-173 2418940 1910-09-25 148.62
-171 2419250 1911-08-01 148.72
-168 2419690 1912-10-14 148.47
-166 2419990 1913-08-10 148.6
-163 2420425 1914-10-19 148.63
-162 2420570 1915-03-13 148.45
-158 2421180 1916-11-12 148.33
-156 2421465 1917-08-24 148.52
-152 2422070 1919-04-21 148.43
-148 2422660 1920-12-01 148.47
-147 2422800 1921-04-20 148.34
-146 2422954 1921-09-21 147.82
-144 2423255 1922-07-19 147.97
-142 2423540 1923-04-30 147.76
-141 2423690 1923-09-27 147.7
-139 2423990 1924-07-23 147.82
-136 2424425 1925-10-01 147.67
-134 2424730 1926-08-02 147.47
-133 2424878 1926-12-28 147.46
-132 2425016 1927-05-15 147.37
-131 2425171 1927-10-17 147.44
-129 2425465 1928-08-06 147.43
-128 2425604 1928-12-23 146.76
-127 2425750 1929-05-18 147.11
-126 2425907 1929-10-22 147.58
-125 2426059 1930-03-23 147.51
-124 2426197 1930-08-08 147.62
-122 2426485 1931-05-23 147.72
-121 2426644 1931-10-29 147.45
-119 2426941 1932-08-21 147.44
-117 2427233 1933-06-09 147.61
-116 2427378 1933-11-01 147.78
-115 2427526 1934-03-29 147.89
-114 2427670 1934-08-20 147.69
-112 2427975 1935-06-21 147.92
-111 2428120 1935-11-13 148.27
-109 2428410 1936-08-29 148.49
-107 2428712 1937-06-27 148.79
-106 2428860 1937-11-22 149.28
-105 2429010 1938-04-21 148.95
-104 2429160 1938-09-18 149.27
-102 2429457 1939-07-12 149.53
-100 2429760 1940-05-10 149.37
-99 2429917 1940-10-14 149.04
-97 2430196 1941-07-20 148.79
-95 2430505 1942-05-25 148.9
-94 2430656 1942-10-23 148.92
-92 2430951 1943-08-14 148.53
-90 2431240 1944-05-29 148.59
-89 2431390 1944-10-26 148.74
-87 2431700 1945-09-01 148.77
-85 2431995 1946-06-23 148.79
-83 2432280 1947-04-04 148.68
-82 2432438 1947-09-09 148.75
-80 2432729 1948-06-26 148.34
-75 2433485 1950-07-22 148
-73 2433775 1951-05-08 147.98
-72 2433915 1951-09-25 148.08
-70 2434220 1952-07-26 148
-63 2435248 1955-05-20 148.24
-62 2435392 1955-10-11 148.24
-58 2435987 1957-05-28 148.28
-57 2436142 1957-10-30 148.31
-55 2436440 1958-08-24 148.31
-50 2437191 1960-09-13 148.36
-47 2437630 1961-11-26 148.12
-46 2437765 1962-04-10 147.57
-45 2437916 1962-09-08 147.45
-43 2438219 1963-07-08 147.66
-42 2438356 1963-11-22 147.26
-41 2438500 1964-04-14 147.78
-40 2438642 1964-09-03 148.07
-38 2438958 1965-07-16 148.17
-37 2439115 1965-12-20 148.1
-36 2439240 1966-04-24 148.03
-35 2439395 1966-09-26 147.89
-28 2440430 1969-07-27 147.7
-25 2440880 1970-10-20 147.34
-23 2441170 1971-08-06 147.31
-22 2441310 1971-12-24 147.57
-21 2441460 1972-05-22 147.36
-20 2441608 1972-10-17 147.02
-18 2441903 1973-08-08 147.1
-16 2442195 1974-05-27 147.48
-15 2442343 1974-10-22 147.54
-13 2442643 1975-08-18 147.63
-11 2442930 1976-05-31 147.61
-10 2443085 1976-11-02 148.04
-8 2443380 1977-08-24 148.31
-6 2443670 1978-06-10 148.61
-5 2443825 1978-11-12 148.81
-3 2444115 1979-08-29 149.07
-1 2444425 1980-07-04 148.87
0 2444570 1980-11-26 148.51
1 2444725 1981-04-30 148.41
2 2444870 1981-09-22 147.79
4 2445165 1982-07-14 147.47
5 2445310 1982-12-06 146.46
6 2445445 1983-04-20 146.48
7 2445603 1983-09-25 146.7
8 2445745 1984-02-14 146.79
9 2445896 1984-07-14 146.99
10 2446035 1984-11-30 147.41
11 2446190 1985-05-04 147.65
12 2446345 1985-10-06 147.65
13 2446480 1986-02-18 148.18
14 2446630 1986-07-18 148.44
15 2446780 1986-12-15 148.53
16 2446925 1987-05-09 148.34
17 2447081 1987-10-12 148.75
18 2447230 1988-03-09 149.87
19 2447379 1988-08-05 149.58
20 2447521 1988-12-25 149.38
21 2447673 1989-05-26 149.55
22 2447828 1989-10-28 148.97
23 2447985 1990-04-03 149.05
24 2448120 1990-08-16 148.98
25 2448270 1991-01-13 148.22
26 2448426 1991-06-18 147.97
27 2448565 1991-11-04 148.45
28 2448720 1992-04-07 148.89
29 2448866 1992-08-31 149.11
30 2448999 1993-01-11 148.78
31 2449164 1993-06-25 148.64
32 2449326 1993-12-04 148.58
33 2449470 1994-04-27 148.91
34 2449605 1994-09-09 148.79
35 2449755 1995-02-06 148.75
36 2449906 1995-07-07 147.28
37 2450048 1995-11-26 147.21
38 2450214 1996-05-10 147.41
39 2450348 1996-09-21 147.39
40 2450500 1997-02-20 146.66
41 2450636 1997-07-06 146.24
42 2450796 1997-12-13 145.98
43 2450934 1998-04-30 145.86
44 2451078 1998-09-21 146.94
45 2451222 1999-02-12 147.17
46 2451372 1999-07-12 147.56
47 2451518 1999-12-05 147.12
48 2451673 2000-05-08 147.46
49 2451825 2000-10-07 147.64
50 2451968 2001-02-27 147.43
51 2452113 2001-07-22 147.25
52 2452254 2001-12-10 147.1
53 2452403 2002-05-08 146.96
54 2452555 2002-10-07 147.03
55 2452698 2003-02-27 147.5
56 2452850 2003-07-29 147.73
57 2452996 2003-12-22 148.15
58 2453146 2004-05-20 147.98
59 2453290 2004-10-11 148.17
60 2453440 2005-03-10 148.25
61 2453586 2005-08-03 148.21
62 2453740 2006-01-04 147.94
63 2453883 2006-05-27 147.95
64 2454038 2006-10-29 148.1
65 2454180 2007-03-20 147.9
66 2454331 2007-08-18 147.48
67 2454470 2008-01-04 147.8
68 2454625 2008-06-07 148.57
69 2454774 2008-11-03 148.66
70 2454919 2009-03-28 148.56
71 2455060 2009-08-16 148.23
72 2455225 2010-01-28 149.05
73 2455378 2010-06-30 148.7
74 2455519 2010-11-18 148.86
75 2455656 2011-04-04 148.55
76 2455804 2011-08-30 148.63
77 2455973 2012-02-15 148.18
78 2456109 2012-06-30 147.86
79 2456262 2012-11-30 147.61
80 2456400 2013-04-17 147.48
81 2456560 2013-09-24 147.21
83 2456855 2014-07-16 146.68
84 2456990 2014-11-28 146.47
85 2457131 2015-04-18 146.04
86 2457285 2015-09-19 145.99
87 2457440 2016-02-21 145.68
88 2457583 2016-07-13 146.28
89 2457715 2016-11-22 146.46
90 2457866 2017-04-22 146.55
91 2458014 2017-09-17 146.56
92 2458165 2018-02-15 146.69
93 2458316 2018-07-16 147.77
94 2458450 2018-11-27 148.58
95 2458605 2019-05-01 149.04
96 2458757 2019-09-30 148.94
97 2458900 2020-02-20 148.98
98 2459058 2020-07-27 149.44
99 2459204 2020-12-20 149.98
100 2459362 2021-05-27 149.65
101 2459498 2021-10-10 149.57
102 2459650 2022-03-11 149.75
103 2459805 2022-08-13 148.83


E Cycle number from the GCVS4 epoch.
O (JD) Julian date at observed time for maximum.
O (Dat) Same as above, expressed as date.
Period Calculated mean period at cycle number E.