Maxima for DR Cyg
Mean period: 313.35, GCVS period: 313.88

E O (JD) O (dat) Period
-85 2412735 1893-09-28 314.7
-78 2414934 1899-10-06 314.99
-76 2415580 1901-07-14 315.01
-75 2415892 1902-05-22 315.17
-74 2416180 1903-03-06 315.55
-73 2416515 1904-02-04 315.76
-72 2416835 1904-12-20 316.05
-71 2417145 1905-10-26 315.88
-70 2417465 1906-09-11 315.52
-68 2418104 1908-06-11 315.14
-64 2419364 1911-11-23 314.41
-63 2419673 1912-09-27 314.03
-62 2419990 1913-08-10 313.69
-60 2420602 1915-04-14 313.45
-58 2421228 1916-12-30 313.13
-57 2421550 1917-11-17 313.25
-56 2421860 1918-09-23 313.25
-55 2422170 1919-07-30 313.33
-53 2422810 1921-04-30 313.67
-50 2423745 1923-11-21 314.3
-49 2424060 1924-10-01 315
-48 2424362 1925-07-30 316.24
-47 2424680 1926-06-13 317.33
-46 2424995 1927-04-24 318.13
-44 2425648 1929-02-05 319.81
-43 2425972 1929-12-26 320.5
-42 2426300 1930-11-19 319.99
-41 2426616 1931-10-01 317.86
-40 2426925 1932-08-05 315.95
-39 2427250 1933-06-26 313.57
-38 2427570 1934-05-12 312.03
-35 2428508 1936-12-05 311.34
-34 2428796 1937-09-19 310.6
-33 2429110 1938-07-30 310.07
-32 2429415 1939-05-31 310.04
-29 2430350 1941-12-21 310.14
-28 2430670 1942-11-06 310.68
-27 2430965 1943-08-28 311.14
-26 2431277 1944-07-05 311.16
-25 2431610 1945-06-03 312.3
-19 2433460 1950-06-27 312.41
-15 2434708 1953-11-26 312.32
-14 2435019 1954-10-03 312.12
-13 2435331 1955-08-11 311.78
-12 2435700 1956-08-14 311.54
-11 2435972 1957-05-13 312.56
-8 2436900 1959-11-27 312.29
-7 2437194 1960-09-16 311.35
-6 2437516 1961-08-04 311.47
-5 2437841 1962-06-25 311.28
-4 2438166 1963-05-16 314.02
-3 2438466 1964-03-11 315.6
-2 2438760 1964-12-30 315.86
-1 2439107 1965-12-12 315.02
0 2439418 1966-10-19 314.82
1 2439730 1967-08-27 314.47
2 2440048 1968-07-10 314.32
3 2440355 1969-05-13 314.08
6 2441300 1971-12-14 313.24
7 2441620 1972-10-29 312.81
8 2441922 1973-08-27 312.41
9 2442228 1974-06-29 312.17
10 2442550 1975-05-17 311.76
11 2442870 1976-04-01 311.38
13 2443477 1977-11-29 311.69
14 2443790 1978-10-08 312
15 2444108 1979-08-22 312.24
16 2444410 1980-06-19 312.12
17 2444732 1981-05-07 312.53
19 2445360 1983-01-25 312.83
20 2445665 1983-11-26 312.39
21 2445985 1984-10-11 311.9
22 2446296 1985-08-18 311.63
23 2446612 1986-06-30 311.24
24 2446910 1987-04-24 311.34
26 2447536 1989-01-09 311.96
27 2447845 1989-11-14 311.71
28 2448155 1990-09-20 312.07
29 2448475 1991-08-06 312.63
30 2448790 1992-06-16 313.21
31 2449110 1993-05-02 312.91
32 2449409 1994-02-25 312.61
33 2449727 1995-01-09 312.22
34 2450044 1995-11-22 311.88
35 2450350 1996-09-23 312.04
36 2450658 1997-07-28 312.54
37 2450970 1998-06-05 313.49
38 2451284 1999-04-15 314.16
39 2451601 2000-02-26 315.01
40 2451917 2001-01-07 315.86
41 2452235 2001-11-21 316.54
42 2452550 2002-10-02 316.83
43 2452873 2003-08-21 316.75
44 2453188 2004-07-01 316.53
45 2453500 2005-05-09 316.05
46 2453820 2006-03-25 315.49
47 2454136 2007-02-04 315.35
48 2454449 2007-12-14 315.03
49 2454765 2008-10-25 315.24
50 2455075 2009-08-31 315.69
51 2455389 2010-07-11 315.98
52 2455711 2011-05-29 316.96
53 2456024 2012-04-06 317.4
54 2456343 2013-02-19 317.22
56 2456979 2014-11-17 317.28
57 2457297 2015-10-01 317.19
58 2457627 2016-08-26 317.15
59 2457934 2017-06-29 317.32
60 2458239 2018-04-30 317.2
61 2458560 2019-03-17 317.02
62 2458880 2020-01-31 316.87
63 2459202 2020-12-18 316.69
64 2459520 2021-11-01 318.21
65 2459836 2022-09-13 319.63


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.