Maxima for DR Cyg
Mean period: 313.32, GCVS period: 313.88

E O (JD) O (dat) Period
-78 2414934 1899-10-06 312.6
-75 2415892 1902-05-22 315.32
-74 2416180 1903-03-06 317.91
-73 2416515 1904-02-04 316.95
-72 2416818 1904-12-03 315.81
-70 2417465 1906-09-11 316.88
-68 2418104 1908-06-11 316.44
-64 2419364 1911-11-23 314.7
-63 2419673 1912-09-27 314.08
-62 2420004 1913-08-24 313.72
-60 2420602 1915-04-14 313.44
-58 2421228 1916-12-30 313.68
-48 2424362 1925-07-30 314.29
-47 2424697 1926-06-30 314.76
-46 2424995 1927-04-24 316.17
-44 2425648 1929-02-05 318.04
-43 2425972 1929-12-26 320.37
-42 2426280 1930-10-30 320.31
-41 2426616 1931-10-01 318.94
-40 2426925 1932-08-05 315.78
-39 2427260 1933-07-06 313.33
-38 2427557 1934-04-29 311.94
-35 2428508 1936-12-05 312.28
-34 2428796 1937-09-19 311.73
-33 2429096 1938-07-16 311.81
-32 2429415 1939-05-31 310.69
-27 2430996 1943-09-28 309.97
-26 2431294 1944-07-22 311.45
-25 2431630 1945-06-23 311.55
-19 2433445 1950-06-12 312.35
-15 2434708 1953-11-26 312.73
-14 2435019 1954-10-03 310.87
-13 2435331 1955-08-11 311
-12 2435700 1956-08-14 312.24
-11 2435972 1957-05-13 312.78
-8 2436900 1959-11-27 314.28
-7 2437194 1960-09-16 311.16
-6 2437516 1961-08-04 308.55
-5 2437841 1962-06-25 312.19
-4 2438166 1963-05-16 316.5
-3 2438466 1964-03-11 316.99
-2 2438760 1964-12-30 315.78
-1 2439107 1965-12-12 314
0 2439418 1966-10-19 313.94
1 2439730 1967-08-27 316.33
2 2440048 1968-07-10 315.27
3 2440355 1969-05-13 312.5
6 2441300 1971-12-14 313.16
7 2441620 1972-10-29 312.81
8 2441922 1973-08-27 312
9 2442228 1974-06-29 312.15
11 2442870 1976-04-01 311
13 2443477 1977-11-29 311.11
14 2443790 1978-10-08 312.73
15 2444108 1979-08-22 311.95
16 2444410 1980-06-19 311.94
17 2444732 1981-05-07 313.37
19 2445360 1983-01-25 313.12
20 2445665 1983-11-26 312.78
21 2445985 1984-10-11 311.95
22 2446296 1985-08-18 310.95
23 2446612 1986-06-30 311.39
26 2447536 1989-01-09 311.95
27 2447845 1989-11-14 312.17
28 2448155 1990-09-20 311.72
29 2448475 1991-08-06 311.75
30 2448790 1992-06-16 313.58
31 2449110 1993-05-02 313.86
32 2449409 1994-02-25 312.71
33 2449727 1995-01-09 311.64
34 2450044 1995-11-22 311
35 2450350 1996-09-23 311.87
36 2450658 1997-07-28 313
37 2450970 1998-06-05 312.92
38 2451284 1999-04-15 313.64
39 2451601 2000-02-26 315.36
40 2451917 2001-01-07 316.65
41 2452235 2001-11-21 316.72
42 2452550 2002-10-02 316.78
43 2452873 2003-08-21 316.99
44 2453188 2004-07-01 316.64
45 2453500 2005-05-09 316.37
46 2453820 2006-03-25 315.5
47 2454136 2007-02-04 314.49
48 2454449 2007-12-14 315.14
49 2454765 2008-10-25 315.36
50 2455075 2009-08-31 315.08
51 2455389 2010-07-11 315.8
52 2455711 2011-05-29 316.37
53 2456024 2012-04-06 317.75
54 2456343 2013-02-19 318.57
56 2456979 2014-11-17 317.07
57 2457297 2015-10-01 316.5
58 2457627 2016-08-26 317.06
59 2457934 2017-06-29 317.33
60 2458239 2018-04-30 317.58
61 2458560 2019-03-17 316.57
62 2458880 2020-01-31 315.66
63 2459202 2020-12-18 318.03
64 2459520 2021-11-01 320.01
65 2459836 2022-09-13 319.81


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.