Maxima for DD Cyg
Period: 148.05, Epoch: 2444563.0

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-195   2415676 1901-10-18 2415694 1901-11-05 -18 SVO
-193   2415970 1902-08-08 2415990 1902-08-28 -20 SVO
-191   2416270 1903-06-04 2416286 1903-06-20 -16 SVO
-190   2416409 1903-10-21 2416434 1903-11-15 -25 SVO
-188   2416720 1904-08-27 2416730 1904-09-06 -10 SVO
-186   2417005 1905-06-08 2417027 1905-06-30 -22 SVO
-185   2417150 1905-10-31 2417175 1905-11-25 -25 SVO
-183   2417460 1906-09-06 2417471 1906-09-17 -11 SVO
-181   2417750 1907-06-23 2417767 1907-07-10 -17 SVO
-178   2418195 1908-09-10 2418211 1908-09-26 -16 SVO
-177   2418350 1909-02-12 2418359 1909-02-21 -9 SVO
-176   2418500 1909-07-12 2418507 1909-07-19 -7 SVO
-175   2418645 1909-12-04 2418655 1909-12-14 -10 SVO
-173   2418940 1910-09-25 2418951 1910-10-06 -11 SVO
-171   2419250 1911-08-01 2419247 1911-07-29 3 SVO
-168   2419690 1912-10-14 2419691 1912-10-15 -1 SVO
-166   2419990 1913-08-10 2419987 1913-08-07 3 SVO
-163   2420425 1914-10-19 2420432 1914-10-26 -7 SVO
-162   2420570 1915-03-13 2420580 1915-03-23 -10 SVO
-158   2421180 1916-11-12 2421172 1916-11-04 8 SVO
-156   2421465 1917-08-24 2421468 1917-08-27 -3 SVO
-152   2422070 1919-04-21 2422060 1919-04-11 10 SVO
-148   2422660 1920-12-01 2422652 1920-11-23 8 SVO
-147   2422800 1921-04-20 2422800 1921-04-20 0 SVO
-146   2422954 1921-09-21 2422948 1921-09-15 6 SVO
-144   2423255 1922-07-19 2423244 1922-07-08 11 SVO
-142   2423540 1923-04-30 2423541 1923-05-01 -1 SVO
-141   2423690 1923-09-27 2423689 1923-09-26 1 SVO
-139   2423990 1924-07-23 2423985 1924-07-18 5 SVO
-136   2424425 1925-10-01 2424429 1925-10-05 -4 SVO
-134   2424730 1926-08-02 2424725 1926-07-28 5 SVO
-133   2424878 1926-12-28 2424873 1926-12-23 5 GuL, 1936, 2.2
-132   2425016 1927-05-15 2425021 1927-05-20 -5 GuL, 1936, 2.2
-131   2425171 1927-10-17 2425169 1927-10-15 2 GuL, 1936, 2.2
-129   2425465 1928-08-06 2425465 1928-08-06 0 GuL, 1936, 2.2
-128   2425604 1928-12-23 2425613 1929-01-01 -9 AN, 1934, vol 252, p 171
-127   2425750 1929-05-18 2425761 1929-05-29 -11 SVO
-126   2425907 1929-10-22 2425909 1929-10-24 -2 AN, 1934, vol 252, p 171
-125   2426059 1930-03-23 2426057 1930-03-21 2 AN, 1934, vol 252, p 171
-124   2426197 1930-08-08 2426205 1930-08-16 -8 AN, 1934, vol 252, p 171
-122   2426485 1931-05-23 2426501 1931-06-08 -16 SVO
-121   2426644 1931-10-29 2426649 1931-11-03 -5 AN, 1934, vol 252, p 171
-119   2426941 1932-08-21 2426946 1932-08-26 -5 SVO
-117   2427233 1933-06-09 2427242 1933-06-18 -9 SVO
-116   2427378 1933-11-01 2427390 1933-11-13 -12 SVO
-115   2427526 1934-03-29 2427538 1934-04-10 -12 SVO
-114   2427670 1934-08-20 2427686 1934-09-05 -16 GuL, 1936, 2.2
-112   2427975 1935-06-21 2427982 1935-06-28 -7 SVO
-111   2428120 1935-11-13 2428130 1935-11-23 -10 SVO
-109   2428410 1936-08-29 2428426 1936-09-14 -16 SVO
-107   2428712 1937-06-27 2428722 1937-07-07 -10 SVO
-106   2428860 1937-11-22 2428870 1937-12-02 -10 SVO
-105   2429010 1938-04-21 2429018 1938-04-29 -8 SVO
-104   2429160 1938-09-18 2429166 1938-09-24 -6 SVO
-102   2429457 1939-07-12 2429462 1939-07-17 -5 SVO
-100   2429760 1940-05-10 2429758 1940-05-08 2 SVO
-99   2429917 1940-10-14 2429906 1940-10-03 11 SVO
-97   2430196 1941-07-20 2430203 1941-07-27 -7 SVO
-95   2430505 1942-05-25 2430499 1942-05-19 6 SVO
-94   2430656 1942-10-23 2430647 1942-10-14 9 SVO
-92   2430951 1943-08-14 2430943 1943-08-06 8 SVO
-90   2431240 1944-05-29 2431239 1944-05-28 1 SVO
-89   2431390 1944-10-26 2431387 1944-10-23 3 SVO
-87   2431700 1945-09-01 2431683 1945-08-15 17 SVO
-85   2431995 1946-06-23 2431979 1946-06-07 16 SVO
-83   2432280 1947-04-04 2432275 1947-03-30 5 SVO
-82   2432438 1947-09-09 2432423 1947-08-25 15 SVO
-80   2432729 1948-06-26 2432719 1948-06-16 10 SVO
-75   2433485 1950-07-22 2433460 1950-06-27 25 SVO
-73   2433775 1951-05-08 2433756 1951-04-19 19 SVO
-72   2433915 1951-09-25 2433904 1951-09-14 11 SVO
-70   2434220 1952-07-26 2434200 1952-07-06 20 SVO
-63   2435248 1955-05-20 2435236 1955-05-08 12 PZ, 1963, vol 14, p 504
-62   2435392 1955-10-11 2435384 1955-10-03 8 PZ, 1963, vol 14, p 504
-58   2435987 1957-05-28 2435976 1957-05-17 11 MitVS, 1961, vol 1, p 590
-57   2436142 1957-10-30 2436124 1957-10-12 18 MitVS, 1961, vol 1, p 590
-55   2436440 1958-08-24 2436420 1958-08-04 20 MitVS, 1961, vol 1, p 590
-50   2437191 1960-09-13 2437161 1960-08-14 30 MitVS, 1961, vol 1, p 590, PZ, 1963, vol 14, p 504
-47   2437630 1961-11-26 2437605 1961-11-01 25 MitVS, 1967, vol 4, p 150
-46   2437765 1962-04-10 2437753 1962-03-29 12 MitVS, 1967, vol 4, p 150
-45   2437916 1962-09-08 2437901 1962-08-24 15 MitVS, 1967, vol 4, p 150
-43   2438219 1963-07-08 2438197 1963-06-16 22 MitVS, 1967, vol 4, p 150
-42   2438356 1963-11-22 2438345 1963-11-11 11 MitVS, 1967, vol 4, p 150
-41   2438500 1964-04-14 2438493 1964-04-07 7 MitVS, 1967, vol 4, p 150
-40   2438642 1964-09-03 2438641 1964-09-02 1 MitVS, 1967, vol 4, p 150
-38   2438958 1965-07-16 2438937 1965-06-25 21 MitVS, 1967, vol 4, p 150
-37   2439115 1965-12-20 2439085 1965-11-20 30 MitVS, 1967, vol 4, p 150
-36   2439240 1966-04-24 2439233 1966-04-17 7 MitVS, 1967, vol 4, p 150
-35   2439395 1966-09-26 2439381 1966-09-12 14 MitVS, 1967, vol 4, p 150
-28   2440430 1969-07-27 2440418 1969-07-15 12 SVO
-25   2440880 1970-10-20 2440862 1970-10-02 18 SVO
-23   2441170 1971-08-06 2441158 1971-07-25 12 SVO
-22   2441310 1971-12-24 2441306 1971-12-20 4 SVO
-21   2441460 1972-05-22 2441454 1972-05-16 6 SVO
-20 10.1 2441608 1972-10-17 2441602 1972-10-11 6 SVO
-18 10.5 2441903 1973-08-08 2441898 1973-08-03 5 SVO
-16   2442195 1974-05-27 2442194 1974-05-26 1 SVO
-15 10.2 2442343 1974-10-22 2442342 1974-10-21 1 SVO
-13 10.7 2442643 1975-08-18 2442638 1975-08-13 5 SVO
-11   2442930 1976-05-31 2442934 1976-06-04 -4 SVO
-10   2443085 1976-11-02 2443083 1976-10-31 2 SVO
-8   2443380 1977-08-24 2443379 1977-08-23 1 SVO
-6   2443670 1978-06-10 2443675 1978-06-15 -5 SVO
-5   2443825 1978-11-12 2443823 1978-11-10 2 SVO
-3   2444115 1979-08-29 2444119 1979-09-02 -4 SVO
-1   2444425 1980-07-04 2444415 1980-06-24 10 SVO
0   2444570 1980-11-26 2444563 1980-11-19 7 SVO
1   2444725 1981-04-30 2444711 1981-04-16 14 SVO
2 10.1 2444870 1981-09-22 2444859 1981-09-11 11 SVO
4   2445165 1982-07-14 2445155 1982-07-04 10 SVO
5   2445310 1982-12-06 2445303 1982-11-29 7 SVO
6   2445445 1983-04-20 2445451 1983-04-26 -6 SVO
7 10.1 2445603 1983-09-25 2445599 1983-09-21 4 SVO
8   2445745 1984-02-14 2445747 1984-02-16 -2 SVO
9 10.0 2445896 1984-07-14 2445895 1984-07-13 1 SVO
10   2446035 1984-11-30 2446043 1984-12-08 -8 SVO
11   2446190 1985-05-04 2446191 1985-05-05 -1 SVO
12 9.9 2446345 1985-10-06 2446340 1985-10-01 5 SVO
13   2446480 1986-02-18 2446488 1986-02-26 -8 SVO
14 9.7 2446630 1986-07-18 2446636 1986-07-24 -6 SVO
15 10.1 2446780 1986-12-15 2446784 1986-12-19 -4 SVO
16   2446925 1987-05-09 2446932 1987-05-16 -7 SVO
17 10.3 2447081 1987-10-12 2447080 1987-10-11 1 SVO
18   2447230 1988-03-09 2447228 1988-03-07 2 SVO
19 9.9 2447379 1988-08-05 2447376 1988-08-02 3 SVO
20 10.0 2447521 1988-12-25 2447524 1988-12-28 -3 SVO
21 10.1 2447673 1989-05-26 2447672 1989-05-25 1 SVO
22 10.2 2447828 1989-10-28 2447820 1989-10-20 8 SVO
23 10.1 2447985 1990-04-03 2447968 1990-03-17 17 SVO
24 9.8 2448120 1990-08-16 2448116 1990-08-12 4 SVO
25   2448270 1991-01-13 2448264 1991-01-07 6 SVO
26 10.2 2448426 1991-06-18 2448412 1991-06-04 14 SVO
27 9.8 2448565 1991-11-04 2448560 1991-10-30 5 SVO
28   2448720 1992-04-07 2448708 1992-03-26 12 SVO
29 9.8 2448866 1992-08-31 2448856 1992-08-21 10 SVO
30 10.8 2448999 1993-01-11 2449004 1993-01-16 -5 SVO
31 9.7 2449164 1993-06-25 2449152 1993-06-13 12 SVO
32   2449326 1993-12-04 2449300 1993-11-08 26 AFOEV
33 10.1 2449470 1994-04-27 2449448 1994-04-05 22 SVO
34 9.9 2449605 1994-09-09 2449597 1994-09-01 8 SVO
35   2449755 1995-02-06 2449745 1995-01-27 10 SVO
36 10.2 2449906 1995-07-07 2449893 1995-06-24 13 SVO
37 9.8 2450048 1995-11-26 2450041 1995-11-19 7 SVO
38   2450214 1996-05-10 2450189 1996-04-15 25 AFOEV
39 9.8 2450348 1996-09-21 2450337 1996-09-10 11 SVO
40   2450500 1997-02-20 2450485 1997-02-05 15 SVO
41 9.7 2450636 1997-07-06 2450633 1997-07-03 3 SVO
42 10.3 2450796 1997-12-13 2450781 1997-11-28 15 SVO
43 9.8 2450934 1998-04-30 2450929 1998-04-25 5 SVO
44 10.1 2451078 1998-09-21 2451077 1998-09-20 1 SVO
45   2451222 1999-02-12 2451225 1999-02-15 -3 AFOEV
46 9.9 2451372 1999-07-12 2451373 1999-07-13 -1 SVO
47 9.8 2451518 1999-12-05 2451521 1999-12-08 -3 SVO
48   2451673 2000-05-08 2451669 2000-05-04 4 AFOEV
49 10.1 2451825 2000-10-07 2451817 2000-09-29 8 SVO
50   2451968 2001-02-27 2451965 2001-02-24 3 AFOEV
51 9.8 2452113 2001-07-22 2452113 2001-07-22 0 SVO
52 9.9 2452254 2001-12-10 2452261 2001-12-17 -7 SVO
53 10.1 2452403 2002-05-08 2452409 2002-05-14 -6 SVO
54 10.2 2452555 2002-10-07 2452557 2002-10-09 -2 SVO
55 10.0 2452698 2003-02-27 2452705 2003-03-06 -7 SVO
56 9.8 2452850 2003-07-29 2452854 2003-08-02 -4 SVO
57 9.9 2452996 2003-12-22 2453002 2003-12-28 -6 SVO
58 10.0 2453146 2004-05-20 2453150 2004-05-24 -4 SVO
59 9.8 2453290 2004-10-11 2453298 2004-10-19 -8 SVO
60   2453440 2005-03-10 2453446 2005-03-16 -6 SVO
61 9.9 2453586 2005-08-03 2453594 2005-08-11 -8 SVO
62   2453740 2006-01-04 2453742 2006-01-06 -2 AFOEV
63   2453883 2006-05-27 2453890 2006-06-03 -7 AFOEV
64 10.1 2454038 2006-10-29 2454038 2006-10-29 0 SVO
65   2454180 2007-03-20 2454186 2007-03-26 -6 SVO
66 9.6 2454331 2007-08-18 2454334 2007-08-21 -3 SVO
67   2454470 2008-01-04 2454482 2008-01-16 -12 SVO
68 10.2 2454625 2008-06-07 2454630 2008-06-12 -5 SVO
69 9.9 2454774 2008-11-03 2454778 2008-11-07 -4 SVO
70   2454919 2009-03-28 2454926 2009-04-04 -7 AFOEV
71 9.7 2455060 2009-08-16 2455074 2009-08-30 -14 SVO
72   2455225 2010-01-28 2455222 2010-01-25 3 SVO
73 9.7 2455378 2010-06-30 2455370 2010-06-22 8 SVO
74 10.2 2455519 2010-11-18 2455518 2010-11-17 1 SVO
75 9.7 2455656 2011-04-04 2455666 2011-04-14 -10 SVO
76 10.0 2455804 2011-08-30 2455814 2011-09-09 -10 SVO
77 10.4 2455973 2012-02-15 2455962 2012-02-04 11 SVO
78 9.9 2456109 2012-06-30 2456111 2012-07-02 -2 SVO
79 10.4 2456262 2012-11-30 2456259 2012-11-27 3 SVO
80   2456400 2013-04-17 2456407 2013-04-24 -7 SVO
81   2456560 2013-09-24 2456555 2013-09-19 5 SVO
83   2456855 2014-07-16 2456851 2014-07-12 4 SVO
84   2456990 2014-11-28 2456999 2014-12-07 -9 SVO
85 9.7 2457131 2015-04-18 2457147 2015-05-04 -16 SVO
86 10.4 2457285 2015-09-19 2457295 2015-09-29 -10 SVO
87   2457440 2016-02-21 2457443 2016-02-24 -3 SVO
88 9.7 2457583 2016-07-13 2457591 2016-07-21 -8 SVO
89 9.8 2457715 2016-11-22 2457739 2016-12-16 -24 SVO
90   2457866 2017-04-22 2457887 2017-05-13 -21 SVO
91 9.8 2458014 2017-09-17 2458035 2017-10-08 -21 SVO
92   2458165 2018-02-15 2458183 2018-03-05 -18 SVO
93   2458316 2018-07-16 2458331 2018-07-31 -15 SVO
94   2458450 2018-11-27 2458479 2018-12-26 -29 SVO
95 9.9 2458605 2019-05-01 2458627 2019-05-23 -22 SVO
96 10.0 2458757 2019-09-30 2458775 2019-10-18 -18 SVO
97   2458900 2020-02-20 2458923 2020-03-14 -23 SVO
98 10.3 2459058 2020-07-27 2459071 2020-08-09 -13 SVO
99 9.8 2459204 2020-12-20 2459219 2021-01-04 -15 SVO
100 9.9 2459362 2021-05-27 2459368 2021-06-02 -6 SVO
101 9.6 2459498 2021-10-10 2459516 2021-10-28 -18 SVO
102   2459650 2022-03-11 2459664 2022-03-25 -14 SVO
103 9.8 2459805 2022-08-13 2459812 2022-08-20 -7 SVO


E Cycle number from the GCVS4 epoch.
Mag Magnitude at maximum.
O (JD) Julian date at observed time for maximum.
O (Dat) Same as above, expressed as date.
C (JD) Julian date at calculated time for maximum with elements from GCVS4.
C (Dat) Same as above, expressed as date.
O-C O (JD) minus C (JD).
Sorce Datasource for the maxima.