Maxima for ZZ Dra
Period: 269.66, Epoch: 2441184.9

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-97   2415005 1899-12-16 2415028 1900-01-08 -23 SVO
-95   2415555 1901-06-19 2415567 1901-07-01 -12 SVO
-93   2416083 1902-11-29 2416107 1902-12-23 -24 SVO
-92   2416349 1903-08-22 2416376 1903-09-18 -27 PZ, 1951, vol 8, p 21
-91   2416620 1904-05-19 2416646 1904-06-14 -26 SVO
-90   2416910 1905-03-05 2416916 1905-03-11 -6 SVO
-89   2417170 1905-11-20 2417185 1905-12-05 -15 SVO
-88   2417455 1906-09-01 2417455 1906-09-01 0 SVO
-85   2418279 1908-12-03 2418264 1908-11-18 15 SVO
-84   2418545 1909-08-26 2418534 1909-08-15 11 SVO
-83   2418830 1910-06-07 2418803 1910-05-11 27 SVO
-82   2419100 1911-03-04 2419073 1911-02-05 27 SVO
-81   2419370 1911-11-29 2419343 1911-11-02 27 SVO
-77   2420460 1914-11-23 2420421 1914-10-15 39 SVO
-75   2421000 1916-05-16 2420961 1916-04-07 39 SVO
-74   2421245 1917-01-16 2421230 1917-01-01 15 SVO
-73   2421540 1917-11-07 2421500 1917-09-28 40 SVO
-72   2421800 1918-07-25 2421770 1918-06-25 30 SVO
-71   2422080 1919-05-01 2422039 1919-03-21 41 SVO
-70   2422320 1919-12-27 2422309 1919-12-16 11 SVO
-69   2422600 1920-10-02 2422579 1920-09-11 21 SVO
-68   2422855 1921-06-14 2422848 1921-06-07 7 SVO
-66   2423380 1922-11-21 2423388 1922-11-29 -8 SVO
-65   2423650 1923-08-18 2423657 1923-08-25 -7 SVO
-64   2423900 1924-04-24 2423927 1924-05-21 -27 SVO
-62   2424430 1925-10-06 2424466 1925-11-11 -36 SVO
-61   2424680 1926-06-13 2424736 1926-08-08 -56 SVO
-60   2424970 1927-03-30 2425005 1927-05-04 -35 SVO
-59   2425220 1927-12-05 2425275 1928-01-29 -55 SVO
-58   2425490 1928-08-31 2425545 1928-10-25 -55 SVO
-57   2425765 1929-06-02 2425814 1929-07-21 -49 SVO
-55   2426285 1930-11-04 2426354 1931-01-12 -69 SVO
-54   2426547 1931-07-24 2426623 1931-10-08 -76 SVO
-53   2426830 1932-05-02 2426893 1932-07-04 -63 SVO
-52   2427100 1933-01-27 2427163 1933-03-31 -63 SVO
-51   2427380 1933-11-03 2427432 1933-12-25 -52 PZ, 1951, vol 8, p 21
-50   2427663 1934-08-13 2427702 1934-09-21 -39 SVO
-49   2427929 1935-05-06 2427972 1935-06-18 -43 PZ, 1951, vol 8, p 21
-48   2428196 1936-01-28 2428241 1936-03-13 -45 PZ, 1951, vol 8, p 21
-47   2428465 1936-10-23 2428511 1936-12-08 -46 PZ, 1951, vol 8, p 21
-46   2428742 1937-07-27 2428781 1937-09-04 -39 SVO
-45   2429014 1938-04-25 2429050 1938-05-31 -36 SVO
-44   2429296 1939-02-01 2429320 1939-02-25 -24 SVO
-43   2429559 1939-10-22 2429590 1939-11-22 -31 SVO
-42   2429847 1940-08-05 2429859 1940-08-17 -12 SVO
-41   2430117 1941-05-02 2430129 1941-05-14 -12 SVO
-40   2430387 1942-01-27 2430399 1942-02-08 -12 SVO
-39   2430658 1942-10-25 2430668 1942-11-04 -10 SVO
-38   2430928 1943-07-22 2430938 1943-08-01 -10 SVO
-37   2431200 1944-04-19 2431208 1944-04-27 -8 SVO
-35   2431746 1945-10-17 2431747 1945-10-18 -1 SVO
-34   2432026 1946-07-24 2432017 1946-07-15 9 SVO
-33   2432312 1947-05-06 2432286 1947-04-10 26 PZ, 1951, vol 8, p 21
-32   2432587 1948-02-05 2432556 1948-01-05 31 PZ, 1951, vol 8, p 21
-31   2432861 1948-11-05 2432826 1948-10-01 35 PCopO, 1955, vol 167, p 1
-30   2433143 1949-08-14 2433095 1949-06-27 48 SVO
-29   2433418 1950-05-16 2433365 1950-03-24 53 PCopO, 1955, vol 167, p 1
-28   2433687 1951-02-09 2433634 1950-12-18 53 PCopO, 1955, vol 167, p 1
-27   2433965 1951-11-14 2433904 1951-09-14 61 PCopO, 1955, vol 167, p 1
-26   2434240 1952-08-15 2434174 1952-06-10 66 SVO
-25   2434509 1953-05-11 2434443 1953-03-06 66 PCopO, 1955, vol 167, p 1
-3   2440410 1969-07-07 2440376 1969-06-03 34 SVO
4   2442300 1974-09-09 2442264 1974-08-04 36 SVO
5   2442570 1975-06-06 2442533 1975-04-30 37 SVO
6   2442830 1976-02-21 2442803 1976-01-25 27 SVO
7   2443100 1976-11-17 2443072 1976-10-20 28 SVO
8   2443367 1977-08-11 2443342 1977-07-17 25 SVO
9   2443640 1978-05-11 2443612 1978-04-13 28 SVO
10 9.5 2443907 1979-02-02 2443881 1979-01-07 26 SVO
11 9.8 2444172 1979-10-25 2444151 1979-10-04 21 SVO
12   2444450 1980-07-29 2444421 1980-06-30 29 SVO
13   2444710 1981-04-15 2444690 1981-03-26 20 SVO
14 10.0 2444987 1982-01-17 2444960 1981-12-21 27 SVO
15 9.4 2445267 1982-10-24 2445230 1982-09-17 37 SVO
16   2445529 1983-07-13 2445499 1983-06-13 30 SVO
17 9.7 2445800 1984-04-09 2445769 1984-03-09 31 SVO
18 9.8 2446075 1985-01-09 2446039 1984-12-04 36 SVO
19 9.3 2446336 1985-09-27 2446308 1985-08-30 28 SVO
20 9.4 2446610 1986-06-28 2446578 1986-05-27 32 SVO
21 10.0 2446885 1987-03-30 2446848 1987-02-21 37 SVO
22   2447150 1987-12-20 2447117 1987-11-17 33 SVO
23 9.7 2447430 1988-09-25 2447387 1988-08-13 43 SVO
24 9.6 2447702 1989-06-24 2447657 1989-05-10 45 SVO
25 9.0 2447961 1990-03-10 2447926 1990-02-03 35 SVO
26 9.5 2448234 1990-12-08 2448196 1990-10-31 38 SVO
27 10.0 2448503 1991-09-03 2448466 1991-07-28 37 SVO
28 8.9 2448766 1992-05-23 2448735 1992-04-22 31 SVO
29 9.7 2449042 1993-02-23 2449005 1993-01-17 37 SVO
30 9.3 2449310 1993-11-18 2449275 1993-10-14 35 SVO
31 9.5 2449576 1994-08-11 2449544 1994-07-10 32 SVO
32 9.4 2449845 1995-05-07 2449814 1995-04-06 31 SVO
33 10.0 2450124 1996-02-10 2450084 1996-01-01 40 SVO
34 9.5 2450386 1996-10-29 2450353 1996-09-26 33 SVO
35 9.6 2450650 1997-07-20 2450623 1997-06-23 27 SVO
36 9.7 2450920 1998-04-16 2450893 1998-03-20 27 SVO
37 9.5 2451192 1999-01-13 2451162 1998-12-14 30 SVO
38 9.1 2451452 1999-09-30 2451432 1999-09-10 20 SVO
39 9.7 2451726 2000-06-30 2451701 2000-06-05 25 SVO
40 9.7 2451997 2001-03-28 2451971 2001-03-02 26 SVO
41 9.3 2452257 2001-12-13 2452241 2001-11-27 16 SVO
42 9.9 2452522 2002-09-04 2452510 2002-08-23 12 SVO
43 9.4 2452784 2003-05-24 2452780 2003-05-20 4 SVO
44 10.3 2453066 2004-03-01 2453050 2004-02-14 16 SVO
45 9.7 2453326 2004-11-16 2453319 2004-11-09 7 SVO
46 9.3 2453582 2005-07-30 2453589 2005-08-06 -7 SVO
47 9.7 2453848 2006-04-22 2453859 2006-05-03 -11 SVO
48 9.9 2454112 2007-01-11 2454128 2007-01-27 -16 SVO
49 10.0 2454382 2007-10-08 2454398 2007-10-24 -16 SVO
50 9.5 2454639 2008-06-21 2454668 2008-07-20 -29 SVO
51 9.9 2454911 2009-03-20 2454937 2009-04-15 -26 SVO
52 9.7 2455170 2009-12-04 2455207 2010-01-10 -37 SVO
53 9.9 2455452 2010-09-12 2455477 2010-10-07 -25 SVO
54 10.4 2455726 2011-06-13 2455746 2011-07-03 -20 SVO
55 9.6 2455992 2012-03-05 2456016 2012-03-29 -24 SVO
56 10.1 2456253 2012-11-21 2456286 2012-12-24 -33 SVO
57 9.3 2456518 2013-08-13 2456555 2013-09-19 -37 SVO
58 10.2 2456800 2014-05-22 2456825 2014-06-16 -25 SVO
59 9.4 2457056 2015-02-02 2457095 2015-03-13 -39 SVO
60   2457325 2015-10-29 2457364 2015-12-07 -39 SVO
61 9.3 2457597 2016-07-27 2457634 2016-09-02 -37 SVO
62   2457865 2017-04-21 2457904 2017-05-30 -39 SVO
63   2458135 2018-01-16 2458173 2018-02-23 -38 SVO
64 9.6 2458395 2018-10-03 2458443 2018-11-20 -48 SVO
65 9.2 2458656 2019-06-21 2458713 2019-08-17 -57 SVO
66 9.5 2458932 2020-03-23 2458982 2020-05-12 -50 SVO
67 9.6 2459203 2020-12-19 2459252 2021-02-06 -49 SVO
68 9.7 2459477 2021-09-19 2459522 2021-11-03 -45 SVO
69 9.4 2459749 2022-06-18 2459791 2022-07-30 -42 SVO
70 9.6 2460017 2023-03-13 2460061 2023-04-26 -44 SVO
71 9.5 2460292 2023-12-13 2460330 2024-01-20 -38 SVO
72 9.9 2460577 2024-09-23 2460600 2024-10-16 -23 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.