Maxima for Z Oph
Period: 349.18, Epoch: 2442266.1
AAVSO offset: -5

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-87   2411897 1891-06-13 2411887 1891-06-03 10 AnHar, 1909, vol 55, p 95
-85   2412601 1893-05-17 2412586 1893-05-02 15 AnHar, 1909, vol 55, p 95
-84   2412949 1894-04-30 2412935 1894-04-16 14 AnHar, 1909, vol 55, p 95
-83   2413285 1895-04-01 2413284 1895-03-31 1 AnHar, 1909, vol 55, p 95
-82   2413630 1896-03-11 2413633 1896-03-14 -3 SVO
-81   2414000 1897-03-16 2413983 1897-02-27 17 AnHar, 1909, vol 55, p 95
-80   2414310 1898-01-20 2414332 1898-02-11 -22 AnHar, 1952, vol 115
-77   2415380 1900-12-26 2415379 1900-12-25 1 AnHar, 1909, vol 55, p 95
-76   2415722 1901-12-03 2415728 1901-12-09 -6 AnHar, 1909, vol 55, p 95
-75   2416086 1902-12-02 2416078 1902-11-24 8 AnHar, 1909, vol 55, p 95
-74   2416448 1903-11-29 2416427 1903-11-08 21 GuL, 1920, 1.2
-73   2416771 1904-10-17 2416776 1904-10-22 -5 SVO
-72 8.5 2417128 1905-10-09 2417125 1905-10-06 3 AAVSO
-71 8.4 2417477 1906-09-23 2417474 1906-09-20 3 AAVSO
-70 7.6 2417826 1907-09-07 2417823 1907-09-04 3 AAVSO
-69 7.8 2418179 1908-08-25 2418173 1908-08-19 6 AAVSO
-68 8.0 2418521 1909-08-02 2418522 1909-08-03 -1 AAVSO
-67 7.8 2418873 1910-07-20 2418871 1910-07-18 2 AAVSO
-66   2419234 1911-07-16 2419220 1911-07-02 14 SVO
-65 7.8 2419566 1912-06-12 2419569 1912-06-15 -3 AAVSO
-64 7.6 2419919 1913-05-31 2419919 1913-05-31 0 AAVSO
-63 8.1 2420269 1914-05-16 2420268 1914-05-15 1 AAVSO
-62 7.6 2420617 1915-04-29 2420617 1915-04-29 0 AAVSO
-61 8.5 2420963 1916-04-09 2420966 1916-04-12 -3 AAVSO
-60 7.6 2421309 1917-03-21 2421315 1917-03-27 -6 AAVSO
-59 8.3 2421669 1918-03-16 2421664 1918-03-11 5 AAVSO
-58 8.0 2422019 1919-03-01 2422014 1919-02-24 5 AAVSO
-57 8.2 2422358 1920-02-03 2422363 1920-02-08 -5 AAVSO
-56 8.2 2422717 1921-01-27 2422712 1921-01-22 5 SVO
-55 8.3 2423080 1922-01-25 2423061 1922-01-06 19 SVO
-54 8.1 2423432 1923-01-12 2423410 1922-12-21 22 SVO
-53 8.0 2423770 1923-12-16 2423760 1923-12-06 10 SVO
-52 8.5 2424146 1924-12-26 2424109 1924-11-19 37 SVO
-51 8.0 2424475 1925-11-20 2424458 1925-11-03 17 SVO
-50 9.0 2424847 1926-11-27 2424807 1926-10-18 40 SVO
-49 8.1 2425174 1927-10-20 2425156 1927-10-02 18 SVO
-48 8.9 2425541 1928-10-21 2425505 1928-09-15 36 SVO
-47 7.9 2425861 1929-09-06 2425855 1929-08-31 6 SVO
-46 9.6 2426269 1930-10-19 2426204 1930-08-15 65 SVO
-45 8.6 2426577 1931-08-23 2426553 1931-07-30 24 SVO
-44 8.0 2426921 1932-08-01 2426902 1932-07-13 19 SVO
-43 8.2 2427267 1933-07-13 2427251 1933-06-27 16 SVO
-42 8.1 2427609 1934-06-20 2427601 1934-06-12 8 SVO
-41 8.4 2427963 1935-06-09 2427950 1935-05-27 13 SVO
-40 8.2 2428314 1936-05-25 2428299 1936-05-10 15 SVO
-39 8.2 2428654 1937-04-30 2428648 1937-04-24 6 AAVSO
-38 8.6 2429015 1938-04-26 2428997 1938-04-08 18 SVO
-37 8.2 2429346 1939-03-23 2429346 1939-03-23 0 AAVSO
-36 8.6 2429699 1940-03-10 2429696 1940-03-07 3 AAVSO
-35 8.0 2430036 1941-02-10 2430045 1941-02-19 -9 AAVSO
-34   2430386 1942-01-26 2430394 1942-02-03 -8 AAVSO
-33   2430737 1943-01-12 2430743 1943-01-18 -6 AAVSO
-32 8.2 2431073 1943-12-14 2431092 1944-01-02 -19 AAVSO
-31 8.8 2431431 1944-12-06 2431442 1944-12-17 -11 SVO
-30 8.2 2431782 1945-11-22 2431791 1945-12-01 -9 SVO
-29 8.4 2432116 1946-10-22 2432140 1946-11-15 -24 SVO
-28 8.4 2432474 1947-10-15 2432489 1947-10-30 -15 SVO
-27 8.1 2432820 1948-09-25 2432838 1948-10-13 -18 SVO
-26 8.4 2433175 1949-09-15 2433187 1949-09-27 -12 SVO
-25 7.8 2433514 1950-08-20 2433537 1950-09-12 -23 SVO
-24 8.1 2433856 1951-07-28 2433886 1951-08-27 -30 SVO
-23 8.2 2434202 1952-07-08 2434235 1952-08-10 -33 SVO
-22 8.1 2434547 1953-06-18 2434584 1953-07-25 -37 SVO
-21 8.3 2434907 1954-06-13 2434933 1954-07-09 -26 SVO
-20 8.1 2435263 1955-06-04 2435282 1955-06-23 -19 AAVSO
-19 8.4 2435642 1956-06-17 2435632 1956-06-07 10 SVO
-18 7.9 2435969 1957-05-10 2435981 1957-05-22 -12 SVO
-17 8.2 2436334 1958-05-10 2436330 1958-05-06 4 SVO
-16 8.2 2436683 1959-04-24 2436679 1959-04-20 4 AAVSO
-15 8.5 2437036 1960-04-11 2437028 1960-04-03 8 AAVSO
-14 8.6 2437382 1961-03-23 2437378 1961-03-19 4 AAVSO
-13 8.4 2437728 1962-03-04 2437727 1962-03-03 1 AAVSO
-12 8.7 2438074 1963-02-13 2438076 1963-02-15 -2 AAVSO
-11 8.4 2438404 1964-01-09 2438425 1964-01-30 -21 AAVSO
-10 8.0 2438743 1964-12-13 2438774 1965-01-13 -31 AAVSO
-9 8.4 2439084 1965-11-19 2439123 1965-12-28 -39 SVO
-8 8.5 2439438 1966-11-08 2439473 1966-12-13 -35 SVO
-7 8.5 2439786 1967-10-22 2439822 1967-11-27 -36 SVO
-6 8.7 2440147 1968-10-17 2440171 1968-11-10 -24 SVO
-5 8.2 2440478 1969-09-13 2440520 1969-10-25 -42 SVO
-4 9.3 2440843 1970-09-13 2440869 1970-10-09 -26 SVO
-3 8.3 2441175 1971-08-11 2441219 1971-09-24 -44 SVO
-2 9.3 2441538 1972-08-08 2441568 1972-09-07 -30 SVO
-1 8.4 2441880 1973-07-16 2441917 1973-08-22 -37 SVO
0 7.8 2442198 1974-05-30 2442266 1974-08-06 -68 SVO
1 8.7 2442584 1975-06-20 2442615 1975-07-21 -31 SVO
2 8.1 2442909 1976-05-10 2442964 1976-07-04 -55 SVO
3 8.6 2443289 1977-05-25 2443314 1977-06-19 -25 SVO
4 8.1 2443637 1978-05-08 2443663 1978-06-03 -26 SVO
5 8.3 2443991 1979-04-27 2444012 1979-05-18 -21 SVO
6 8.2 2444337 1980-04-07 2444361 1980-05-01 -24 SVO
7 8.9 2444711 1981-04-16 2444710 1981-04-15 1 SVO
8 8.0 2445050 1982-03-21 2445060 1982-03-31 -10 SVO
9 8.5 2445414 1983-03-20 2445409 1983-03-15 5 AAVSO
10 8.6 2445774 1984-03-14 2445758 1984-02-27 16 AAVSO
11 8.1 2446101 1985-02-04 2446107 1985-02-10 -6 SVO
12 8.4 2446463 1986-02-01 2446456 1986-01-25 7 SVO
13 8.2 2446812 1987-01-16 2446805 1987-01-09 7 SVO
14 8.4 2447150 1987-12-20 2447155 1987-12-25 -5 SVO
15 9.1 2447514 1988-12-18 2447504 1988-12-08 10 SVO
16 8.7 2447870 1989-12-09 2447853 1989-11-22 17 SVO
17 8.5 2448223 1990-11-27 2448202 1990-11-06 21 SVO
18 8.1 2448560 1991-10-30 2448551 1991-10-21 9 SVO
19 8.4 2448904 1992-10-08 2448900 1992-10-04 4 SVO
20 8.0 2449253 1993-09-22 2449250 1993-09-19 3 SVO
21 8.3 2449612 1994-09-16 2449599 1994-09-03 13 SVO
22 8.2 2449955 1995-08-25 2449948 1995-08-18 7 SVO
23 8.4 2450311 1996-08-15 2450297 1996-08-01 14 SVO
24 8.4 2450653 1997-07-23 2450646 1997-07-16 7 SVO
25 8.0 2450991 1998-06-26 2450996 1998-07-01 -5 SVO
26 8.6 2451375 1999-07-15 2451345 1999-06-15 30 SVO
27 7.9 2451693 2000-05-28 2451694 2000-05-29 -1 SVO
28 8.2 2452043 2001-05-13 2452043 2001-05-13 0 SVO
29 8.2 2452396 2002-05-01 2452392 2002-04-27 4 SVO
30 8.3 2452744 2003-04-14 2452741 2003-04-11 3 SVO
31 8.4 2453092 2004-03-27 2453091 2004-03-26 1 SVO
32   2453439 2005-03-09 2453440 2005-03-10 -1 AAVSO
33 8.3 2453785 2006-02-18 2453789 2006-02-22 -4 SVO
34 8.4 2454137 2007-02-05 2454138 2007-02-06 -1 SVO
35 8.1 2454488 2008-01-22 2454487 2008-01-21 1 SVO
36 8.0 2454816 2008-12-15 2454837 2009-01-05 -21 SVO
37 8.5 2455188 2009-12-22 2455186 2009-12-20 2 SVO
38 8.3 2455543 2010-12-12 2455535 2010-12-04 8 SVO
39 8.0 2455886 2011-11-20 2455884 2011-11-18 2 SVO
40 8.2 2456244 2012-11-12 2456233 2012-11-01 11 SVO
41 8.1 2456590 2013-10-24 2456582 2013-10-16 8 SVO
42 8.8 2456955 2014-10-24 2456932 2014-10-01 23 SVO
43 8.1 2457311 2015-10-15 2457281 2015-09-15 30 SVO
44 8.1 2457657 2016-09-25 2457630 2016-08-29 27 SVO
45 8.2 2458008 2017-09-11 2457979 2017-08-13 29 SVO
46 8.5 2458364 2018-09-02 2458328 2018-07-28 36 SVO
47 8.7 2458722 2019-08-26 2458678 2019-07-13 44 SVO
48 8.0 2459050 2020-07-19 2459027 2020-06-26 23 SVO
49 8.7 2459417 2021-07-21 2459376 2021-06-10 41 SVO
50 7.9 2459740 2022-06-09 2459725 2022-05-25 15 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.