Maxima for X Oph
Period: 333.61, Epoch: 2444799.8
AAVSO offset: 0

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-104   2410062 1886-06-04 2410105 1886-07-17 -43 AnHar, 1909, vol 55, p 95
-103   2410356 1887-03-25 2410439 1887-06-16 -83 GuL, 1920, 1.2
-98   2412063 1891-11-26 2412107 1892-01-09 -44 AnHar, 1909, vol 55, p 95
-96   2412728 1893-09-21 2412774 1893-11-06 -46 GuL, 1920, 1.2
-95   2413082 1894-09-10 2413107 1894-10-05 -25 AnHar, 1909, vol 55, p 95
-94   2413411 1895-08-05 2413441 1895-09-04 -30 AnHar, 1909, vol 55, p 95
-93   2413743 1896-07-02 2413775 1896-08-03 -32 AnHar, 1909, vol 55, p 95
-92   2414090 1897-06-14 2414108 1897-07-02 -18 AnHar, 1909, vol 55, p 95
-90   2414770 1899-04-25 2414775 1899-04-30 -5 SVO
-89   2415110 1900-03-31 2415109 1900-03-30 1 SVO
-87   2415762 1902-01-12 2415776 1902-01-26 -14 SVO
-85   2416419 1903-10-31 2416443 1903-11-24 -24 GuL, 1920, 1.2
-84 6.8 2416760 1904-10-06 2416777 1904-10-23 -17 AAVSO
-83 7.3 2417089 1905-08-31 2417111 1905-09-22 -22 AAVSO
-82 7.1 2417444 1906-08-21 2417444 1906-08-21 0 SVO
-81 6.8 2417761 1907-07-04 2417778 1907-07-21 -17 AAVSO
-80 6.6 2418087 1908-05-25 2418111 1908-06-18 -24 SVO
-79 6.4 2418449 1909-05-22 2418445 1909-05-18 4 AAVSO
-78   2418776 1910-04-14 2418779 1910-04-17 -3 AAVSO
-76 6.9 2419439 1912-02-06 2419446 1912-02-13 -7 SVO
-75 6.5 2419761 1912-12-24 2419779 1913-01-11 -18 SVO
-74 6.8 2420096 1913-11-24 2420113 1913-12-11 -17 SVO
-73 6.7 2420445 1914-11-08 2420447 1914-11-10 -2 SVO
-72 6.8 2420775 1915-10-04 2420780 1915-10-09 -5 SVO
-71 7.0 2421129 1916-09-22 2421114 1916-09-07 15 SVO
-70 7.1 2421468 1917-08-27 2421447 1917-08-06 21 SVO
-69 6.7 2421801 1918-07-26 2421781 1918-07-06 20 SVO
-68 6.6 2422138 1919-06-28 2422115 1919-06-05 23 SVO
-67 6.7 2422473 1920-05-28 2422448 1920-05-03 25 SVO
-66 6.9 2422821 1921-05-11 2422782 1921-04-02 39 SVO
-65 6.6 2423152 1922-04-07 2423115 1922-03-01 37 SVO
-64 6.7 2423495 1923-03-16 2423449 1923-01-29 46 SVO
-63 6.7 2423827 1924-02-11 2423783 1923-12-29 44 SVO
-62 6.9 2424163 1925-01-12 2424116 1924-11-26 47 SVO
-61 6.9 2424494 1925-12-09 2424450 1925-10-26 44 SVO
-60 6.8 2424830 1926-11-10 2424784 1926-09-25 46 SVO
-59 7.0 2425169 1927-10-15 2425117 1927-08-24 52 SVO
-58 6.8 2425507 1928-09-17 2425451 1928-07-23 56 SVO
-57 6.8 2425843 1929-08-19 2425784 1929-06-21 59 SVO
-56 7.0 2426166 1930-07-08 2426118 1930-05-21 48 SVO
-55 6.7 2426491 1931-05-29 2426452 1931-04-20 39 SVO
-54 6.8 2426823 1932-04-25 2426785 1932-03-18 38 SVO
-53 6.8 2427150 1933-03-18 2427119 1933-02-15 31 SVO
-52 7.0 2427484 1934-02-15 2427452 1934-01-14 32 SVO
-51 6.9 2427834 1935-01-31 2427786 1934-12-14 48 SVO
-50 6.9 2428146 1935-12-09 2428120 1935-11-13 26 SVO
-49 6.9 2428489 1936-11-16 2428453 1936-10-11 36 SVO
-48 6.7 2428810 1937-10-03 2428787 1937-09-10 23 SVO
-47 7.0 2429140 1938-08-29 2429120 1938-08-09 20 SVO
-46 6.9 2429468 1939-07-23 2429454 1939-07-09 14 SVO
-45 6.9 2429800 1940-06-19 2429788 1940-06-07 12 SVO
-44 7.0 2430137 1941-05-22 2430121 1941-05-06 16 SVO
-43 7.0 2430468 1942-04-18 2430455 1942-04-05 13 SVO
-42   2430784 1943-02-28 2430788 1943-03-04 -4 AAVSO
-41 7.0 2431136 1944-02-15 2431122 1944-02-01 14 SVO
-40   2431479 1945-01-23 2431456 1944-12-31 23 AAVSO
-39 6.6 2431817 1945-12-27 2431789 1945-11-29 28 AAVSO
-38 6.9 2432117 1946-10-23 2432123 1946-10-29 -6 SVO
-37 7.0 2432453 1947-09-24 2432456 1947-09-27 -3 AAVSO
-36 6.7 2432791 1948-08-27 2432790 1948-08-26 1 SVO
-35 7.0 2433129 1949-07-31 2433124 1949-07-26 5 SVO
-34 7.1 2433460 1950-06-27 2433457 1950-06-24 3 SVO
-33 6.9 2433791 1951-05-24 2433791 1951-05-24 0 SVO
-32 7.1 2434131 1952-04-28 2434124 1952-04-21 7 AAVSO
-31 6.9 2434459 1953-03-22 2434458 1953-03-21 1 SVO
-30 7.0 2434808 1954-03-06 2434792 1954-02-18 16 SVO
-29 7.0 2435138 1955-01-30 2435125 1955-01-17 13 SVO
-28 7.0 2435469 1955-12-27 2435459 1955-12-17 10 AAVSO
-27 7.2 2435805 1956-11-27 2435792 1956-11-14 13 SVO
-26 7.0 2436138 1957-10-26 2436126 1957-10-14 12 SVO
-25 7.1 2436473 1958-09-26 2436460 1958-09-13 13 SVO
-24 7.0 2436811 1959-08-30 2436793 1959-08-12 18 SVO
-23 6.9 2437157 1960-08-10 2437127 1960-07-11 30 SVO
-22 6.9 2437492 1961-07-11 2437461 1961-06-10 31 SVO
-21 7.0 2437822 1962-06-06 2437794 1962-05-09 28 AAVSO
-20 7.0 2438155 1963-05-05 2438128 1963-04-08 27 SVO
-19 7.0 2438484 1964-03-29 2438461 1964-03-06 23 SVO
-18 7.0 2438825 1965-03-05 2438795 1965-02-03 30 SVO
-17 7.1 2439136 1966-01-10 2439129 1966-01-03 7 SVO
-16 7.0 2439475 1966-12-15 2439462 1966-12-02 13 SVO
-15 7.0 2439815 1967-11-20 2439796 1967-11-01 19 SVO
-14 6.9 2440139 1968-10-09 2440129 1968-09-29 10 SVO
-13 7.1 2440466 1969-09-01 2440463 1969-08-29 3 SVO
-12 6.9 2440799 1970-07-31 2440797 1970-07-29 2 SVO
-11 7.0 2441139 1971-07-06 2441130 1971-06-27 9 SVO
-10 7.0 2441467 1972-05-29 2441464 1972-05-26 3 SVO
-9 7.0 2441786 1973-04-13 2441797 1973-04-24 -11 SVO
-8 7.1 2442089 1974-02-10 2442131 1974-03-24 -42 SVO
-7 7.0 2442437 1975-01-24 2442465 1975-02-21 -28 SVO
-6 7.6 2442779 1976-01-01 2442798 1976-01-20 -19 AAVSO
-5 7.0 2443092 1976-11-09 2443132 1976-12-19 -40 SVO
-4 6.9 2443417 1977-09-30 2443465 1977-11-17 -48 SVO
-3 7.0 2443740 1978-08-19 2443799 1978-10-17 -59 SVO
-2 7.0 2444071 1979-07-16 2444133 1979-09-16 -62 SVO
-1 6.9 2444397 1980-06-06 2444466 1980-08-14 -69 SVO
0 7.0 2444736 1981-05-11 2444800 1981-07-14 -64 SVO
1 7.0 2445075 1982-04-15 2445133 1982-06-12 -58 SVO
2 7.0 2445404 1983-03-10 2445467 1983-05-12 -63 SVO
3 6.9 2445732 1984-02-01 2445801 1984-04-10 -69 SVO
4 6.9 2446064 1984-12-29 2446134 1985-03-09 -70 SVO
5 7.0 2446398 1985-11-28 2446468 1986-02-06 -70 SVO
6 6.9 2446726 1986-10-22 2446801 1987-01-05 -75 SVO
7 6.7 2447056 1987-09-17 2447135 1987-12-05 -79 SVO
8 7.1 2447392 1988-08-18 2447469 1988-11-03 -77 SVO
9 7.0 2447723 1989-07-15 2447802 1989-10-02 -79 SVO
10 7.0 2448054 1990-06-11 2448136 1990-09-01 -82 SVO
11 7.2 2448393 1991-05-16 2448469 1991-07-31 -76 SVO
12 7.0 2448729 1992-04-16 2448803 1992-06-29 -74 SVO
13 7.1 2449067 1993-03-20 2449137 1993-05-29 -70 SVO
14 7.2 2449413 1994-03-01 2449470 1994-04-27 -57 SVO
15 6.9 2449746 1995-01-28 2449804 1995-03-27 -58 SVO
16 6.9 2450082 1995-12-30 2450138 1996-02-24 -56 SVO
17 6.9 2450416 1996-11-28 2450471 1997-01-22 -55 SVO
18 6.9 2450754 1997-11-01 2450805 1997-12-22 -51 SVO
19 7.0 2451098 1998-10-11 2451138 1998-11-20 -40 SVO
20 6.8 2451441 1999-09-19 2451472 1999-10-20 -31 SVO
21 7.0 2451784 2000-08-27 2451806 2000-09-18 -22 SVO
22 7.2 2452133 2001-08-11 2452139 2001-08-17 -6 SVO
23 6.9 2452467 2002-07-11 2452473 2002-07-17 -6 SVO
24 7.0 2452810 2003-06-19 2452806 2003-06-15 4 SVO
25 6.9 2453149 2004-05-23 2453140 2004-05-14 9 SVO
26 6.8 2453487 2005-04-26 2453474 2005-04-13 13 SVO
27 6.7 2453822 2006-03-27 2453807 2006-03-12 15 SVO
28 6.7 2454162 2007-03-02 2454141 2007-02-09 21 SVO
29 6.9 2454509 2008-02-12 2454474 2008-01-08 35 SVO
30 6.7 2454849 2009-01-17 2454808 2008-12-07 41 SVO
31 6.9 2455184 2009-12-18 2455142 2009-11-06 42 SVO
32 6.6 2455526 2010-11-25 2455475 2010-10-05 51 SVO
33 6.9 2455865 2011-10-30 2455809 2011-09-04 56 SVO
34 6.6 2456209 2012-10-08 2456142 2012-08-02 67 SVO
35 7.1 2456531 2013-08-26 2456476 2013-07-02 55 SVO
36 6.8 2456869 2014-07-30 2456810 2014-06-01 59 SVO
37 6.8 2457197 2015-06-23 2457143 2015-04-30 54 SVO
38 6.8 2457540 2016-05-31 2457477 2016-03-29 63 SVO
39 6.8 2457861 2017-04-17 2457810 2017-02-25 51 SVO
40 6.6 2458192 2018-03-14 2458144 2018-01-25 48 SVO
41 6.7 2458513 2019-01-29 2458478 2018-12-25 35 SVO
42   2458843 2019-12-25 2458811 2019-11-23 32 SVO
43 6.6 2459177 2020-11-23 2459145 2020-10-22 32 SVO
44 6.6 2459511 2021-10-23 2459478 2021-09-20 33 SVO
45 6.6 2459846 2022-09-23 2459812 2022-08-20 34 SVO
46 6.6 2460167 2023-08-10 2460146 2023-07-20 21 SVO
47 6.7 2460496 2024-07-04 2460479 2024-06-17 17 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.