Maxima for X Cet
Period: 177.51, Epoch: 2441955.6
AAVSO offset: 3

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-158   2413963 1897-02-07 2413910 1896-12-16 53 AnHar, 1909, vol 55, p 95
-156   2414320 1898-01-30 2414265 1897-12-06 55 AnHar, 1909, vol 55, p 95
-154   2414667 1899-01-12 2414620 1898-11-26 47 AnHar, 1909, vol 55, p 95
-152   2415030 1900-01-10 2414975 1899-11-16 55 AnHar, 1952, vol 118
-150   2415373 1900-12-19 2415330 1900-11-06 43 AnHar, 1909, vol 55, p 95
-148   2415730 1901-12-11 2415685 1901-10-27 45 AnHar, 1909, vol 55, p 95
-146   2416072 1902-11-18 2416040 1902-10-17 32 AnHar, 1909, vol 55, p 95
-144   2416445 1903-11-26 2416395 1903-10-07 50 AnHar, 1909, vol 55, p 95
-143   2416582 1904-04-11 2416572 1904-04-01 10 AAVSO
-142 8.3 2416781 1904-10-27 2416750 1904-09-26 31 AAVSO
-141   2416955 1905-04-19 2416927 1905-03-22 28 AAVSO
-140 9.0 2417126 1905-10-07 2417105 1905-09-16 21 AAVSO
-138   2417460 1906-09-06 2417460 1906-09-06 0 AnHar, 1952, vol 118
-137 8.7 2417655 1907-03-20 2417637 1907-03-02 18 AAVSO
-136   2417831 1907-09-12 2417815 1907-08-27 16 AAVSO
-135 9.0 2418011 1908-03-10 2417992 1908-02-20 19 AAVSO
-134   2418199 1908-09-14 2418170 1908-08-16 29 AAVSO
-133 8.8 2418381 1909-03-15 2418347 1909-02-09 34 AAVSO
-132   2418543 1909-08-24 2418525 1909-08-06 18 AAVSO
-131 8.6 2418729 1910-02-26 2418702 1910-01-30 27 AAVSO
-130   2418897 1910-08-13 2418880 1910-07-27 17 AAVSO
-129 8.9 2419074 1911-02-06 2419057 1911-01-20 17 AAVSO
-127 9.1 2419411 1912-01-09 2419412 1912-01-10 -1 SVO
-125 8.9 2419774 1913-01-06 2419767 1912-12-30 7 AAVSO
-124   2419947 1913-06-28 2419945 1913-06-26 2 AAVSO
-123 9.1 2420135 1914-01-02 2420122 1913-12-20 13 AAVSO
-121 8.7 2420503 1915-01-05 2420477 1914-12-10 26 AAVSO
-119 8.3 2420825 1915-11-23 2420832 1915-11-30 -7 AAVSO
-118   2421003 1916-05-19 2421010 1916-05-26 -7 AAVSO
-117 9.0 2421181 1916-11-13 2421187 1916-11-19 -6 SVO
-116   2421349 1917-04-30 2421365 1917-05-16 -16 AAVSO
-115 9.2 2421531 1917-10-29 2421542 1917-11-09 -11 AAVSO
-114 9.0 2421701 1918-04-17 2421720 1918-05-06 -19 AAVSO
-113 8.5 2421875 1918-10-08 2421897 1918-10-30 -22 AAVSO
-112   2422048 1919-03-30 2422075 1919-04-26 -27 AAVSO
-111 8.9 2422231 1919-09-29 2422252 1919-10-20 -21 AAVSO
-110 8.8 2422395 1920-03-11 2422430 1920-04-15 -35 AAVSO
-109 9.0 2422573 1920-09-05 2422607 1920-10-09 -34 AAVSO
-108 8.9 2422743 1921-02-22 2422785 1921-04-05 -42 AAVSO
-107 8.9 2422916 1921-08-14 2422962 1921-09-29 -46 AAVSO
-106 8.7 2423101 1922-02-15 2423140 1922-03-26 -39 SVO
-105 8.9 2423271 1922-08-04 2423318 1922-09-20 -47 AAVSO
-104 8.9 2423458 1923-02-07 2423495 1923-03-16 -37 SVO
-103 8.9 2423637 1923-08-05 2423673 1923-09-10 -36 AAVSO
-102 8.7 2423810 1924-01-25 2423850 1924-03-05 -40 SVO
-101   2423983 1924-07-16 2424028 1924-08-30 -45 AAVSO
-100 8.6 2424166 1925-01-15 2424205 1925-02-23 -39 SVO
-99   2424343 1925-07-11 2424383 1925-08-20 -40 AAVSO
-98 9.0 2424532 1926-01-16 2424560 1926-02-13 -28 SVO
-97 9.0 2424708 1926-07-11 2424738 1926-08-10 -30 AAVSO
-96 8.9 2424883 1927-01-02 2424915 1927-02-03 -32 AAVSO
-95   2425064 1927-07-02 2425093 1927-07-31 -29 AAVSO
-94 8.9 2425246 1927-12-31 2425270 1928-01-24 -24 SVO
-93   2425420 1928-06-22 2425448 1928-07-20 -28 AAVSO
-92 8.7 2425595 1928-12-14 2425625 1929-01-13 -30 SVO
-91   2425763 1929-05-31 2425803 1929-07-10 -40 AAVSO
-90 8.6 2425948 1929-12-02 2425980 1930-01-03 -32 SVO
-89   2426126 1930-05-29 2426158 1930-06-30 -32 AAVSO
-88 8.7 2426304 1930-11-23 2426335 1930-12-24 -31 SVO
-87   2426482 1931-05-20 2426513 1931-06-20 -31 AAVSO
-86 8.8 2426661 1931-11-15 2426690 1931-12-14 -29 SVO
-85   2426840 1932-05-12 2426868 1932-06-09 -28 AAVSO
-84 9.0 2427033 1932-11-21 2427045 1932-12-03 -12 SVO
-83   2427206 1933-05-13 2427223 1933-05-30 -17 AAVSO
-82 8.8 2427384 1933-11-07 2427400 1933-11-23 -16 SVO
-81   2427556 1934-04-28 2427578 1934-05-20 -22 AAVSO
-80 8.8 2427745 1934-11-03 2427755 1934-11-13 -10 SVO
-79   2427927 1935-05-04 2427933 1935-05-10 -6 AAVSO
-78 8.7 2428120 1935-11-13 2428110 1935-11-03 10 SVO
-77 8.7 2428283 1936-04-24 2428288 1936-04-29 -5 AAVSO
-76 9.0 2428465 1936-10-23 2428465 1936-10-23 0 SVO
-75   2428633 1937-04-09 2428643 1937-04-19 -10 AAVSO
-74 9.0 2428826 1937-10-19 2428820 1937-10-13 6 SVO
-73   2429000 1938-04-11 2428998 1938-04-09 2 AAVSO
-72 9.5 2429175 1938-10-03 2429175 1938-10-03 0 SVO
-71 9.1 2429353 1939-03-30 2429353 1939-03-30 0 AAVSO
-70 9.1 2429537 1939-09-30 2429530 1939-09-23 7 SVO
-69 8.8 2429707 1940-03-18 2429708 1940-03-19 -1 AAVSO
-68 8.9 2429885 1940-09-12 2429885 1940-09-12 0 SVO
-67 9.1 2430053 1941-02-27 2430063 1941-03-09 -10 AAVSO
-66 9.2 2430245 1941-09-07 2430240 1941-09-02 5 SVO
-65 8.9 2430412 1942-02-21 2430418 1942-02-27 -6 AAVSO
-64 8.9 2430596 1942-08-24 2430595 1942-08-23 1 AAVSO
-63 9.0 2430780 1943-02-24 2430773 1943-02-17 7 AAVSO
-62 8.9 2430953 1943-08-16 2430950 1943-08-13 3 AAVSO
-61 9.0 2431113 1944-01-23 2431128 1944-02-07 -15 SVO
-60   2431295 1944-07-23 2431305 1944-08-02 -10 AAVSO
-59 8.9 2431467 1945-01-11 2431483 1945-01-27 -16 SVO
-58   2431655 1945-07-18 2431660 1945-07-23 -5 AAVSO
-57 9.1 2431819 1945-12-29 2431838 1946-01-17 -19 SVO
-55 8.8 2432175 1946-12-20 2432193 1947-01-07 -18 SVO
-53 9.1 2432533 1947-12-13 2432548 1947-12-28 -15 SVO
-51 8.8 2432873 1948-11-17 2432903 1948-12-17 -30 AAVSO
-50   2433063 1949-05-26 2433080 1949-06-12 -17 AAVSO
-49 8.9 2433236 1949-11-15 2433258 1949-12-07 -22 SVO
-48   2433422 1950-05-20 2433435 1950-06-02 -13 AAVSO
-47 9.1 2433604 1950-11-18 2433613 1950-11-27 -9 SVO
-46   2433784 1951-05-17 2433790 1951-05-23 -6 AAVSO
-45 9.2 2433956 1951-11-05 2433968 1951-11-17 -12 SVO
-44   2434128 1952-04-25 2434145 1952-05-12 -17 AAVSO
-43 8.9 2434311 1952-10-25 2434323 1952-11-06 -12 SVO
-42   2434485 1953-04-17 2434500 1953-05-02 -15 AAVSO
-41 8.8 2434674 1953-10-23 2434678 1953-10-27 -4 AAVSO
-40   2434853 1954-04-20 2434855 1954-04-22 -2 AAVSO
-39 9.1 2435039 1954-10-23 2435033 1954-10-17 6 AAVSO
-38   2435219 1955-04-21 2435210 1955-04-12 9 AAVSO
-37 8.9 2435393 1955-10-12 2435388 1955-10-07 5 AAVSO
-36 8.9 2435572 1956-04-08 2435565 1956-04-01 7 AAVSO
-35 8.9 2435740 1956-09-23 2435743 1956-09-26 -3 AAVSO
-34 9.1 2435925 1957-03-27 2435920 1957-03-22 5 AAVSO
-33 8.8 2436092 1957-09-10 2436098 1957-09-16 -6 AAVSO
-32 8.6 2436268 1958-03-05 2436275 1958-03-12 -7 AAVSO
-31 9.1 2436448 1958-09-01 2436453 1958-09-06 -5 AAVSO
-30 9.0 2436629 1959-03-01 2436630 1959-03-02 -1 AAVSO
-29 8.9 2436806 1959-08-25 2436808 1959-08-27 -2 AAVSO
-28 8.9 2436985 1960-02-20 2436985 1960-02-20 0 AAVSO
-27 9.0 2437174 1960-08-27 2437163 1960-08-16 11 AAVSO
-26 9.3 2437352 1961-02-21 2437340 1961-02-09 12 AAVSO
-25 9.1 2437533 1961-08-21 2437518 1961-08-06 15 AAVSO
-24 8.9 2437696 1962-01-31 2437695 1962-01-30 1 SVO
-23 9.4 2437879 1962-08-02 2437873 1962-07-27 6 AAVSO
-22 8.8 2438061 1963-01-31 2438050 1963-01-20 11 SVO
-21   2438240 1963-07-29 2438228 1963-07-17 12 AAVSO
-20 8.9 2438427 1964-02-01 2438405 1964-01-10 22 SVO
-19 8.7 2438601 1964-07-24 2438583 1964-07-06 18 AAVSO
-18 8.8 2438785 1965-01-24 2438760 1964-12-30 25 SVO
-17   2438955 1965-07-13 2438938 1965-06-26 17 AAVSO
-16 8.9 2439127 1966-01-01 2439116 1965-12-21 11 SVO
-15 9.2 2439308 1966-07-01 2439293 1966-06-16 15 AAVSO
-14 8.8 2439484 1966-12-24 2439471 1966-12-11 13 SVO
-13   2439661 1967-06-19 2439648 1967-06-06 13 AAVSO
-12 8.8 2439840 1967-12-15 2439826 1967-12-01 14 SVO
-11   2440014 1968-06-06 2440003 1968-05-26 11 AAVSO
-10 8.6 2440191 1968-11-30 2440181 1968-11-20 10 SVO
-9   2440371 1969-05-29 2440358 1969-05-16 13 AAVSO
-8 8.8 2440542 1969-11-16 2440536 1969-11-10 6 SVO
-7   2440729 1970-05-22 2440713 1970-05-06 16 AAVSO
-6 8.9 2440907 1970-11-16 2440891 1970-10-31 16 SVO
-5   2441084 1971-05-12 2441068 1971-04-26 16 AAVSO
-4 8.9 2441266 1971-11-10 2441246 1971-10-21 20 SVO
-3 8.0 2441442 1972-05-04 2441423 1972-04-15 19 AAVSO
-2 9.1 2441613 1972-10-22 2441601 1972-10-10 12 SVO
-1 8.9 2441794 1973-04-21 2441778 1973-04-05 16 AAVSO
0 8.6 2441961 1973-10-05 2441956 1973-09-30 5 SVO
1 8.8 2442143 1974-04-05 2442133 1974-03-26 10 AAVSO
2 9.0 2442315 1974-09-24 2442311 1974-09-20 4 SVO
3 8.7 2442499 1975-03-27 2442488 1975-03-16 11 AAVSO
4 8.9 2442672 1975-09-16 2442666 1975-09-10 6 AAVSO
5 8.7 2442851 1976-03-13 2442843 1976-03-05 8 AAVSO
6 8.9 2443026 1976-09-04 2443021 1976-08-30 5 AAVSO
7 8.9 2443206 1977-03-03 2443198 1977-02-23 8 AAVSO
8 8.6 2443379 1977-08-23 2443376 1977-08-20 3 AAVSO
9 9.2 2443550 1978-02-10 2443553 1978-02-13 -3 SVO
10 8.8 2443731 1978-08-10 2443731 1978-08-10 0 AAVSO
11 8.8 2443900 1979-01-26 2443908 1979-02-03 -8 SVO
12 8.9 2444078 1979-07-23 2444086 1979-07-31 -8 AAVSO
13 8.7 2444252 1980-01-13 2444263 1980-01-24 -11 SVO
14 9.1 2444423 1980-07-02 2444441 1980-07-20 -18 AAVSO
15 8.7 2444606 1981-01-01 2444618 1981-01-13 -12 SVO
16 9.2 2444779 1981-06-23 2444796 1981-07-10 -17 AAVSO
17 8.8 2444958 1981-12-19 2444973 1982-01-03 -15 SVO
18   2445133 1982-06-12 2445151 1982-06-30 -18 AAVSO
19 8.7 2445309 1982-12-05 2445328 1982-12-24 -19 SVO
20   2445495 1983-06-09 2445506 1983-06-20 -11 AAVSO
21 8.7 2445670 1983-12-01 2445683 1983-12-14 -13 SVO
22   2445851 1984-05-30 2445861 1984-06-09 -10 AAVSO
23 9.0 2446035 1984-11-30 2446038 1984-12-03 -3 SVO
24   2446216 1985-05-30 2446216 1985-05-30 0 AAVSO
25 8.8 2446394 1985-11-24 2446393 1985-11-23 1 SVO
26   2446573 1986-05-22 2446571 1986-05-20 2 AAVSO
27 8.9 2446750 1986-11-15 2446748 1986-11-13 2 SVO
28 9.0 2446930 1987-05-14 2446926 1987-05-10 4 AAVSO
29 8.8 2447104 1987-11-04 2447103 1987-11-03 1 SVO
30   2447288 1988-05-06 2447281 1988-04-29 7 AAVSO
31 8.7 2447477 1988-11-11 2447458 1988-10-23 19 SVO
32   2447653 1989-05-06 2447636 1989-04-19 17 AAVSO
33 8.8 2447827 1989-10-27 2447813 1989-10-13 14 SVO
34   2448001 1990-04-19 2447991 1990-04-09 10 AAVSO
35 9.3 2448196 1990-10-31 2448168 1990-10-03 28 SVO
36   2448384 1991-05-07 2448346 1991-03-30 38 AAVSO
37 8.7 2448558 1991-10-28 2448523 1991-09-23 35 SVO
38   2448738 1992-04-25 2448701 1992-03-19 37 AAVSO
39 9.0 2448913 1992-10-17 2448878 1992-09-12 35 SVO
40   2449095 1993-04-17 2449056 1993-03-09 39 AAVSO
41 8.8 2449266 1993-10-05 2449233 1993-09-02 33 SVO
42   2449445 1994-04-02 2449411 1994-02-27 34 AAVSO
43 8.7 2449619 1994-09-23 2449588 1994-08-23 31 SVO
44   2449801 1995-03-24 2449766 1995-02-17 35 AAVSO
45 9.0 2449984 1995-09-23 2449943 1995-08-13 41 SVO
46   2450155 1996-03-12 2450121 1996-02-07 34 AAVSO
47 8.5 2450334 1996-09-07 2450298 1996-08-02 36 SVO
48   2450508 1997-02-28 2450476 1997-01-27 32 AAVSO
49 8.8 2450675 1997-08-14 2450653 1997-07-23 22 SVO
50 8.8 2450855 1998-02-10 2450831 1998-01-17 24 SVO
51   2451027 1998-08-01 2451008 1998-07-13 19 AAVSO
52 9.3 2451220 1999-02-10 2451186 1999-01-07 34 SVO
53   2451396 1999-08-05 2451363 1999-07-03 33 AAVSO
54 8.9 2451576 2000-02-01 2451541 1999-12-28 35 SVO
55   2451755 2000-07-29 2451718 2000-06-22 37 AAVSO
56 8.8 2451926 2001-01-16 2451896 2000-12-17 30 SVO
57   2452101 2001-07-10 2452073 2001-06-12 28 AAVSO
58 8.9 2452281 2002-01-06 2452251 2001-12-07 30 SVO
59   2452459 2002-07-03 2452428 2002-06-02 31 AAVSO
60 9.0 2452637 2002-12-28 2452606 2002-11-27 31 SVO
61   2452813 2003-06-22 2452783 2003-05-23 30 AAVSO
62 9.0 2452998 2003-12-24 2452961 2003-11-17 37 SVO
63   2453181 2004-06-24 2453138 2004-05-12 43 AAVSO
64 8.7 2453345 2004-12-05 2453316 2004-11-06 29 SVO
65   2453519 2005-05-28 2453493 2005-05-02 26 AAVSO
66 9.1 2453702 2005-11-27 2453671 2005-10-27 31 SVO
67   2453889 2006-06-02 2453848 2006-04-22 41 AAVSO
68 8.7 2454049 2006-11-09 2454026 2006-10-17 23 SVO
69   2454235 2007-05-14 2454203 2007-04-12 32 AAVSO
70 9.0 2454394 2007-10-20 2454381 2007-10-07 13 SVO
71   2454564 2008-04-07 2454558 2008-04-01 6 AAVSO
72 8.8 2454744 2008-10-04 2454736 2008-09-26 8 SVO
73 9.4 2454918 2009-03-27 2454914 2009-03-23 4 AAVSO
74 8.8 2455082 2009-09-07 2455091 2009-09-16 -9 SVO
75 9.5 2455259 2010-03-03 2455269 2010-03-13 -10 AAVSO
76 9.1 2455437 2010-08-28 2455446 2010-09-06 -9 AAVSO
77 9.0 2455603 2011-02-10 2455624 2011-03-03 -21 SVO
78 9.1 2455780 2011-08-06 2455801 2011-08-27 -21 AAVSO
79 9.1 2455952 2012-01-25 2455979 2012-02-21 -27 SVO
80 9.2 2456134 2012-07-25 2456156 2012-08-16 -22 AAVSO
81 9.0 2456305 2013-01-12 2456334 2013-02-10 -29 SVO
82 9.3 2456486 2013-07-12 2456511 2013-08-06 -25 AAVSO
83 9.1 2456655 2013-12-28 2456689 2014-01-31 -34 SVO
84 9.2 2456835 2014-06-26 2456866 2014-07-27 -31 AAVSO
85 8.9 2457011 2014-12-19 2457044 2015-01-21 -33 SVO
86   2457187 2015-06-13 2457221 2015-07-17 -34 AAVSO
87 9.2 2457366 2015-12-09 2457399 2016-01-11 -33 SVO
88   2457548 2016-06-08 2457576 2016-07-06 -28 AAVSO
89 9.0 2457724 2016-12-01 2457754 2016-12-31 -30 SVO
90   2457901 2017-05-27 2457931 2017-06-26 -30 AAVSO
91 9.2 2458072 2017-11-14 2458109 2017-12-21 -37 SVO
92   2458250 2018-05-11 2458286 2018-06-16 -36 SVO
93 9.3 2458436 2018-11-13 2458464 2018-12-11 -28 SVO
94   2458605 2019-05-01 2458641 2019-06-06 -36 SVO
95 9.2 2458780 2019-10-23 2458819 2019-12-01 -39 SVO
96   2458970 2020-04-30 2458996 2020-05-26 -26 SVO
97 8.8 2459134 2020-10-11 2459174 2020-11-20 -40 SVO
98   2459305 2021-03-31 2459351 2021-05-16 -46 SVO
99 9.0 2459486 2021-09-28 2459529 2021-11-10 -43 SVO
100   2459655 2022-03-16 2459706 2022-05-06 -51 SVO
101 8.8 2459834 2022-09-11 2459884 2022-10-31 -50 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.