E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
-128 | 2405121 | 1872-11-23 | 2405132 | 1872-12-04 | -11 | GuL, 1920, 1.2 | |
-112 | 2409450 | 1884-09-30 | 2409425 | 1884-09-05 | 25 | GuL, 1920, 1.2 | |
-105 | 2411361 | 1889-12-24 | 2411303 | 1889-10-27 | 58 | GuL, 1920, 1.2 | |
-100 | 2412680 | 1893-08-04 | 2412644 | 1893-06-29 | 36 | SVO | |
-97 | 2413500 | 1895-11-02 | 2413449 | 1895-09-12 | 51 | SVO | |
-96 | 2413762 | 1896-07-21 | 2413718 | 1896-06-07 | 44 | SVO | |
-95 | 2414030 | 1897-04-15 | 2413986 | 1897-03-02 | 44 | SVO | |
-93 | 2414560 | 1898-09-27 | 2414523 | 1898-08-21 | 37 | SVO | |
-92 | 7.8 | 2414828 | 1899-06-22 | 2414791 | 1899-05-16 | 37 | SVO |
-91 | 7.5 | 2415100 | 1900-03-21 | 2415059 | 1900-02-08 | 41 | SVO |
-90 | 2415366 | 1900-12-12 | 2415327 | 1900-11-03 | 39 | AnHar, 1909, vol 55, p 95 | |
-89 | 7.4 | 2415638 | 1901-09-10 | 2415596 | 1901-07-30 | 42 | SVO |
-88 | 2415910 | 1902-06-09 | 2415864 | 1902-04-24 | 46 | AnHar, 1952, vol 115 | |
-86 | 2416427 | 1903-11-08 | 2416401 | 1903-10-13 | 26 | SVO | |
-85 | 8.3 | 2416704 | 1904-08-11 | 2416669 | 1904-07-07 | 35 | SVO |
-82 | 2417500 | 1906-10-16 | 2417474 | 1906-09-20 | 26 | AnHar, 1952, vol 115 | |
-81 | 7.3 | 2417761 | 1907-07-04 | 2417742 | 1907-06-15 | 19 | SVO |
-78 | 2418551 | 1909-09-01 | 2418547 | 1909-08-28 | 4 | SVO | |
-75 | 7.7 | 2419345 | 1911-11-04 | 2419352 | 1911-11-11 | -7 | SVO |
-74 | 7.5 | 2419620 | 1912-08-05 | 2419620 | 1912-08-05 | 0 | SVO |
-71 | 2420425 | 1914-10-19 | 2420425 | 1914-10-19 | 0 | AnHar, 1952, vol 115 | |
-70 | 7.6 | 2420689 | 1915-07-10 | 2420694 | 1915-07-15 | -5 | SVO |
-68 | 2421220 | 1916-12-22 | 2421230 | 1917-01-01 | -10 | SVO | |
-67 | 2421490 | 1917-09-18 | 2421498 | 1917-09-26 | -8 | AnHar, 1952, vol 115 | |
-66 | 2421759 | 1918-06-14 | 2421767 | 1918-06-22 | -8 | AnHar, 1937, vol 105, p 459 | |
-64 | 8.8 | 2422295 | 1919-12-02 | 2422303 | 1919-12-10 | -8 | SVO |
-63 | 2422559 | 1920-08-22 | 2422572 | 1920-09-04 | -13 | SVO | |
-62 | 2422829 | 1921-05-19 | 2422840 | 1921-05-30 | -11 | AAVSO | |
-60 | 7.5 | 2423345 | 1922-10-17 | 2423377 | 1922-11-18 | -32 | AAVSO |
-59 | 2423610 | 1923-07-09 | 2423645 | 1923-08-13 | -35 | SVO | |
-57 | 2424150 | 1924-12-30 | 2424181 | 1925-01-30 | -31 | SVO | |
-56 | 2424440 | 1925-10-16 | 2424450 | 1925-10-26 | -10 | AnHar, 1952, vol 115 | |
-55 | 2424690 | 1926-06-23 | 2424718 | 1926-07-21 | -28 | AnHar, 1952, vol 115 | |
-53 | 2425210 | 1927-11-25 | 2425255 | 1928-01-09 | -45 | SVO | |
-52 | 8.0 | 2425474 | 1928-08-15 | 2425523 | 1928-10-03 | -49 | SVO |
-51 | 8.5 | 2425750 | 1929-05-18 | 2425791 | 1929-06-28 | -41 | SVO |
-50 | 8.3 | 2426014 | 1930-02-06 | 2426060 | 1930-03-24 | -46 | AAVSO |
-49 | 8.4 | 2426283 | 1930-11-02 | 2426328 | 1930-12-17 | -45 | AAVSO |
-48 | 8.4 | 2426564 | 1931-08-10 | 2426596 | 1931-09-11 | -32 | AAVSO |
-45 | 2427360 | 1933-10-14 | 2427401 | 1933-11-24 | -41 | AnHar, 1952, vol 115 | |
-44 | 2427627 | 1934-07-08 | 2427669 | 1934-08-19 | -42 | SVO | |
-42 | 2428170 | 1936-01-02 | 2428206 | 1936-02-07 | -36 | SVO | |
-41 | 8.0 | 2428443 | 1936-10-01 | 2428474 | 1936-11-01 | -31 | AAVSO |
-40 | 2428709 | 1937-06-24 | 2428743 | 1937-07-28 | -34 | SVO | |
-39 | 2428990 | 1938-04-01 | 2429011 | 1938-04-22 | -21 | SVO | |
-38 | 2429255 | 1938-12-22 | 2429279 | 1939-01-15 | -24 | SVO | |
-37 | 2429522 | 1939-09-15 | 2429548 | 1939-10-11 | -26 | SVO | |
-36 | 2429800 | 1940-06-19 | 2429816 | 1940-07-05 | -16 | SVO | |
-35 | 8.0 | 2430074 | 1941-03-20 | 2430084 | 1941-03-30 | -10 | AAVSO |
-34 | 8.4 | 2430325 | 1941-11-26 | 2430352 | 1941-12-23 | -27 | AAVSO |
-33 | 8.1 | 2430614 | 1942-09-11 | 2430621 | 1942-09-18 | -7 | AAVSO |
-32 | 8.2 | 2430884 | 1943-06-08 | 2430889 | 1943-06-13 | -5 | AAVSO |
-31 | 9.1 | 2431144 | 1944-02-23 | 2431157 | 1944-03-07 | -13 | AAVSO |
-30 | 8.9 | 2431416 | 1944-11-21 | 2431426 | 1944-12-01 | -10 | AAVSO |
-29 | 7.6 | 2431667 | 1945-07-30 | 2431694 | 1945-08-26 | -27 | AAVSO |
-28 | 8.8 | 2431942 | 1946-05-01 | 2431962 | 1946-05-21 | -20 | AAVSO |
-27 | 8.1 | 2432220 | 1947-02-03 | 2432231 | 1947-02-14 | -11 | SVO |
-26 | 8.6 | 2432491 | 1947-11-01 | 2432499 | 1947-11-09 | -8 | SVO |
-25 | 7.9 | 2432746 | 1948-07-13 | 2432767 | 1948-08-03 | -21 | SVO |
-24 | 8.6 | 2433025 | 1949-04-18 | 2433035 | 1949-04-28 | -10 | SVO |
-23 | 8.4 | 2433294 | 1950-01-12 | 2433304 | 1950-01-22 | -10 | SVO |
-22 | 8.1 | 2433557 | 1950-10-02 | 2433572 | 1950-10-17 | -15 | SVO |
-21 | 8.1 | 2433824 | 1951-06-26 | 2433840 | 1951-07-12 | -16 | SVO |
-20 | 8.0 | 2434095 | 1952-03-23 | 2434109 | 1952-04-06 | -14 | SVO |
-19 | 8.1 | 2434366 | 1952-12-19 | 2434377 | 1952-12-30 | -11 | SVO |
-18 | 8.5 | 2434641 | 1953-09-20 | 2434645 | 1953-09-24 | -4 | SVO |
-17 | 7.6 | 2434893 | 1954-05-30 | 2434914 | 1954-06-20 | -21 | SVO |
-16 | 8.7 | 2435178 | 1955-03-11 | 2435182 | 1955-03-15 | -4 | SVO |
-15 | 8.9 | 2435446 | 1955-12-04 | 2435450 | 1955-12-08 | -4 | SVO |
-14 | 7.8 | 2435709 | 1956-08-23 | 2435718 | 1956-09-01 | -9 | SVO |
-13 | 8.7 | 2435978 | 1957-05-19 | 2435987 | 1957-05-28 | -9 | SVO |
-12 | 8.2 | 2436247 | 1958-02-12 | 2436255 | 1958-02-20 | -8 | SVO |
-11 | 7.7 | 2436508 | 1958-10-31 | 2436523 | 1958-11-15 | -15 | SVO |
-10 | 8.4 | 2436785 | 1959-08-04 | 2436792 | 1959-08-11 | -7 | SVO |
-9 | 7.8 | 2437050 | 1960-04-25 | 2437060 | 1960-05-05 | -10 | SVO |
-8 | 8.3 | 2437328 | 1961-01-28 | 2437328 | 1961-01-28 | 0 | SVO |
-7 | 8.2 | 2437599 | 1961-10-26 | 2437597 | 1961-10-24 | 2 | SVO |
-6 | 8.0 | 2437863 | 1962-07-17 | 2437865 | 1962-07-19 | -2 | SVO |
-5 | 8.4 | 2438136 | 1963-04-16 | 2438133 | 1963-04-13 | 3 | SVO |
-4 | 7.8 | 2438407 | 1964-01-12 | 2438402 | 1964-01-07 | 5 | SVO |
-3 | 8.0 | 2438667 | 1964-09-28 | 2438670 | 1964-10-01 | -3 | SVO |
-2 | 8.2 | 2438934 | 1965-06-22 | 2438938 | 1965-06-26 | -4 | SVO |
-1 | 8.4 | 2439203 | 1966-03-18 | 2439206 | 1966-03-21 | -3 | SVO |
0 | 8.1 | 2439476 | 1966-12-16 | 2439475 | 1966-12-15 | 1 | SVO |
1 | 8.1 | 2439745 | 1967-09-11 | 2439743 | 1967-09-09 | 2 | SVO |
2 | 8.3 | 2440017 | 1968-06-09 | 2440011 | 1968-06-03 | 6 | SVO |
3 | 7.9 | 2440271 | 1969-02-18 | 2440280 | 1969-02-27 | -9 | SVO |
4 | 8.6 | 2440538 | 1969-11-12 | 2440548 | 1969-11-22 | -10 | SVO |
5 | 8.4 | 2440809 | 1970-08-10 | 2440816 | 1970-08-17 | -7 | SVO |
6 | 8.1 | 2441077 | 1971-05-05 | 2441085 | 1971-05-13 | -8 | SVO |
7 | 2441344 | 1972-01-27 | 2441353 | 1972-02-05 | -9 | AAVSO | |
8 | 8.1 | 2441611 | 1972-10-20 | 2441621 | 1972-10-30 | -10 | SVO |
9 | 8.4 | 2441883 | 1973-07-19 | 2441889 | 1973-07-25 | -6 | SVO |
10 | 2442152 | 1974-04-14 | 2442158 | 1974-04-20 | -6 | AAVSO | |
11 | 8.3 | 2442420 | 1975-01-07 | 2442426 | 1975-01-13 | -6 | AAVSO |
12 | 9.4 | 2442686 | 1975-09-30 | 2442694 | 1975-10-08 | -8 | AAVSO |
13 | 2442951 | 1976-06-21 | 2442963 | 1976-07-03 | -12 | AAVSO | |
14 | 2443224 | 1977-03-21 | 2443231 | 1977-03-28 | -7 | AAVSO | |
15 | 8.1 | 2443499 | 1977-12-21 | 2443499 | 1977-12-21 | 0 | AAVSO |
16 | 8.2 | 2443766 | 1978-09-14 | 2443768 | 1978-09-16 | -2 | SVO |
17 | 8.4 | 2444046 | 1979-06-21 | 2444036 | 1979-06-11 | 10 | AAVSO |
18 | 8.7 | 2444303 | 1980-03-04 | 2444304 | 1980-03-05 | -1 | AAVSO |
19 | 7.7 | 2444573 | 1980-11-29 | 2444573 | 1980-11-29 | 0 | SVO |
20 | 8.4 | 2444850 | 1981-09-02 | 2444841 | 1981-08-24 | 9 | SVO |
21 | 9.0 | 2445129 | 1982-06-08 | 2445109 | 1982-05-19 | 20 | AAVSO |
22 | 8.4 | 2445400 | 1983-03-06 | 2445377 | 1983-02-11 | 23 | SVO |
23 | 8.6 | 2445674 | 1983-12-05 | 2445646 | 1983-11-07 | 28 | SVO |
24 | 7.8 | 2445934 | 1984-08-21 | 2445914 | 1984-08-01 | 20 | SVO |
25 | 8.1 | 2446204 | 1985-05-18 | 2446182 | 1985-04-26 | 22 | AAVSO |
26 | 7.3 | 2446465 | 1986-02-03 | 2446451 | 1986-01-20 | 14 | AAVSO |
27 | 8.3 | 2446750 | 1986-11-15 | 2446719 | 1986-10-15 | 31 | SVO |
28 | 9.0 | 2447018 | 1987-08-10 | 2446987 | 1987-07-10 | 31 | SVO |
29 | 2447300 | 1988-05-18 | 2447256 | 1988-04-04 | 44 | AAVSO | |
30 | 2447568 | 1989-02-10 | 2447524 | 1988-12-28 | 44 | AAVSO | |
31 | 8.6 | 2447838 | 1989-11-07 | 2447792 | 1989-09-22 | 46 | SVO |
32 | 7.9 | 2448106 | 1990-08-02 | 2448060 | 1990-06-17 | 46 | SVO |
33 | 2448367 | 1991-04-20 | 2448329 | 1991-03-13 | 38 | AAVSO | |
34 | 8.1 | 2448636 | 1992-01-14 | 2448597 | 1991-12-06 | 39 | SVO |
35 | 8.0 | 2448904 | 1992-10-08 | 2448865 | 1992-08-30 | 39 | SVO |
36 | 8.1 | 2449175 | 1993-07-06 | 2449134 | 1993-05-26 | 41 | SVO |
37 | 2449438 | 1994-03-26 | 2449402 | 1994-02-18 | 36 | AAVSO | |
38 | 8.0 | 2449711 | 1994-12-24 | 2449670 | 1994-11-13 | 41 | SVO |
39 | 8.2 | 2449977 | 1995-09-16 | 2449939 | 1995-08-09 | 38 | SVO |
40 | 8.1 | 2450241 | 1996-06-06 | 2450207 | 1996-05-03 | 34 | SVO |
41 | 2450516 | 1997-03-08 | 2450475 | 1997-01-26 | 41 | AAVSO | |
42 | 7.7 | 2450760 | 1997-11-07 | 2450743 | 1997-10-21 | 17 | SVO |
43 | 8.2 | 2451028 | 1998-08-02 | 2451012 | 1998-07-17 | 16 | SVO |
44 | 2451304 | 1999-05-05 | 2451280 | 1999-04-11 | 24 | AAVSO | |
45 | 8.2 | 2451567 | 2000-01-23 | 2451548 | 2000-01-04 | 19 | SVO |
46 | 8.1 | 2451827 | 2000-10-09 | 2451817 | 2000-09-29 | 10 | SVO |
47 | 7.9 | 2452090 | 2001-06-29 | 2452085 | 2001-06-24 | 5 | SVO |
48 | 2452342 | 2002-03-08 | 2452353 | 2002-03-19 | -11 | AAVSO | |
49 | 7.9 | 2452612 | 2002-12-03 | 2452622 | 2002-12-13 | -10 | SVO |
50 | 8.0 | 2452869 | 2003-08-17 | 2452890 | 2003-09-07 | -21 | SVO |
51 | 2453137 | 2004-05-11 | 2453158 | 2004-06-01 | -21 | AAVSO | |
52 | 8.4 | 2453416 | 2005-02-14 | 2453427 | 2005-02-25 | -11 | SVO |
53 | 8.2 | 2453683 | 2005-11-08 | 2453695 | 2005-11-20 | -12 | SVO |
54 | 7.5 | 2453937 | 2006-07-20 | 2453963 | 2006-08-15 | -26 | SVO |
55 | 8.1 | 2454216 | 2007-04-25 | 2454231 | 2007-05-10 | -15 | SVO |
56 | 7.7 | 2454480 | 2008-01-14 | 2454500 | 2008-02-03 | -20 | SVO |
57 | 8.0 | 2454748 | 2008-10-08 | 2454768 | 2008-10-28 | -20 | SVO |
58 | 8.1 | 2455025 | 2009-07-12 | 2455036 | 2009-07-23 | -11 | SVO |
59 | 2455301 | 2010-04-14 | 2455305 | 2010-04-18 | -4 | AAVSO | |
60 | 8.0 | 2455562 | 2010-12-31 | 2455573 | 2011-01-11 | -11 | AAVSO |
61 | 8.0 | 2455829 | 2011-09-24 | 2455841 | 2011-10-06 | -12 | SVO |
62 | 8.5 | 2456097 | 2012-06-18 | 2456110 | 2012-07-01 | -13 | AAVSO |
63 | 2456365 | 2013-03-13 | 2456378 | 2013-03-26 | -13 | AAVSO | |
64 | 8.5 | 2456642 | 2013-12-15 | 2456646 | 2013-12-19 | -4 | SVO |
65 | 7.7 | 2456899 | 2014-08-29 | 2456914 | 2014-09-13 | -15 | SVO |
66 | 8.8 | 2457168 | 2015-05-25 | 2457183 | 2015-06-09 | -15 | AAVSO |
67 | 8.0 | 2457446 | 2016-02-27 | 2457451 | 2016-03-03 | -5 | SVO |
68 | 8.2 | 2457709 | 2016-11-16 | 2457719 | 2016-11-26 | -10 | SVO |
69 | 8.0 | 2457982 | 2017-08-16 | 2457988 | 2017-08-22 | -6 | SVO |
70 | 2458250 | 2018-05-11 | 2458256 | 2018-05-17 | -6 | SVO | |
71 | 7.7 | 2458518 | 2019-02-03 | 2458524 | 2019-02-09 | -6 | SVO |
72 | 8.1 | 2458789 | 2019-11-01 | 2458793 | 2019-11-05 | -4 | SVO |
73 | 8.1 | 2459062 | 2020-07-31 | 2459061 | 2020-07-30 | 1 | SVO |
74 | 8.3 | 2459334 | 2021-04-29 | 2459329 | 2021-04-24 | 5 | SVO |
75 | 8.4 | 2459612 | 2022-02-01 | 2459597 | 2022-01-17 | 15 | SVO |
76 | 7.8 | 2459876 | 2022-10-23 | 2459866 | 2022-10-13 | 10 | 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. |