E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
-132 | 2410159 | 1886-09-09 | 2410182 | 1886-10-02 | -23 | PLPla, 1950, vol 26, p 5 | |
-122 | 2412580 | 1893-04-26 | 2412585 | 1893-05-01 | -5 | AnHar, 1952, vol 115 | |
-120 | 2413060 | 1894-08-19 | 2413066 | 1894-08-25 | -6 | AnHar, 1909, vol 55, p 95 | |
-119 | 2413299 | 1895-04-15 | 2413306 | 1895-04-22 | -7 | AnHar, 1909, vol 55, p 95 | |
-117 | 7.2 | 2413782 | 1896-08-10 | 2413787 | 1896-08-15 | -5 | SVO |
-116 | 2414030 | 1897-04-15 | 2414027 | 1897-04-12 | 3 | AnHar, 1952, vol 115 | |
-113 | 6.7 | 2414744 | 1899-03-30 | 2414748 | 1899-04-03 | -4 | SVO |
-112 | 7.2 | 2414974 | 1899-11-15 | 2414988 | 1899-11-29 | -14 | SVO |
-111 | 7.1 | 2415222 | 1900-07-21 | 2415229 | 1900-07-28 | -7 | SVO |
-109 | 6.6 | 2415711 | 1901-11-22 | 2415709 | 1901-11-20 | 2 | SVO |
-108 | 6.7 | 2415959 | 1902-07-28 | 2415949 | 1902-07-18 | 10 | SVO |
-107 | 2416215 | 1903-04-10 | 2416190 | 1903-03-16 | 25 | AnHar, 1952, vol 115 | |
-105 | 6.7 | 2416698 | 1904-08-05 | 2416670 | 1904-07-08 | 28 | SVO |
-104 | 2416935 | 1905-03-30 | 2416911 | 1905-03-06 | 24 | AnHar, 1952, vol 115 | |
-102 | 2417420 | 1906-07-28 | 2417391 | 1906-06-29 | 29 | AnHar, 1952, vol 115 | |
-99 | 6.4 | 2418137 | 1908-07-14 | 2418112 | 1908-06-19 | 25 | SVO |
-97 | 2418610 | 1909-10-30 | 2418593 | 1909-10-13 | 17 | AnHar, 1952, vol 115 | |
-96 | 6.9 | 2418853 | 1910-06-30 | 2418833 | 1910-06-10 | 20 | SVO |
-93 | 6.8 | 2419572 | 1912-06-18 | 2419554 | 1912-05-31 | 18 | SVO |
-91 | 2420060 | 1913-10-19 | 2420034 | 1913-09-23 | 26 | AnHar, 1952, vol 115 | |
-88 | 6.7 | 2420768 | 1915-09-27 | 2420755 | 1915-09-14 | 13 | SVO |
-87 | 7.5 | 2421015 | 1916-05-31 | 2420996 | 1916-05-12 | 19 | SVO |
-82 | 2422215 | 1919-09-13 | 2422197 | 1919-08-26 | 18 | AnHar, 1952, vol 115 | |
-80 | 6.9 | 2422699 | 1921-01-09 | 2422678 | 1920-12-19 | 21 | SVO |
-79 | 7.1 | 2422938 | 1921-09-05 | 2422918 | 1921-08-16 | 20 | SVO |
-78 | 7.0 | 2423184 | 1922-05-09 | 2423158 | 1922-04-13 | 26 | AAVSO |
-77 | 6.7 | 2423424 | 1923-01-04 | 2423399 | 1922-12-10 | 25 | SVO |
-76 | 6.8 | 2423660 | 1923-08-28 | 2423639 | 1923-08-07 | 21 | SVO |
-75 | 7.2 | 2423907 | 1924-05-01 | 2423879 | 1924-04-03 | 28 | SVO |
-74 | 7.0 | 2424146 | 1924-12-26 | 2424119 | 1924-11-29 | 27 | SVO |
-73 | 6.8 | 2424383 | 1925-08-20 | 2424360 | 1925-07-28 | 23 | SVO |
-72 | 6.9 | 2424627 | 1926-04-21 | 2424600 | 1926-03-25 | 27 | AAVSO |
-71 | 6.9 | 2424875 | 1926-12-25 | 2424840 | 1926-11-20 | 35 | AAVSO |
-70 | 7.6 | 2425110 | 1927-08-17 | 2425081 | 1927-07-19 | 29 | SVO |
-69 | 7.0 | 2425344 | 1928-04-07 | 2425321 | 1928-03-15 | 23 | AAVSO |
-68 | 7.7 | 2425578 | 1928-11-27 | 2425561 | 1928-11-10 | 17 | SVO |
-67 | 7.5 | 2425821 | 1929-07-28 | 2425801 | 1929-07-08 | 20 | SVO |
-66 | 7.6 | 2426053 | 1930-03-17 | 2426042 | 1930-03-06 | 11 | AAVSO |
-65 | 7.1 | 2426296 | 1930-11-15 | 2426282 | 1930-11-01 | 14 | SVO |
-64 | 7.1 | 2426528 | 1931-07-05 | 2426522 | 1931-06-29 | 6 | SVO |
-63 | 7.6 | 2426763 | 1932-02-25 | 2426763 | 1932-02-25 | 0 | AAVSO |
-62 | 7.9 | 2427007 | 1932-10-26 | 2427003 | 1932-10-22 | 4 | SVO |
-61 | 7.0 | 2427245 | 1933-06-21 | 2427243 | 1933-06-19 | 2 | SVO |
-60 | 6.7 | 2427482 | 1934-02-13 | 2427484 | 1934-02-15 | -2 | AAVSO |
-59 | 7.1 | 2427721 | 1934-10-10 | 2427724 | 1934-10-13 | -3 | SVO |
-58 | 7.0 | 2427960 | 1935-06-06 | 2427964 | 1935-06-10 | -4 | SVO |
-57 | 2428188 | 1936-01-20 | 2428204 | 1936-02-05 | -16 | AAVSO | |
-56 | 7.0 | 2428427 | 1936-09-15 | 2428445 | 1936-10-03 | -18 | SVO |
-55 | 7.2 | 2428666 | 1937-05-12 | 2428685 | 1937-05-31 | -19 | SVO |
-54 | 7.2 | 2428910 | 1938-01-11 | 2428925 | 1938-01-26 | -15 | SVO |
-53 | 7.1 | 2429156 | 1938-09-14 | 2429166 | 1938-09-24 | -10 | SVO |
-52 | 7.3 | 2429393 | 1939-05-09 | 2429406 | 1939-05-22 | -13 | SVO |
-51 | 6.8 | 2429624 | 1939-12-26 | 2429646 | 1940-01-17 | -22 | SVO |
-50 | 8.3 | 2429877 | 1940-09-04 | 2429886 | 1940-09-13 | -9 | SVO |
-49 | 7.5 | 2430115 | 1941-04-30 | 2430127 | 1941-05-12 | -12 | SVO |
-48 | 8.0 | 2430355 | 1941-12-26 | 2430367 | 1942-01-07 | -12 | SVO |
-47 | 7.1 | 2430590 | 1942-08-18 | 2430607 | 1942-09-04 | -17 | SVO |
-46 | 8.0 | 2430837 | 1943-04-22 | 2430848 | 1943-05-03 | -11 | SVO |
-45 | 7.6 | 2431076 | 1943-12-17 | 2431088 | 1943-12-29 | -12 | AAVSO |
-44 | 7.3 | 2431318 | 1944-08-15 | 2431328 | 1944-08-25 | -10 | SVO |
-43 | 6.7 | 2431550 | 1945-04-04 | 2431569 | 1945-04-23 | -19 | SVO |
-42 | 7.0 | 2431790 | 1945-11-30 | 2431809 | 1945-12-19 | -19 | SVO |
-41 | 7.1 | 2432036 | 1946-08-03 | 2432049 | 1946-08-16 | -13 | SVO |
-40 | 7.0 | 2432273 | 1947-03-28 | 2432289 | 1947-04-13 | -16 | SVO |
-39 | 7.2 | 2432514 | 1947-11-24 | 2432530 | 1947-12-10 | -16 | SVO |
-38 | 7.1 | 2432750 | 1948-07-17 | 2432770 | 1948-08-06 | -20 | SVO |
-37 | 7.3 | 2432992 | 1949-03-16 | 2433010 | 1949-04-03 | -18 | SVO |
-36 | 7.1 | 2433226 | 1949-11-05 | 2433251 | 1949-11-30 | -25 | SVO |
-35 | 8.1 | 2433477 | 1950-07-14 | 2433491 | 1950-07-28 | -14 | SVO |
-34 | 7.4 | 2433715 | 1951-03-09 | 2433731 | 1951-03-25 | -16 | SVO |
-33 | 7.1 | 2433960 | 1951-11-09 | 2433972 | 1951-11-21 | -12 | SVO |
-32 | 7.3 | 2434194 | 1952-06-30 | 2434212 | 1952-07-18 | -18 | SVO |
-31 | 6.9 | 2434425 | 1953-02-16 | 2434452 | 1953-03-15 | -27 | SVO |
-30 | 8.2 | 2434677 | 1953-10-26 | 2434692 | 1953-11-10 | -15 | SVO |
-29 | 7.7 | 2434912 | 1954-06-18 | 2434933 | 1954-07-09 | -21 | SVO |
-28 | 6.9 | 2435146 | 1955-02-07 | 2435173 | 1955-03-06 | -27 | SVO |
-27 | 7.4 | 2435389 | 1955-10-08 | 2435413 | 1955-11-01 | -24 | SVO |
-26 | 6.9 | 2435626 | 1956-06-01 | 2435654 | 1956-06-29 | -28 | SVO |
-25 | 7.6 | 2435869 | 1957-01-30 | 2435894 | 1957-02-24 | -25 | AAVSO |
-24 | 7.2 | 2436114 | 1957-10-02 | 2436134 | 1957-10-22 | -20 | SVO |
-23 | 7.0 | 2436359 | 1958-06-04 | 2436374 | 1958-06-19 | -15 | SVO |
-22 | 7.4 | 2436607 | 1959-02-07 | 2436615 | 1959-02-15 | -8 | SVO |
-21 | 7.5 | 2436845 | 1959-10-03 | 2436855 | 1959-10-13 | -10 | SVO |
-20 | 6.8 | 2437088 | 1960-06-02 | 2437095 | 1960-06-09 | -7 | SVO |
-19 | 7.2 | 2437330 | 1961-01-30 | 2437336 | 1961-02-05 | -6 | SVO |
-18 | 7.8 | 2437576 | 1961-10-03 | 2437576 | 1961-10-03 | 0 | SVO |
-17 | 7.0 | 2437813 | 1962-05-28 | 2437816 | 1962-05-31 | -3 | SVO |
-16 | 8.0 | 2438060 | 1963-01-30 | 2438057 | 1963-01-27 | 3 | SVO |
-15 | 7.4 | 2438299 | 1963-09-26 | 2438297 | 1963-09-24 | 2 | SVO |
-14 | 7.5 | 2438538 | 1964-05-22 | 2438537 | 1964-05-21 | 1 | SVO |
-13 | 6.8 | 2438771 | 1965-01-10 | 2438777 | 1965-01-16 | -6 | SVO |
-12 | 8.1 | 2439012 | 1965-09-08 | 2439018 | 1965-09-14 | -6 | SVO |
-11 | 7.7 | 2439253 | 1966-05-07 | 2439258 | 1966-05-12 | -5 | SVO |
-10 | 7.0 | 2439496 | 1967-01-05 | 2439498 | 1967-01-07 | -2 | SVO |
-9 | 7.1 | 2439733 | 1967-08-30 | 2439739 | 1967-09-05 | -6 | SVO |
-8 | 7.0 | 2439967 | 1968-04-20 | 2439979 | 1968-05-02 | -12 | SVO |
-7 | 7.2 | 2440207 | 1968-12-16 | 2440219 | 1968-12-28 | -12 | SVO |
-6 | 7.4 | 2440447 | 1969-08-13 | 2440459 | 1969-08-25 | -12 | SVO |
-5 | 7.8 | 2440692 | 1970-04-15 | 2440700 | 1970-04-23 | -8 | SVO |
-4 | 2440928 | 1970-12-07 | 2440940 | 1970-12-19 | -12 | AAVSO | |
-3 | 7.4 | 2441168 | 1971-08-04 | 2441180 | 1971-08-16 | -12 | SVO |
-2 | 2441411 | 1972-04-03 | 2441421 | 1972-04-13 | -10 | AAVSO | |
-1 | 7.1 | 2441650 | 1972-11-28 | 2441661 | 1972-12-09 | -11 | SVO |
0 | 7.3 | 2441891 | 1973-07-27 | 2441901 | 1973-08-06 | -10 | SVO |
1 | 7.0 | 2442133 | 1974-03-26 | 2442142 | 1974-04-04 | -9 | AAVSO |
2 | 7.7 | 2442369 | 1974-11-17 | 2442382 | 1974-11-30 | -13 | AAVSO |
3 | 7.3 | 2442618 | 1975-07-24 | 2442622 | 1975-07-28 | -4 | SVO |
4 | 7.2 | 2442855 | 1976-03-17 | 2442862 | 1976-03-24 | -7 | AAVSO |
5 | 7.2 | 2443094 | 1976-11-11 | 2443103 | 1976-11-20 | -9 | AAVSO |
6 | 7.3 | 2443335 | 1977-07-10 | 2443343 | 1977-07-18 | -8 | AAVSO |
7 | 6.9 | 2443576 | 1978-03-08 | 2443583 | 1978-03-15 | -7 | AAVSO |
8 | 7.0 | 2443815 | 1978-11-02 | 2443824 | 1978-11-11 | -9 | AAVSO |
9 | 7.0 | 2444057 | 1979-07-02 | 2444064 | 1979-07-09 | -7 | SVO |
10 | 2444294 | 1980-02-24 | 2444304 | 1980-03-05 | -10 | AAVSO | |
11 | 7.1 | 2444538 | 1980-10-25 | 2444544 | 1980-10-31 | -6 | SVO |
12 | 7.3 | 2444774 | 1981-06-18 | 2444785 | 1981-06-29 | -11 | SVO |
13 | 7.0 | 2445017 | 1982-02-16 | 2445025 | 1982-02-24 | -8 | AAVSO |
14 | 7.5 | 2445268 | 1982-10-25 | 2445265 | 1982-10-22 | 3 | SVO |
15 | 6.9 | 2445503 | 1983-06-17 | 2445506 | 1983-06-20 | -3 | SVO |
16 | 7.8 | 2445742 | 1984-02-11 | 2445746 | 1984-02-15 | -4 | AAVSO |
17 | 6.9 | 2445980 | 1984-10-06 | 2445986 | 1984-10-12 | -6 | SVO |
18 | 8.1 | 2446224 | 1985-06-07 | 2446227 | 1985-06-10 | -3 | SVO |
19 | 9.5 | 2446463 | 1986-02-01 | 2446467 | 1986-02-05 | -4 | AAVSO |
20 | 7.0 | 2446708 | 1986-10-04 | 2446707 | 1986-10-03 | 1 | SVO |
21 | 7.6 | 2446952 | 1987-06-05 | 2446947 | 1987-05-31 | 5 | SVO |
22 | 2447192 | 1988-01-31 | 2447188 | 1988-01-27 | 4 | AAVSO | |
23 | 7.5 | 2447436 | 1988-10-01 | 2447428 | 1988-09-23 | 8 | SVO |
24 | 6.7 | 2447664 | 1989-05-17 | 2447668 | 1989-05-21 | -4 | SVO |
25 | 2447905 | 1990-01-13 | 2447909 | 1990-01-17 | -4 | AAVSO | |
26 | 7.1 | 2448149 | 1990-09-14 | 2448149 | 1990-09-14 | 0 | SVO |
27 | 7.7 | 2448389 | 1991-05-12 | 2448389 | 1991-05-12 | 0 | SVO |
28 | 2448632 | 1992-01-10 | 2448629 | 1992-01-07 | 3 | AAVSO | |
29 | 7.6 | 2448871 | 1992-09-05 | 2448870 | 1992-09-04 | 1 | SVO |
30 | 7.1 | 2449109 | 1993-05-01 | 2449110 | 1993-05-02 | -1 | SVO |
31 | 2449350 | 1993-12-28 | 2449350 | 1993-12-28 | 0 | AAVSO | |
32 | 8.0 | 2449591 | 1994-08-26 | 2449591 | 1994-08-26 | 0 | SVO |
33 | 2449825 | 1995-04-17 | 2449831 | 1995-04-23 | -6 | AAVSO | |
34 | 2450069 | 1995-12-17 | 2450071 | 1995-12-19 | -2 | AAVSO | |
35 | 7.9 | 2450315 | 1996-08-19 | 2450312 | 1996-08-16 | 3 | SVO |
36 | 7.7 | 2450561 | 1997-04-22 | 2450552 | 1997-04-13 | 9 | SVO |
37 | 2450782 | 1997-11-29 | 2450792 | 1997-12-09 | -10 | AAVSO | |
38 | 7.7 | 2451026 | 1998-07-31 | 2451032 | 1998-08-06 | -6 | SVO |
39 | 2451270 | 1999-04-01 | 2451273 | 1999-04-04 | -3 | AAVSO | |
40 | 2451502 | 1999-11-19 | 2451513 | 1999-11-30 | -11 | AAVSO | |
41 | 7.7 | 2451756 | 2000-07-30 | 2451753 | 2000-07-27 | 3 | SVO |
42 | 2451992 | 2001-03-23 | 2451994 | 2001-03-25 | -2 | AAVSO | |
43 | 2452222 | 2001-11-08 | 2452234 | 2001-11-20 | -12 | AAVSO | |
44 | 7.3 | 2452471 | 2002-07-15 | 2452474 | 2002-07-18 | -3 | SVO |
45 | 2452712 | 2003-03-13 | 2452714 | 2003-03-15 | -2 | AAVSO | |
46 | 7.3 | 2452948 | 2003-11-04 | 2452955 | 2003-11-11 | -7 | SVO |
47 | 7.4 | 2453199 | 2004-07-12 | 2453195 | 2004-07-08 | 4 | SVO |
48 | 2453441 | 2005-03-11 | 2453435 | 2005-03-05 | 6 | AAVSO | |
49 | 2453669 | 2005-10-25 | 2453676 | 2005-11-01 | -7 | AAVSO | |
50 | 8.2 | 2453913 | 2006-06-26 | 2453916 | 2006-06-29 | -3 | SVO |
51 | 2454148 | 2007-02-16 | 2454156 | 2007-02-24 | -8 | AAVSO | |
52 | 2454391 | 2007-10-17 | 2454397 | 2007-10-23 | -6 | AAVSO | |
53 | 7.6 | 2454637 | 2008-06-19 | 2454637 | 2008-06-19 | 0 | SVO |
54 | 2454873 | 2009-02-10 | 2454877 | 2009-02-14 | -4 | AAVSO | |
55 | 7.5 | 2455117 | 2009-10-12 | 2455117 | 2009-10-12 | 0 | SVO |
56 | 6.8 | 2455347 | 2010-05-30 | 2455358 | 2010-06-10 | -11 | SVO |
57 | 7.2 | 2455587 | 2011-01-25 | 2455598 | 2011-02-05 | -11 | AAVSO |
58 | 7.5 | 2455840 | 2011-10-05 | 2455838 | 2011-10-03 | 2 | SVO |
59 | 7.9 | 2456094 | 2012-06-15 | 2456079 | 2012-05-31 | 15 | SVO |
60 | 7.5 | 2456336 | 2013-02-12 | 2456319 | 2013-01-26 | 17 | AAVSO |
61 | 7.1 | 2456562 | 2013-09-26 | 2456559 | 2013-09-23 | 3 | SVO |
62 | 7.7 | 2456818 | 2014-06-09 | 2456799 | 2014-05-21 | 19 | SVO |
63 | 2457061 | 2015-02-07 | 2457040 | 2015-01-17 | 21 | AAVSO | |
64 | 7.0 | 2457295 | 2015-09-29 | 2457280 | 2015-09-14 | 15 | SVO |
65 | 7.1 | 2457540 | 2016-05-31 | 2457520 | 2016-05-11 | 20 | SVO |
66 | 2457782 | 2017-01-28 | 2457761 | 2017-01-07 | 21 | AAVSO | |
67 | 7.8 | 2458022 | 2017-09-25 | 2458001 | 2017-09-04 | 21 | SVO |
68 | 7.3 | 2458268 | 2018-05-29 | 2458241 | 2018-05-02 | 27 | SVO |
69 | 2458515 | 2019-01-31 | 2458482 | 2018-12-29 | 33 | SVO | |
70 | 6.4 | 2458748 | 2019-09-21 | 2458722 | 2019-08-26 | 26 | SVO |
71 | 7.0 | 2458991 | 2020-05-21 | 2458962 | 2020-04-22 | 29 | SVO |
72 | 2459245 | 2021-01-30 | 2459202 | 2020-12-18 | 43 | SVO | |
73 | 6.6 | 2459478 | 2021-09-20 | 2459443 | 2021-08-16 | 35 | SVO |
74 | 7.0 | 2459717 | 2022-05-17 | 2459683 | 2022-04-13 | 34 | 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. |