| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -88 | 2407058 | 1878-03-14 | 2407182 | 1878-07-16 | -124 | GuL, 1918, 1.1 | |
| -78 | 2411031 | 1889-01-28 | 2411133 | 1889-05-10 | -102 | GuL, 1918, 1.1 | |
| -68 | 2415041 | 1900-01-21 | 2415083 | 1900-03-04 | -42 | AnHar, 1909, vol 55, p 95 | |
| -67 | 2415437 | 1901-02-21 | 2415479 | 1901-04-04 | -42 | AnHar, 1909, vol 55, p 95 | |
| -57 | 9.0 | 2419399 | 1911-12-28 | 2419429 | 1912-01-27 | -30 | SVO |
| -50 | 9.2 | 2422201 | 1919-08-30 | 2422195 | 1919-08-24 | 6 | SVO |
| -49 | 8.7 | 2422597 | 1920-09-29 | 2422590 | 1920-09-22 | 7 | SVO |
| -48 | 8.8 | 2422995 | 1921-11-01 | 2422985 | 1921-10-22 | 10 | SVO |
| -47 | 8.6 | 2423389 | 1922-11-30 | 2423380 | 1922-11-21 | 9 | SVO |
| -46 | 8.5 | 2423776 | 1923-12-22 | 2423776 | 1923-12-22 | 0 | SVO |
| -45 | 8.5 | 2424184 | 1925-02-02 | 2424171 | 1925-01-20 | 13 | SVO |
| -44 | 8.9 | 2424568 | 1926-02-21 | 2424566 | 1926-02-19 | 2 | SVO |
| -43 | 9.3 | 2424973 | 1927-04-02 | 2424961 | 1927-03-21 | 12 | SVO |
| -42 | 8.6 | 2425347 | 1928-04-10 | 2425356 | 1928-04-19 | -9 | SVO |
| -41 | 9.2 | 2425741 | 1929-05-09 | 2425751 | 1929-05-19 | -10 | SVO |
| -40 | 8.5 | 2426135 | 1930-06-07 | 2426146 | 1930-06-18 | -11 | SVO |
| -39 | 8.9 | 2426529 | 1931-07-06 | 2426541 | 1931-07-18 | -12 | SVO |
| -38 | 8.5 | 2426910 | 1932-07-21 | 2426936 | 1932-08-16 | -26 | SVO |
| -37 | 8.6 | 2427304 | 1933-08-19 | 2427331 | 1933-09-15 | -27 | SVO |
| -36 | 8.7 | 2427698 | 1934-09-17 | 2427726 | 1934-10-15 | -28 | SVO |
| -35 | 8.8 | 2428099 | 1935-10-23 | 2428122 | 1935-11-15 | -23 | SVO |
| -34 | 8.5 | 2428488 | 1936-11-15 | 2428517 | 1936-12-14 | -29 | SVO |
| -33 | 8.6 | 2428881 | 1937-12-13 | 2428912 | 1938-01-13 | -31 | SVO |
| -32 | 8.6 | 2429283 | 1939-01-19 | 2429307 | 1939-02-12 | -24 | SVO |
| -31 | 8.7 | 2429683 | 1940-02-23 | 2429702 | 1940-03-13 | -19 | SVO |
| -30 | 8.4 | 2430094 | 1941-04-09 | 2430097 | 1941-04-12 | -3 | SVO |
| -29 | 9.2 | 2430488 | 1942-05-08 | 2430492 | 1942-05-12 | -4 | SVO |
| -28 | 8.8 | 2430894 | 1943-06-18 | 2430887 | 1943-06-11 | 7 | SVO |
| -27 | 8.6 | 2431287 | 1944-07-15 | 2431282 | 1944-07-10 | 5 | SVO |
| -26 | 8.5 | 2431699 | 1945-08-31 | 2431677 | 1945-08-09 | 22 | SVO |
| -25 | 9.0 | 2432104 | 1946-10-10 | 2432072 | 1946-09-08 | 32 | SVO |
| -24 | 8.7 | 2432507 | 1947-11-17 | 2432468 | 1947-10-09 | 39 | SVO |
| -23 | 9.0 | 2432912 | 1948-12-26 | 2432863 | 1948-11-07 | 49 | SVO |
| -22 | 8.5 | 2433322 | 1950-02-09 | 2433258 | 1949-12-07 | 64 | SVO |
| -21 | 9.2 | 2433726 | 1951-03-20 | 2433653 | 1951-01-06 | 73 | SVO |
| -20 | 8.4 | 2434123 | 1952-04-20 | 2434048 | 1952-02-05 | 75 | SVO |
| -19 | 8.7 | 2434524 | 1953-05-26 | 2434443 | 1953-03-06 | 81 | SVO |
| -18 | 8.9 | 2434920 | 1954-06-26 | 2434838 | 1954-04-05 | 82 | SVO |
| -17 | 9.2 | 2435308 | 1955-07-19 | 2435233 | 1955-05-05 | 75 | SVO |
| -16 | 8.4 | 2435686 | 1956-07-31 | 2435628 | 1956-06-03 | 58 | SVO |
| -15 | 8.8 | 2436087 | 1957-09-05 | 2436023 | 1957-07-03 | 64 | SVO |
| -14 | 8.8 | 2436473 | 1958-09-26 | 2436418 | 1958-08-02 | 55 | SVO |
| -13 | 8.6 | 2436859 | 1959-10-17 | 2436814 | 1959-09-02 | 45 | SVO |
| -12 | 8.6 | 2437239 | 1960-10-31 | 2437209 | 1960-10-01 | 30 | SVO |
| -11 | 9.0 | 2437631 | 1961-11-27 | 2437604 | 1961-10-31 | 27 | SVO |
| -10 | 8.7 | 2438013 | 1962-12-14 | 2437999 | 1962-11-30 | 14 | SVO |
| -9 | 9.0 | 2438400 | 1964-01-05 | 2438394 | 1963-12-30 | 6 | SVO |
| -8 | 8.8 | 2438782 | 1965-01-21 | 2438789 | 1965-01-28 | -7 | SVO |
| -7 | 8.9 | 2439171 | 1966-02-14 | 2439184 | 1966-02-27 | -13 | SVO |
| -6 | 8.7 | 2439570 | 1967-03-20 | 2439579 | 1967-03-29 | -9 | SVO |
| -5 | 9.2 | 2439960 | 1968-04-13 | 2439974 | 1968-04-27 | -14 | SVO |
| -4 | 8.8 | 2440360 | 1969-05-18 | 2440369 | 1969-05-27 | -9 | SVO |
| -3 | 8.9 | 2440749 | 1970-06-11 | 2440765 | 1970-06-27 | -16 | SVO |
| -2 | 8.7 | 2441147 | 1971-07-14 | 2441160 | 1971-07-27 | -13 | SVO |
| -1 | 9.0 | 2441539 | 1972-08-09 | 2441555 | 1972-08-25 | -16 | SVO |
| 0 | 8.8 | 2441952 | 1973-09-26 | 2441950 | 1973-09-24 | 2 | SVO |
| 1 | 9.4 | 2442346 | 1974-10-25 | 2442345 | 1974-10-24 | 1 | SVO |
| 2 | 8.5 | 2442736 | 1975-11-19 | 2442740 | 1975-11-23 | -4 | SVO |
| 3 | 9.1 | 2443136 | 1976-12-23 | 2443135 | 1976-12-22 | 1 | SVO |
| 4 | 8.9 | 2443541 | 1978-02-01 | 2443530 | 1978-01-21 | 11 | SVO |
| 5 | 8.6 | 2443936 | 1979-03-03 | 2443925 | 1979-02-20 | 11 | SVO |
| 6 | 8.9 | 2444341 | 1980-04-11 | 2444320 | 1980-03-21 | 21 | SVO |
| 7 | 8.5 | 2444733 | 1981-05-08 | 2444715 | 1981-04-20 | 18 | SVO |
| 8 | 9.1 | 2445132 | 1982-06-11 | 2445111 | 1982-05-21 | 21 | SVO |
| 9 | 8.6 | 2445535 | 1983-07-19 | 2445506 | 1983-06-20 | 29 | SVO |
| 10 | 9.2 | 2445929 | 1984-08-16 | 2445901 | 1984-07-19 | 28 | SVO |
| 11 | 9.3 | 2446333 | 1985-09-24 | 2446296 | 1985-08-18 | 37 | SVO |
| 12 | 8.6 | 2446716 | 1986-10-12 | 2446691 | 1986-09-17 | 25 | SVO |
| 13 | 9.2 | 2447107 | 1987-11-07 | 2447086 | 1987-10-17 | 21 | SVO |
| 14 | 9.1 | 2447505 | 1988-12-09 | 2447481 | 1988-11-15 | 24 | SVO |
| 15 | 8.6 | 2447893 | 1990-01-01 | 2447876 | 1989-12-15 | 17 | SVO |
| 16 | 9.0 | 2448284 | 1991-01-27 | 2448271 | 1991-01-14 | 13 | SVO |
| 17 | 8.5 | 2448671 | 1992-02-18 | 2448666 | 1992-02-13 | 5 | SVO |
| 18 | 9.1 | 2449071 | 1993-03-24 | 2449061 | 1993-03-14 | 10 | SVO |
| 19 | 8.7 | 2449465 | 1994-04-22 | 2449457 | 1994-04-14 | 8 | SVO |
| 20 | 9.1 | 2449847 | 1995-05-09 | 2449852 | 1995-05-14 | -5 | SVO |
| 21 | 8.9 | 2450235 | 1996-05-31 | 2450247 | 1996-06-12 | -12 | SVO |
| 22 | 9.2 | 2450629 | 1997-06-29 | 2450642 | 1997-07-12 | -13 | SVO |
| 23 | 8.9 | 2451025 | 1998-07-30 | 2451037 | 1998-08-11 | -12 | SVO |
| 24 | 8.7 | 2451421 | 1999-08-30 | 2451432 | 1999-09-10 | -11 | SVO |
| 25 | 8.9 | 2451820 | 2000-10-02 | 2451827 | 2000-10-09 | -7 | SVO |
| 26 | 8.8 | 2452196 | 2001-10-13 | 2452222 | 2001-11-08 | -26 | SVO |
| 27 | 8.3 | 2452589 | 2002-11-10 | 2452617 | 2002-12-08 | -28 | SVO |
| 28 | 9.0 | 2452986 | 2003-12-12 | 2453012 | 2004-01-07 | -26 | SVO |
| 29 | 8.6 | 2453378 | 2005-01-07 | 2453408 | 2005-02-06 | -30 | SVO |
| 30 | 9.0 | 2453772 | 2006-02-05 | 2453803 | 2006-03-08 | -31 | SVO |
| 31 | 8.9 | 2454173 | 2007-03-13 | 2454198 | 2007-04-07 | -25 | SVO |
| 32 | 8.1 | 2454560 | 2008-04-03 | 2454593 | 2008-05-06 | -33 | SVO |
| 33 | 8.9 | 2454963 | 2009-05-11 | 2454988 | 2009-06-05 | -25 | SVO |
| 34 | 8.7 | 2455371 | 2010-06-23 | 2455383 | 2010-07-05 | -12 | SVO |
| 35 | 9.0 | 2455755 | 2011-07-12 | 2455778 | 2011-08-04 | -23 | AAVSO |
| 36 | 9.6 | 2456153 | 2012-08-13 | 2456173 | 2012-09-02 | -20 | AAVSO |
| 37 | 2456558 | 2013-09-22 | 2456568 | 2013-10-02 | -10 | AAVSO | |
| 38 | 8.4 | 2456951 | 2014-10-20 | 2456963 | 2014-11-01 | -12 | SVO |
| 39 | 8.6 | 2457349 | 2015-11-22 | 2457358 | 2015-12-01 | -9 | SVO |
| 40 | 8.7 | 2457737 | 2016-12-14 | 2457754 | 2016-12-31 | -17 | SVO |
| 41 | 8.4 | 2458121 | 2018-01-02 | 2458149 | 2018-01-30 | -28 | SVO |
| 42 | 8.7 | 2458513 | 2019-01-29 | 2458544 | 2019-03-01 | -31 | SVO |
| 43 | 8.5 | 2458899 | 2020-02-19 | 2458939 | 2020-03-30 | -40 | SVO |
| 44 | 8.2 | 2459293 | 2021-03-19 | 2459334 | 2021-04-29 | -41 | SVO |
| 45 | 8.7 | 2459687 | 2022-04-17 | 2459729 | 2022-05-29 | -42 | 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. |