| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -64 | 2415830 | 1902-03-21 | 2416124 | 1903-01-09 | -294 | SVO | |
| -63 | 2416224 | 1903-04-19 | 2416520 | 1904-02-09 | -296 | SVO | |
| -62 | 2416622 | 1904-05-21 | 2416917 | 1905-03-12 | -295 | SVO | |
| -61 | 2417023 | 1905-06-26 | 2417314 | 1906-04-13 | -291 | SVO | |
| -60 | 2417430 | 1906-08-07 | 2417711 | 1907-05-15 | -281 | SVO | |
| -52 | 2420620 | 1915-05-02 | 2420885 | 1916-01-22 | -265 | SVO | |
| -51 | 2421036 | 1916-06-21 | 2421282 | 1917-02-22 | -246 | SVO | |
| -50 | 2421430 | 1917-07-20 | 2421679 | 1918-03-26 | -249 | SVO | |
| -49 | 9.4 | 2421836 | 1918-08-30 | 2422076 | 1919-04-27 | -240 | SVO |
| -48 | 10.1 | 2422245 | 1919-10-13 | 2422473 | 1920-05-28 | -228 | SVO |
| -47 | 9.9 | 2422654 | 1920-11-25 | 2422869 | 1921-06-28 | -215 | SVO |
| -46 | 10.1 | 2423046 | 1921-12-22 | 2423266 | 1922-07-30 | -220 | AAVSO |
| -45 | 8.7 | 2423466 | 1923-02-15 | 2423663 | 1923-08-31 | -197 | SVO |
| -44 | 9.9 | 2423875 | 1924-03-30 | 2424060 | 1924-10-01 | -185 | SVO |
| -43 | 10.8 | 2424293 | 1925-05-22 | 2424457 | 1925-11-02 | -164 | SVO |
| -42 | 10.1 | 2424687 | 1926-06-20 | 2424854 | 1926-12-04 | -167 | AAVSO |
| -41 | 10.4 | 2425096 | 1927-08-03 | 2425250 | 1928-01-04 | -154 | SVO |
| -40 | 10.8 | 2425501 | 1928-09-11 | 2425647 | 1929-02-04 | -146 | SVO |
| -39 | 9.7 | 2425894 | 1929-10-09 | 2426044 | 1930-03-08 | -150 | SVO |
| -38 | 10.1 | 2426283 | 1930-11-02 | 2426441 | 1931-04-09 | -158 | SVO |
| -37 | 2426678 | 1931-12-02 | 2426838 | 1932-05-10 | -160 | AAVSO | |
| -36 | 10.0 | 2427080 | 1933-01-07 | 2427234 | 1933-06-10 | -154 | AAVSO |
| -35 | 9.5 | 2427475 | 1934-02-06 | 2427631 | 1934-07-12 | -156 | AAVSO |
| -34 | 9.7 | 2427869 | 1935-03-07 | 2428028 | 1935-08-13 | -159 | AAVSO |
| -33 | 9.9 | 2428266 | 1936-04-07 | 2428425 | 1936-09-13 | -159 | SVO |
| -32 | 9.9 | 2428657 | 1937-05-03 | 2428822 | 1937-10-15 | -165 | SVO |
| -31 | 10.3 | 2429054 | 1938-06-04 | 2429219 | 1938-11-16 | -165 | SVO |
| -30 | 9.4 | 2429446 | 1939-07-01 | 2429615 | 1939-12-17 | -169 | SVO |
| -29 | 11.0 | 2429848 | 1940-08-06 | 2430012 | 1941-01-17 | -164 | SVO |
| -28 | 9.8 | 2430233 | 1941-08-26 | 2430409 | 1942-02-18 | -176 | SVO |
| -27 | 10.3 | 2430645 | 1942-10-12 | 2430806 | 1943-03-22 | -161 | SVO |
| -26 | 10.6 | 2431047 | 1943-11-18 | 2431203 | 1944-04-22 | -156 | AAVSO |
| -25 | 10.2 | 2431456 | 1944-12-31 | 2431600 | 1945-05-24 | -144 | SVO |
| -24 | 9.7 | 2431866 | 1946-02-14 | 2431996 | 1946-06-24 | -130 | SVO |
| -23 | 9.5 | 2432275 | 1947-03-30 | 2432393 | 1947-07-26 | -118 | SVO |
| -22 | 10.6 | 2432681 | 1948-05-09 | 2432790 | 1948-08-26 | -109 | SVO |
| -21 | 9.7 | 2433080 | 1949-06-12 | 2433187 | 1949-09-27 | -107 | SVO |
| -20 | 10.7 | 2433496 | 1950-08-02 | 2433584 | 1950-10-29 | -88 | SVO |
| -19 | 10.7 | 2433900 | 1951-09-10 | 2433980 | 1951-11-29 | -80 | SVO |
| -18 | 9.8 | 2434309 | 1952-10-23 | 2434377 | 1952-12-30 | -68 | AAVSO |
| -17 | 9.7 | 2434716 | 1953-12-04 | 2434774 | 1954-01-31 | -58 | SVO |
| -16 | 10.3 | 2435086 | 1954-12-09 | 2435171 | 1955-03-04 | -85 | SVO |
| -15 | 10.8 | 2435524 | 1956-02-20 | 2435568 | 1956-04-04 | -44 | AAVSO |
| -14 | 10.1 | 2435927 | 1957-03-29 | 2435965 | 1957-05-06 | -38 | SVO |
| -13 | 10.2 | 2436333 | 1958-05-09 | 2436361 | 1958-06-06 | -28 | SVO |
| -12 | 9.8 | 2436731 | 1959-06-11 | 2436758 | 1959-07-08 | -27 | SVO |
| -11 | 10.4 | 2437135 | 1960-07-19 | 2437155 | 1960-08-08 | -20 | SVO |
| -10 | 10.4 | 2437543 | 1961-08-31 | 2437552 | 1961-09-09 | -9 | SVO |
| -9 | 9.5 | 2437936 | 1962-09-28 | 2437949 | 1962-10-11 | -13 | SVO |
| -8 | 9.7 | 2438337 | 1963-11-03 | 2438345 | 1963-11-11 | -8 | AAVSO |
| -7 | 10.0 | 2438743 | 1964-12-13 | 2438742 | 1964-12-12 | 1 | AAVSO |
| -6 | 9.9 | 2439151 | 1966-01-25 | 2439139 | 1966-01-13 | 12 | SVO |
| -5 | 10.1 | 2439539 | 1967-02-17 | 2439536 | 1967-02-14 | 3 | SVO |
| -4 | 9.7 | 2439929 | 1968-03-13 | 2439933 | 1968-03-17 | -4 | SVO |
| -3 | 9.7 | 2440342 | 1969-04-30 | 2440330 | 1969-04-18 | 12 | SVO |
| -2 | 9.8 | 2440733 | 1970-05-26 | 2440726 | 1970-05-19 | 7 | AAVSO |
| -1 | 10.5 | 2441108 | 1971-06-05 | 2441123 | 1971-06-20 | -15 | AAVSO |
| 0 | 10.5 | 2441514 | 1972-07-15 | 2441520 | 1972-07-21 | -6 | AAVSO |
| 1 | 9.5 | 2441901 | 1973-08-06 | 2441917 | 1973-08-22 | -16 | SVO |
| 2 | 10.6 | 2442310 | 1974-09-19 | 2442314 | 1974-09-23 | -4 | SVO |
| 3 | 10.6 | 2442708 | 1975-10-22 | 2442710 | 1975-10-24 | -2 | AAVSO |
| 4 | 10.8 | 2443107 | 1976-11-24 | 2443107 | 1976-11-24 | 0 | AAVSO |
| 5 | 10.8 | 2443508 | 1977-12-30 | 2443504 | 1977-12-26 | 4 | AAVSO |
| 6 | 2443906 | 1979-02-01 | 2443901 | 1979-01-27 | 5 | AAVSO | |
| 7 | 11.2 | 2444327 | 1980-03-28 | 2444298 | 1980-02-28 | 29 | AAVSO |
| 8 | 10.5 | 2444725 | 1981-04-30 | 2444695 | 1981-03-31 | 30 | AAVSO |
| 9 | 9.9 | 2445129 | 1982-06-08 | 2445091 | 1982-05-01 | 38 | SVO |
| 10 | 10.5 | 2445533 | 1983-07-17 | 2445488 | 1983-06-02 | 45 | SVO |
| 11 | 9.9 | 2445935 | 1984-08-22 | 2445885 | 1984-07-03 | 50 | SVO |
| 12 | 11.2 | 2446346 | 1985-10-07 | 2446282 | 1985-08-04 | 64 | AAVSO |
| 13 | 11.1 | 2446745 | 1986-11-10 | 2446679 | 1986-09-05 | 66 | AAVSO |
| 14 | 2447177 | 1988-01-16 | 2447075 | 1987-10-06 | 102 | AAVSO | |
| 15 | 2447549 | 1989-01-22 | 2447472 | 1988-11-06 | 77 | AAVSO | |
| 16 | 10.1 | 2447936 | 1990-02-13 | 2447869 | 1989-12-08 | 67 | SVO |
| 17 | 9.3 | 2448329 | 1991-03-13 | 2448266 | 1991-01-09 | 63 | SVO |
| 18 | 10.5 | 2448743 | 1992-04-30 | 2448663 | 1992-02-10 | 80 | SVO |
| 19 | 10.2 | 2449140 | 1993-06-01 | 2449060 | 1993-03-13 | 80 | SVO |
| 20 | 10.1 | 2449534 | 1994-06-30 | 2449456 | 1994-04-13 | 78 | SVO |
| 21 | 10.3 | 2449953 | 1995-08-23 | 2449853 | 1995-05-15 | 100 | SVO |
| 22 | 2450335 | 1996-09-08 | 2450250 | 1996-06-15 | 85 | AAVSO | |
| 23 | 2450757 | 1997-11-04 | 2450647 | 1997-07-17 | 110 | AAVSO | |
| 24 | 2451157 | 1998-12-09 | 2451044 | 1998-08-18 | 113 | AAVSO | |
| 25 | 2451561 | 2000-01-17 | 2451441 | 1999-09-19 | 120 | AAVSO | |
| 26 | 9.5 | 2451974 | 2001-03-05 | 2451837 | 2000-10-19 | 137 | SVO |
| 27 | 2452381 | 2002-04-16 | 2452234 | 2001-11-20 | 147 | AAVSO | |
| 28 | 9.0 | 2452784 | 2003-05-24 | 2452631 | 2002-12-22 | 153 | SVO |
| 29 | 2453188 | 2004-07-01 | 2453028 | 2004-01-23 | 160 | AAVSO | |
| 30 | 9.6 | 2453599 | 2005-08-16 | 2453425 | 2005-02-23 | 174 | SVO |
| 31 | 9.8 | 2454006 | 2006-09-27 | 2453821 | 2006-03-26 | 185 | SVO |
| 32 | 9.4 | 2454392 | 2007-10-18 | 2454218 | 2007-04-27 | 174 | SVO |
| 33 | 9.6 | 2454802 | 2008-12-01 | 2454615 | 2008-05-28 | 187 | SVO |
| 34 | 2455181 | 2009-12-15 | 2455012 | 2009-06-29 | 169 | AAVSO | |
| 35 | 2455575 | 2011-01-13 | 2455409 | 2010-07-31 | 166 | AAVSO | |
| 36 | 9.5 | 2456009 | 2012-03-22 | 2455806 | 2011-09-01 | 203 | AAVSO |
| 37 | 9.1 | 2456416 | 2013-05-03 | 2456202 | 2012-10-01 | 214 | SVO |
| 38 | 10.0 | 2456814 | 2014-06-05 | 2456599 | 2013-11-02 | 215 | SVO |
| 39 | 10.1 | 2457224 | 2015-07-20 | 2456996 | 2014-12-04 | 228 | AAVSO |
| 40 | 9.7 | 2457624 | 2016-08-23 | 2457393 | 2016-01-05 | 231 | SVO |
| 41 | 9.9 | 2458044 | 2017-10-17 | 2457790 | 2017-02-05 | 254 | SVO |
| 42 | 9.1 | 2458450 | 2018-11-27 | 2458186 | 2018-03-08 | 264 | SVO |
| 43 | 9.6 | 2458849 | 2019-12-31 | 2458583 | 2019-04-09 | 266 | SVO |
| 44 | 8.9 | 2459236 | 2021-01-21 | 2458980 | 2020-05-10 | 256 | SVO |
| 45 | 9.7 | 2459652 | 2022-03-13 | 2459377 | 2021-06-11 | 275 | 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. |