| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -74 | 2412800 | 1893-12-02 | 2413025 | 1894-07-15 | -225 | SVO | |
| -69 | 2414970 | 1899-11-11 | 2415193 | 1900-06-22 | -223 | SVO | |
| -68 | 2415430 | 1901-02-14 | 2415626 | 1901-08-29 | -196 | SVO | |
| -67 | 2415860 | 1902-04-20 | 2416060 | 1902-11-06 | -200 | SVO | |
| -66 | 2416300 | 1903-07-04 | 2416493 | 1904-01-13 | -193 | SVO | |
| -65 | 2416720 | 1904-08-27 | 2416927 | 1905-03-22 | -207 | SVO | |
| -64 | 2417169 | 1905-11-19 | 2417361 | 1906-05-30 | -192 | SVO | |
| -63 | 2417600 | 1907-01-24 | 2417794 | 1907-08-06 | -194 | SVO | |
| -62 | 2418031 | 1908-03-30 | 2418228 | 1908-10-13 | -197 | GuL, 1918, 1.1 | |
| -61 | 2418473 | 1909-06-15 | 2418661 | 1909-12-20 | -188 | GuL, 1918, 1.1 | |
| -60 | 2418936 | 1910-09-21 | 2419095 | 1911-02-27 | -159 | AAVSO | |
| -59 | 10.3 | 2419374 | 1911-12-03 | 2419529 | 1912-05-06 | -155 | SVO |
| -58 | 10.3 | 2419822 | 1913-02-23 | 2419962 | 1913-07-13 | -140 | SVO |
| -57 | 9.8 | 2420258 | 1914-05-05 | 2420396 | 1914-09-20 | -138 | SVO |
| -56 | 2420685 | 1915-07-06 | 2420829 | 1915-11-27 | -144 | AAVSO | |
| -55 | 2421100 | 1916-08-24 | 2421263 | 1917-02-03 | -163 | AAVSO | |
| -54 | 9.6 | 2421573 | 1917-12-10 | 2421697 | 1918-04-13 | -124 | SVO |
| -53 | 9.9 | 2422021 | 1919-03-03 | 2422130 | 1919-06-20 | -109 | SVO |
| -52 | 9.5 | 2422466 | 1920-05-21 | 2422564 | 1920-08-27 | -98 | AAVSO |
| -51 | 2422912 | 1921-08-10 | 2422997 | 1921-11-03 | -85 | AAVSO | |
| -50 | 9.6 | 2423346 | 1922-10-18 | 2423431 | 1923-01-11 | -85 | SVO |
| -49 | 9.4 | 2423781 | 1923-12-27 | 2423865 | 1924-03-20 | -84 | SVO |
| -48 | 10.1 | 2424226 | 1925-03-16 | 2424298 | 1925-05-27 | -72 | SVO |
| -47 | 9.3 | 2424652 | 1926-05-16 | 2424732 | 1926-08-04 | -80 | SVO |
| -46 | 9.7 | 2425089 | 1927-07-27 | 2425165 | 1927-10-11 | -76 | SVO |
| -45 | 9.1 | 2425534 | 1928-10-14 | 2425599 | 1928-12-18 | -65 | SVO |
| -44 | 10.5 | 2425972 | 1929-12-26 | 2426033 | 1930-02-25 | -61 | SVO |
| -43 | 9.4 | 2426401 | 1931-02-28 | 2426466 | 1931-05-04 | -65 | SVO |
| -42 | 9.4 | 2426843 | 1932-05-15 | 2426900 | 1932-07-11 | -57 | SVO |
| -41 | 9.8 | 2427267 | 1933-07-13 | 2427333 | 1933-09-17 | -66 | SVO |
| -40 | 9.8 | 2427699 | 1934-09-18 | 2427767 | 1934-11-25 | -68 | SVO |
| -39 | 9.4 | 2428135 | 1935-11-28 | 2428201 | 1936-02-02 | -66 | SVO |
| -38 | 10.6 | 2428571 | 1937-02-06 | 2428634 | 1937-04-10 | -63 | SVO |
| -37 | 9.4 | 2428982 | 1938-03-24 | 2429068 | 1938-06-18 | -86 | SVO |
| -36 | 9.4 | 2429412 | 1939-05-28 | 2429501 | 1939-08-25 | -89 | SVO |
| -35 | 9.3 | 2429841 | 1940-07-30 | 2429935 | 1940-11-01 | -94 | AAVSO |
| -34 | 9.4 | 2430266 | 1941-09-28 | 2430369 | 1942-01-09 | -103 | AAVSO |
| -33 | 9.7 | 2430710 | 1942-12-16 | 2430802 | 1943-03-18 | -92 | AAVSO |
| -32 | 10.0 | 2431132 | 1944-02-11 | 2431236 | 1944-05-25 | -104 | AAVSO |
| -31 | 9.4 | 2431568 | 1945-04-22 | 2431669 | 1945-08-01 | -101 | AAVSO |
| -30 | 2431996 | 1946-06-24 | 2432103 | 1946-10-09 | -107 | AAVSO | |
| -29 | 9.8 | 2432436 | 1947-09-07 | 2432537 | 1947-12-17 | -101 | AAVSO |
| -28 | 8.9 | 2432874 | 1948-11-18 | 2432970 | 1949-02-22 | -96 | SVO |
| -27 | 10.0 | 2433310 | 1950-01-28 | 2433404 | 1950-05-02 | -94 | SVO |
| -26 | 9.6 | 2433744 | 1951-04-07 | 2433837 | 1951-07-09 | -93 | SVO |
| -25 | 10.3 | 2434178 | 1952-06-14 | 2434271 | 1952-09-15 | -93 | SVO |
| -24 | 9.8 | 2434610 | 1953-08-20 | 2434705 | 1953-11-23 | -95 | AAVSO |
| -23 | 9.9 | 2435045 | 1954-10-29 | 2435138 | 1955-01-30 | -93 | AAVSO |
| -22 | 9.8 | 2435481 | 1956-01-08 | 2435572 | 1956-04-08 | -91 | SVO |
| -21 | 9.3 | 2435916 | 1957-03-18 | 2436005 | 1957-06-15 | -89 | SVO |
| -20 | 9.7 | 2436339 | 1958-05-15 | 2436439 | 1958-08-23 | -100 | SVO |
| -19 | 9.7 | 2436780 | 1959-07-30 | 2436873 | 1959-10-31 | -93 | SVO |
| -18 | 9.8 | 2437228 | 1960-10-20 | 2437306 | 1961-01-06 | -78 | AAVSO |
| -17 | 9.8 | 2437674 | 1962-01-09 | 2437740 | 1962-03-16 | -66 | SVO |
| -16 | 9.3 | 2438114 | 1963-03-25 | 2438173 | 1963-05-23 | -59 | SVO |
| -15 | 9.6 | 2438565 | 1964-06-18 | 2438607 | 1964-07-30 | -42 | SVO |
| -14 | 9.5 | 2439006 | 1965-09-02 | 2439041 | 1965-10-07 | -35 | SVO |
| -13 | 9.2 | 2439446 | 1966-11-16 | 2439474 | 1966-12-14 | -28 | SVO |
| -12 | 10.1 | 2439889 | 1968-02-02 | 2439908 | 1968-02-21 | -19 | SVO |
| -11 | 10.7 | 2440334 | 1969-04-22 | 2440341 | 1969-04-29 | -7 | SVO |
| -10 | 9.4 | 2440767 | 1970-06-29 | 2440775 | 1970-07-07 | -8 | SVO |
| -9 | 10.0 | 2441202 | 1971-09-07 | 2441209 | 1971-09-14 | -7 | AAVSO |
| -8 | 10.0 | 2441664 | 1972-12-12 | 2441642 | 1972-11-20 | 22 | SVO |
| -7 | 10.9 | 2442092 | 1974-02-13 | 2442076 | 1974-01-28 | 16 | SVO |
| -6 | 10.0 | 2442524 | 1975-04-21 | 2442509 | 1975-04-06 | 15 | SVO |
| -5 | 10.0 | 2442955 | 1976-06-25 | 2442943 | 1976-06-13 | 12 | SVO |
| -4 | 10.0 | 2443383 | 1977-08-27 | 2443377 | 1977-08-21 | 6 | SVO |
| -3 | 10.5 | 2443812 | 1978-10-30 | 2443810 | 1978-10-28 | 2 | SVO |
| -2 | 10.1 | 2444253 | 1980-01-14 | 2444244 | 1980-01-05 | 9 | SVO |
| -1 | 10.6 | 2444679 | 1981-03-15 | 2444677 | 1981-03-13 | 2 | SVO |
| 0 | 10.0 | 2445119 | 1982-05-29 | 2445111 | 1982-05-21 | 8 | SVO |
| 1 | 9.9 | 2445539 | 1983-07-23 | 2445545 | 1983-07-29 | -6 | SVO |
| 2 | 10.1 | 2445974 | 1984-09-30 | 2445978 | 1984-10-04 | -4 | SVO |
| 3 | 10.6 | 2446405 | 1985-12-05 | 2446412 | 1985-12-12 | -7 | SVO |
| 4 | 9.9 | 2446832 | 1987-02-05 | 2446845 | 1987-02-18 | -13 | SVO |
| 5 | 10.6 | 2447260 | 1988-04-08 | 2447279 | 1988-04-27 | -19 | SVO |
| 6 | 9.5 | 2447688 | 1989-06-10 | 2447713 | 1989-07-05 | -25 | SVO |
| 7 | 10.1 | 2448112 | 1990-08-08 | 2448146 | 1990-09-11 | -34 | SVO |
| 8 | 9.7 | 2448546 | 1991-10-16 | 2448580 | 1991-11-19 | -34 | SVO |
| 9 | 9.9 | 2448986 | 1992-12-29 | 2449013 | 1993-01-25 | -27 | SVO |
| 10 | 9.5 | 2449413 | 1994-03-01 | 2449447 | 1994-04-04 | -34 | SVO |
| 11 | 9.7 | 2449845 | 1995-05-07 | 2449881 | 1995-06-12 | -36 | SVO |
| 12 | 10.3 | 2450282 | 1996-07-17 | 2450314 | 1996-08-18 | -32 | SVO |
| 13 | 9.6 | 2450721 | 1997-09-29 | 2450748 | 1997-10-26 | -27 | SVO |
| 14 | 10.0 | 2451160 | 1998-12-12 | 2451181 | 1999-01-02 | -21 | SVO |
| 15 | 9.5 | 2451611 | 2000-03-07 | 2451615 | 2000-03-11 | -4 | SVO |
| 16 | 9.6 | 2452041 | 2001-05-11 | 2452049 | 2001-05-19 | -8 | SVO |
| 17 | 9.7 | 2452490 | 2002-08-03 | 2452482 | 2002-07-26 | 8 | SVO |
| 18 | 9.2 | 2452919 | 2003-10-06 | 2452916 | 2003-10-03 | 3 | SVO |
| 19 | 9.5 | 2453357 | 2004-12-17 | 2453349 | 2004-12-09 | 8 | SVO |
| 20 | 9.7 | 2453802 | 2006-03-07 | 2453783 | 2006-02-16 | 19 | SVO |
| 21 | 9.4 | 2454238 | 2007-05-17 | 2454217 | 2007-04-26 | 21 | SVO |
| 22 | 9.5 | 2454687 | 2008-08-08 | 2454650 | 2008-07-02 | 37 | SVO |
| 23 | 9.1 | 2455120 | 2009-10-15 | 2455084 | 2009-09-09 | 36 | SVO |
| 24 | 9.7 | 2455562 | 2010-12-31 | 2455517 | 2010-11-16 | 45 | SVO |
| 25 | 9.9 | 2456001 | 2012-03-14 | 2455951 | 2012-01-24 | 50 | SVO |
| 26 | 9.5 | 2456438 | 2013-05-25 | 2456385 | 2013-04-02 | 53 | SVO |
| 27 | 9.5 | 2456876 | 2014-08-06 | 2456818 | 2014-06-09 | 58 | SVO |
| 28 | 9.6 | 2457309 | 2015-10-13 | 2457252 | 2015-08-17 | 57 | SVO |
| 29 | 9.5 | 2457751 | 2016-12-28 | 2457685 | 2016-10-23 | 66 | SVO |
| 30 | 9.4 | 2458186 | 2018-03-08 | 2458119 | 2017-12-31 | 67 | SVO |
| 31 | 9.8 | 2458619 | 2019-05-15 | 2458553 | 2019-03-10 | 66 | SVO |
| 32 | 9.0 | 2459042 | 2020-07-11 | 2458986 | 2020-05-16 | 56 | SVO |
| 33 | 9.7 | 2459486 | 2021-09-28 | 2459420 | 2021-07-24 | 66 | SVO |
| 34 | 9.5 | 2459910 | 2022-11-26 | 2459853 | 2022-09-30 | 57 | 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. |