| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -99 | 2414740 | 1899-03-26 | 2434307 | 1952-10-21 | -19567 | AnHar, 1952, vol 118 | |
| -98 | 2415052 | 1900-02-01 | 2434422 | 1953-02-13 | -19370 | SVO | |
| -96 | 2415686 | 1901-10-28 | 2434654 | 1953-10-03 | -18968 | SVO | |
| -95 | 2416000 | 1902-09-07 | 2434770 | 1954-01-27 | -18770 | AnHar, 1952, vol 118 | |
| -94 | 2416341 | 1903-08-14 | 2434885 | 1954-05-22 | -18544 | SVO | |
| -93 | 2416650 | 1904-06-18 | 2435001 | 1954-09-15 | -18351 | AnHar, 1952, vol 118 | |
| -92 | 8.6 | 2416977 | 1905-05-11 | 2435117 | 1955-01-09 | -18140 | AAVSO |
| -91 | 2417287 | 1906-03-17 | 2435232 | 1955-05-04 | -17945 | SVO | |
| -90 | 2417593 | 1907-01-17 | 2435348 | 1955-08-28 | -17755 | AAVSO | |
| -89 | 2417928 | 1907-12-18 | 2435464 | 1955-12-22 | -17536 | AAVSO | |
| -88 | 2418242 | 1908-10-27 | 2435579 | 1956-04-15 | -17337 | AAVSO | |
| -87 | 9.4 | 2418569 | 1909-09-19 | 2435695 | 1956-08-09 | -17126 | SVO |
| -86 | 9.0 | 2418873 | 1910-07-20 | 2435811 | 1956-12-03 | -16938 | AAVSO |
| -85 | 8.8 | 2419186 | 1911-05-29 | 2435927 | 1957-03-29 | -16741 | AAVSO |
| -84 | 9.3 | 2419506 | 1912-04-13 | 2436042 | 1957-07-22 | -16536 | SVO |
| -83 | 9.7 | 2419816 | 1913-02-17 | 2436158 | 1957-11-15 | -16342 | SVO |
| -82 | 9.5 | 2420127 | 1913-12-25 | 2436274 | 1958-03-11 | -16147 | SVO |
| -81 | 9.3 | 2420439 | 1914-11-02 | 2436389 | 1958-07-04 | -15950 | AAVSO |
| -80 | 9.1 | 2420753 | 1915-09-12 | 2436505 | 1958-10-28 | -15752 | AAVSO |
| -79 | 9.3 | 2421073 | 1916-07-28 | 2436621 | 1959-02-21 | -15548 | SVO |
| -78 | 9.0 | 2421382 | 1917-06-02 | 2436736 | 1959-06-16 | -15354 | SVO |
| -77 | 8.8 | 2421697 | 1918-04-13 | 2436852 | 1959-10-10 | -15155 | SVO |
| -76 | 2422023 | 1919-03-05 | 2436968 | 1960-02-03 | -14945 | AAVSO | |
| -75 | 2422330 | 1920-01-06 | 2437084 | 1960-05-29 | -14754 | AAVSO | |
| -74 | 9.8 | 2422646 | 1920-11-17 | 2437199 | 1960-09-21 | -14553 | AAVSO |
| -73 | 9.3 | 2422970 | 1921-10-07 | 2437315 | 1961-01-15 | -14345 | SVO |
| -72 | 9.4 | 2423277 | 1922-08-10 | 2437431 | 1961-05-11 | -14154 | SVO |
| -71 | 9.0 | 2423586 | 1923-06-15 | 2437546 | 1961-09-03 | -13960 | SVO |
| -70 | 9.3 | 2423897 | 1924-04-21 | 2437662 | 1961-12-28 | -13765 | SVO |
| -69 | 9.7 | 2424217 | 1925-03-07 | 2437778 | 1962-04-23 | -13561 | SVO |
| -68 | 9.6 | 2424544 | 1926-01-28 | 2437893 | 1962-08-16 | -13349 | SVO |
| -67 | 9.2 | 2424858 | 1926-12-08 | 2438009 | 1962-12-10 | -13151 | SVO |
| -66 | 8.9 | 2425172 | 1927-10-18 | 2438125 | 1963-04-05 | -12953 | SVO |
| -65 | 9.3 | 2425492 | 1928-09-02 | 2438241 | 1963-07-30 | -12749 | SVO |
| -64 | 9.0 | 2425805 | 1929-07-12 | 2438356 | 1963-11-22 | -12551 | SVO |
| -63 | 9.3 | 2426117 | 1930-05-20 | 2438472 | 1964-03-17 | -12355 | SVO |
| -62 | 8.7 | 2426437 | 1931-04-05 | 2438588 | 1964-07-11 | -12151 | SVO |
| -61 | 9.5 | 2426750 | 1932-02-12 | 2438703 | 1964-11-03 | -11953 | SVO |
| -60 | 9.7 | 2427075 | 1933-01-02 | 2438819 | 1965-02-27 | -11744 | SVO |
| -59 | 9.8 | 2427397 | 1933-11-20 | 2438935 | 1965-06-23 | -11538 | SVO |
| -58 | 9.1 | 2427703 | 1934-09-22 | 2439050 | 1965-10-16 | -11347 | SVO |
| -57 | 9.7 | 2428020 | 1935-08-05 | 2439166 | 1966-02-09 | -11146 | SVO |
| -56 | 9.1 | 2428335 | 1936-06-15 | 2439282 | 1966-06-05 | -10947 | SVO |
| -55 | 10.1 | 2428646 | 1937-04-22 | 2439398 | 1966-09-29 | -10752 | SVO |
| -54 | 9.4 | 2428958 | 1938-02-28 | 2439513 | 1967-01-22 | -10555 | SVO |
| -53 | 9.1 | 2429266 | 1939-01-02 | 2439629 | 1967-05-18 | -10363 | SVO |
| -52 | 9.3 | 2429582 | 1939-11-14 | 2439745 | 1967-09-11 | -10163 | SVO |
| -51 | 9.3 | 2429903 | 1940-09-30 | 2439860 | 1968-01-04 | -9957 | SVO |
| -50 | 9.9 | 2430214 | 1941-08-07 | 2439976 | 1968-04-29 | -9762 | SVO |
| -49 | 9.0 | 2430525 | 1942-06-14 | 2440092 | 1968-08-23 | -9567 | SVO |
| -48 | 9.6 | 2430832 | 1943-04-17 | 2440207 | 1968-12-16 | -9375 | SVO |
| -47 | 9.7 | 2431136 | 1944-02-15 | 2440323 | 1969-04-11 | -9187 | SVO |
| -46 | 9.5 | 2431446 | 1944-12-21 | 2440439 | 1969-08-05 | -8993 | AAVSO |
| -45 | 9.5 | 2431764 | 1945-11-04 | 2440555 | 1969-11-29 | -8791 | AAVSO |
| -44 | 9.0 | 2432086 | 1946-09-22 | 2440670 | 1970-03-24 | -8584 | SVO |
| -43 | 9.7 | 2432387 | 1947-07-20 | 2440786 | 1970-07-18 | -8399 | SVO |
| -42 | 9.0 | 2432693 | 1948-05-21 | 2440902 | 1970-11-11 | -8209 | SVO |
| -41 | 9.3 | 2432999 | 1949-03-23 | 2441017 | 1971-03-06 | -8018 | SVO |
| -40 | 9.4 | 2433314 | 1950-02-01 | 2441133 | 1971-06-30 | -7819 | SVO |
| -39 | 9.4 | 2433621 | 1950-12-05 | 2441249 | 1971-10-24 | -7628 | SVO |
| -38 | 9.7 | 2433932 | 1951-10-12 | 2441364 | 1972-02-16 | -7432 | SVO |
| -37 | 9.4 | 2434249 | 1952-08-24 | 2441480 | 1972-06-11 | -7231 | SVO |
| -36 | 9.2 | 2434553 | 1953-06-24 | 2441596 | 1972-10-05 | -7043 | SVO |
| -35 | 9.7 | 2434871 | 1954-05-08 | 2441712 | 1973-01-29 | -6841 | SVO |
| -34 | 9.5 | 2435170 | 1955-03-03 | 2441827 | 1973-05-24 | -6657 | SVO |
| -33 | 9.1 | 2435489 | 1956-01-16 | 2441943 | 1973-09-17 | -6454 | AAVSO |
| -32 | 9.7 | 2435793 | 1956-11-15 | 2442059 | 1974-01-11 | -6266 | SVO |
| -31 | 9.4 | 2436102 | 1957-09-20 | 2442174 | 1974-05-06 | -6072 | SVO |
| -30 | 9.3 | 2436411 | 1958-07-26 | 2442290 | 1974-08-30 | -5879 | SVO |
| -29 | 9.3 | 2436723 | 1959-06-03 | 2442406 | 1974-12-24 | -5683 | SVO |
| -28 | 9.4 | 2437033 | 1960-04-08 | 2442521 | 1975-04-18 | -5488 | SVO |
| -27 | 9.5 | 2437351 | 1961-02-20 | 2442637 | 1975-08-12 | -5286 | SVO |
| -26 | 9.5 | 2437668 | 1962-01-03 | 2442753 | 1975-12-06 | -5085 | SVO |
| -25 | 9.1 | 2437977 | 1962-11-08 | 2442869 | 1976-03-31 | -4892 | SVO |
| -24 | 10.2 | 2438285 | 1963-09-12 | 2442984 | 1976-07-24 | -4699 | SVO |
| -23 | 9.1 | 2438607 | 1964-07-30 | 2443100 | 1976-11-17 | -4493 | SVO |
| -22 | 9.7 | 2438917 | 1965-06-05 | 2443216 | 1977-03-13 | -4299 | SVO |
| -21 | 9.6 | 2439233 | 1966-04-17 | 2443331 | 1977-07-06 | -4098 | SVO |
| -20 | 8.9 | 2439549 | 1967-02-27 | 2443447 | 1977-10-30 | -3898 | SVO |
| -19 | 9.4 | 2439868 | 1968-01-12 | 2443563 | 1978-02-23 | -3695 | SVO |
| -18 | 9.3 | 2440183 | 1968-11-22 | 2443678 | 1978-06-18 | -3495 | SVO |
| -17 | 9.8 | 2440507 | 1969-10-12 | 2443794 | 1978-10-12 | -3287 | SVO |
| -16 | 9.4 | 2440825 | 1970-08-26 | 2443910 | 1979-02-05 | -3085 | SVO |
| -15 | 9.4 | 2441143 | 1971-07-10 | 2444026 | 1979-06-01 | -2883 | SVO |
| -14 | 9.4 | 2441455 | 1972-05-17 | 2444141 | 1979-09-24 | -2686 | SVO |
| -13 | 9.6 | 2441768 | 1973-03-26 | 2444257 | 1980-01-18 | -2489 | SVO |
| -12 | 9.4 | 2442082 | 1974-02-03 | 2444373 | 1980-05-13 | -2291 | SVO |
| -11 | 9.8 | 2442391 | 1974-12-09 | 2444488 | 1980-09-05 | -2097 | SVO |
| -10 | 9.3 | 2442708 | 1975-10-22 | 2444604 | 1980-12-30 | -1896 | SVO |
| -9 | 9.0 | 2443022 | 1976-08-31 | 2444720 | 1981-04-25 | -1698 | SVO |
| -8 | 9.6 | 2443338 | 1977-07-13 | 2444835 | 1981-08-18 | -1497 | SVO |
| -7 | 9.0 | 2443649 | 1978-05-20 | 2444951 | 1981-12-12 | -1302 | SVO |
| -6 | 9.0 | 2443954 | 1979-03-21 | 2445067 | 1982-04-07 | -1113 | SVO |
| -5 | 9.6 | 2444265 | 1980-01-26 | 2445183 | 1982-08-01 | -918 | SVO |
| -4 | 8.9 | 2444561 | 1980-11-17 | 2445298 | 1982-11-24 | -737 | SVO |
| -3 | 9.4 | 2444872 | 1981-09-24 | 2445414 | 1983-03-20 | -542 | SVO |
| -2 | 9.6 | 2445171 | 1982-07-20 | 2445530 | 1983-07-14 | -359 | SVO |
| -1 | 9.3 | 2445470 | 1983-05-15 | 2445645 | 1983-11-06 | -175 | SVO |
| 0 | 9.5 | 2445764 | 1984-03-04 | 2445761 | 1984-03-01 | 3 | SVO |
| 1 | 9.4 | 2446064 | 1984-12-29 | 2445877 | 1984-06-25 | 187 | SVO |
| 2 | 9.4 | 2446349 | 1985-10-10 | 2445992 | 1984-10-18 | 357 | SVO |
| 3 | 9.3 | 2446639 | 1986-07-27 | 2446108 | 1985-02-11 | 531 | SVO |
| 4 | 9.5 | 2446928 | 1987-05-12 | 2446224 | 1985-06-07 | 704 | SVO |
| 5 | 9.2 | 2447212 | 1988-02-20 | 2446340 | 1985-10-01 | 872 | SVO |
| 6 | 10.3 | 2447500 | 1988-12-04 | 2446455 | 1986-01-24 | 1045 | SVO |
| 7 | 9.6 | 2447784 | 1989-09-14 | 2446571 | 1986-05-20 | 1213 | SVO |
| 8 | 9.6 | 2448063 | 1990-06-20 | 2446687 | 1986-09-13 | 1376 | SVO |
| 9 | 9.5 | 2448339 | 1991-03-23 | 2446802 | 1987-01-06 | 1537 | SVO |
| 10 | 9.2 | 2448616 | 1991-12-25 | 2446918 | 1987-05-02 | 1698 | SVO |
| 11 | 9.8 | 2448895 | 1992-09-29 | 2447034 | 1987-08-26 | 1861 | SVO |
| 12 | 9.2 | 2449162 | 1993-06-23 | 2447149 | 1987-12-19 | 2013 | SVO |
| 13 | 9.5 | 2449434 | 1994-03-22 | 2447265 | 1988-04-13 | 2169 | SVO |
| 14 | 9.5 | 2449711 | 1994-12-24 | 2447381 | 1988-08-07 | 2330 | SVO |
| 15 | 9.4 | 2449969 | 1995-09-08 | 2447497 | 1988-12-01 | 2472 | SVO |
| 16 | 9.2 | 2450223 | 1996-05-19 | 2447612 | 1989-03-26 | 2611 | SVO |
| 17 | 9.5 | 2450490 | 1997-02-10 | 2447728 | 1989-07-20 | 2762 | SVO |
| 18 | 9.3 | 2450745 | 1997-10-23 | 2447844 | 1989-11-13 | 2901 | SVO |
| 19 | 9.6 | 2451007 | 1998-07-12 | 2447959 | 1990-03-08 | 3048 | SVO |
| 20 | 9.3 | 2451252 | 1999-03-14 | 2448075 | 1990-07-02 | 3177 | SVO |
| 21 | 9.4 | 2451495 | 1999-11-12 | 2448191 | 1990-10-26 | 3304 | SVO |
| 22 | 9.3 | 2451737 | 2000-07-11 | 2448306 | 1991-02-18 | 3431 | SVO |
| 23 | 9.5 | 2451977 | 2001-03-08 | 2448422 | 1991-06-14 | 3555 | SVO |
| 24 | 9.6 | 2452229 | 2001-11-15 | 2448538 | 1991-10-08 | 3691 | SVO |
| 25 | 9.4 | 2452454 | 2002-06-28 | 2448654 | 1992-02-01 | 3800 | SVO |
| 26 | 9.2 | 2452691 | 2003-02-20 | 2448769 | 1992-05-26 | 3922 | SVO |
| 27 | 9.3 | 2452923 | 2003-10-10 | 2448885 | 1992-09-19 | 4038 | SVO |
| 28 | 9.3 | 2453147 | 2004-05-21 | 2449001 | 1993-01-13 | 4146 | SVO |
| 29 | 9.5 | 2453403 | 2005-02-01 | 2449116 | 1993-05-08 | 4287 | SVO |
| 30 | 9.7 | 2453601 | 2005-08-18 | 2449232 | 1993-09-01 | 4369 | SVO |
| 31 | 9.5 | 2453832 | 2006-04-06 | 2449348 | 1993-12-26 | 4484 | SVO |
| 32 | 9.3 | 2454075 | 2006-12-05 | 2449463 | 1994-04-20 | 4612 | SVO |
| 33 | 9.4 | 2454289 | 2007-07-07 | 2449579 | 1994-08-14 | 4710 | SVO |
| 34 | 9.5 | 2454519 | 2008-02-22 | 2449695 | 1994-12-08 | 4824 | SVO |
| 38 | 9.0 | 2455550 | 2010-12-19 | 2450158 | 1996-03-15 | 5392 | SVO |
| 39 | 9.0 | 2455732 | 2011-06-19 | 2450273 | 1996-07-08 | 5459 | SVO |
| 40 | 9.2 | 2455955 | 2012-01-28 | 2450389 | 1996-11-01 | 5566 | SVO |
| 41 | 9.5 | 2456175 | 2012-09-04 | 2450505 | 1997-02-25 | 5670 | SVO |
| 42 | 9.6 | 2456389 | 2013-04-06 | 2450620 | 1997-06-20 | 5769 | SVO |
| 43 | 9.4 | 2456591 | 2013-10-25 | 2450736 | 1997-10-14 | 5855 | SVO |
| 44 | 9.4 | 2456794 | 2014-05-16 | 2450852 | 1998-02-07 | 5942 | SVO |
| 45 | 9.1 | 2456998 | 2014-12-06 | 2450968 | 1998-06-03 | 6030 | SVO |
| 46 | 9.2 | 2457193 | 2015-06-19 | 2451083 | 1998-09-26 | 6110 | SVO |
| 47 | 2457393 | 2016-01-05 | 2451199 | 1999-01-20 | 6194 | SVO | |
| 48 | 2457540 | 2016-05-31 | 2451315 | 1999-05-16 | 6225 | SVO | |
| 49 | 2457745 | 2016-12-22 | 2451430 | 1999-09-08 | 6315 | SVO | |
| 50 | 2457900 | 2017-05-26 | 2451546 | 2000-01-02 | 6354 | SVO | |
| 51 | 2458160 | 2018-02-10 | 2451662 | 2000-04-27 | 6498 | 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. |