| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -95 | 2420929 | 1916-03-06 | 2420939 | 1916-03-16 | -10 | AN, 1923, vol 217, p 439 | |
| -94 | 2421272 | 1917-02-12 | 2421282 | 1917-02-22 | -10 | AN, 1923, vol 217, p 439 | |
| -93 | 2421579 | 1917-12-16 | 2421625 | 1918-01-31 | -46 | AN, 1923, vol 217, p 439 | |
| -92 | 2421955 | 1918-12-27 | 2421968 | 1919-01-09 | -13 | AN, 1923, vol 217, p 439 | |
| -91 | 2422311 | 1919-12-18 | 2422311 | 1919-12-18 | 0 | AN, 1923, vol 217, p 439 | |
| -89 | 2422992 | 1921-10-29 | 2422996 | 1921-11-02 | -4 | AN, 1923, vol 217, p 439 | |
| -84 | 10.4 | 2424681 | 1926-06-14 | 2424710 | 1926-07-13 | -29 | SVO |
| -74 | 10.4 | 2428125 | 1935-11-18 | 2428138 | 1935-12-01 | -13 | SVO |
| -73 | 10.6 | 2428470 | 1936-10-28 | 2428481 | 1936-11-08 | -11 | SVO |
| -72 | 2428809 | 1937-10-02 | 2428824 | 1937-10-17 | -15 | AAVSO | |
| -71 | 10.2 | 2429151 | 1938-09-09 | 2429166 | 1938-09-24 | -15 | SVO |
| -70 | 11.9 | 2429508 | 1939-09-01 | 2429509 | 1939-09-02 | -1 | SVO |
| -69 | 2429847 | 1940-08-05 | 2429852 | 1940-08-10 | -5 | AAVSO | |
| -68 | 10.0 | 2430180 | 1941-07-04 | 2430195 | 1941-07-19 | -15 | AAVSO |
| -67 | 2430546 | 1942-07-05 | 2430538 | 1942-06-27 | 8 | AAVSO | |
| -66 | 10.2 | 2430883 | 1943-06-07 | 2430880 | 1943-06-04 | 3 | AAVSO |
| -65 | 9.8 | 2431223 | 1944-05-12 | 2431223 | 1944-05-12 | 0 | AAVSO |
| -64 | 2431573 | 1945-04-27 | 2431566 | 1945-04-20 | 7 | AAVSO | |
| -63 | 2431917 | 1946-04-06 | 2431909 | 1946-03-29 | 8 | AAVSO | |
| -62 | 2432258 | 1947-03-13 | 2432252 | 1947-03-07 | 6 | AAVSO | |
| -61 | 2432605 | 1948-02-23 | 2432594 | 1948-02-12 | 11 | AAVSO | |
| -60 | 10.2 | 2432945 | 1949-01-28 | 2432937 | 1949-01-20 | 8 | AAVSO |
| -59 | 2433297 | 1950-01-15 | 2433280 | 1949-12-29 | 17 | AAVSO | |
| -58 | 2433635 | 1950-12-19 | 2433623 | 1950-12-07 | 12 | AAVSO | |
| -57 | 10.8 | 2433981 | 1951-11-30 | 2433966 | 1951-11-15 | 15 | SVO |
| -56 | 10.6 | 2434321 | 1952-11-04 | 2434308 | 1952-10-22 | 13 | SVO |
| -55 | 10.3 | 2434660 | 1953-10-09 | 2434651 | 1953-09-30 | 9 | SVO |
| -54 | 10.4 | 2435009 | 1954-09-23 | 2434994 | 1954-09-08 | 15 | SVO |
| -53 | 10.3 | 2435358 | 1955-09-07 | 2435337 | 1955-08-17 | 21 | SVO |
| -52 | 2435695 | 1956-08-09 | 2435680 | 1956-07-25 | 15 | AAVSO | |
| -51 | 11.0 | 2436049 | 1957-07-29 | 2436022 | 1957-07-02 | 27 | SVO |
| -50 | 2436379 | 1958-06-24 | 2436365 | 1958-06-10 | 14 | AAVSO | |
| -49 | 2436722 | 1959-06-02 | 2436708 | 1959-05-19 | 14 | AAVSO | |
| -48 | 2437065 | 1960-05-10 | 2437051 | 1960-04-26 | 14 | AAVSO | |
| -47 | 2437408 | 1961-04-18 | 2437394 | 1961-04-04 | 14 | AAVSO | |
| -46 | 10.1 | 2437757 | 1962-04-02 | 2437736 | 1962-03-12 | 21 | SVO |
| -45 | 2438094 | 1963-03-05 | 2438079 | 1963-02-18 | 15 | AAVSO | |
| -44 | 10.3 | 2438454 | 1964-02-28 | 2438422 | 1964-01-27 | 32 | SVO |
| -43 | 10.6 | 2438781 | 1965-01-20 | 2438765 | 1965-01-04 | 16 | SVO |
| -42 | 10.6 | 2439119 | 1965-12-24 | 2439108 | 1965-12-13 | 11 | SVO |
| -41 | 10.3 | 2439461 | 1966-12-01 | 2439450 | 1966-11-20 | 11 | SVO |
| -40 | 10.4 | 2439798 | 1967-11-03 | 2439793 | 1967-10-29 | 5 | SVO |
| -39 | 10.8 | 2440140 | 1968-10-10 | 2440136 | 1968-10-06 | 4 | SVO |
| -38 | 10.7 | 2440482 | 1969-09-17 | 2440479 | 1969-09-14 | 3 | SVO |
| -37 | 10.6 | 2440825 | 1970-08-26 | 2440822 | 1970-08-23 | 3 | SVO |
| -36 | 2441164 | 1971-07-31 | 2441164 | 1971-07-31 | 0 | AAVSO | |
| -35 | 10.1 | 2441503 | 1972-07-04 | 2441507 | 1972-07-08 | -4 | SVO |
| -34 | 2441850 | 1973-06-16 | 2441850 | 1973-06-16 | 0 | AAVSO | |
| -33 | 2442197 | 1974-05-29 | 2442193 | 1974-05-25 | 4 | AAVSO | |
| -32 | 2442540 | 1975-05-07 | 2442536 | 1975-05-03 | 4 | AAVSO | |
| -31 | 2442883 | 1976-04-14 | 2442878 | 1976-04-09 | 5 | AAVSO | |
| -30 | 2443226 | 1977-03-23 | 2443221 | 1977-03-18 | 5 | AAVSO | |
| -29 | 10.3 | 2443555 | 1978-02-15 | 2443564 | 1978-02-24 | -9 | SVO |
| -28 | 2443890 | 1979-01-16 | 2443907 | 1979-02-02 | -17 | AAVSO | |
| -27 | 10.7 | 2444240 | 1980-01-01 | 2444250 | 1980-01-11 | -10 | SVO |
| -26 | 10.6 | 2444578 | 1980-12-04 | 2444592 | 1980-12-18 | -14 | SVO |
| -25 | 10.9 | 2444919 | 1981-11-10 | 2444935 | 1981-11-26 | -16 | SVO |
| -24 | 10.3 | 2445260 | 1982-10-17 | 2445278 | 1982-11-04 | -18 | SVO |
| -23 | 11.0 | 2445611 | 1983-10-03 | 2445621 | 1983-10-13 | -10 | SVO |
| -22 | 10.5 | 2445945 | 1984-09-01 | 2445964 | 1984-09-20 | -19 | SVO |
| -21 | 11.0 | 2446295 | 1985-08-17 | 2446306 | 1985-08-28 | -11 | SVO |
| -20 | 10.5 | 2446637 | 1986-07-25 | 2446649 | 1986-08-06 | -12 | SVO |
| -19 | 10.7 | 2446980 | 1987-07-03 | 2446992 | 1987-07-15 | -12 | SVO |
| -18 | 10.5 | 2447328 | 1988-06-15 | 2447335 | 1988-06-22 | -7 | SVO |
| -17 | 11.5 | 2447667 | 1989-05-20 | 2447677 | 1989-05-30 | -10 | SVO |
| -16 | 10.9 | 2448017 | 1990-05-05 | 2448020 | 1990-05-08 | -3 | SVO |
| -15 | 10.3 | 2448352 | 1991-04-05 | 2448363 | 1991-04-16 | -11 | SVO |
| -14 | 10.4 | 2448692 | 1992-03-10 | 2448706 | 1992-03-24 | -14 | SVO |
| -13 | 10.7 | 2449045 | 1993-02-26 | 2449049 | 1993-03-02 | -4 | SVO |
| -12 | 10.7 | 2449388 | 1994-02-04 | 2449391 | 1994-02-07 | -3 | SVO |
| -11 | 10.3 | 2449728 | 1995-01-10 | 2449734 | 1995-01-16 | -6 | SVO |
| -10 | 11.0 | 2450074 | 1995-12-22 | 2450077 | 1995-12-25 | -3 | SVO |
| -9 | 11.0 | 2450417 | 1996-11-29 | 2450420 | 1996-12-02 | -3 | SVO |
| -8 | 10.2 | 2450754 | 1997-11-01 | 2450763 | 1997-11-10 | -9 | SVO |
| -7 | 10.6 | 2451108 | 1998-10-21 | 2451105 | 1998-10-18 | 3 | SVO |
| -6 | 11.2 | 2451453 | 1999-10-01 | 2451448 | 1999-09-26 | 5 | SVO |
| -5 | 10.7 | 2451797 | 2000-09-09 | 2451791 | 2000-09-03 | 6 | SVO |
| -4 | 11.2 | 2452145 | 2001-08-23 | 2452134 | 2001-08-12 | 11 | SVO |
| -3 | 10.3 | 2452478 | 2002-07-22 | 2452477 | 2002-07-21 | 1 | SVO |
| -2 | 10.6 | 2452827 | 2003-07-06 | 2452819 | 2003-06-28 | 8 | SVO |
| -1 | 10.6 | 2453173 | 2004-06-16 | 2453162 | 2004-06-05 | 11 | SVO |
| 0 | 11.1 | 2453516 | 2005-05-25 | 2453505 | 2005-05-14 | 11 | SVO |
| 1 | 11.0 | 2453859 | 2006-05-03 | 2453848 | 2006-04-22 | 11 | SVO |
| 2 | 2454204 | 2007-04-13 | 2454191 | 2007-03-31 | 13 | AAVSO | |
| 3 | 10.4 | 2454537 | 2008-03-11 | 2454533 | 2008-03-07 | 4 | SVO |
| 4 | 10.5 | 2454875 | 2009-02-12 | 2454876 | 2009-02-13 | -1 | SVO |
| 5 | 10.6 | 2455217 | 2010-01-20 | 2455219 | 2010-01-22 | -2 | SVO |
| 6 | 10.7 | 2455556 | 2010-12-25 | 2455562 | 2010-12-31 | -6 | SVO |
| 7 | 10.4 | 2455893 | 2011-11-27 | 2455905 | 2011-12-09 | -12 | SVO |
| 8 | 10.8 | 2456235 | 2012-11-03 | 2456247 | 2012-11-15 | -12 | SVO |
| 9 | 11.0 | 2456583 | 2013-10-17 | 2456590 | 2013-10-24 | -7 | SVO |
| 10 | 10.5 | 2456922 | 2014-09-21 | 2456933 | 2014-10-02 | -11 | SVO |
| 11 | 10.1 | 2457275 | 2015-09-09 | 2457276 | 2015-09-10 | -1 | SVO |
| 12 | 11.0 | 2457612 | 2016-08-11 | 2457619 | 2016-08-18 | -7 | SVO |
| 13 | 10.1 | 2457949 | 2017-07-14 | 2457961 | 2017-07-26 | -12 | SVO |
| 14 | 10.6 | 2458295 | 2018-06-25 | 2458304 | 2018-07-04 | -9 | SVO |
| 15 | 10.6 | 2458627 | 2019-05-23 | 2458647 | 2019-06-12 | -20 | SVO |
| 16 | 10.0 | 2458965 | 2020-04-25 | 2458990 | 2020-05-20 | -25 | SVO |
| 17 | 10.9 | 2459319 | 2021-04-14 | 2459333 | 2021-04-28 | -14 | SVO |
| 18 | 10.6 | 2459651 | 2022-03-12 | 2459675 | 2022-04-05 | -24 | 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. |