| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -80 | 2413960 | 1897-02-04 | 2413626 | 1896-03-07 | 334 | AnHar, 1909, vol 55, p 95 | |
| -78 | 2415020 | 1899-12-31 | 2414658 | 1899-01-03 | 362 | SVO | |
| -77 | 2415530 | 1901-05-25 | 2415174 | 1900-06-03 | 356 | SVO | |
| -76 | 2416040 | 1902-10-17 | 2415690 | 1901-11-01 | 350 | SVO | |
| -75 | 2416561 | 1904-03-21 | 2416206 | 1903-04-01 | 355 | SVO | |
| -73 | 2417585 | 1907-01-09 | 2417238 | 1906-01-27 | 347 | SVO | |
| -71 | 2418620 | 1909-11-09 | 2418270 | 1908-11-24 | 350 | SVO | |
| -68 | 2420160 | 1914-01-27 | 2419818 | 1913-02-19 | 342 | SVO | |
| -67 | 2420681 | 1915-07-02 | 2420334 | 1914-07-20 | 347 | SVO | |
| -66 | 2421202 | 1916-12-04 | 2420850 | 1915-12-18 | 352 | SVO | |
| -65 | 7.5 | 2421697 | 1918-04-13 | 2421366 | 1917-05-17 | 331 | SVO |
| -63 | 7.5 | 2422736 | 1921-02-15 | 2422398 | 1920-03-14 | 338 | AAVSO |
| -62 | 2423251 | 1922-07-15 | 2422914 | 1921-08-12 | 337 | AAVSO | |
| -61 | 2423750 | 1923-11-26 | 2423430 | 1923-01-10 | 320 | SVO | |
| -60 | 2424265 | 1925-04-24 | 2423946 | 1924-06-09 | 319 | AAVSO | |
| -59 | 2424791 | 1926-10-02 | 2424462 | 1925-11-07 | 329 | AAVSO | |
| -58 | 7.8 | 2425275 | 1928-01-29 | 2424978 | 1927-04-07 | 297 | SVO |
| -57 | 9.1 | 2425788 | 1929-06-25 | 2425494 | 1928-09-04 | 294 | SVO |
| -56 | 8.3 | 2426301 | 1930-11-20 | 2426010 | 1930-02-02 | 291 | AAVSO |
| -55 | 7.2 | 2426812 | 1932-04-14 | 2426526 | 1931-07-03 | 286 | AAVSO |
| -54 | 2427311 | 1933-08-26 | 2427042 | 1932-11-30 | 269 | AAVSO | |
| -53 | 8.6 | 2427817 | 1935-01-14 | 2427558 | 1934-04-30 | 259 | SVO |
| -52 | 8.1 | 2428318 | 1936-05-29 | 2428074 | 1935-09-28 | 244 | SVO |
| -51 | 8.7 | 2428839 | 1937-11-01 | 2428590 | 1937-02-25 | 249 | SVO |
| -50 | 8.4 | 2429358 | 1939-04-04 | 2429106 | 1938-07-26 | 252 | SVO |
| -49 | 2429870 | 1940-08-28 | 2429622 | 1939-12-24 | 248 | SVO | |
| -48 | 8.0 | 2430377 | 1942-01-17 | 2430138 | 1941-05-23 | 239 | SVO |
| -47 | 2430887 | 1943-06-11 | 2430654 | 1942-10-21 | 233 | AAVSO | |
| -46 | 9.2 | 2431388 | 1944-10-24 | 2431170 | 1944-03-20 | 218 | AAVSO |
| -45 | 8.4 | 2431892 | 1946-03-12 | 2431686 | 1945-08-18 | 206 | SVO |
| -44 | 8.1 | 2432398 | 1947-07-31 | 2432202 | 1947-01-16 | 196 | SVO |
| -43 | 8.4 | 2432911 | 1948-12-25 | 2432718 | 1948-06-15 | 193 | SVO |
| -42 | 8.9 | 2433423 | 1950-05-21 | 2433234 | 1949-11-13 | 189 | SVO |
| -41 | 7.8 | 2433928 | 1951-10-08 | 2433750 | 1951-04-13 | 178 | SVO |
| -40 | 8.7 | 2434432 | 1953-02-23 | 2434266 | 1952-09-10 | 166 | SVO |
| -39 | 7.7 | 2434934 | 1954-07-10 | 2434782 | 1954-02-08 | 152 | SVO |
| -38 | 9.2 | 2435438 | 1955-11-26 | 2435298 | 1955-07-09 | 140 | SVO |
| -37 | 8.7 | 2435950 | 1957-04-21 | 2435814 | 1956-12-06 | 136 | SVO |
| -36 | 8.6 | 2436452 | 1958-09-05 | 2436330 | 1958-05-06 | 122 | SVO |
| -35 | 8.3 | 2436966 | 1960-02-01 | 2436846 | 1959-10-04 | 120 | SVO |
| -34 | 8.2 | 2437480 | 1961-06-29 | 2437362 | 1961-03-03 | 118 | SVO |
| -33 | 8.6 | 2437998 | 1962-11-29 | 2437878 | 1962-08-01 | 120 | SVO |
| -32 | 8.1 | 2438512 | 1964-04-26 | 2438394 | 1963-12-30 | 118 | SVO |
| -31 | 8.3 | 2439024 | 1965-09-20 | 2438910 | 1965-05-29 | 114 | SVO |
| -30 | 8.6 | 2439539 | 1967-02-17 | 2439426 | 1966-10-27 | 113 | SVO |
| -29 | 9.3 | 2440036 | 1968-06-28 | 2439942 | 1968-03-26 | 94 | SVO |
| -28 | 9.2 | 2440555 | 1969-11-29 | 2440458 | 1969-08-24 | 97 | SVO |
| -27 | 9.1 | 2441074 | 1971-05-02 | 2440974 | 1971-01-22 | 100 | SVO |
| -26 | 2441580 | 1972-09-19 | 2441490 | 1972-06-21 | 90 | AAVSO | |
| -25 | 9.5 | 2442095 | 1974-02-16 | 2442006 | 1973-11-19 | 89 | SVO |
| -24 | 9.3 | 2442595 | 1975-07-01 | 2442522 | 1975-04-19 | 73 | AAVSO |
| -23 | 9.4 | 2443103 | 1976-11-20 | 2443038 | 1976-09-16 | 65 | SVO |
| -22 | 9.0 | 2443611 | 1978-04-12 | 2443554 | 1978-02-14 | 57 | SVO |
| -21 | 9.4 | 2444126 | 1979-09-09 | 2444070 | 1979-07-15 | 56 | AAVSO |
| -20 | 9.3 | 2444630 | 1981-01-25 | 2444586 | 1980-12-12 | 44 | SVO |
| -19 | 9.2 | 2445144 | 1982-06-23 | 2445102 | 1982-05-12 | 42 | SVO |
| -18 | 9.1 | 2445648 | 1983-11-09 | 2445618 | 1983-10-10 | 30 | SVO |
| -17 | 9.3 | 2446159 | 1985-04-03 | 2446134 | 1985-03-09 | 25 | SVO |
| -16 | 9.2 | 2446668 | 1986-08-25 | 2446650 | 1986-08-07 | 18 | AAVSO |
| -15 | 9.0 | 2447185 | 1988-01-24 | 2447166 | 1988-01-05 | 19 | SVO |
| -14 | 8.6 | 2447696 | 1989-06-18 | 2447682 | 1989-06-04 | 14 | SVO |
| -13 | 9.4 | 2448215 | 1990-11-19 | 2448198 | 1990-11-02 | 17 | SVO |
| -12 | 8.7 | 2448733 | 1992-04-20 | 2448714 | 1992-04-01 | 19 | SVO |
| -11 | 2449241 | 1993-09-10 | 2449230 | 1993-08-30 | 11 | AAVSO | |
| -10 | 8.8 | 2449763 | 1995-02-14 | 2449746 | 1995-01-28 | 17 | SVO |
| -9 | 8.5 | 2450285 | 1996-07-20 | 2450262 | 1996-06-27 | 23 | SVO |
| -8 | 8.3 | 2450785 | 1997-12-02 | 2450778 | 1997-11-25 | 7 | SVO |
| -7 | 8.6 | 2451300 | 1999-05-01 | 2451294 | 1999-04-25 | 6 | SVO |
| -6 | 2451809 | 2000-09-21 | 2451810 | 2000-09-22 | -1 | AAVSO | |
| -5 | 8.2 | 2452325 | 2002-02-19 | 2452326 | 2002-02-20 | -1 | SVO |
| -4 | 8.4 | 2452857 | 2003-08-05 | 2452842 | 2003-07-21 | 15 | SVO |
| -3 | 7.9 | 2453373 | 2005-01-02 | 2453358 | 2004-12-18 | 15 | SVO |
| -2 | 8.1 | 2453879 | 2006-05-23 | 2453874 | 2006-05-18 | 5 | SVO |
| -1 | 8.0 | 2454400 | 2007-10-26 | 2454390 | 2007-10-16 | 10 | SVO |
| 0 | 7.4 | 2454913 | 2009-03-22 | 2454906 | 2009-03-15 | 7 | SVO |
| 1 | 8.7 | 2455444 | 2010-09-04 | 2455422 | 2010-08-13 | 22 | SVO |
| 2 | 8.9 | 2455968 | 2012-02-10 | 2455938 | 2012-01-11 | 30 | SVO |
| 3 | 7.9 | 2456491 | 2013-07-17 | 2456454 | 2013-06-10 | 37 | SVO |
| 4 | 8.2 | 2456983 | 2014-11-21 | 2456970 | 2014-11-08 | 13 | SVO |
| 5 | 8.1 | 2457511 | 2016-05-02 | 2457486 | 2016-04-07 | 25 | SVO |
| 6 | 8.2 | 2458023 | 2017-09-26 | 2458002 | 2017-09-05 | 21 | SVO |
| 7 | 7.8 | 2458524 | 2019-02-09 | 2458518 | 2019-02-03 | 6 | SVO |
| 8 | 8.7 | 2459060 | 2020-07-29 | 2459034 | 2020-07-03 | 26 | SVO |
| 9 | 8.4 | 2459559 | 2021-12-10 | 2459550 | 2021-12-01 | 9 | SVO |
| 10 | 7.7 | 2460069 | 2023-05-04 | 2460066 | 2023-05-01 | 3 | 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. |