| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -130 | 2411490 | 1890-05-02 | 2411496 | 1890-05-08 | -6 | SVO | |
| -126 | 2412560 | 1893-04-06 | 2412536 | 1893-03-13 | 24 | SVO | |
| -123 | 2413335 | 1895-05-21 | 2413317 | 1895-05-03 | 18 | SVO | |
| -119 | 2414380 | 1898-03-31 | 2414358 | 1898-03-09 | 22 | SVO | |
| -118 | 2414630 | 1898-12-06 | 2414618 | 1898-11-24 | 12 | SVO | |
| -116 | 2415135 | 1900-04-25 | 2415138 | 1900-04-28 | -3 | SVO | |
| -115 | 2415370 | 1900-12-16 | 2415398 | 1901-01-13 | -28 | SVO | |
| -113 | 2415877 | 1902-05-07 | 2415919 | 1902-06-18 | -42 | SVO | |
| -112 | 2416155 | 1903-02-09 | 2416179 | 1903-03-05 | -24 | SVO | |
| -110 | 2416624 | 1904-05-23 | 2416699 | 1904-08-06 | -75 | SVO | |
| -109 | 2416901 | 1905-02-24 | 2416959 | 1905-04-23 | -58 | SVO | |
| -106 | 2417665 | 1907-03-30 | 2417740 | 1907-06-13 | -75 | SVO | |
| -105 | 2417914 | 1907-12-04 | 2418000 | 1908-02-28 | -86 | GuL, 1918, 1.1 | |
| -103 | 2418419 | 1909-04-22 | 2418520 | 1909-08-01 | -101 | SVO | |
| -102 | 2418670 | 1909-12-29 | 2418780 | 1910-04-18 | -110 | SVO | |
| -99 | 2419440 | 1912-02-07 | 2419561 | 1912-06-07 | -121 | SVO | |
| -96 | 2420212 | 1914-03-20 | 2420341 | 1914-07-27 | -129 | SVO | |
| -95 | 2420470 | 1914-12-03 | 2420602 | 1915-04-14 | -132 | SVO | |
| -93 | 2420980 | 1916-04-26 | 2421122 | 1916-09-15 | -142 | SVO | |
| -92 | 2421249 | 1917-01-20 | 2421382 | 1917-06-02 | -133 | SVO | |
| -90 | 2421765 | 1918-06-20 | 2421903 | 1918-11-05 | -138 | SVO | |
| -89 | 2422028 | 1919-03-10 | 2422163 | 1919-07-23 | -135 | SVO | |
| -88 | 2422305 | 1919-12-12 | 2422423 | 1920-04-08 | -118 | SVO | |
| -85 | 2423116 | 1922-03-02 | 2423203 | 1922-05-28 | -87 | SVO | |
| -82 | 2423910 | 1924-05-04 | 2423984 | 1924-07-17 | -74 | SVO | |
| -81 | 2424175 | 1925-01-24 | 2424244 | 1925-04-03 | -69 | SVO | |
| -78 | 2424963 | 1927-03-23 | 2425025 | 1927-05-24 | -62 | SVO | |
| -77 | 2425240 | 1927-12-25 | 2425285 | 1928-02-08 | -45 | SVO | |
| -76 | 2425500 | 1928-09-10 | 2425545 | 1928-10-25 | -45 | SVO | |
| -75 | 2425760 | 1929-05-28 | 2425805 | 1929-07-12 | -45 | SVO | |
| -74 | 2426038 | 1930-03-02 | 2426065 | 1930-03-29 | -27 | SVO | |
| -73 | 2426300 | 1930-11-19 | 2426325 | 1930-12-14 | -25 | SVO | |
| -71 | 2426835 | 1932-05-07 | 2426846 | 1932-05-18 | -11 | SVO | |
| -70 | 2427093 | 1933-01-20 | 2427106 | 1933-02-02 | -13 | SVO | |
| -69 | 2427370 | 1933-10-24 | 2427366 | 1933-10-20 | 4 | SVO | |
| -68 | 2427620 | 1934-07-01 | 2427626 | 1934-07-07 | -6 | SVO | |
| -67 | 2427898 | 1935-04-05 | 2427886 | 1935-03-24 | 12 | SVO | |
| -66 | 9.2 | 2428176 | 1936-01-08 | 2428147 | 1935-12-10 | 29 | AAVSO |
| -64 | 9.0 | 2428705 | 1937-06-20 | 2428667 | 1937-05-13 | 38 | AAVSO |
| -63 | 9.4 | 2428974 | 1938-03-16 | 2428927 | 1938-01-28 | 47 | SVO |
| -62 | 8.8 | 2429243 | 1938-12-10 | 2429187 | 1938-10-15 | 56 | AAVSO |
| -61 | 2429517 | 1939-09-10 | 2429447 | 1939-07-02 | 70 | AAVSO | |
| -60 | 2429781 | 1940-05-31 | 2429708 | 1940-03-19 | 73 | AAVSO | |
| -59 | 8.2 | 2430043 | 1941-02-17 | 2429968 | 1940-12-04 | 75 | AAVSO |
| -58 | 2430299 | 1941-10-31 | 2430228 | 1941-08-21 | 71 | AAVSO | |
| -57 | 2430571 | 1942-07-30 | 2430488 | 1942-05-08 | 83 | AAVSO | |
| -56 | 9.8 | 2430832 | 1943-04-17 | 2430748 | 1943-01-23 | 84 | SVO |
| -55 | 8.9 | 2431097 | 1944-01-07 | 2431009 | 1943-10-11 | 88 | AAVSO |
| -54 | 2431355 | 1944-09-21 | 2431269 | 1944-06-27 | 86 | AAVSO | |
| -53 | 9.1 | 2431612 | 1945-06-05 | 2431529 | 1945-03-14 | 83 | AAVSO |
| -52 | 9.4 | 2431873 | 1946-02-21 | 2431789 | 1945-11-29 | 84 | SVO |
| -51 | 9.5 | 2432146 | 1946-11-21 | 2432049 | 1946-08-16 | 97 | AAVSO |
| -50 | 2432403 | 1947-08-05 | 2432309 | 1947-05-03 | 94 | AAVSO | |
| -49 | 9.3 | 2432660 | 1948-04-18 | 2432570 | 1948-01-19 | 90 | SVO |
| -48 | 9.3 | 2432920 | 1949-01-03 | 2432830 | 1948-10-05 | 90 | SVO |
| -47 | 2433191 | 1949-10-01 | 2433090 | 1949-06-22 | 101 | AAVSO | |
| -46 | 9.0 | 2433448 | 1950-06-15 | 2433350 | 1950-03-09 | 98 | AAVSO |
| -45 | 9.3 | 2433706 | 1951-02-28 | 2433610 | 1950-11-24 | 96 | SVO |
| -44 | 9.3 | 2433982 | 1951-12-01 | 2433870 | 1951-08-11 | 112 | AAVSO |
| -43 | 9.6 | 2434229 | 1952-08-04 | 2434131 | 1952-04-28 | 98 | AAVSO |
| -42 | 9.7 | 2434482 | 1953-04-14 | 2434391 | 1953-01-13 | 91 | AAVSO |
| -41 | 9.7 | 2434740 | 1953-12-28 | 2434651 | 1953-09-30 | 89 | AAVSO |
| -40 | 2434993 | 1954-09-07 | 2434911 | 1954-06-17 | 82 | AAVSO | |
| -39 | 9.4 | 2435245 | 1955-05-17 | 2435171 | 1955-03-04 | 74 | AAVSO |
| -38 | 9.8 | 2435504 | 1956-01-31 | 2435431 | 1955-11-19 | 73 | AAVSO |
| -37 | 9.4 | 2435759 | 1956-10-12 | 2435692 | 1956-08-06 | 67 | AAVSO |
| -36 | 9.5 | 2436003 | 1957-06-13 | 2435952 | 1957-04-23 | 51 | AAVSO |
| -35 | 9.5 | 2436269 | 1958-03-06 | 2436212 | 1958-01-08 | 57 | SVO |
| -34 | 9.7 | 2436526 | 1958-11-18 | 2436472 | 1958-09-25 | 54 | AAVSO |
| -33 | 9.8 | 2436764 | 1959-07-14 | 2436732 | 1959-06-12 | 32 | AAVSO |
| -32 | 9.3 | 2437029 | 1960-04-04 | 2436992 | 1960-02-27 | 37 | SVO |
| -31 | 9.8 | 2437270 | 1960-12-01 | 2437253 | 1960-11-14 | 17 | AAVSO |
| -30 | 2437520 | 1961-08-08 | 2437513 | 1961-08-01 | 7 | AAVSO | |
| -29 | 9.5 | 2437780 | 1962-04-25 | 2437773 | 1962-04-18 | 7 | AAVSO |
| -28 | 9.7 | 2438048 | 1963-01-18 | 2438033 | 1963-01-03 | 15 | AAVSO |
| -27 | 2438300 | 1963-09-27 | 2438293 | 1963-09-20 | 7 | AAVSO | |
| -26 | 9.0 | 2438549 | 1964-06-02 | 2438554 | 1964-06-07 | -5 | AAVSO |
| -25 | 9.3 | 2438810 | 1965-02-18 | 2438814 | 1965-02-22 | -4 | SVO |
| -24 | 2439062 | 1965-10-28 | 2439074 | 1965-11-09 | -12 | AAVSO | |
| -23 | 9.6 | 2439316 | 1966-07-09 | 2439334 | 1966-07-27 | -18 | AAVSO |
| -22 | 9.3 | 2439574 | 1967-03-24 | 2439594 | 1967-04-13 | -20 | SVO |
| -21 | 9.1 | 2439833 | 1967-12-08 | 2439854 | 1967-12-29 | -21 | AAVSO |
| -20 | 2440096 | 1968-08-27 | 2440115 | 1968-09-15 | -19 | AAVSO | |
| -19 | 9.2 | 2440364 | 1969-05-22 | 2440375 | 1969-06-02 | -11 | AAVSO |
| -18 | 9.1 | 2440619 | 1970-02-01 | 2440635 | 1970-02-17 | -16 | AAVSO |
| -17 | 9.0 | 2440884 | 1970-10-24 | 2440895 | 1970-11-04 | -11 | AAVSO |
| -16 | 2441146 | 1971-07-13 | 2441155 | 1971-07-22 | -9 | AAVSO | |
| -15 | 9.6 | 2441405 | 1972-03-28 | 2441415 | 1972-04-07 | -10 | SVO |
| -14 | 8.7 | 2441675 | 1972-12-23 | 2441676 | 1972-12-24 | -1 | AAVSO |
| -13 | 2441928 | 1973-09-02 | 2441936 | 1973-09-10 | -8 | AAVSO | |
| -12 | 9.4 | 2442184 | 1974-05-16 | 2442196 | 1974-05-28 | -12 | AAVSO |
| -11 | 9.3 | 2442461 | 1975-02-17 | 2442456 | 1975-02-12 | 5 | SVO |
| -10 | 8.7 | 2442724 | 1975-11-07 | 2442716 | 1975-10-30 | 8 | AAVSO |
| -9 | 10.7 | 2442985 | 1976-07-25 | 2442976 | 1976-07-16 | 9 | AAVSO |
| -8 | 9.4 | 2443260 | 1977-04-26 | 2443237 | 1977-04-03 | 23 | SVO |
| -7 | 9.5 | 2443523 | 1978-01-14 | 2443497 | 1977-12-19 | 26 | SVO |
| -6 | 9.4 | 2443781 | 1978-09-29 | 2443757 | 1978-09-05 | 24 | AAVSO |
| -5 | 9.3 | 2444047 | 1979-06-22 | 2444017 | 1979-05-23 | 30 | AAVSO |
| -4 | 9.5 | 2444324 | 1980-03-25 | 2444277 | 1980-02-07 | 47 | SVO |
| -3 | 10.0 | 2444598 | 1980-12-24 | 2444537 | 1980-10-24 | 61 | SVO |
| -2 | 10.8 | 2444840 | 1981-08-23 | 2444798 | 1981-07-12 | 42 | AAVSO |
| -1 | 8.9 | 2445129 | 1982-06-08 | 2445058 | 1982-03-29 | 71 | AAVSO |
| 0 | 9.2 | 2445386 | 1983-02-20 | 2445318 | 1982-12-14 | 68 | SVO |
| 1 | 9.2 | 2445659 | 1983-11-20 | 2445578 | 1983-08-31 | 81 | AAVSO |
| 2 | 2445924 | 1984-08-11 | 2445838 | 1984-05-17 | 86 | AAVSO | |
| 3 | 9.4 | 2446197 | 1985-05-11 | 2446098 | 1985-02-01 | 99 | SVO |
| 4 | 9.1 | 2446442 | 1986-01-11 | 2446359 | 1985-10-20 | 83 | SVO |
| 5 | 10.0 | 2446703 | 1986-09-29 | 2446619 | 1986-07-07 | 84 | AAVSO |
| 6 | 9.1 | 2446963 | 1987-06-16 | 2446879 | 1987-03-24 | 84 | AAVSO |
| 7 | 9.2 | 2447220 | 1988-02-28 | 2447139 | 1987-12-09 | 81 | SVO |
| 8 | 2447478 | 1988-11-12 | 2447399 | 1988-08-25 | 79 | AAVSO | |
| 9 | 2447736 | 1989-07-28 | 2447660 | 1989-05-13 | 76 | AAVSO | |
| 10 | 9.9 | 2448012 | 1990-04-30 | 2447920 | 1990-01-28 | 92 | SVO |
| 11 | 2448248 | 1990-12-22 | 2448180 | 1990-10-15 | 68 | AAVSO | |
| 12 | 2448493 | 1991-08-24 | 2448440 | 1991-07-02 | 53 | AAVSO | |
| 13 | 2448754 | 1992-05-11 | 2448700 | 1992-03-18 | 54 | AAVSO | |
| 14 | 9.4 | 2449007 | 1993-01-19 | 2448960 | 1992-12-03 | 47 | SVO |
| 15 | 2449241 | 1993-09-10 | 2449221 | 1993-08-21 | 20 | AAVSO | |
| 16 | 2449499 | 1994-05-26 | 2449481 | 1994-05-08 | 18 | AAVSO | |
| 17 | 9.3 | 2449760 | 1995-02-11 | 2449741 | 1995-01-23 | 19 | SVO |
| 18 | 2450015 | 1995-10-24 | 2450001 | 1995-10-10 | 14 | AAVSO | |
| 19 | 2450250 | 1996-06-15 | 2450261 | 1996-06-26 | -11 | SVO | |
| 20 | 9.3 | 2450526 | 1997-03-18 | 2450521 | 1997-03-13 | 5 | SVO |
| 21 | 2450780 | 1997-11-27 | 2450782 | 1997-11-29 | -2 | AAVSO | |
| 22 | 2451030 | 1998-08-04 | 2451042 | 1998-08-16 | -12 | AAVSO | |
| 23 | 9.5 | 2451296 | 1999-04-27 | 2451302 | 1999-05-03 | -6 | SVO |
| 24 | 9.2 | 2451541 | 1999-12-28 | 2451562 | 2000-01-18 | -21 | SVO |
| 25 | 2451805 | 2000-09-17 | 2451822 | 2000-10-04 | -17 | AAVSO | |
| 26 | 9.2 | 2452056 | 2001-05-26 | 2452082 | 2001-06-21 | -26 | SVO |
| 27 | 9.3 | 2452305 | 2002-01-30 | 2452343 | 2002-03-09 | -38 | SVO |
| 28 | 2452559 | 2002-10-11 | 2452603 | 2002-11-24 | -44 | AAVSO | |
| 29 | 2452819 | 2003-06-28 | 2452863 | 2003-08-11 | -44 | AAVSO | |
| 30 | 9.2 | 2453069 | 2004-03-04 | 2453123 | 2004-04-27 | -54 | SVO |
| 31 | 2453339 | 2004-11-29 | 2453383 | 2005-01-12 | -44 | AAVSO | |
| 32 | 2453576 | 2005-07-24 | 2453643 | 2005-09-29 | -67 | AAVSO | |
| 33 | 9.3 | 2453830 | 2006-04-04 | 2453904 | 2006-06-17 | -74 | SVO |
| 34 | 9.3 | 2454098 | 2006-12-28 | 2454164 | 2007-03-04 | -66 | SVO |
| 35 | 2454347 | 2007-09-03 | 2454424 | 2007-11-19 | -77 | AAVSO | |
| 36 | 9.0 | 2454602 | 2008-05-15 | 2454684 | 2008-08-05 | -82 | SVO |
| 37 | 9.0 | 2454868 | 2009-02-05 | 2454944 | 2009-04-22 | -76 | SVO |
| 38 | 9.3 | 2455128 | 2009-10-23 | 2455205 | 2010-01-08 | -77 | AAVSO |
| 39 | 9.0 | 2455391 | 2010-07-13 | 2455465 | 2010-09-25 | -74 | AAVSO |
| 40 | 9.0 | 2455650 | 2011-03-29 | 2455725 | 2011-06-12 | -75 | SVO |
| 41 | 9.2 | 2455918 | 2011-12-22 | 2455985 | 2012-02-27 | -67 | SVO |
| 42 | 2456167 | 2012-08-27 | 2456245 | 2012-11-13 | -78 | AAVSO | |
| 43 | 9.4 | 2456440 | 2013-05-27 | 2456505 | 2013-07-31 | -65 | AAVSO |
| 44 | 9.2 | 2456708 | 2014-02-19 | 2456766 | 2014-04-18 | -58 | SVO |
| 45 | 9.2 | 2456974 | 2014-11-12 | 2457026 | 2015-01-03 | -52 | SVO |
| 46 | 9.1 | 2457228 | 2015-07-24 | 2457286 | 2015-09-20 | -58 | AAVSO |
| 47 | 9.3 | 2457490 | 2016-04-11 | 2457546 | 2016-06-06 | -56 | SVO |
| 48 | 9.1 | 2457756 | 2017-01-02 | 2457806 | 2017-02-21 | -50 | SVO |
| 49 | 9.1 | 2458009 | 2017-09-12 | 2458066 | 2017-11-08 | -57 | SVO |
| 50 | 2458260 | 2018-05-21 | 2458327 | 2018-07-27 | -67 | SVO | |
| 51 | 9.4 | 2458529 | 2019-02-14 | 2458587 | 2019-04-13 | -58 | SVO |
| 52 | 2458800 | 2019-11-12 | 2458847 | 2019-12-29 | -47 | SVO | |
| 53 | 2459050 | 2020-07-19 | 2459107 | 2020-09-14 | -57 | SVO | |
| 54 | 9.3 | 2459317 | 2021-04-12 | 2459367 | 2021-06-01 | -50 | SVO |
| 55 | 9.1 | 2459571 | 2021-12-22 | 2459627 | 2022-02-16 | -56 | SVO |
| 56 | 9.4 | 2459840 | 2022-09-17 | 2459888 | 2022-11-04 | -48 | 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. |