| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -109 | 2410199 | 1886-10-19 | 2410195 | 1886-10-15 | 4 | PLPla, 1950, vol 26, p 5 | |
| -95 | 2414016 | 1897-04-01 | 2414036 | 1897-04-21 | -20 | GuL, 1918, 1.1 | |
| -94 | 2414268 | 1897-12-09 | 2414311 | 1898-01-21 | -43 | AnHar, 1909, vol 55, p 95 | |
| -86 | 2416460 | 1903-12-11 | 2416506 | 1904-01-26 | -46 | AnHar, 1952, vol 115 | |
| -85 | 2416750 | 1904-09-26 | 2416780 | 1904-10-26 | -30 | AnHar, 1952, vol 115 | |
| -69 | 2421180 | 1916-11-12 | 2421170 | 1916-11-02 | 10 | AnHar, 1952, vol 115 | |
| -67 | 9.3 | 2421717 | 1918-05-03 | 2421719 | 1918-05-05 | -2 | SVO |
| -66 | 10.1 | 2421998 | 1919-02-08 | 2421993 | 1919-02-03 | 5 | SVO |
| -65 | 9.3 | 2422274 | 1919-11-11 | 2422267 | 1919-11-04 | 7 | SVO |
| -63 | 2422832 | 1921-05-22 | 2422816 | 1921-05-06 | 16 | AAVSO | |
| -62 | 2423098 | 1922-02-12 | 2423090 | 1922-02-04 | 8 | AAVSO | |
| -61 | 9.3 | 2423372 | 1922-11-13 | 2423365 | 1922-11-06 | 7 | AAVSO |
| -58 | 2424170 | 1925-01-19 | 2424188 | 1925-02-06 | -18 | AAVSO | |
| -53 | 9.2 | 2425560 | 1928-11-09 | 2425560 | 1928-11-09 | 0 | SVO |
| -52 | 2425839 | 1929-08-15 | 2425834 | 1929-08-10 | 5 | AAVSO | |
| -51 | 2426122 | 1930-05-25 | 2426108 | 1930-05-11 | 14 | AAVSO | |
| -50 | 10.4 | 2426398 | 1931-02-25 | 2426383 | 1931-02-10 | 15 | SVO |
| -49 | 9.5 | 2426662 | 1931-11-16 | 2426657 | 1931-11-11 | 5 | AAVSO |
| -47 | 2427209 | 1933-05-16 | 2427206 | 1933-05-13 | 3 | AAVSO | |
| -46 | 9.4 | 2427493 | 1934-02-24 | 2427480 | 1934-02-11 | 13 | AAVSO |
| -45 | 8.8 | 2427759 | 1934-11-17 | 2427754 | 1934-11-12 | 5 | AAVSO |
| -44 | 2428032 | 1935-08-17 | 2428029 | 1935-08-14 | 3 | AAVSO | |
| -43 | 2428306 | 1936-05-17 | 2428303 | 1936-05-14 | 3 | AAVSO | |
| -42 | 9.3 | 2428582 | 1937-02-17 | 2428578 | 1937-02-13 | 4 | SVO |
| -41 | 9.7 | 2428851 | 1937-11-13 | 2428852 | 1937-11-14 | -1 | SVO |
| -40 | 2429122 | 1938-08-11 | 2429126 | 1938-08-15 | -4 | AAVSO | |
| -39 | 8.9 | 2429392 | 1939-05-08 | 2429401 | 1939-05-17 | -9 | AAVSO |
| -38 | 9.4 | 2429681 | 1940-02-21 | 2429675 | 1940-02-15 | 6 | SVO |
| -37 | 9.1 | 2429951 | 1940-11-17 | 2429949 | 1940-11-15 | 2 | SVO |
| -36 | 9.5 | 2430225 | 1941-08-18 | 2430224 | 1941-08-17 | 1 | AAVSO |
| -35 | 9.5 | 2430506 | 1942-05-26 | 2430498 | 1942-05-18 | 8 | SVO |
| -34 | 9.8 | 2430793 | 1943-03-09 | 2430772 | 1943-02-16 | 21 | SVO |
| -33 | 9.2 | 2431060 | 1943-12-01 | 2431047 | 1943-11-18 | 13 | SVO |
| -32 | 8.5 | 2431334 | 1944-08-31 | 2431321 | 1944-08-18 | 13 | AAVSO |
| -31 | 9.4 | 2431604 | 1945-05-28 | 2431596 | 1945-05-20 | 8 | AAVSO |
| -30 | 9.4 | 2431883 | 1946-03-03 | 2431870 | 1946-02-18 | 13 | SVO |
| -29 | 9.5 | 2432158 | 1946-12-03 | 2432144 | 1946-11-19 | 14 | SVO |
| -28 | 9.3 | 2432432 | 1947-09-03 | 2432419 | 1947-08-21 | 13 | SVO |
| -27 | 9.3 | 2432703 | 1948-05-31 | 2432693 | 1948-05-21 | 10 | SVO |
| -26 | 9.7 | 2432971 | 1949-02-23 | 2432967 | 1949-02-19 | 4 | SVO |
| -25 | 9.2 | 2433241 | 1949-11-20 | 2433242 | 1949-11-21 | -1 | SVO |
| -24 | 9.9 | 2433524 | 1950-08-30 | 2433516 | 1950-08-22 | 8 | SVO |
| -23 | 9.5 | 2433792 | 1951-05-25 | 2433790 | 1951-05-23 | 2 | SVO |
| -22 | 9.8 | 2434070 | 1952-02-27 | 2434065 | 1952-02-22 | 5 | SVO |
| -21 | 9.2 | 2434338 | 1952-11-21 | 2434339 | 1952-11-22 | -1 | SVO |
| -20 | 9.6 | 2434610 | 1953-08-20 | 2434613 | 1953-08-23 | -3 | SVO |
| -19 | 9.9 | 2434892 | 1954-05-29 | 2434888 | 1954-05-25 | 4 | SVO |
| -18 | 9.4 | 2435164 | 1955-02-25 | 2435162 | 1955-02-23 | 2 | SVO |
| -17 | 9.4 | 2435445 | 1955-12-03 | 2435437 | 1955-11-25 | 8 | SVO |
| -16 | 10.0 | 2435722 | 1956-09-05 | 2435711 | 1956-08-25 | 11 | SVO |
| -15 | 9.4 | 2435991 | 1957-06-01 | 2435985 | 1957-05-26 | 6 | SVO |
| -14 | 9.7 | 2436266 | 1958-03-03 | 2436260 | 1958-02-25 | 6 | SVO |
| -13 | 9.4 | 2436542 | 1958-12-04 | 2436534 | 1958-11-26 | 8 | SVO |
| -12 | 9.5 | 2436811 | 1959-08-30 | 2436808 | 1959-08-27 | 3 | SVO |
| -11 | 9.3 | 2437076 | 1960-05-21 | 2437083 | 1960-05-28 | -7 | SVO |
| -10 | 9.5 | 2437354 | 1961-02-23 | 2437357 | 1961-02-26 | -3 | SVO |
| -9 | 9.5 | 2437627 | 1961-11-23 | 2437631 | 1961-11-27 | -4 | SVO |
| -8 | 9.8 | 2437902 | 1962-08-25 | 2437906 | 1962-08-29 | -4 | SVO |
| -7 | 10.0 | 2438184 | 1963-06-03 | 2438180 | 1963-05-30 | 4 | SVO |
| -6 | 9.0 | 2438455 | 1964-02-29 | 2438455 | 1964-02-29 | 0 | SVO |
| -5 | 10.0 | 2438732 | 1964-12-02 | 2438729 | 1964-11-29 | 3 | SVO |
| -4 | 9.4 | 2439005 | 1965-09-01 | 2439003 | 1965-08-30 | 2 | SVO |
| -3 | 2439278 | 1966-06-01 | 2439278 | 1966-06-01 | 0 | AAVSO | |
| -2 | 9.6 | 2439554 | 1967-03-04 | 2439552 | 1967-03-02 | 2 | SVO |
| -1 | 8.9 | 2439840 | 1967-12-15 | 2439826 | 1967-12-01 | 14 | SVO |
| 0 | 10.0 | 2440117 | 1968-09-17 | 2440101 | 1968-09-01 | 16 | SVO |
| 1 | 2440389 | 1969-06-16 | 2440375 | 1969-06-02 | 14 | AAVSO | |
| 2 | 9.6 | 2440667 | 1970-03-21 | 2440649 | 1970-03-03 | 18 | SVO |
| 3 | 9.3 | 2440940 | 1970-12-19 | 2440924 | 1970-12-03 | 16 | SVO |
| 4 | 10.0 | 2441207 | 1971-09-12 | 2441198 | 1971-09-03 | 9 | AAVSO |
| 5 | 2441487 | 1972-06-18 | 2441472 | 1972-06-03 | 15 | AAVSO | |
| 6 | 9.5 | 2441769 | 1973-03-27 | 2441747 | 1973-03-05 | 22 | SVO |
| 7 | 9.5 | 2442037 | 1973-12-20 | 2442021 | 1973-12-04 | 16 | SVO |
| 8 | 9.4 | 2442307 | 1974-09-16 | 2442296 | 1974-09-05 | 11 | SVO |
| 9 | 10.3 | 2442582 | 1975-06-18 | 2442570 | 1975-06-06 | 12 | AAVSO |
| 10 | 8.9 | 2442850 | 1976-03-12 | 2442844 | 1976-03-06 | 6 | AAVSO |
| 11 | 10.2 | 2443126 | 1976-12-13 | 2443119 | 1976-12-06 | 7 | SVO |
| 12 | 9.9 | 2443402 | 1977-09-15 | 2443393 | 1977-09-06 | 9 | AAVSO |
| 13 | 2443675 | 1978-06-15 | 2443667 | 1978-06-07 | 8 | AAVSO | |
| 14 | 8.7 | 2443932 | 1979-02-27 | 2443942 | 1979-03-09 | -10 | AAVSO |
| 15 | 10.8 | 2444218 | 1979-12-10 | 2444216 | 1979-12-08 | 2 | SVO |
| 16 | 10.4 | 2444495 | 1980-09-12 | 2444490 | 1980-09-07 | 5 | SVO |
| 17 | 10.2 | 2444753 | 1981-05-28 | 2444765 | 1981-06-09 | -12 | AAVSO |
| 18 | 10.5 | 2445028 | 1982-02-27 | 2445039 | 1982-03-10 | -11 | AAVSO |
| 19 | 9.5 | 2445305 | 1982-12-01 | 2445314 | 1982-12-10 | -9 | SVO |
| 20 | 10.3 | 2445582 | 1983-09-04 | 2445588 | 1983-09-10 | -6 | SVO |
| 21 | 9.1 | 2445847 | 1984-05-26 | 2445862 | 1984-06-10 | -15 | SVO |
| 22 | 9.9 | 2446132 | 1985-03-07 | 2446137 | 1985-03-12 | -5 | SVO |
| 23 | 9.4 | 2446396 | 1985-11-26 | 2446411 | 1985-12-11 | -15 | SVO |
| 24 | 9.4 | 2446674 | 1986-08-31 | 2446685 | 1986-09-11 | -11 | SVO |
| 25 | 8.9 | 2446948 | 1987-06-01 | 2446960 | 1987-06-13 | -12 | AAVSO |
| 26 | 2447232 | 1988-03-11 | 2447234 | 1988-03-13 | -2 | AAVSO | |
| 27 | 9.1 | 2447496 | 1988-11-30 | 2447508 | 1988-12-12 | -12 | SVO |
| 28 | 9.6 | 2447769 | 1989-08-30 | 2447783 | 1989-09-13 | -14 | SVO |
| 29 | 2448031 | 1990-05-19 | 2448057 | 1990-06-14 | -26 | AAVSO | |
| 30 | 8.8 | 2448299 | 1991-02-11 | 2448331 | 1991-03-15 | -32 | SVO |
| 31 | 10.4 | 2448583 | 1991-11-22 | 2448606 | 1991-12-15 | -23 | SVO |
| 32 | 2448857 | 1992-08-22 | 2448880 | 1992-09-14 | -23 | AAVSO | |
| 33 | 2449131 | 1993-05-23 | 2449155 | 1993-06-16 | -24 | AAVSO | |
| 34 | 2449410 | 1994-02-26 | 2449429 | 1994-03-17 | -19 | AAVSO | |
| 35 | 9.3 | 2449680 | 1994-11-23 | 2449703 | 1994-12-16 | -23 | SVO |
| 36 | 9.9 | 2449957 | 1995-08-27 | 2449978 | 1995-09-17 | -21 | SVO |
| 37 | 2450224 | 1996-05-20 | 2450252 | 1996-06-17 | -28 | AAVSO | |
| 38 | 2450505 | 1997-02-25 | 2450526 | 1997-03-18 | -21 | AAVSO | |
| 39 | 9.1 | 2450779 | 1997-11-26 | 2450801 | 1997-12-18 | -22 | SVO |
| 40 | 2451045 | 1998-08-19 | 2451075 | 1998-09-18 | -30 | AAVSO | |
| 41 | 2451327 | 1999-05-28 | 2451349 | 1999-06-19 | -22 | AAVSO | |
| 42 | 2451608 | 2000-03-04 | 2451624 | 2000-03-20 | -16 | AAVSO | |
| 43 | 9.2 | 2451882 | 2000-12-03 | 2451898 | 2000-12-19 | -16 | SVO |
| 44 | 9.6 | 2452162 | 2001-09-09 | 2452173 | 2001-09-20 | -11 | SVO |
| 45 | 2452440 | 2002-06-14 | 2452447 | 2002-06-21 | -7 | AAVSO | |
| 46 | 9.6 | 2452717 | 2003-03-18 | 2452721 | 2003-03-22 | -4 | SVO |
| 47 | 9.1 | 2452988 | 2003-12-14 | 2452996 | 2003-12-22 | -8 | SVO |
| 48 | 9.3 | 2453256 | 2004-09-07 | 2453270 | 2004-09-21 | -14 | SVO |
| 49 | 2453533 | 2005-06-11 | 2453544 | 2005-06-22 | -11 | AAVSO | |
| 50 | 2453810 | 2006-03-15 | 2453819 | 2006-03-24 | -9 | AAVSO | |
| 51 | 9.6 | 2454099 | 2006-12-29 | 2454093 | 2006-12-23 | 6 | SVO |
| 52 | 9.1 | 2454360 | 2007-09-16 | 2454367 | 2007-09-23 | -7 | SVO |
| 53 | 9.4 | 2454630 | 2008-06-12 | 2454642 | 2008-06-24 | -12 | AAVSO |
| 54 | 9.3 | 2454907 | 2009-03-16 | 2454916 | 2009-03-25 | -9 | AAVSO |
| 55 | 9.9 | 2455192 | 2009-12-26 | 2455191 | 2009-12-25 | 1 | SVO |
| 56 | 9.5 | 2455463 | 2010-09-23 | 2455465 | 2010-09-25 | -2 | SVO |
| 57 | 2455721 | 2011-06-08 | 2455739 | 2011-06-26 | -18 | AAVSO | |
| 58 | 9.4 | 2456019 | 2012-04-01 | 2456014 | 2012-03-27 | 5 | AAVSO |
| 59 | 9.7 | 2456284 | 2012-12-22 | 2456288 | 2012-12-26 | -4 | SVO |
| 60 | 9.7 | 2456558 | 2013-09-22 | 2456562 | 2013-09-26 | -4 | SVO |
| 61 | 9.5 | 2456840 | 2014-07-01 | 2456837 | 2014-06-28 | 3 | AAVSO |
| 62 | 10.0 | 2457120 | 2015-04-07 | 2457111 | 2015-03-29 | 9 | SVO |
| 63 | 9.6 | 2457393 | 2016-01-05 | 2457385 | 2015-12-28 | 8 | SVO |
| 64 | 9.5 | 2457669 | 2016-10-07 | 2457660 | 2016-09-28 | 9 | SVO |
| 65 | 9.6 | 2457950 | 2017-07-15 | 2457934 | 2017-06-29 | 16 | SVO |
| 66 | 9.6 | 2458228 | 2018-04-19 | 2458208 | 2018-03-30 | 20 | SVO |
| 67 | 9.3 | 2458509 | 2019-01-25 | 2458483 | 2018-12-30 | 26 | SVO |
| 68 | 9.2 | 2458780 | 2019-10-23 | 2458757 | 2019-09-30 | 23 | SVO |
| 69 | 9.6 | 2459065 | 2020-08-03 | 2459032 | 2020-07-01 | 33 | SVO |
| 70 | 9.1 | 2459340 | 2021-05-05 | 2459306 | 2021-04-01 | 34 | SVO |
| 71 | 9.4 | 2459621 | 2022-02-10 | 2459580 | 2021-12-31 | 41 | SVO |
| 72 | 8.8 | 2459889 | 2022-11-05 | 2459855 | 2022-10-02 | 34 | 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. |