| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -120 | 2407058 | 1878-03-14 | 2407275 | 1878-10-17 | -217 | GuL, 1918, 1.1 | |
| -110 | 2411031 | 1889-01-28 | 2411215 | 1889-07-31 | -184 | GuL, 1918, 1.1 | |
| -100 | 2415041 | 1900-01-21 | 2415155 | 1900-05-15 | -114 | AnHar, 1909, vol 55, p 95 | |
| -99 | 2415437 | 1901-02-21 | 2415549 | 1901-06-13 | -112 | AnHar, 1909, vol 55, p 95 | |
| -98 | 2415840 | 1902-03-31 | 2415943 | 1902-07-12 | -103 | SVO | |
| -97 | 2416230 | 1903-04-25 | 2416337 | 1903-08-10 | -107 | SVO | |
| -96 | 2416630 | 1904-05-29 | 2416731 | 1904-09-07 | -101 | SVO | |
| -95 | 2417023 | 1905-06-26 | 2417125 | 1905-10-06 | -102 | SVO | |
| -91 | 2418595 | 1909-10-15 | 2418701 | 1910-01-29 | -106 | SVO | |
| -90 | 2419000 | 1910-11-24 | 2419095 | 1911-02-27 | -95 | SVO | |
| -89 | 9.0 | 2419399 | 1911-12-28 | 2419489 | 1912-03-27 | -90 | SVO |
| -86 | 2420590 | 1915-04-02 | 2420671 | 1915-06-22 | -81 | SVO | |
| -85 | 2420990 | 1916-05-06 | 2421065 | 1916-07-20 | -75 | SVO | |
| -84 | 2421400 | 1917-06-20 | 2421459 | 1917-08-18 | -59 | SVO | |
| -82 | 9.2 | 2422201 | 1919-08-30 | 2422247 | 1919-10-15 | -46 | SVO |
| -81 | 8.7 | 2422597 | 1920-09-29 | 2422641 | 1920-11-12 | -44 | SVO |
| -80 | 8.8 | 2422995 | 1921-11-01 | 2423035 | 1921-12-11 | -40 | SVO |
| -79 | 8.6 | 2423389 | 1922-11-30 | 2423429 | 1923-01-09 | -40 | SVO |
| -78 | 8.5 | 2423776 | 1923-12-22 | 2423823 | 1924-02-07 | -47 | SVO |
| -77 | 8.5 | 2424184 | 1925-02-02 | 2424217 | 1925-03-07 | -33 | SVO |
| -76 | 8.9 | 2424568 | 1926-02-21 | 2424611 | 1926-04-05 | -43 | SVO |
| -75 | 9.3 | 2424973 | 1927-04-02 | 2425005 | 1927-05-04 | -32 | SVO |
| -74 | 8.6 | 2425347 | 1928-04-10 | 2425399 | 1928-06-01 | -52 | SVO |
| -73 | 9.2 | 2425741 | 1929-05-09 | 2425793 | 1929-06-30 | -52 | SVO |
| -72 | 8.5 | 2426135 | 1930-06-07 | 2426187 | 1930-07-29 | -52 | SVO |
| -71 | 8.9 | 2426529 | 1931-07-06 | 2426581 | 1931-08-27 | -52 | SVO |
| -70 | 8.5 | 2426910 | 1932-07-21 | 2426975 | 1932-09-24 | -65 | SVO |
| -69 | 8.6 | 2427304 | 1933-08-19 | 2427369 | 1933-10-23 | -65 | SVO |
| -68 | 8.7 | 2427698 | 1934-09-17 | 2427763 | 1934-11-21 | -65 | SVO |
| -67 | 8.8 | 2428099 | 1935-10-23 | 2428157 | 1935-12-20 | -58 | SVO |
| -66 | 8.5 | 2428488 | 1936-11-15 | 2428551 | 1937-01-17 | -63 | SVO |
| -65 | 8.6 | 2428881 | 1937-12-13 | 2428945 | 1938-02-15 | -64 | SVO |
| -64 | 8.6 | 2429283 | 1939-01-19 | 2429339 | 1939-03-16 | -56 | SVO |
| -63 | 8.7 | 2429683 | 1940-02-23 | 2429733 | 1940-04-13 | -50 | SVO |
| -62 | 8.4 | 2430094 | 1941-04-09 | 2430127 | 1941-05-12 | -33 | SVO |
| -61 | 9.2 | 2430488 | 1942-05-08 | 2430521 | 1942-06-10 | -33 | SVO |
| -60 | 8.8 | 2430894 | 1943-06-18 | 2430915 | 1943-07-09 | -21 | SVO |
| -59 | 8.6 | 2431287 | 1944-07-15 | 2431309 | 1944-08-06 | -22 | SVO |
| -58 | 8.5 | 2431699 | 1945-08-31 | 2431703 | 1945-09-04 | -4 | SVO |
| -57 | 9.0 | 2432104 | 1946-10-10 | 2432097 | 1946-10-03 | 7 | SVO |
| -56 | 8.7 | 2432507 | 1947-11-17 | 2432491 | 1947-11-01 | 16 | SVO |
| -55 | 9.0 | 2432912 | 1948-12-26 | 2432885 | 1948-11-29 | 27 | SVO |
| -54 | 8.5 | 2433322 | 1950-02-09 | 2433279 | 1949-12-28 | 43 | SVO |
| -53 | 9.2 | 2433726 | 1951-03-20 | 2433673 | 1951-01-26 | 53 | SVO |
| -52 | 8.4 | 2434123 | 1952-04-20 | 2434067 | 1952-02-24 | 56 | SVO |
| -51 | 8.7 | 2434524 | 1953-05-26 | 2434461 | 1953-03-24 | 63 | SVO |
| -50 | 8.9 | 2434920 | 1954-06-26 | 2434855 | 1954-04-22 | 65 | SVO |
| -49 | 9.2 | 2435308 | 1955-07-19 | 2435249 | 1955-05-21 | 59 | SVO |
| -48 | 8.4 | 2435686 | 1956-07-31 | 2435643 | 1956-06-18 | 43 | SVO |
| -47 | 8.8 | 2436087 | 1957-09-05 | 2436037 | 1957-07-17 | 50 | SVO |
| -46 | 8.8 | 2436473 | 1958-09-26 | 2436431 | 1958-08-15 | 42 | SVO |
| -45 | 8.6 | 2436859 | 1959-10-17 | 2436825 | 1959-09-13 | 34 | SVO |
| -44 | 8.6 | 2437239 | 1960-10-31 | 2437219 | 1960-10-11 | 20 | SVO |
| -43 | 9.0 | 2437631 | 1961-11-27 | 2437613 | 1961-11-09 | 18 | SVO |
| -42 | 8.7 | 2438013 | 1962-12-14 | 2438007 | 1962-12-08 | 6 | SVO |
| -41 | 9.0 | 2438400 | 1964-01-05 | 2438401 | 1964-01-06 | -1 | SVO |
| -40 | 8.8 | 2438782 | 1965-01-21 | 2438795 | 1965-02-03 | -13 | SVO |
| -39 | 8.9 | 2439171 | 1966-02-14 | 2439189 | 1966-03-04 | -18 | SVO |
| -38 | 8.7 | 2439570 | 1967-03-20 | 2439583 | 1967-04-02 | -13 | SVO |
| -37 | 9.2 | 2439960 | 1968-04-13 | 2439977 | 1968-04-30 | -17 | SVO |
| -36 | 8.8 | 2440360 | 1969-05-18 | 2440371 | 1969-05-29 | -11 | SVO |
| -35 | 8.9 | 2440749 | 1970-06-11 | 2440765 | 1970-06-27 | -16 | SVO |
| -34 | 8.7 | 2441147 | 1971-07-14 | 2441159 | 1971-07-26 | -12 | SVO |
| -33 | 9.0 | 2441539 | 1972-08-09 | 2441553 | 1972-08-23 | -14 | SVO |
| -32 | 8.8 | 2441952 | 1973-09-26 | 2441947 | 1973-09-21 | 5 | SVO |
| -31 | 9.4 | 2442346 | 1974-10-25 | 2442341 | 1974-10-20 | 5 | SVO |
| -30 | 8.5 | 2442736 | 1975-11-19 | 2442735 | 1975-11-18 | 1 | SVO |
| -29 | 9.1 | 2443136 | 1976-12-23 | 2443129 | 1976-12-16 | 7 | SVO |
| -28 | 8.9 | 2443541 | 1978-02-01 | 2443523 | 1978-01-14 | 18 | SVO |
| -27 | 8.6 | 2443936 | 1979-03-03 | 2443917 | 1979-02-12 | 19 | SVO |
| -26 | 8.9 | 2444341 | 1980-04-11 | 2444311 | 1980-03-12 | 30 | SVO |
| -25 | 8.5 | 2444733 | 1981-05-08 | 2444705 | 1981-04-10 | 28 | SVO |
| -24 | 9.1 | 2445132 | 1982-06-11 | 2445099 | 1982-05-09 | 33 | SVO |
| -23 | 8.6 | 2445535 | 1983-07-19 | 2445493 | 1983-06-07 | 42 | SVO |
| -22 | 9.2 | 2445929 | 1984-08-16 | 2445887 | 1984-07-05 | 42 | SVO |
| -21 | 9.3 | 2446333 | 1985-09-24 | 2446281 | 1985-08-03 | 52 | SVO |
| -20 | 8.6 | 2446716 | 1986-10-12 | 2446675 | 1986-09-01 | 41 | SVO |
| -19 | 9.2 | 2447107 | 1987-11-07 | 2447069 | 1987-09-30 | 38 | SVO |
| -18 | 9.1 | 2447505 | 1988-12-09 | 2447463 | 1988-10-28 | 42 | SVO |
| -17 | 8.6 | 2447893 | 1990-01-01 | 2447857 | 1989-11-26 | 36 | SVO |
| -16 | 9.0 | 2448284 | 1991-01-27 | 2448251 | 1990-12-25 | 33 | SVO |
| -15 | 8.5 | 2448671 | 1992-02-18 | 2448645 | 1992-01-23 | 26 | SVO |
| -14 | 9.1 | 2449071 | 1993-03-24 | 2449039 | 1993-02-20 | 32 | SVO |
| -13 | 8.7 | 2449465 | 1994-04-22 | 2449433 | 1994-03-21 | 32 | SVO |
| -12 | 9.1 | 2449847 | 1995-05-09 | 2449827 | 1995-04-19 | 20 | SVO |
| -11 | 8.9 | 2450235 | 1996-05-31 | 2450221 | 1996-05-17 | 14 | SVO |
| -10 | 9.2 | 2450629 | 1997-06-29 | 2450615 | 1997-06-15 | 14 | SVO |
| -9 | 8.9 | 2451025 | 1998-07-30 | 2451009 | 1998-07-14 | 16 | SVO |
| -8 | 8.7 | 2451421 | 1999-08-30 | 2451403 | 1999-08-12 | 18 | SVO |
| -7 | 8.9 | 2451820 | 2000-10-02 | 2451797 | 2000-09-09 | 23 | SVO |
| -6 | 8.8 | 2452196 | 2001-10-13 | 2452191 | 2001-10-08 | 5 | SVO |
| -5 | 8.3 | 2452589 | 2002-11-10 | 2452585 | 2002-11-06 | 4 | SVO |
| -4 | 9.0 | 2452986 | 2003-12-12 | 2452979 | 2003-12-05 | 7 | SVO |
| -3 | 8.6 | 2453378 | 2005-01-07 | 2453373 | 2005-01-02 | 5 | SVO |
| -2 | 9.0 | 2453772 | 2006-02-05 | 2453767 | 2006-01-31 | 5 | SVO |
| -1 | 8.9 | 2454173 | 2007-03-13 | 2454161 | 2007-03-01 | 12 | SVO |
| 0 | 8.1 | 2454560 | 2008-04-03 | 2454555 | 2008-03-29 | 5 | SVO |
| 1 | 8.9 | 2454963 | 2009-05-11 | 2454949 | 2009-04-27 | 14 | SVO |
| 2 | 8.7 | 2455371 | 2010-06-23 | 2455343 | 2010-05-26 | 28 | SVO |
| 3 | 9.0 | 2455755 | 2011-07-12 | 2455737 | 2011-06-24 | 18 | AAVSO |
| 4 | 9.6 | 2456153 | 2012-08-13 | 2456131 | 2012-07-22 | 22 | AAVSO |
| 5 | 2456558 | 2013-09-22 | 2456525 | 2013-08-20 | 33 | AAVSO | |
| 6 | 8.4 | 2456951 | 2014-10-20 | 2456919 | 2014-09-18 | 32 | SVO |
| 7 | 8.6 | 2457349 | 2015-11-22 | 2457313 | 2015-10-17 | 36 | SVO |
| 8 | 8.7 | 2457737 | 2016-12-14 | 2457707 | 2016-11-14 | 30 | SVO |
| 9 | 8.4 | 2458121 | 2018-01-02 | 2458101 | 2017-12-13 | 20 | SVO |
| 10 | 8.7 | 2458513 | 2019-01-29 | 2458495 | 2019-01-11 | 18 | SVO |
| 11 | 8.5 | 2458899 | 2020-02-19 | 2458889 | 2020-02-09 | 10 | SVO |
| 12 | 8.2 | 2459293 | 2021-03-19 | 2459283 | 2021-03-09 | 10 | SVO |
| 13 | 8.7 | 2459687 | 2022-04-17 | 2459677 | 2022-04-07 | 10 | 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. |