| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -146 | 2410660 | 1888-01-23 | 2410873 | 1888-08-23 | -213 | SVO | |
| -137 | 2413355 | 1895-06-10 | 2413569 | 1896-01-10 | -214 | AnHar, 1909, vol 55, p 95 | |
| -136 | 2413658 | 1896-04-08 | 2413868 | 1896-11-04 | -210 | AnHar, 1909, vol 55, p 95 | |
| -135 | 2413960 | 1897-02-04 | 2414168 | 1897-08-31 | -208 | SVO | |
| -131 | 2415160 | 1900-05-20 | 2415366 | 1900-12-12 | -206 | SVO | |
| -130 | 2415470 | 1901-03-26 | 2415665 | 1901-10-07 | -195 | AnHar, 1952, vol 118 | |
| -129 | 2415770 | 1902-01-20 | 2415965 | 1902-08-03 | -195 | AnHar, 1952, vol 118 | |
| -128 | 2416070 | 1902-11-16 | 2416264 | 1903-05-29 | -194 | AnHar, 1952, vol 118 | |
| -125 | 8.9 | 2416995 | 1905-05-29 | 2417163 | 1905-11-13 | -168 | AAVSO |
| -124 | 2417301 | 1906-03-31 | 2417462 | 1906-09-08 | -161 | SVO | |
| -123 | 2417615 | 1907-02-08 | 2417762 | 1907-07-05 | -147 | SVO | |
| -122 | 2417933 | 1907-12-23 | 2418061 | 1908-04-29 | -128 | AAVSO | |
| -121 | 2418201 | 1908-09-16 | 2418361 | 1909-02-23 | -160 | AAVSO | |
| -120 | 2418481 | 1909-06-23 | 2418660 | 1909-12-19 | -179 | AAVSO | |
| -119 | 2418820 | 1910-05-28 | 2418960 | 1910-10-15 | -140 | SVO | |
| -117 | 2419417 | 1912-01-15 | 2419559 | 1912-06-05 | -142 | SVO | |
| -116 | 2419703 | 1912-10-27 | 2419858 | 1913-03-31 | -155 | AAVSO | |
| -114 | 2420331 | 1914-07-17 | 2420457 | 1914-11-20 | -126 | AAVSO | |
| -113 | 9.0 | 2420632 | 1915-05-14 | 2420757 | 1915-09-16 | -125 | AAVSO |
| -112 | 8.5 | 2420933 | 1916-03-10 | 2421056 | 1916-07-11 | -123 | AAVSO |
| -111 | 8.8 | 2421223 | 1916-12-25 | 2421356 | 1917-05-07 | -133 | AAVSO |
| -110 | 8.5 | 2421531 | 1917-10-29 | 2421655 | 1918-03-02 | -124 | AAVSO |
| -109 | 2421811 | 1918-08-05 | 2421955 | 1918-12-27 | -144 | AAVSO | |
| -108 | 2422110 | 1919-05-31 | 2422254 | 1919-10-22 | -144 | AAVSO | |
| -107 | 2422425 | 1920-04-10 | 2422554 | 1920-08-17 | -129 | AAVSO | |
| -106 | 8.5 | 2422733 | 1921-02-12 | 2422853 | 1921-06-12 | -120 | SVO |
| -105 | 2423034 | 1921-12-10 | 2423153 | 1922-04-08 | -119 | AAVSO | |
| -104 | 2423332 | 1922-10-04 | 2423452 | 1923-02-01 | -120 | AAVSO | |
| -103 | 2423611 | 1923-07-10 | 2423752 | 1923-11-28 | -141 | AAVSO | |
| -102 | 8.6 | 2423925 | 1924-05-19 | 2424051 | 1924-09-22 | -126 | AAVSO |
| -101 | 8.7 | 2424233 | 1925-03-23 | 2424351 | 1925-07-19 | -118 | SVO |
| -100 | 8.5 | 2424534 | 1926-01-18 | 2424650 | 1926-05-14 | -116 | SVO |
| -99 | 8.0 | 2424835 | 1926-11-15 | 2424950 | 1927-03-10 | -115 | AAVSO |
| -98 | 2425139 | 1927-09-15 | 2425249 | 1928-01-03 | -110 | AAVSO | |
| -97 | 2425452 | 1928-07-24 | 2425549 | 1928-10-29 | -97 | AAVSO | |
| -96 | 8.4 | 2425739 | 1929-05-07 | 2425848 | 1929-08-24 | -109 | AAVSO |
| -95 | 8.6 | 2426057 | 1930-03-21 | 2426148 | 1930-06-20 | -91 | SVO |
| -94 | 8.2 | 2426352 | 1931-01-10 | 2426447 | 1931-04-15 | -95 | SVO |
| -93 | 8.1 | 2426653 | 1931-11-07 | 2426747 | 1932-02-09 | -94 | AAVSO |
| -92 | 2426968 | 1932-09-17 | 2427046 | 1932-12-04 | -78 | AAVSO | |
| -91 | 2427283 | 1933-07-29 | 2427346 | 1933-09-30 | -63 | AAVSO | |
| -90 | 8.2 | 2427579 | 1934-05-21 | 2427645 | 1934-07-26 | -66 | AAVSO |
| -89 | 8.5 | 2427886 | 1935-03-24 | 2427945 | 1935-05-22 | -59 | SVO |
| -88 | 8.6 | 2428194 | 1936-01-26 | 2428244 | 1936-03-16 | -50 | SVO |
| -87 | 8.4 | 2428494 | 1936-11-21 | 2428544 | 1937-01-10 | -50 | AAVSO |
| -86 | 2428800 | 1937-09-23 | 2428843 | 1937-11-05 | -43 | AAVSO | |
| -85 | 2429104 | 1938-07-24 | 2429143 | 1938-09-01 | -39 | AAVSO | |
| -84 | 8.3 | 2429404 | 1939-05-20 | 2429442 | 1939-06-27 | -38 | AAVSO |
| -83 | 8.6 | 2429704 | 1940-03-15 | 2429742 | 1940-04-22 | -38 | SVO |
| -82 | 8.2 | 2430005 | 1941-01-10 | 2430041 | 1941-02-15 | -36 | AAVSO |
| -81 | 8.6 | 2430311 | 1941-11-12 | 2430341 | 1941-12-12 | -30 | AAVSO |
| -80 | 2430611 | 1942-09-08 | 2430640 | 1942-10-07 | -29 | AAVSO | |
| -79 | 2430913 | 1943-07-07 | 2430940 | 1943-08-03 | -27 | AAVSO | |
| -78 | 8.5 | 2431217 | 1944-05-06 | 2431239 | 1944-05-28 | -22 | AAVSO |
| -77 | 8.4 | 2431514 | 1945-02-27 | 2431539 | 1945-03-24 | -25 | SVO |
| -76 | 8.4 | 2431815 | 1945-12-25 | 2431838 | 1946-01-17 | -23 | AAVSO |
| -75 | 2432123 | 1946-10-29 | 2432138 | 1946-11-13 | -15 | AAVSO | |
| -74 | 2432427 | 1947-08-29 | 2432437 | 1947-09-08 | -10 | AAVSO | |
| -73 | 8.5 | 2432720 | 1948-06-17 | 2432737 | 1948-07-04 | -17 | AAVSO |
| -72 | 8.5 | 2433023 | 1949-04-16 | 2433036 | 1949-04-29 | -13 | AAVSO |
| -71 | 8.3 | 2433326 | 1950-02-13 | 2433336 | 1950-02-23 | -10 | SVO |
| -70 | 8.7 | 2433636 | 1950-12-20 | 2433635 | 1950-12-19 | 1 | AAVSO |
| -69 | 2433940 | 1951-10-20 | 2433935 | 1951-10-15 | 5 | AAVSO | |
| -68 | 2434224 | 1952-07-30 | 2434234 | 1952-08-09 | -10 | AAVSO | |
| -67 | 8.6 | 2434528 | 1953-05-30 | 2434534 | 1953-06-05 | -6 | AAVSO |
| -66 | 8.8 | 2434831 | 1954-03-29 | 2434833 | 1954-03-31 | -2 | SVO |
| -65 | 8.5 | 2435133 | 1955-01-25 | 2435133 | 1955-01-25 | 0 | AAVSO |
| -64 | 2435421 | 1955-11-09 | 2435432 | 1955-11-20 | -11 | AAVSO | |
| -63 | 2435714 | 1956-08-28 | 2435732 | 1956-09-15 | -18 | AAVSO | |
| -62 | 2436019 | 1957-06-29 | 2436031 | 1957-07-11 | -12 | AAVSO | |
| -61 | 8.6 | 2436322 | 1958-04-28 | 2436331 | 1958-05-07 | -9 | AAVSO |
| -60 | 8.7 | 2436621 | 1959-02-21 | 2436630 | 1959-03-02 | -9 | SVO |
| -59 | 8.7 | 2436910 | 1959-12-07 | 2436930 | 1959-12-27 | -20 | AAVSO |
| -58 | 2437194 | 1960-09-16 | 2437229 | 1960-10-21 | -35 | AAVSO | |
| -57 | 2437491 | 1961-07-10 | 2437529 | 1961-08-17 | -38 | AAVSO | |
| -56 | 9.1 | 2437795 | 1962-05-10 | 2437828 | 1962-06-12 | -33 | AAVSO |
| -55 | 8.7 | 2438077 | 1963-02-16 | 2438128 | 1963-04-08 | -51 | SVO |
| -54 | 8.2 | 2438382 | 1963-12-18 | 2438427 | 1964-02-01 | -45 | AAVSO |
| -53 | 2438658 | 1964-09-19 | 2438727 | 1964-11-27 | -69 | AAVSO | |
| -52 | 8.5 | 2438950 | 1965-07-08 | 2439026 | 1965-09-22 | -76 | AAVSO |
| -51 | 8.4 | 2439253 | 1966-05-07 | 2439326 | 1966-07-19 | -73 | AAVSO |
| -50 | 8.7 | 2439554 | 1967-03-04 | 2439625 | 1967-05-14 | -71 | SVO |
| -49 | 8.9 | 2439851 | 1967-12-26 | 2439925 | 1968-03-09 | -74 | SVO |
| -48 | 8.4 | 2440155 | 1968-10-25 | 2440224 | 1969-01-02 | -69 | AAVSO |
| -47 | 2440463 | 1969-08-29 | 2440524 | 1969-10-29 | -61 | AAVSO | |
| -46 | 9.2 | 2440743 | 1970-06-05 | 2440823 | 1970-08-24 | -80 | AAVSO |
| -45 | 8.2 | 2441033 | 1971-03-22 | 2441123 | 1971-06-20 | -90 | SVO |
| -44 | 8.9 | 2441345 | 1972-01-28 | 2441422 | 1972-04-14 | -77 | SVO |
| -43 | 8.8 | 2441653 | 1972-12-01 | 2441722 | 1973-02-08 | -69 | AAVSO |
| -42 | 8.9 | 2441960 | 1973-10-04 | 2442021 | 1973-12-04 | -61 | AAVSO |
| -41 | 2442254 | 1974-07-25 | 2442321 | 1974-09-30 | -67 | AAVSO | |
| -40 | 9.1 | 2442536 | 1975-05-03 | 2442620 | 1975-07-26 | -84 | SVO |
| -39 | 8.4 | 2442856 | 1976-03-18 | 2442920 | 1976-05-21 | -64 | SVO |
| -38 | 8.6 | 2443146 | 1977-01-02 | 2443219 | 1977-03-16 | -73 | SVO |
| -37 | 8.6 | 2443457 | 1977-11-09 | 2443519 | 1978-01-10 | -62 | SVO |
| -36 | 9.5 | 2443754 | 1978-09-02 | 2443818 | 1978-11-05 | -64 | AAVSO |
| -35 | 9.0 | 2444041 | 1979-06-16 | 2444118 | 1979-09-01 | -77 | AAVSO |
| -34 | 9.1 | 2444343 | 1980-04-13 | 2444417 | 1980-06-26 | -74 | AAVSO |
| -33 | 8.7 | 2444643 | 1981-02-07 | 2444717 | 1981-04-22 | -74 | SVO |
| -32 | 8.6 | 2444938 | 1981-11-29 | 2445016 | 1982-02-15 | -78 | SVO |
| -31 | 8.5 | 2445243 | 1982-09-30 | 2445316 | 1982-12-12 | -73 | AAVSO |
| -30 | 9.0 | 2445549 | 1983-08-02 | 2445615 | 1983-10-07 | -66 | SVO |
| -29 | 8.4 | 2445846 | 1984-05-25 | 2445915 | 1984-08-02 | -69 | SVO |
| -28 | 8.8 | 2446153 | 1985-03-28 | 2446214 | 1985-05-28 | -61 | SVO |
| -27 | 8.6 | 2446455 | 1986-01-24 | 2446514 | 1986-03-24 | -59 | SVO |
| -26 | 8.9 | 2446763 | 1986-11-28 | 2446813 | 1987-01-17 | -50 | SVO |
| -25 | 8.4 | 2447058 | 1987-09-19 | 2447113 | 1987-11-13 | -55 | SVO |
| -24 | 9.3 | 2447365 | 1988-07-22 | 2447412 | 1988-09-07 | -47 | SVO |
| -23 | 8.5 | 2447678 | 1989-05-31 | 2447712 | 1989-07-04 | -34 | SVO |
| -22 | 8.8 | 2447977 | 1990-03-26 | 2448011 | 1990-04-29 | -34 | SVO |
| -21 | 8.5 | 2448280 | 1991-01-23 | 2448311 | 1991-02-23 | -31 | SVO |
| -20 | 8.2 | 2448579 | 1991-11-18 | 2448610 | 1991-12-19 | -31 | SVO |
| -19 | 2448889 | 1992-09-23 | 2448910 | 1992-10-14 | -21 | AAVSO | |
| -18 | 9.0 | 2449201 | 1993-08-01 | 2449209 | 1993-08-09 | -8 | SVO |
| -17 | 8.8 | 2449495 | 1994-05-22 | 2449509 | 1994-06-05 | -14 | SVO |
| -16 | 8.7 | 2449789 | 1995-03-12 | 2449808 | 1995-03-31 | -19 | SVO |
| -15 | 8.3 | 2450096 | 1996-01-13 | 2450108 | 1996-01-25 | -12 | SVO |
| -14 | 8.6 | 2450401 | 1996-11-13 | 2450407 | 1996-11-19 | -6 | SVO |
| -13 | 9.0 | 2450707 | 1997-09-15 | 2450707 | 1997-09-15 | 0 | SVO |
| -12 | 2451010 | 1998-07-15 | 2451006 | 1998-07-11 | 4 | AAVSO | |
| -11 | 8.3 | 2451314 | 1999-05-15 | 2451306 | 1999-05-07 | 8 | SVO |
| -10 | 9.2 | 2451609 | 2000-03-05 | 2451605 | 2000-03-01 | 4 | SVO |
| -9 | 8.4 | 2451905 | 2000-12-26 | 2451905 | 2000-12-26 | 0 | SVO |
| -8 | 8.7 | 2452205 | 2001-10-22 | 2452204 | 2001-10-21 | 1 | SVO |
| -7 | 2452505 | 2002-08-18 | 2452504 | 2002-08-17 | 1 | AAVSO | |
| -6 | 8.6 | 2452815 | 2003-06-24 | 2452803 | 2003-06-12 | 12 | SVO |
| -5 | 8.4 | 2453106 | 2004-04-10 | 2453103 | 2004-04-07 | 3 | SVO |
| -4 | 8.6 | 2453408 | 2005-02-06 | 2453402 | 2005-01-31 | 6 | SVO |
| -3 | 8.4 | 2453702 | 2005-11-27 | 2453702 | 2005-11-27 | 0 | SVO |
| -2 | 2453996 | 2006-09-17 | 2454001 | 2006-09-22 | -5 | AAVSO | |
| -1 | 8.5 | 2454303 | 2007-07-21 | 2454301 | 2007-07-19 | 2 | SVO |
| 0 | 8.3 | 2454603 | 2008-05-16 | 2454600 | 2008-05-13 | 3 | SVO |
| 1 | 8.8 | 2454895 | 2009-03-04 | 2454900 | 2009-03-09 | -5 | SVO |
| 2 | 8.5 | 2455202 | 2010-01-05 | 2455199 | 2010-01-02 | 3 | SVO |
| 3 | 8.5 | 2455503 | 2010-11-02 | 2455499 | 2010-10-29 | 4 | AAVSO |
| 4 | 2455805 | 2011-08-31 | 2455798 | 2011-08-24 | 7 | AAVSO | |
| 5 | 8.6 | 2456115 | 2012-07-06 | 2456098 | 2012-06-19 | 17 | AAVSO |
| 6 | 8.5 | 2456415 | 2013-05-02 | 2456397 | 2013-04-14 | 18 | AAVSO |
| 7 | 8.5 | 2456708 | 2014-02-19 | 2456697 | 2014-02-08 | 11 | SVO |
| 8 | 8.3 | 2457000 | 2014-12-08 | 2456996 | 2014-12-04 | 4 | SVO |
| 9 | 8.4 | 2457304 | 2015-10-08 | 2457296 | 2015-09-30 | 8 | SVO |
| 9 | 8.4 | 2457304 | 2015-10-08 | 2457296 | 2015-09-30 | 8 | SVO |
| 10 | 8.5 | 2457598 | 2016-07-28 | 2457595 | 2016-07-25 | 3 | SVO |
| 11 | 8.7 | 2457906 | 2017-06-01 | 2457895 | 2017-05-21 | 11 | SVO |
| 11 | 8.7 | 2457906 | 2017-06-01 | 2457895 | 2017-05-21 | 11 | SVO |
| 12 | 8.8 | 2458197 | 2018-03-19 | 2458194 | 2018-03-16 | 3 | SVO |
| 13 | 8.4 | 2458493 | 2019-01-09 | 2458494 | 2019-01-10 | -1 | SVO |
| 14 | 2458790 | 2019-11-02 | 2458793 | 2019-11-05 | -3 | SVO | |
| 15 | 8.5 | 2459090 | 2020-08-28 | 2459093 | 2020-08-31 | -3 | SVO |
| 15 | 8.5 | 2459090 | 2020-08-28 | 2459093 | 2020-08-31 | -3 | SVO |
| 16 | 8.4 | 2459396 | 2021-06-30 | 2459392 | 2021-06-26 | 4 | SVO |
| 16 | 8.4 | 2459396 | 2021-06-30 | 2459392 | 2021-06-26 | 4 | SVO |
| 17 | 8.5 | 2459695 | 2022-04-25 | 2459692 | 2022-04-22 | 3 | SVO |
| 17 | 8.3 | 2459698 | 2022-04-28 | 2459692 | 2022-04-22 | 6 | 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. |