| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -178 | 2411750 | 1891-01-17 | 2411788 | 1891-02-24 | -38 | SVO | |
| -173 | 2412692 | 1893-08-16 | 2412730 | 1893-09-23 | -38 | AN, 1936, vol 261, p 229 | |
| -157 | 2415730 | 1901-12-11 | 2415745 | 1901-12-26 | -15 | SVO | |
| -155 | 2416105 | 1902-12-21 | 2416122 | 1903-01-07 | -17 | SVO | |
| -153 | 2416490 | 1904-01-10 | 2416499 | 1904-01-19 | -9 | SVO | |
| -152 | 2416680 | 1904-07-18 | 2416688 | 1904-07-26 | -8 | SVO | |
| -150 | 2417050 | 1905-07-23 | 2417065 | 1905-08-07 | -15 | SVO | |
| -149 | 2417240 | 1906-01-29 | 2417253 | 1906-02-11 | -13 | SVO | |
| -144 | 2418190 | 1908-09-05 | 2418195 | 1908-09-10 | -5 | SVO | |
| -142 | 2418550 | 1909-08-31 | 2418572 | 1909-09-22 | -22 | AN, 1936, vol 261, p 229 | |
| -140 | 2418920 | 1910-09-05 | 2418949 | 1910-10-04 | -29 | AN, 1936, vol 261, p 229 | |
| -138 | 2419325 | 1911-10-15 | 2419326 | 1911-10-16 | -1 | SVO | |
| -136 | 2419689 | 1912-10-13 | 2419703 | 1912-10-27 | -14 | AN, 1936, vol 261, p 229 | |
| -134 | 2420065 | 1913-10-24 | 2420080 | 1913-11-08 | -15 | SVO | |
| -132 | 2420453 | 1914-11-16 | 2420457 | 1914-11-20 | -4 | SVO | |
| -130 | 2420825 | 1915-11-23 | 2420834 | 1915-12-02 | -9 | SVO | |
| -128 | 2421205 | 1916-12-07 | 2421210 | 1916-12-12 | -5 | SVO | |
| -126 | 2421585 | 1917-12-22 | 2421587 | 1917-12-24 | -2 | SVO | |
| -124 | 2421960 | 1919-01-01 | 2421964 | 1919-01-05 | -4 | SVO | |
| -122 | 2422335 | 1920-01-11 | 2422341 | 1920-01-17 | -6 | SVO | |
| -120 | 2422711 | 1921-01-21 | 2422718 | 1921-01-28 | -7 | AN, 1936, vol 261, p 229 | |
| -118 | 2423095 | 1922-02-09 | 2423095 | 1922-02-09 | 0 | AN, 1936, vol 261, p 229 | |
| -117 | 2423285 | 1922-08-18 | 2423283 | 1922-08-16 | 2 | AN, 1936, vol 261, p 229 | |
| -116 | 2423465 | 1923-02-14 | 2423472 | 1923-02-21 | -7 | AN, 1936, vol 261, p 229 | |
| -115 | 2423660 | 1923-08-28 | 2423660 | 1923-08-28 | 0 | AN, 1936, vol 261, p 229 | |
| -114 | 2423844 | 1924-02-28 | 2423849 | 1924-03-04 | -5 | AN, 1936, vol 261, p 229 | |
| -112 | 2424225 | 1925-03-15 | 2424226 | 1925-03-16 | -1 | AN, 1936, vol 261, p 229 | |
| -109 | 2424795 | 1926-10-06 | 2424791 | 1926-10-02 | 4 | SVO | |
| -107 | 2425176 | 1927-10-22 | 2425168 | 1927-10-14 | 8 | AN, 1936, vol 261, p 229 | |
| -105 | 2425548 | 1928-10-28 | 2425545 | 1928-10-25 | 3 | AN, 1936, vol 261, p 229 | |
| -103 | 2425930 | 1929-11-14 | 2425922 | 1929-11-06 | 8 | SVO | |
| -101 | 2426310 | 1930-11-29 | 2426299 | 1930-11-18 | 11 | SVO | |
| -99 | 2426684 | 1931-12-08 | 2426676 | 1931-11-30 | 8 | AN, 1936, vol 261, p 229 | |
| -97 | 2427063 | 1932-12-21 | 2427052 | 1932-12-10 | 11 | AN, 1936, vol 261, p 229, GuL, 1952, 2.3 | |
| -95 | 2427437 | 1933-12-30 | 2427429 | 1933-12-22 | 8 | SVO | |
| -93 | 2427810 | 1935-01-07 | 2427806 | 1935-01-03 | 4 | SVO | |
| -92 | 2428000 | 1935-07-16 | 2427995 | 1935-07-11 | 5 | SVO | |
| -91 | 2428190 | 1936-01-22 | 2428183 | 1936-01-15 | 7 | SVO | |
| -89 | 2428560 | 1937-01-26 | 2428560 | 1937-01-26 | 0 | SVO | |
| -88 | 2428759 | 1937-08-13 | 2428748 | 1937-08-02 | 11 | SVO | |
| -86 | 2429125 | 1938-08-14 | 2429125 | 1938-08-14 | 0 | SVO | |
| -84 | 2429510 | 1939-09-03 | 2429502 | 1939-08-26 | 8 | SVO | |
| -82 | 2429882 | 1940-09-09 | 2429879 | 1940-09-06 | 3 | SVO | |
| -80 | 2430258 | 1941-09-20 | 2430256 | 1941-09-18 | 2 | SVO | |
| -78 | 2430645 | 1942-10-12 | 2430633 | 1942-09-30 | 12 | SVO | |
| -76 | 2431010 | 1943-10-12 | 2431010 | 1943-10-12 | 0 | SVO | |
| -74 | 2431403 | 1944-11-08 | 2431387 | 1944-10-23 | 16 | SVO | |
| -72 | 2431777 | 1945-11-17 | 2431764 | 1945-11-04 | 13 | SVO | |
| -70 | 2432149 | 1946-11-24 | 2432141 | 1946-11-16 | 8 | SVO | |
| -68 | 2432530 | 1947-12-10 | 2432517 | 1947-11-27 | 13 | SVO | |
| -66 | 2432910 | 1948-12-24 | 2432894 | 1948-12-08 | 16 | SVO | |
| -61 | 2433860 | 1951-08-01 | 2433837 | 1951-07-09 | 23 | SVO | |
| -59 | 2434240 | 1952-08-15 | 2434213 | 1952-07-19 | 27 | SVO | |
| -22 | 2441210 | 1971-09-15 | 2441186 | 1971-08-22 | 24 | SVO | |
| -20 | 2441570 | 1972-09-09 | 2441563 | 1972-09-02 | 7 | SVO | |
| -18 | 2441950 | 1973-09-24 | 2441940 | 1973-09-14 | 10 | SVO | |
| -16 | 2442330 | 1974-10-09 | 2442317 | 1974-09-26 | 13 | SVO | |
| -14 | 2442700 | 1975-10-14 | 2442694 | 1975-10-08 | 6 | SVO | |
| -12 | 10.5 | 2443085 | 1976-11-02 | 2443071 | 1976-10-19 | 14 | SVO |
| -10 | 10.3 | 2443456 | 1977-11-08 | 2443447 | 1977-10-30 | 9 | SVO |
| -8 | 10.7 | 2443827 | 1978-11-14 | 2443824 | 1978-11-11 | 3 | SVO |
| -6 | 2444215 | 1979-12-07 | 2444201 | 1979-11-23 | 14 | SVO | |
| -4 | 10.0 | 2444587 | 1980-12-13 | 2444578 | 1980-12-04 | 9 | SVO |
| -2 | 10.2 | 2444970 | 1981-12-31 | 2444955 | 1981-12-16 | 15 | SVO |
| 0 | 2445333 | 1982-12-29 | 2445332 | 1982-12-28 | 1 | AFOEV | |
| 1 | 2445530 | 1983-07-14 | 2445520 | 1983-07-04 | 10 | SVO | |
| 2 | 10.4 | 2445718 | 1984-01-18 | 2445709 | 1984-01-09 | 9 | SVO |
| 3 | 2445910 | 1984-07-28 | 2445897 | 1984-07-15 | 13 | SVO | |
| 4 | 2446100 | 1985-02-03 | 2446086 | 1985-01-20 | 14 | SVO | |
| 5 | 10.8 | 2446294 | 1985-08-16 | 2446274 | 1985-07-27 | 20 | SVO |
| 6 | 2446485 | 1986-02-23 | 2446463 | 1986-02-01 | 22 | SVO | |
| 7 | 2446660 | 1986-08-17 | 2446651 | 1986-08-08 | 9 | SVO | |
| 9 | 2447045 | 1987-09-06 | 2447028 | 1987-08-20 | 17 | SVO | |
| 11 | 10.4 | 2447431 | 1988-09-26 | 2447405 | 1988-08-31 | 26 | SVO |
| 13 | 10.2 | 2447812 | 1989-10-12 | 2447782 | 1989-09-12 | 30 | SVO |
| 15 | 10.6 | 2448192 | 1990-10-27 | 2448159 | 1990-09-24 | 33 | SVO |
| 17 | 2448560 | 1991-10-30 | 2448536 | 1991-10-06 | 24 | SVO | |
| 21 | 2449308 | 1993-11-16 | 2449289 | 1993-10-28 | 19 | AFOEV | |
| 23 | 10.5 | 2449691 | 1994-12-04 | 2449666 | 1994-11-09 | 25 | SVO |
| 25 | 9.9 | 2450058 | 1995-12-06 | 2450043 | 1995-11-21 | 15 | SVO |
| 27 | 10.7 | 2450438 | 1996-12-20 | 2450420 | 1996-12-02 | 18 | SVO |
| 29 | 10.3 | 2450808 | 1997-12-25 | 2450797 | 1997-12-14 | 11 | SVO |
| 30 | 2451000 | 1998-07-05 | 2450985 | 1998-06-20 | 15 | SVO | |
| 31 | 10.3 | 2451184 | 1999-01-05 | 2451174 | 1998-12-26 | 10 | SVO |
| 32 | 2451370 | 1999-07-10 | 2451362 | 1999-07-02 | 8 | SVO | |
| 33 | 10.2 | 2451554 | 2000-01-10 | 2451551 | 2000-01-07 | 3 | SVO |
| 34 | 2451740 | 2000-07-14 | 2451739 | 2000-07-13 | 1 | SVO | |
| 35 | 10.6 | 2451936 | 2001-01-26 | 2451928 | 2001-01-18 | 8 | SVO |
| 36 | 10.7 | 2452123 | 2001-08-01 | 2452116 | 2001-07-25 | 7 | SVO |
| 37 | 10.1 | 2452307 | 2002-02-01 | 2452305 | 2002-01-30 | 2 | SVO |
| 38 | 10.7 | 2452496 | 2002-08-09 | 2452493 | 2002-08-06 | 3 | SVO |
| 39 | 2452695 | 2003-02-24 | 2452681 | 2003-02-10 | 14 | AFOEV | |
| 40 | 10.0 | 2452868 | 2003-08-16 | 2452870 | 2003-08-18 | -2 | SVO |
| 41 | 11.0 | 2453060 | 2004-02-24 | 2453058 | 2004-02-22 | 2 | SVO |
| 42 | 10.4 | 2453250 | 2004-09-01 | 2453247 | 2004-08-29 | 3 | SVO |
| 43 | 2453435 | 2005-03-05 | 2453435 | 2005-03-05 | 0 | SVO | |
| 44 | 10.4 | 2453622 | 2005-09-08 | 2453624 | 2005-09-10 | -2 | SVO |
| 46 | 10.4 | 2453994 | 2006-09-15 | 2454001 | 2006-09-22 | -7 | SVO |
| 48 | 10.4 | 2454379 | 2007-10-05 | 2454378 | 2007-10-04 | 1 | SVO |
| 50 | 10.2 | 2454741 | 2008-10-01 | 2454754 | 2008-10-14 | -13 | SVO |
| 52 | 10.5 | 2455125 | 2009-10-20 | 2455131 | 2009-10-26 | -6 | SVO |
| 54 | 10.4 | 2455497 | 2010-10-27 | 2455508 | 2010-11-07 | -11 | SVO |
| 56 | 10.4 | 2455865 | 2011-10-30 | 2455885 | 2011-11-19 | -20 | SVO |
| 58 | 10.7 | 2456253 | 2012-11-21 | 2456262 | 2012-11-30 | -9 | SVO |
| 60 | 10.2 | 2456620 | 2013-11-23 | 2456639 | 2013-12-12 | -19 | SVO |
| 61 | 2456815 | 2014-06-06 | 2456827 | 2014-06-18 | -12 | SVO | |
| 62 | 10.5 | 2457002 | 2014-12-10 | 2457016 | 2014-12-24 | -14 | SVO |
| 63 | 2457190 | 2015-06-16 | 2457204 | 2015-06-30 | -14 | SVO | |
| 64 | 10.5 | 2457372 | 2015-12-15 | 2457393 | 2016-01-05 | -21 | SVO |
| 65 | 2457555 | 2016-06-15 | 2457581 | 2016-07-11 | -26 | SVO | |
| 66 | 10.2 | 2457740 | 2016-12-17 | 2457770 | 2017-01-16 | -30 | SVO |
| 67 | 2457935 | 2017-06-30 | 2457958 | 2017-07-23 | -23 | SVO | |
| 68 | 10.6 | 2458124 | 2018-01-05 | 2458147 | 2018-01-28 | -23 | SVO |
| 69 | 10.0 | 2458311 | 2018-07-11 | 2458335 | 2018-08-04 | -24 | SVO |
| 70 | 2458505 | 2019-01-21 | 2458523 | 2019-02-08 | -18 | SVO | |
| 71 | 10.3 | 2458691 | 2019-07-26 | 2458712 | 2019-08-16 | -21 | SVO |
| 72 | 10.2 | 2458874 | 2020-01-25 | 2458900 | 2020-02-20 | -26 | SVO |
| 73 | 10.7 | 2459067 | 2020-08-05 | 2459089 | 2020-08-27 | -22 | SVO |
| 74 | 2459255 | 2021-02-09 | 2459277 | 2021-03-03 | -22 | SVO | |
| 75 | 10.4 | 2459440 | 2021-08-13 | 2459466 | 2021-09-08 | -26 | SVO |
| 76 | 2459630 | 2022-02-19 | 2459654 | 2022-03-15 | -24 | SVO | |
| 77 | 10.2 | 2459822 | 2022-08-30 | 2459843 | 2022-09-20 | -21 | 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. |