| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -58 | 2417625 | 1907-02-18 | 2417643 | 1907-03-08 | -18 | SVO | |
| -55 | 2418770 | 1910-04-08 | 2418795 | 1910-05-03 | -25 | SVO | |
| -53 | 2419535 | 1912-05-12 | 2419563 | 1912-06-09 | -28 | SVO | |
| -52 | 2419930 | 1913-06-11 | 2419947 | 1913-06-28 | -17 | SVO | |
| -50 | 2420690 | 1915-07-11 | 2420714 | 1915-08-04 | -24 | SVO | |
| -49 | 2421090 | 1916-08-14 | 2421098 | 1916-08-22 | -8 | SVO | |
| -48 | 2421475 | 1917-09-03 | 2421482 | 1917-09-10 | -7 | SVO | |
| -47 | 2421850 | 1918-09-13 | 2421866 | 1918-09-29 | -16 | SVO | |
| -39 | 2424940 | 1927-02-28 | 2424937 | 1927-02-25 | 3 | SVO | |
| -38 | 2425330 | 1928-03-24 | 2425321 | 1928-03-15 | 9 | SVO | |
| -37 | 2425700 | 1929-03-29 | 2425705 | 1929-04-03 | -5 | SVO | |
| -36 | 2426080 | 1930-04-13 | 2426089 | 1930-04-22 | -9 | GuL, 1936, 2.2 | |
| -35 | 2426484 | 1931-05-22 | 2426473 | 1931-05-11 | 11 | GuL, 1936, 2.2 | |
| -34 | 2426843 | 1932-05-15 | 2426857 | 1932-05-29 | -14 | GuL, 1936, 2.2 | |
| -33 | 2427238 | 1933-06-14 | 2427241 | 1933-06-17 | -3 | GuL, 1936, 2.2 | |
| -32 | 2427622 | 1934-07-03 | 2427625 | 1934-07-06 | -3 | GuL, 1936, 2.2 | |
| -31 | 2427997 | 1935-07-13 | 2428009 | 1935-07-25 | -12 | SVO | |
| -30 | 2428390 | 1936-08-09 | 2428393 | 1936-08-12 | -3 | SVO | |
| -29 | 2428760 | 1937-08-14 | 2428776 | 1937-08-30 | -16 | SVO | |
| -21 | 2431840 | 1946-01-19 | 2431848 | 1946-01-27 | -8 | SVO | |
| -20 | 2432220 | 1947-02-03 | 2432232 | 1947-02-15 | -12 | SVO | |
| -18 | 2433010 | 1949-04-03 | 2432999 | 1949-03-23 | 11 | SVO | |
| -16 | 2433787 | 1951-05-20 | 2433767 | 1951-04-30 | 20 | SVO | |
| -13 | 2434940 | 1954-07-16 | 2434919 | 1954-06-25 | 21 | SVO | |
| 0 | 2439970 | 1968-04-23 | 2439910 | 1968-02-23 | 60 | SVO | |
| 1 | 2440340 | 1969-04-28 | 2440294 | 1969-03-13 | 46 | SVO | |
| 2 | 2440725 | 1970-05-18 | 2440678 | 1970-04-01 | 47 | SVO | |
| 3 | 10.9 | 2441117 | 1971-06-14 | 2441062 | 1971-04-20 | 55 | SVO |
| 4 | 10.4 | 2441499 | 1972-06-30 | 2441445 | 1972-05-07 | 54 | SVO |
| 5 | 11.7 | 2441871 | 1973-07-07 | 2441829 | 1973-05-26 | 42 | SVO |
| 6 | 11.3 | 2442249 | 1974-07-20 | 2442213 | 1974-06-14 | 36 | SVO |
| 7 | 11.5 | 2442631 | 1975-08-06 | 2442597 | 1975-07-03 | 34 | SVO |
| 8 | 11.3 | 2442996 | 1976-08-05 | 2442981 | 1976-07-21 | 15 | SVO |
| 9 | 10.3 | 2443373 | 1977-08-17 | 2443365 | 1977-08-09 | 8 | SVO |
| 10 | 11.9 | 2443759 | 1978-09-07 | 2443749 | 1978-08-28 | 10 | SVO |
| 11 | 2444140 | 1979-09-23 | 2444133 | 1979-09-16 | 7 | SVO | |
| 17 | 2446470 | 1986-02-08 | 2446436 | 1986-01-05 | 34 | SVO | |
| 18 | 2446835 | 1987-02-08 | 2446820 | 1987-01-24 | 15 | SVO | |
| 19 | 2447225 | 1988-03-04 | 2447204 | 1988-02-12 | 21 | SVO | |
| 20 | 2447600 | 1989-03-14 | 2447588 | 1989-03-02 | 12 | SVO | |
| 21 | 10.7 | 2447976 | 1990-03-25 | 2447972 | 1990-03-21 | 4 | SVO |
| 22 | 2448365 | 1991-04-18 | 2448356 | 1991-04-09 | 9 | SVO | |
| 23 | 10.7 | 2448748 | 1992-05-05 | 2448740 | 1992-04-27 | 8 | SVO |
| 24 | 11.6 | 2449126 | 1993-05-18 | 2449124 | 1993-05-16 | 2 | SVO |
| 25 | 10.4 | 2449508 | 1994-06-04 | 2449508 | 1994-06-04 | 0 | SVO |
| 26 | 11.0 | 2449888 | 1995-06-19 | 2449891 | 1995-06-22 | -3 | SVO |
| 27 | 11.8 | 2450267 | 1996-07-02 | 2450275 | 1996-07-10 | -8 | SVO |
| 28 | 11.0 | 2450658 | 1997-07-28 | 2450659 | 1997-07-29 | -1 | SVO |
| 29 | 10.9 | 2451030 | 1998-08-04 | 2451043 | 1998-08-17 | -13 | SVO |
| 30 | 10.7 | 2451404 | 1999-08-13 | 2451427 | 1999-09-05 | -23 | SVO |
| 31 | 10.9 | 2451782 | 2000-08-25 | 2451811 | 2000-09-23 | -29 | SVO |
| 32 | 10.8 | 2452164 | 2001-09-11 | 2452195 | 2001-10-12 | -31 | SVO |
| 33 | 2452535 | 2002-09-17 | 2452579 | 2002-10-31 | -44 | AFOEV | |
| 34 | 11.2 | 2452923 | 2003-10-10 | 2452963 | 2003-11-19 | -40 | SVO |
| 35 | 11.2 | 2453312 | 2004-11-02 | 2453347 | 2004-12-07 | -35 | SVO |
| 36 | 11.2 | 2453698 | 2005-11-23 | 2453731 | 2005-12-26 | -33 | SVO |
| 37 | 10.4 | 2454082 | 2006-12-12 | 2454114 | 2007-01-13 | -32 | SVO |
| 38 | 11.9 | 2454457 | 2007-12-22 | 2454498 | 2008-02-01 | -41 | SVO |
| 39 | 2454845 | 2009-01-13 | 2454882 | 2009-02-19 | -37 | SVO | |
| 40 | 11.3 | 2455242 | 2010-02-14 | 2455266 | 2010-03-10 | -24 | SVO |
| 41 | 11.0 | 2455633 | 2011-03-12 | 2455650 | 2011-03-29 | -17 | SVO |
| 43 | 11.3 | 2456405 | 2013-04-22 | 2456418 | 2013-05-05 | -13 | SVO |
| 44 | 10.8 | 2456804 | 2014-05-26 | 2456802 | 2014-05-24 | 2 | SVO |
| 45 | 11.7 | 2457184 | 2015-06-10 | 2457186 | 2015-06-12 | -2 | SVO |
| 46 | 11.1 | 2457573 | 2016-07-03 | 2457570 | 2016-06-30 | 3 | SVO |
| 47 | 11.1 | 2457956 | 2017-07-21 | 2457954 | 2017-07-19 | 2 | SVO |
| 48 | 11.0 | 2458339 | 2018-08-08 | 2458337 | 2018-08-06 | 2 | SVO |
| 49 | 11.0 | 2458729 | 2019-09-02 | 2458721 | 2019-08-25 | 8 | SVO |
| 50 | 10.6 | 2459115 | 2020-09-22 | 2459105 | 2020-09-12 | 10 | SVO |
| 51 | 11.6 | 2459508 | 2021-10-20 | 2459489 | 2021-10-01 | 19 | SVO |
| 52 | 10.6 | 2459888 | 2022-11-04 | 2459873 | 2022-10-20 | 15 | 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. |