| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -87 | 2415970 | 1902-08-08 | 2415950 | 1902-07-19 | 20 | AnHar, 1952, vol 118 | |
| -86 | 2416400 | 1903-10-12 | 2416380 | 1903-09-22 | 20 | SVO | |
| -85 | 2416832 | 1904-12-17 | 2416810 | 1904-11-25 | 22 | AnHar, 1909, vol 55, p 95 | |
| -84 | 2417247 | 1906-02-05 | 2417240 | 1906-01-29 | 7 | AnHar, 1909, vol 55, p 95 | |
| -83 | 2417702 | 1907-05-06 | 2417670 | 1907-04-04 | 32 | GuL, 1918, 1.1 | |
| -82 | 2418104 | 1908-06-11 | 2418100 | 1908-06-07 | 4 | AAVSO | |
| -81 | 8.5 | 2418541 | 1909-08-22 | 2418530 | 1909-08-11 | 11 | AAVSO |
| -80 | 8.5 | 2418988 | 1910-11-12 | 2418960 | 1910-10-15 | 28 | AAVSO |
| -79 | 9.3 | 2419405 | 1912-01-03 | 2419390 | 1911-12-19 | 15 | SVO |
| -78 | 9.3 | 2419832 | 1913-03-05 | 2419820 | 1913-02-21 | 12 | AAVSO |
| -77 | 2420268 | 1914-05-15 | 2420250 | 1914-04-27 | 18 | AAVSO | |
| -76 | 2420680 | 1915-07-01 | 2420680 | 1915-07-01 | 0 | AAVSO | |
| -75 | 8.0 | 2421116 | 1916-09-09 | 2421110 | 1916-09-03 | 6 | SVO |
| -74 | 10.1 | 2421547 | 1917-11-14 | 2421540 | 1917-11-07 | 7 | SVO |
| -73 | 8.2 | 2422006 | 1919-02-16 | 2421970 | 1919-01-11 | 36 | AAVSO |
| -72 | 8.5 | 2422413 | 1920-03-29 | 2422400 | 1920-03-16 | 13 | AAVSO |
| -71 | 9.4 | 2422880 | 1921-07-09 | 2422830 | 1921-05-20 | 50 | SVO |
| -70 | 8.4 | 2423279 | 1922-08-12 | 2423260 | 1922-07-24 | 19 | SVO |
| -69 | 8.4 | 2423709 | 1923-10-16 | 2423690 | 1923-09-27 | 19 | SVO |
| -68 | 8.4 | 2424137 | 1924-12-17 | 2424120 | 1924-11-30 | 17 | SVO |
| -67 | 8.2 | 2424565 | 1926-02-18 | 2424550 | 1926-02-03 | 15 | SVO |
| -66 | 8.5 | 2425007 | 1927-05-06 | 2424980 | 1927-04-09 | 27 | SVO |
| -65 | 9.7 | 2425448 | 1928-07-20 | 2425410 | 1928-06-12 | 38 | SVO |
| -64 | 7.9 | 2425872 | 1929-09-17 | 2425840 | 1929-08-16 | 32 | SVO |
| -63 | 9.0 | 2426311 | 1930-11-30 | 2426270 | 1930-10-20 | 41 | SVO |
| -62 | 8.5 | 2426741 | 1932-02-03 | 2426700 | 1931-12-24 | 41 | SVO |
| -61 | 8.4 | 2427176 | 1933-04-13 | 2427130 | 1933-02-26 | 46 | SVO |
| -60 | 9.2 | 2427619 | 1934-06-30 | 2427560 | 1934-05-02 | 59 | SVO |
| -59 | 8.7 | 2428054 | 1935-09-08 | 2427990 | 1935-07-06 | 64 | SVO |
| -58 | 9.3 | 2428472 | 1936-10-30 | 2428420 | 1936-09-08 | 52 | SVO |
| -57 | 8.1 | 2428895 | 1937-12-27 | 2428850 | 1937-11-12 | 45 | SVO |
| -56 | 8.4 | 2429310 | 1939-02-15 | 2429280 | 1939-01-16 | 30 | SVO |
| -55 | 2429746 | 1940-04-26 | 2429710 | 1940-03-21 | 36 | AAVSO | |
| -54 | 2430168 | 1941-06-22 | 2430140 | 1941-05-25 | 28 | AAVSO | |
| -53 | 8.7 | 2430602 | 1942-08-30 | 2430570 | 1942-07-29 | 32 | SVO |
| -52 | 9.7 | 2431020 | 1943-10-22 | 2431000 | 1943-10-02 | 20 | SVO |
| -51 | 8.3 | 2431453 | 1944-12-28 | 2431430 | 1944-12-05 | 23 | SVO |
| -50 | 9.7 | 2431872 | 1946-02-20 | 2431860 | 1946-02-08 | 12 | AAVSO |
| -49 | 2432304 | 1947-04-28 | 2432290 | 1947-04-14 | 14 | AAVSO | |
| -48 | 7.9 | 2432730 | 1948-06-27 | 2432720 | 1948-06-17 | 10 | AAVSO |
| -47 | 9.4 | 2433167 | 1949-09-07 | 2433150 | 1949-08-21 | 17 | SVO |
| -46 | 8.4 | 2433593 | 1950-11-07 | 2433580 | 1950-10-25 | 13 | SVO |
| -45 | 9.0 | 2434012 | 1951-12-31 | 2434010 | 1951-12-29 | 2 | SVO |
| -44 | 8.4 | 2434437 | 1953-02-28 | 2434440 | 1953-03-03 | -3 | SVO |
| -43 | 2434876 | 1954-05-13 | 2434870 | 1954-05-07 | 6 | AAVSO | |
| -42 | 8.7 | 2435320 | 1955-07-31 | 2435300 | 1955-07-11 | 20 | SVO |
| -41 | 8.7 | 2435750 | 1956-10-03 | 2435730 | 1956-09-13 | 20 | SVO |
| -40 | 8.5 | 2436179 | 1957-12-06 | 2436160 | 1957-11-17 | 19 | SVO |
| -39 | 9.9 | 2436605 | 1959-02-05 | 2436590 | 1959-01-21 | 15 | AAVSO |
| -38 | 2437035 | 1960-04-10 | 2437020 | 1960-03-26 | 15 | AAVSO | |
| -37 | 8.8 | 2437464 | 1961-06-13 | 2437450 | 1961-05-30 | 14 | AAVSO |
| -36 | 9.4 | 2437886 | 1962-08-09 | 2437880 | 1962-08-03 | 6 | AAVSO |
| -35 | 8.7 | 2438327 | 1963-10-24 | 2438310 | 1963-10-07 | 17 | SVO |
| -34 | 8.5 | 2438757 | 1964-12-27 | 2438740 | 1964-12-10 | 17 | SVO |
| -33 | 9.1 | 2439195 | 1966-03-10 | 2439170 | 1966-02-13 | 25 | SVO |
| -32 | 8.7 | 2439634 | 1967-05-23 | 2439600 | 1967-04-19 | 34 | SVO |
| -31 | 10.9 | 2440055 | 1968-07-17 | 2440030 | 1968-06-22 | 25 | AAVSO |
| -30 | 8.8 | 2440472 | 1969-09-07 | 2440460 | 1969-08-26 | 12 | SVO |
| -29 | 11.2 | 2440922 | 1970-12-01 | 2440890 | 1970-10-30 | 32 | SVO |
| -28 | 8.9 | 2441346 | 1972-01-29 | 2441320 | 1972-01-03 | 26 | SVO |
| -27 | 9.4 | 2441782 | 1973-04-09 | 2441750 | 1973-03-08 | 32 | SVO |
| -26 | 8.1 | 2442203 | 1974-06-04 | 2442180 | 1974-05-12 | 23 | AAVSO |
| -25 | 10.0 | 2442656 | 1975-08-31 | 2442610 | 1975-07-16 | 46 | SVO |
| -24 | 8.3 | 2443070 | 1976-10-18 | 2443040 | 1976-09-18 | 30 | SVO |
| -23 | 10.0 | 2443522 | 1978-01-13 | 2443470 | 1977-11-22 | 52 | SVO |
| -22 | 9.4 | 2443946 | 1979-03-13 | 2443900 | 1979-01-26 | 46 | SVO |
| -21 | 8.6 | 2444376 | 1980-05-16 | 2444330 | 1980-03-31 | 46 | SVO |
| -20 | 11.0 | 2444813 | 1981-07-27 | 2444760 | 1981-06-04 | 53 | SVO |
| -19 | 9.5 | 2445244 | 1982-10-01 | 2445190 | 1982-08-08 | 54 | SVO |
| -18 | 9.4 | 2445664 | 1983-11-25 | 2445620 | 1983-10-12 | 44 | SVO |
| -17 | 9.5 | 2446104 | 1985-02-07 | 2446050 | 1984-12-15 | 54 | SVO |
| -16 | 8.8 | 2446526 | 1986-04-05 | 2446480 | 1986-02-18 | 46 | SVO |
| -15 | 9.6 | 2446954 | 1987-06-07 | 2446910 | 1987-04-24 | 44 | SVO |
| -14 | 8.6 | 2447387 | 1988-08-13 | 2447340 | 1988-06-27 | 47 | SVO |
| -13 | 10.1 | 2447804 | 1989-10-04 | 2447770 | 1989-08-31 | 34 | SVO |
| -12 | 8.8 | 2448228 | 1990-12-02 | 2448200 | 1990-11-04 | 28 | SVO |
| -11 | 9.6 | 2448663 | 1992-02-10 | 2448630 | 1992-01-08 | 33 | SVO |
| -10 | 8.5 | 2449087 | 1993-04-09 | 2449060 | 1993-03-13 | 27 | SVO |
| -9 | 2449514 | 1994-06-10 | 2449490 | 1994-05-17 | 24 | AAVSO | |
| -8 | 9.0 | 2449948 | 1995-08-18 | 2449920 | 1995-07-21 | 28 | SVO |
| -7 | 9.8 | 2450390 | 1996-11-02 | 2450350 | 1996-09-23 | 40 | SVO |
| -6 | 8.3 | 2450821 | 1998-01-07 | 2450780 | 1997-11-27 | 41 | SVO |
| -5 | 9.7 | 2451240 | 1999-03-02 | 2451210 | 1999-01-31 | 30 | SVO |
| -4 | 9.3 | 2451653 | 2000-04-18 | 2451640 | 2000-04-05 | 13 | SVO |
| -3 | 8.3 | 2452076 | 2001-06-15 | 2452070 | 2001-06-09 | 6 | SVO |
| -2 | 9.1 | 2452498 | 2002-08-11 | 2452500 | 2002-08-13 | -2 | SVO |
| -1 | 9.0 | 2452927 | 2003-10-14 | 2452930 | 2003-10-17 | -3 | SVO |
| 0 | 8.6 | 2453358 | 2004-12-18 | 2453360 | 2004-12-20 | -2 | SVO |
| 1 | 9.5 | 2453795 | 2006-02-28 | 2453790 | 2006-02-23 | 5 | SVO |
| 2 | 8.9 | 2454222 | 2007-05-01 | 2454220 | 2007-04-29 | 2 | SVO |
| 3 | 8.5 | 2454646 | 2008-06-28 | 2454650 | 2008-07-02 | -4 | SVO |
| 4 | 9.9 | 2455081 | 2009-09-06 | 2455080 | 2009-09-05 | 1 | SVO |
| 5 | 9.1 | 2455511 | 2010-11-10 | 2455510 | 2010-11-09 | 1 | SVO |
| 6 | 9.4 | 2455930 | 2012-01-03 | 2455940 | 2012-01-13 | -10 | SVO |
| 7 | 9.0 | 2456370 | 2013-03-18 | 2456370 | 2013-03-18 | 0 | SVO |
| 8 | 9.2 | 2456817 | 2014-06-08 | 2456800 | 2014-05-22 | 17 | SVO |
| 9 | 9.0 | 2457255 | 2015-08-20 | 2457230 | 2015-07-26 | 25 | SVO |
| 10 | 8.4 | 2457683 | 2016-10-21 | 2457660 | 2016-09-28 | 23 | SVO |
| 11 | 8.6 | 2458129 | 2018-01-10 | 2458090 | 2017-12-02 | 39 | SVO |
| 12 | 8.8 | 2458557 | 2019-03-14 | 2458520 | 2019-02-05 | 37 | SVO |
| 13 | 8.4 | 2458991 | 2020-05-21 | 2458950 | 2020-04-10 | 41 | SVO |
| 14 | 9.4 | 2459410 | 2021-07-14 | 2459380 | 2021-06-14 | 30 | SVO |
| 15 | 9.4 | 2459852 | 2022-09-29 | 2459810 | 2022-08-18 | 42 | 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. |