| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -139 | 2415650 | 1901-09-22 | 2415665 | 1901-10-07 | -15 | SVO | |
| -137 | 2416078 | 1902-11-24 | 2416095 | 1902-12-11 | -17 | AnHar, 1909, vol 55, p 95 | |
| -136 | 2416307 | 1903-07-11 | 2416311 | 1903-07-15 | -4 | AnHar, 1909, vol 55, p 95 | |
| -135 | 2416513 | 1904-02-02 | 2416526 | 1904-02-15 | -13 | AnHar, 1909, vol 55, p 95 | |
| -134 | 2416740 | 1904-09-16 | 2416741 | 1904-09-17 | -1 | AAVSO | |
| -132 | 9.7 | 2417163 | 1905-11-13 | 2417171 | 1905-11-21 | -8 | AAVSO |
| -130 | 2417601 | 1907-01-25 | 2417602 | 1907-01-26 | -1 | AAVSO | |
| -129 | 2417797 | 1907-08-09 | 2417817 | 1907-08-29 | -20 | AAVSO | |
| -127 | 9.8 | 2418224 | 1908-10-09 | 2418247 | 1908-11-01 | -23 | AAVSO |
| -126 | 2418434 | 1909-05-07 | 2418463 | 1909-06-05 | -29 | AAVSO | |
| -125 | 2418655 | 1909-12-14 | 2418678 | 1910-01-06 | -23 | AAVSO | |
| -124 | 2418875 | 1910-07-22 | 2418893 | 1910-08-09 | -18 | AAVSO | |
| -122 | 2419313 | 1911-10-03 | 2419323 | 1911-10-13 | -10 | AAVSO | |
| -121 | 2419509 | 1912-04-16 | 2419539 | 1912-05-16 | -30 | AAVSO | |
| -120 | 2419719 | 1912-11-12 | 2419754 | 1912-12-17 | -35 | AAVSO | |
| -118 | 2420163 | 1914-01-30 | 2420184 | 1914-02-20 | -21 | AAVSO | |
| -115 | 9.4 | 2420817 | 1915-11-15 | 2420830 | 1915-11-28 | -13 | AAVSO |
| -114 | 2421029 | 1916-06-14 | 2421045 | 1916-06-30 | -16 | AAVSO | |
| -113 | 9.9 | 2421245 | 1917-01-16 | 2421260 | 1917-01-31 | -15 | AAVSO |
| -112 | 10.3 | 2421463 | 1917-08-22 | 2421475 | 1917-09-03 | -12 | AAVSO |
| -111 | 9.5 | 2421674 | 1918-03-21 | 2421690 | 1918-04-06 | -16 | AAVSO |
| -110 | 10.0 | 2421885 | 1918-10-18 | 2421906 | 1918-11-08 | -21 | AAVSO |
| -109 | 2422105 | 1919-05-26 | 2422121 | 1919-06-11 | -16 | AAVSO | |
| -108 | 9.4 | 2422331 | 1920-01-07 | 2422336 | 1920-01-12 | -5 | AAVSO |
| -107 | 9.6 | 2422533 | 1920-07-27 | 2422551 | 1920-08-14 | -18 | AAVSO |
| -106 | 2422753 | 1921-03-04 | 2422766 | 1921-03-17 | -13 | AAVSO | |
| -105 | 9.4 | 2422960 | 1921-09-27 | 2422982 | 1921-10-19 | -22 | SVO |
| -104 | 10.0 | 2423184 | 1922-05-09 | 2423197 | 1922-05-22 | -13 | AAVSO |
| -103 | 10.1 | 2423396 | 1922-12-07 | 2423412 | 1922-12-23 | -16 | SVO |
| -102 | 2423600 | 1923-06-29 | 2423627 | 1923-07-26 | -27 | SVO | |
| -101 | 10.6 | 2423811 | 1924-01-26 | 2423842 | 1924-02-26 | -31 | AAVSO |
| -100 | 10.3 | 2424042 | 1924-09-13 | 2424058 | 1924-09-29 | -16 | SVO |
| -99 | 9.6 | 2424245 | 1925-04-04 | 2424273 | 1925-05-02 | -28 | AAVSO |
| -98 | 11.4 | 2424472 | 1925-11-17 | 2424488 | 1925-12-03 | -16 | AAVSO |
| -97 | 10.2 | 2424674 | 1926-06-07 | 2424703 | 1926-07-06 | -29 | AAVSO |
| -96 | 9.8 | 2424894 | 1927-01-13 | 2424918 | 1927-02-06 | -24 | AAVSO |
| -95 | 9.5 | 2425099 | 1927-08-06 | 2425134 | 1927-09-10 | -35 | AAVSO |
| -93 | 10.0 | 2425539 | 1928-10-19 | 2425564 | 1928-11-13 | -25 | AAVSO |
| -92 | 10.3 | 2425760 | 1929-05-28 | 2425779 | 1929-06-16 | -19 | AAVSO |
| -91 | 10.0 | 2425986 | 1930-01-09 | 2425994 | 1930-01-17 | -8 | AAVSO |
| -90 | 10.0 | 2426191 | 1930-08-02 | 2426210 | 1930-08-21 | -19 | AAVSO |
| -89 | 2426411 | 1931-03-10 | 2426425 | 1931-03-24 | -14 | AAVSO | |
| -88 | 9.8 | 2426632 | 1931-10-17 | 2426640 | 1931-10-25 | -8 | AAVSO |
| -86 | 9.8 | 2427065 | 1932-12-23 | 2427070 | 1932-12-28 | -5 | AAVSO |
| -85 | 10.2 | 2427281 | 1933-07-27 | 2427286 | 1933-08-01 | -5 | SVO |
| -84 | 9.4 | 2427488 | 1934-02-19 | 2427501 | 1934-03-04 | -13 | AAVSO |
| -83 | 10.1 | 2427718 | 1934-10-07 | 2427716 | 1934-10-05 | 2 | SVO |
| -81 | 9.7 | 2428153 | 1935-12-16 | 2428146 | 1935-12-09 | 7 | AAVSO |
| -80 | 9.8 | 2428356 | 1936-07-06 | 2428362 | 1936-07-12 | -6 | AAVSO |
| -79 | 9.8 | 2428579 | 1937-02-14 | 2428577 | 1937-02-12 | 2 | AAVSO |
| -78 | 10.2 | 2428797 | 1937-09-20 | 2428792 | 1937-09-15 | 5 | SVO |
| -77 | 9.6 | 2429013 | 1938-04-24 | 2429007 | 1938-04-18 | 6 | AAVSO |
| -76 | 11.4 | 2429236 | 1938-12-03 | 2429222 | 1938-11-19 | 14 | AAVSO |
| -75 | 10.3 | 2429439 | 1939-06-24 | 2429438 | 1939-06-23 | 1 | AAVSO |
| -74 | 2429659 | 1940-01-30 | 2429653 | 1940-01-24 | 6 | AAVSO | |
| -73 | 9.8 | 2429881 | 1940-09-08 | 2429868 | 1940-08-26 | 13 | SVO |
| -72 | 9.8 | 2430098 | 1941-04-13 | 2430083 | 1941-03-29 | 15 | AAVSO |
| -71 | 10.1 | 2430310 | 1941-11-11 | 2430298 | 1941-10-30 | 12 | SVO |
| -70 | 9.5 | 2430538 | 1942-06-27 | 2430514 | 1942-06-03 | 24 | AAVSO |
| -69 | 2430751 | 1943-01-26 | 2430729 | 1943-01-04 | 22 | AAVSO | |
| -68 | 10.0 | 2430967 | 1943-08-30 | 2430944 | 1943-08-07 | 23 | AAVSO |
| -66 | 2431390 | 1944-10-26 | 2431374 | 1944-10-10 | 16 | SVO | |
| -65 | 10.0 | 2431605 | 1945-05-29 | 2431590 | 1945-05-14 | 15 | AAVSO |
| -64 | 9.8 | 2431816 | 1945-12-26 | 2431805 | 1945-12-15 | 11 | AAVSO |
| -63 | 9.7 | 2432052 | 1946-08-19 | 2432020 | 1946-07-18 | 32 | SVO |
| -61 | 9.6 | 2432475 | 1947-10-16 | 2432450 | 1947-09-21 | 25 | SVO |
| -60 | 9.8 | 2432693 | 1948-05-21 | 2432666 | 1948-04-24 | 27 | AAVSO |
| -59 | 9.8 | 2432903 | 1948-12-17 | 2432881 | 1948-11-25 | 22 | AAVSO |
| -58 | 10.6 | 2433123 | 1949-07-25 | 2433096 | 1949-06-28 | 27 | AAVSO |
| -57 | 2433325 | 1950-02-12 | 2433311 | 1950-01-29 | 14 | AAVSO | |
| -56 | 9.9 | 2433546 | 1950-09-21 | 2433526 | 1950-09-01 | 20 | SVO |
| -55 | 2433759 | 1951-04-22 | 2433742 | 1951-04-05 | 17 | AAVSO | |
| -54 | 10.2 | 2433973 | 1951-11-22 | 2433957 | 1951-11-06 | 16 | AAVSO |
| -53 | 9.8 | 2434182 | 1952-06-18 | 2434172 | 1952-06-08 | 10 | AAVSO |
| -52 | 11.0 | 2434399 | 1953-01-21 | 2434387 | 1953-01-09 | 12 | AAVSO |
| -51 | 9.7 | 2434618 | 1953-08-28 | 2434602 | 1953-08-12 | 16 | SVO |
| -50 | 2434830 | 1954-03-28 | 2434818 | 1954-03-16 | 12 | AAVSO | |
| -49 | 9.8 | 2435045 | 1954-10-29 | 2435033 | 1954-10-17 | 12 | SVO |
| -48 | 10.2 | 2435273 | 1955-06-14 | 2435248 | 1955-05-20 | 25 | AAVSO |
| -47 | 10.2 | 2435488 | 1956-01-15 | 2435463 | 1955-12-21 | 25 | AAVSO |
| -46 | 9.6 | 2435693 | 1956-08-07 | 2435678 | 1956-07-23 | 15 | AAVSO |
| -45 | 2435913 | 1957-03-15 | 2435894 | 1957-02-24 | 19 | AAVSO | |
| -44 | 10.0 | 2436129 | 1957-10-17 | 2436109 | 1957-09-27 | 20 | SVO |
| -43 | 10.0 | 2436343 | 1958-05-19 | 2436324 | 1958-04-30 | 19 | AAVSO |
| -42 | 10.6 | 2436563 | 1958-12-25 | 2436539 | 1958-12-01 | 24 | AAVSO |
| -41 | 10.4 | 2436776 | 1959-07-26 | 2436754 | 1959-07-04 | 22 | AAVSO |
| -40 | 2436993 | 1960-02-28 | 2436970 | 1960-02-05 | 23 | AAVSO | |
| -39 | 10.1 | 2437204 | 1960-09-26 | 2437185 | 1960-09-07 | 19 | SVO |
| -38 | 10.9 | 2437415 | 1961-04-25 | 2437400 | 1961-04-10 | 15 | AAVSO |
| -37 | 10.1 | 2437631 | 1961-11-27 | 2437615 | 1961-11-11 | 16 | AAVSO |
| -36 | 9.8 | 2437848 | 1962-07-02 | 2437830 | 1962-06-14 | 18 | AAVSO |
| -35 | 2438065 | 1963-02-04 | 2438046 | 1963-01-16 | 19 | AAVSO | |
| -34 | 10.1 | 2438282 | 1963-09-09 | 2438261 | 1963-08-19 | 21 | SVO |
| -33 | 9.8 | 2438502 | 1964-04-16 | 2438476 | 1964-03-21 | 26 | AAVSO |
| -32 | 9.8 | 2438710 | 1964-11-10 | 2438691 | 1964-10-22 | 19 | SVO |
| -31 | 10.6 | 2438926 | 1965-06-14 | 2438906 | 1965-05-25 | 20 | SVO |
| -30 | 10.1 | 2439148 | 1966-01-22 | 2439122 | 1965-12-27 | 26 | AAVSO |
| -29 | 10.5 | 2439360 | 1966-08-22 | 2439337 | 1966-07-30 | 23 | SVO |
| -28 | 9.2 | 2439573 | 1967-03-23 | 2439552 | 1967-03-02 | 21 | AAVSO |
| -27 | 11.0 | 2439794 | 1967-10-30 | 2439767 | 1967-10-03 | 27 | SVO |
| -26 | 10.5 | 2440006 | 1968-05-29 | 2439982 | 1968-05-05 | 24 | AAVSO |
| -25 | 10.8 | 2440225 | 1969-01-03 | 2440198 | 1968-12-07 | 27 | AAVSO |
| -24 | 10.0 | 2440440 | 1969-08-06 | 2440413 | 1969-07-10 | 27 | SVO |
| -23 | 2440653 | 1970-03-07 | 2440628 | 1970-02-10 | 25 | AAVSO | |
| -22 | 9.6 | 2440867 | 1970-10-07 | 2440843 | 1970-09-13 | 24 | SVO |
| -21 | 10.8 | 2441084 | 1971-05-12 | 2441058 | 1971-04-16 | 26 | AAVSO |
| -20 | 10.2 | 2441304 | 1971-12-18 | 2441274 | 1971-11-18 | 30 | SVO |
| -19 | 9.6 | 2441514 | 1972-07-15 | 2441489 | 1972-06-20 | 25 | SVO |
| -18 | 10.3 | 2441733 | 1973-02-19 | 2441704 | 1973-01-21 | 29 | AAVSO |
| -17 | 9.7 | 2441944 | 1973-09-18 | 2441919 | 1973-08-24 | 25 | SVO |
| -16 | 2442157 | 1974-04-19 | 2442134 | 1974-03-27 | 23 | AAVSO | |
| -15 | 10.3 | 2442370 | 1974-11-18 | 2442350 | 1974-10-29 | 20 | SVO |
| -14 | 10.0 | 2442583 | 1975-06-19 | 2442565 | 1975-06-01 | 18 | AAVSO |
| -13 | 9.9 | 2442797 | 1976-01-19 | 2442780 | 1976-01-02 | 17 | AAVSO |
| -12 | 10.0 | 2443010 | 1976-08-19 | 2442995 | 1976-08-04 | 15 | SVO |
| -11 | 10.0 | 2443225 | 1977-03-22 | 2443210 | 1977-03-07 | 15 | AAVSO |
| -10 | 9.9 | 2443435 | 1977-10-18 | 2443426 | 1977-10-09 | 9 | SVO |
| -9 | 10.3 | 2443657 | 1978-05-28 | 2443641 | 1978-05-12 | 16 | AAVSO |
| -8 | 9.8 | 2443865 | 1978-12-22 | 2443856 | 1978-12-13 | 9 | SVO |
| -7 | 10.7 | 2444080 | 1979-07-25 | 2444071 | 1979-07-16 | 9 | SVO |
| -6 | 2444300 | 1980-03-01 | 2444286 | 1980-02-16 | 14 | AAVSO | |
| -5 | 10.1 | 2444517 | 1980-10-04 | 2444502 | 1980-09-19 | 15 | SVO |
| -4 | 10.3 | 2444729 | 1981-05-04 | 2444717 | 1981-04-22 | 12 | AAVSO |
| -3 | 9.9 | 2444939 | 1981-11-30 | 2444932 | 1981-11-23 | 7 | SVO |
| -2 | 10.7 | 2445157 | 1982-07-06 | 2445147 | 1982-06-26 | 10 | SVO |
| -1 | 10.2 | 2445383 | 1983-02-17 | 2445362 | 1983-01-27 | 21 | AAVSO |
| 0 | 9.7 | 2445579 | 1983-09-01 | 2445578 | 1983-08-31 | 1 | SVO |
| 1 | 10.4 | 2445793 | 1984-04-02 | 2445793 | 1984-04-02 | 0 | AAVSO |
| 2 | 10.0 | 2446013 | 1984-11-08 | 2446008 | 1984-11-03 | 5 | SVO |
| 3 | 10.0 | 2446224 | 1985-06-07 | 2446223 | 1985-06-06 | 1 | AAVSO |
| 4 | 10.5 | 2446441 | 1986-01-10 | 2446438 | 1986-01-07 | 3 | SVO |
| 5 | 10.1 | 2446662 | 1986-08-19 | 2446654 | 1986-08-11 | 8 | SVO |
| 6 | 10.8 | 2446873 | 1987-03-18 | 2446869 | 1987-03-14 | 4 | AAVSO |
| 7 | 10.3 | 2447102 | 1987-11-02 | 2447084 | 1987-10-15 | 18 | SVO |
| 8 | 2447315 | 1988-06-02 | 2447299 | 1988-05-17 | 16 | AAVSO | |
| 9 | 2447535 | 1989-01-08 | 2447514 | 1988-12-18 | 21 | SVO | |
| 10 | 11.0 | 2447748 | 1989-08-09 | 2447730 | 1989-07-22 | 18 | SVO |
| 11 | 2447958 | 1990-03-07 | 2447945 | 1990-02-22 | 13 | AAVSO | |
| 12 | 10.2 | 2448174 | 1990-10-09 | 2448160 | 1990-09-25 | 14 | SVO |
| 13 | 2448383 | 1991-05-06 | 2448375 | 1991-04-28 | 8 | AAVSO | |
| 14 | 10.5 | 2448599 | 1991-12-08 | 2448590 | 1991-11-29 | 9 | SVO |
| 15 | 10.0 | 2448813 | 1992-07-09 | 2448806 | 1992-07-02 | 7 | SVO |
| 16 | 2449041 | 1993-02-22 | 2449021 | 1993-02-02 | 20 | AAVSO | |
| 17 | 10.1 | 2449246 | 1993-09-15 | 2449236 | 1993-09-05 | 10 | SVO |
| 18 | 2449456 | 1994-04-13 | 2449451 | 1994-04-08 | 5 | AAVSO | |
| 19 | 10.0 | 2449667 | 1994-11-10 | 2449666 | 1994-11-09 | 1 | SVO |
| 20 | 2449875 | 1995-06-06 | 2449882 | 1995-06-13 | -7 | AAVSO | |
| 21 | 10.2 | 2450096 | 1996-01-13 | 2450097 | 1996-01-14 | -1 | SVO |
| 22 | 9.6 | 2450305 | 1996-08-09 | 2450312 | 1996-08-16 | -7 | SVO |
| 23 | 2450519 | 1997-03-11 | 2450527 | 1997-03-19 | -8 | AAVSO | |
| 24 | 10.4 | 2450727 | 1997-10-05 | 2450742 | 1997-10-20 | -15 | SVO |
| 25 | 2450923 | 1998-04-19 | 2450958 | 1998-05-24 | -35 | AAVSO | |
| 26 | 10.4 | 2451149 | 1998-12-01 | 2451173 | 1998-12-25 | -24 | SVO |
| 27 | 10.2 | 2451371 | 1999-07-11 | 2451388 | 1999-07-28 | -17 | SVO |
| 28 | 2451592 | 2000-02-17 | 2451603 | 2000-02-28 | -11 | AAVSO | |
| 29 | 9.8 | 2451793 | 2000-09-05 | 2451818 | 2000-09-30 | -25 | SVO |
| 30 | 2452003 | 2001-04-03 | 2452034 | 2001-05-04 | -31 | AAVSO | |
| 31 | 10.4 | 2452231 | 2001-11-17 | 2452249 | 2001-12-05 | -18 | SVO |
| 32 | 10.8 | 2452449 | 2002-06-23 | 2452464 | 2002-07-08 | -15 | SVO |
| 33 | 2452663 | 2003-01-23 | 2452679 | 2003-02-08 | -16 | AAVSO | |
| 34 | 10.7 | 2452878 | 2003-08-26 | 2452894 | 2003-09-11 | -16 | SVO |
| 35 | 10.3 | 2453088 | 2004-03-23 | 2453110 | 2004-04-14 | -22 | SVO |
| 36 | 11.0 | 2453311 | 2004-11-01 | 2453325 | 2004-11-15 | -14 | SVO |
| 37 | 10.1 | 2453519 | 2005-05-28 | 2453540 | 2005-06-18 | -21 | SVO |
| 38 | 2453751 | 2006-01-15 | 2453755 | 2006-01-19 | -4 | AAVSO | |
| 39 | 10.1 | 2453952 | 2006-08-04 | 2453970 | 2006-08-22 | -18 | SVO |
| 40 | 2454172 | 2007-03-12 | 2454186 | 2007-03-26 | -14 | AAVSO | |
| 41 | 10.4 | 2454382 | 2007-10-08 | 2454401 | 2007-10-27 | -19 | SVO |
| 42 | 2454597 | 2008-05-10 | 2454616 | 2008-05-29 | -19 | AAVSO | |
| 43 | 10.6 | 2454816 | 2008-12-15 | 2454831 | 2008-12-30 | -15 | AAVSO |
| 44 | 9.8 | 2455027 | 2009-07-14 | 2455046 | 2009-08-02 | -19 | SVO |
| 45 | 9.6 | 2455241 | 2010-02-13 | 2455262 | 2010-03-06 | -21 | SVO |
| 46 | 10.0 | 2455454 | 2010-09-14 | 2455477 | 2010-10-07 | -23 | SVO |
| 47 | 9.8 | 2455665 | 2011-04-13 | 2455692 | 2011-05-10 | -27 | SVO |
| 48 | 10.1 | 2455889 | 2011-11-23 | 2455907 | 2011-12-11 | -18 | SVO |
| 49 | 10.3 | 2456111 | 2012-07-02 | 2456122 | 2012-07-13 | -11 | SVO |
| 50 | 9.7 | 2456311 | 2013-01-18 | 2456337 | 2013-02-13 | -26 | SVO |
| 51 | 10.4 | 2456536 | 2013-08-31 | 2456553 | 2013-09-17 | -17 | SVO |
| 52 | 10.3 | 2456750 | 2014-04-02 | 2456768 | 2014-04-20 | -18 | AAVSO |
| 53 | 10.2 | 2456967 | 2014-11-05 | 2456983 | 2014-11-21 | -16 | SVO |
| 54 | 9.9 | 2457178 | 2015-06-04 | 2457198 | 2015-06-24 | -20 | AAVSO |
| 55 | 9.9 | 2457396 | 2016-01-08 | 2457413 | 2016-01-25 | -17 | AAVSO |
| 56 | 10.4 | 2457611 | 2016-08-10 | 2457629 | 2016-08-28 | -18 | SVO |
| 57 | 10.9 | 2457830 | 2017-03-17 | 2457844 | 2017-03-31 | -14 | AAVSO |
| 58 | 10.0 | 2458043 | 2017-10-16 | 2458059 | 2017-11-01 | -16 | SVO |
| 59 | 10.0 | 2458258 | 2018-05-19 | 2458274 | 2018-06-04 | -16 | SVO |
| 60 | 10.0 | 2458472 | 2018-12-19 | 2458489 | 2019-01-05 | -17 | SVO |
| 61 | 10.6 | 2458684 | 2019-07-19 | 2458705 | 2019-08-09 | -21 | SVO |
| 62 | 2458900 | 2020-02-20 | 2458920 | 2020-03-11 | -20 | SVO | |
| 63 | 10.7 | 2459123 | 2020-09-30 | 2459135 | 2020-10-12 | -12 | SVO |
| 64 | 2459340 | 2021-05-05 | 2459350 | 2021-05-15 | -10 | SVO | |
| 65 | 9.8 | 2459550 | 2021-12-01 | 2459565 | 2021-12-16 | -15 | SVO |
| 66 | 9.9 | 2459764 | 2022-07-03 | 2459781 | 2022-07-20 | -17 | 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. |