| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -108 | 2416421 | 1903-11-02 | 2416475 | 1903-12-26 | -54 | SVO | |
| -95 | 2420929 | 1916-03-06 | 2420932 | 1916-03-09 | -3 | AN, 1923, vol 217, p 439 | |
| -94 | 2421272 | 1917-02-12 | 2421275 | 1917-02-15 | -3 | AN, 1923, vol 217, p 439 | |
| -93 | 2421579 | 1917-12-16 | 2421618 | 1918-01-24 | -39 | AN, 1923, vol 217, p 439 | |
| -92 | 2421955 | 1918-12-27 | 2421961 | 1919-01-02 | -6 | AN, 1923, vol 217, p 439 | |
| -91 | 2422300 | 1919-12-07 | 2422304 | 1919-12-11 | -4 | SVO | |
| -89 | 2422980 | 1921-10-17 | 2422989 | 1921-10-26 | -9 | SVO | |
| -88 | 2423310 | 1922-09-12 | 2423332 | 1922-10-04 | -22 | SVO | |
| -87 | 2423660 | 1923-08-28 | 2423675 | 1923-09-12 | -15 | SVO | |
| -86 | 2424000 | 1924-08-02 | 2424018 | 1924-08-20 | -18 | SVO | |
| -85 | 2424340 | 1925-07-08 | 2424361 | 1925-07-29 | -21 | SVO | |
| -84 | 10.4 | 2424681 | 1926-06-14 | 2424704 | 1926-07-07 | -23 | SVO |
| -76 | 2427420 | 1933-12-13 | 2427447 | 1934-01-09 | -27 | SVO | |
| -75 | 2427775 | 1934-12-03 | 2427789 | 1934-12-17 | -14 | SVO | |
| -74 | 10.4 | 2428125 | 1935-11-18 | 2428132 | 1935-11-25 | -7 | SVO |
| -73 | 10.6 | 2428470 | 1936-10-28 | 2428475 | 1936-11-02 | -5 | SVO |
| -72 | 2428809 | 1937-10-02 | 2428818 | 1937-10-11 | -9 | AAVSO | |
| -71 | 10.2 | 2429151 | 1938-09-09 | 2429161 | 1938-09-19 | -10 | SVO |
| -70 | 11.9 | 2429508 | 1939-09-01 | 2429504 | 1939-08-28 | 4 | SVO |
| -69 | 2429847 | 1940-08-05 | 2429847 | 1940-08-05 | 0 | AAVSO | |
| -68 | 10.0 | 2430180 | 1941-07-04 | 2430189 | 1941-07-13 | -9 | AAVSO |
| -67 | 2430546 | 1942-07-05 | 2430532 | 1942-06-21 | 14 | AAVSO | |
| -66 | 10.2 | 2430883 | 1943-06-07 | 2430875 | 1943-05-30 | 8 | AAVSO |
| -65 | 9.8 | 2431223 | 1944-05-12 | 2431218 | 1944-05-07 | 5 | AAVSO |
| -64 | 2431573 | 1945-04-27 | 2431561 | 1945-04-15 | 12 | AAVSO | |
| -63 | 2431917 | 1946-04-06 | 2431904 | 1946-03-24 | 13 | AAVSO | |
| -62 | 2432258 | 1947-03-13 | 2432247 | 1947-03-02 | 11 | AAVSO | |
| -61 | 2432605 | 1948-02-23 | 2432590 | 1948-02-08 | 15 | AAVSO | |
| -60 | 10.2 | 2432945 | 1949-01-28 | 2432932 | 1949-01-15 | 13 | AAVSO |
| -59 | 2433297 | 1950-01-15 | 2433275 | 1949-12-24 | 22 | AAVSO | |
| -58 | 2433635 | 1950-12-19 | 2433618 | 1950-12-02 | 17 | AAVSO | |
| -57 | 10.8 | 2433981 | 1951-11-30 | 2433961 | 1951-11-10 | 20 | SVO |
| -56 | 10.6 | 2434321 | 1952-11-04 | 2434304 | 1952-10-18 | 17 | SVO |
| -55 | 10.3 | 2434660 | 1953-10-09 | 2434647 | 1953-09-26 | 13 | SVO |
| -54 | 10.4 | 2435009 | 1954-09-23 | 2434990 | 1954-09-04 | 19 | SVO |
| -53 | 10.3 | 2435358 | 1955-09-07 | 2435332 | 1955-08-12 | 26 | SVO |
| -52 | 2435695 | 1956-08-09 | 2435675 | 1956-07-20 | 20 | AAVSO | |
| -51 | 11.0 | 2436049 | 1957-07-29 | 2436018 | 1957-06-28 | 31 | SVO |
| -50 | 2436379 | 1958-06-24 | 2436361 | 1958-06-06 | 18 | AAVSO | |
| -49 | 2436722 | 1959-06-02 | 2436704 | 1959-05-15 | 18 | AAVSO | |
| -48 | 2437065 | 1960-05-10 | 2437047 | 1960-04-22 | 18 | AAVSO | |
| -47 | 2437408 | 1961-04-18 | 2437390 | 1961-03-31 | 18 | AAVSO | |
| -46 | 10.1 | 2437757 | 1962-04-02 | 2437733 | 1962-03-09 | 24 | SVO |
| -45 | 2438094 | 1963-03-05 | 2438075 | 1963-02-14 | 19 | AAVSO | |
| -44 | 10.3 | 2438454 | 1964-02-28 | 2438418 | 1964-01-23 | 36 | SVO |
| -43 | 10.6 | 2438781 | 1965-01-20 | 2438761 | 1964-12-31 | 20 | SVO |
| -42 | 10.6 | 2439119 | 1965-12-24 | 2439104 | 1965-12-09 | 15 | SVO |
| -41 | 10.3 | 2439461 | 1966-12-01 | 2439447 | 1966-11-17 | 14 | SVO |
| -40 | 10.4 | 2439798 | 1967-11-03 | 2439790 | 1967-10-26 | 8 | SVO |
| -39 | 10.8 | 2440140 | 1968-10-10 | 2440133 | 1968-10-03 | 7 | SVO |
| -38 | 10.7 | 2440482 | 1969-09-17 | 2440475 | 1969-09-10 | 7 | SVO |
| -37 | 10.6 | 2440825 | 1970-08-26 | 2440818 | 1970-08-19 | 7 | SVO |
| -36 | 2441164 | 1971-07-31 | 2441161 | 1971-07-28 | 3 | AAVSO | |
| -35 | 10.1 | 2441503 | 1972-07-04 | 2441504 | 1972-07-05 | -1 | SVO |
| -34 | 2441850 | 1973-06-16 | 2441847 | 1973-06-13 | 3 | AAVSO | |
| -33 | 2442197 | 1974-05-29 | 2442190 | 1974-05-22 | 7 | AAVSO | |
| -32 | 2442540 | 1975-05-07 | 2442533 | 1975-04-30 | 7 | AAVSO | |
| -31 | 2442883 | 1976-04-14 | 2442875 | 1976-04-06 | 8 | AAVSO | |
| -30 | 2443226 | 1977-03-23 | 2443218 | 1977-03-15 | 8 | AAVSO | |
| -29 | 10.3 | 2443555 | 1978-02-15 | 2443561 | 1978-02-21 | -6 | SVO |
| -28 | 2443890 | 1979-01-16 | 2443904 | 1979-01-30 | -14 | AAVSO | |
| -27 | 10.7 | 2444240 | 1980-01-01 | 2444247 | 1980-01-08 | -7 | SVO |
| -26 | 10.6 | 2444578 | 1980-12-04 | 2444590 | 1980-12-16 | -12 | SVO |
| -25 | 10.9 | 2444919 | 1981-11-10 | 2444933 | 1981-11-24 | -14 | SVO |
| -24 | 10.3 | 2445260 | 1982-10-17 | 2445276 | 1982-11-02 | -16 | SVO |
| -23 | 11.0 | 2445611 | 1983-10-03 | 2445618 | 1983-10-10 | -7 | SVO |
| -22 | 10.5 | 2445945 | 1984-09-01 | 2445961 | 1984-09-17 | -16 | SVO |
| -21 | 11.0 | 2446295 | 1985-08-17 | 2446304 | 1985-08-26 | -9 | SVO |
| -20 | 10.5 | 2446637 | 1986-07-25 | 2446647 | 1986-08-04 | -10 | SVO |
| -19 | 10.7 | 2446980 | 1987-07-03 | 2446990 | 1987-07-13 | -10 | SVO |
| -18 | 10.5 | 2447328 | 1988-06-15 | 2447333 | 1988-06-20 | -5 | SVO |
| -17 | 11.5 | 2447667 | 1989-05-20 | 2447676 | 1989-05-29 | -9 | SVO |
| -16 | 10.9 | 2448017 | 1990-05-05 | 2448018 | 1990-05-06 | -1 | SVO |
| -15 | 10.3 | 2448352 | 1991-04-05 | 2448361 | 1991-04-14 | -9 | SVO |
| -14 | 10.4 | 2448692 | 1992-03-10 | 2448704 | 1992-03-22 | -12 | SVO |
| -13 | 10.7 | 2449045 | 1993-02-26 | 2449047 | 1993-02-28 | -2 | SVO |
| -12 | 10.7 | 2449388 | 1994-02-04 | 2449390 | 1994-02-06 | -2 | SVO |
| -11 | 10.3 | 2449728 | 1995-01-10 | 2449733 | 1995-01-15 | -5 | SVO |
| -10 | 11.0 | 2450074 | 1995-12-22 | 2450076 | 1995-12-24 | -2 | SVO |
| -9 | 11.0 | 2450417 | 1996-11-29 | 2450419 | 1996-12-01 | -2 | SVO |
| -8 | 10.2 | 2450754 | 1997-11-01 | 2450761 | 1997-11-08 | -7 | SVO |
| -7 | 10.6 | 2451108 | 1998-10-21 | 2451104 | 1998-10-17 | 4 | SVO |
| -6 | 11.2 | 2451453 | 1999-10-01 | 2451447 | 1999-09-25 | 6 | SVO |
| -5 | 10.7 | 2451797 | 2000-09-09 | 2451790 | 2000-09-02 | 7 | SVO |
| -4 | 11.2 | 2452145 | 2001-08-23 | 2452133 | 2001-08-11 | 12 | SVO |
| -3 | 10.3 | 2452478 | 2002-07-22 | 2452476 | 2002-07-20 | 2 | SVO |
| -2 | 10.6 | 2452827 | 2003-07-06 | 2452819 | 2003-06-28 | 8 | SVO |
| -1 | 10.6 | 2453173 | 2004-06-16 | 2453161 | 2004-06-04 | 12 | SVO |
| 0 | 11.1 | 2453516 | 2005-05-25 | 2453504 | 2005-05-13 | 12 | SVO |
| 1 | 11.0 | 2453859 | 2006-05-03 | 2453847 | 2006-04-21 | 12 | SVO |
| 2 | 2454204 | 2007-04-13 | 2454190 | 2007-03-30 | 14 | AAVSO | |
| 3 | 10.4 | 2454537 | 2008-03-11 | 2454533 | 2008-03-07 | 4 | SVO |
| 4 | 10.5 | 2454875 | 2009-02-12 | 2454876 | 2009-02-13 | -1 | SVO |
| 5 | 10.6 | 2455217 | 2010-01-20 | 2455219 | 2010-01-22 | -2 | SVO |
| 6 | 10.7 | 2455556 | 2010-12-25 | 2455561 | 2010-12-30 | -5 | SVO |
| 7 | 10.4 | 2455893 | 2011-11-27 | 2455904 | 2011-12-08 | -11 | SVO |
| 8 | 10.8 | 2456235 | 2012-11-03 | 2456247 | 2012-11-15 | -12 | SVO |
| 9 | 11.0 | 2456583 | 2013-10-17 | 2456590 | 2013-10-24 | -7 | SVO |
| 10 | 10.5 | 2456922 | 2014-09-21 | 2456933 | 2014-10-02 | -11 | SVO |
| 11 | 10.1 | 2457275 | 2015-09-09 | 2457276 | 2015-09-10 | -1 | SVO |
| 12 | 11.0 | 2457612 | 2016-08-11 | 2457619 | 2016-08-18 | -7 | SVO |
| 13 | 10.1 | 2457949 | 2017-07-14 | 2457962 | 2017-07-27 | -13 | SVO |
| 14 | 10.6 | 2458295 | 2018-06-25 | 2458304 | 2018-07-04 | -9 | SVO |
| 15 | 10.6 | 2458627 | 2019-05-23 | 2458647 | 2019-06-12 | -20 | SVO |
| 16 | 10.0 | 2458965 | 2020-04-25 | 2458990 | 2020-05-20 | -25 | SVO |
| 17 | 10.9 | 2459319 | 2021-04-14 | 2459333 | 2021-04-28 | -14 | SVO |
| 18 | 10.6 | 2459651 | 2022-03-12 | 2459676 | 2022-04-06 | -25 | 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. |