| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -88 | 2412620 | 1893-06-05 | 2412615 | 1893-05-31 | 5 | SVO | |
| -87 | 2412940 | 1894-04-21 | 2412948 | 1894-04-29 | -8 | SVO | |
| -84 | 2413940 | 1897-01-15 | 2413945 | 1897-01-20 | -5 | SVO | |
| -78 | 2415900 | 1902-05-30 | 2415941 | 1902-07-10 | -41 | AnHar, 1952, vol 115 | |
| -77 | 2416220 | 1903-04-15 | 2416273 | 1903-06-07 | -53 | AnHar, 1952, vol 115 | |
| -76 | 2416570 | 1904-03-30 | 2416606 | 1904-05-05 | -36 | AnHar, 1952, vol 115 | |
| -75 | 2416900 | 1905-02-23 | 2416938 | 1905-04-02 | -38 | AnHar, 1952, vol 115 | |
| -67 | 2419590 | 1912-07-06 | 2419599 | 1912-07-15 | -9 | AnHar, 1952, vol 115 | |
| -63 | 2420910 | 1916-02-16 | 2420929 | 1916-03-06 | -19 | AnHar, 1952, vol 115 | |
| -60 | 2421930 | 1918-12-02 | 2421927 | 1918-11-29 | 3 | AnHar, 1952, vol 115 | |
| -56 | 2423250 | 1922-07-14 | 2423257 | 1922-07-21 | -7 | AnHar, 1952, vol 115 | |
| -55 | 2423600 | 1923-06-29 | 2423589 | 1923-06-18 | 11 | AnHar, 1952, vol 115 | |
| -54 | 2423930 | 1924-05-24 | 2423922 | 1924-05-16 | 8 | AnHar, 1952, vol 115 | |
| -50 | 2425310 | 1928-03-04 | 2425252 | 1928-01-06 | 58 | AnHar, 1952, vol 115 | |
| -45 | 2426910 | 1932-07-21 | 2426915 | 1932-07-26 | -5 | AnHar, 1952, vol 115 | |
| -44 | 2427240 | 1933-06-16 | 2427248 | 1933-06-24 | -8 | AnHar, 1952, vol 115 | |
| -43 | 2427590 | 1934-06-01 | 2427580 | 1934-05-22 | 10 | AnHar, 1952, vol 115 | |
| -42 | 2427920 | 1935-04-27 | 2427913 | 1935-04-20 | 7 | AnHar, 1952, vol 115 | |
| -41 | 2428270 | 1936-04-11 | 2428245 | 1936-03-17 | 25 | AnHar, 1952, vol 115 | |
| -40 | 2428620 | 1937-03-27 | 2428578 | 1937-02-13 | 42 | AnHar, 1952, vol 115 | |
| -34 | 2430580 | 1942-08-08 | 2430573 | 1942-08-01 | 7 | SVO | |
| -33 | 2430913 | 1943-07-07 | 2430906 | 1943-06-30 | 7 | SVO | |
| -32 | 2431256 | 1944-06-14 | 2431238 | 1944-05-27 | 18 | SVO | |
| -31 | 2431585 | 1945-05-09 | 2431571 | 1945-04-25 | 14 | SVO | |
| -30 | 2431916 | 1946-04-05 | 2431903 | 1946-03-23 | 13 | SVO | |
| -7 | 10.5 | 2439573 | 1967-03-23 | 2439552 | 1967-03-02 | 21 | SVO |
| -1 | 2441569 | 1972-09-08 | 2441547 | 1972-08-17 | 22 | JAVSO, 1976, vol 4, p 58 | |
| 0 | 2441900 | 1973-08-05 | 2441880 | 1973-07-16 | 20 | SVO | |
| 1 | 9.8 | 2442225 | 1974-06-26 | 2442213 | 1974-06-14 | 12 | SVO |
| 2 | 10.9 | 2442552 | 1975-05-19 | 2442545 | 1975-05-12 | 7 | SVO |
| 3 | 2442900 | 1976-05-01 | 2442878 | 1976-04-09 | 22 | SVO | |
| 4 | 10.5 | 2443223 | 1977-03-20 | 2443210 | 1977-03-07 | 13 | SVO |
| 5 | 2443550 | 1978-02-10 | 2443543 | 1978-02-03 | 7 | SVO | |
| 9 | 9.3 | 2444877 | 1981-09-29 | 2444873 | 1981-09-25 | 4 | SVO |
| 10 | 2445200 | 1982-08-18 | 2445206 | 1982-08-24 | -6 | SVO | |
| 11 | 10.3 | 2445533 | 1983-07-17 | 2445538 | 1983-07-22 | -5 | SVO |
| 12 | 10.4 | 2445870 | 1984-06-18 | 2445871 | 1984-06-19 | -1 | SVO |
| 13 | 9.2 | 2446192 | 1985-05-06 | 2446203 | 1985-05-17 | -11 | SVO |
| 14 | 10.9 | 2446525 | 1986-04-04 | 2446536 | 1986-04-15 | -11 | SVO |
| 15 | 10.5 | 2446857 | 1987-03-02 | 2446868 | 1987-03-13 | -11 | SVO |
| 16 | 2447190 | 1988-01-29 | 2447201 | 1988-02-09 | -11 | SVO | |
| 17 | 2447530 | 1989-01-03 | 2447533 | 1989-01-06 | -3 | SVO | |
| 21 | 2448875 | 1992-09-09 | 2448864 | 1992-08-29 | 11 | SVO | |
| 22 | 9.9 | 2449200 | 1993-07-31 | 2449196 | 1993-07-27 | 4 | SVO |
| 23 | 9.6 | 2449535 | 1994-07-01 | 2449529 | 1994-06-25 | 6 | SVO |
| 24 | 9.6 | 2449864 | 1995-05-26 | 2449861 | 1995-05-23 | 3 | SVO |
| 25 | 10.2 | 2450207 | 1996-05-03 | 2450194 | 1996-04-20 | 13 | SVO |
| 26 | 9.9 | 2450546 | 1997-04-07 | 2450526 | 1997-03-18 | 20 | SVO |
| 27 | 2450875 | 1998-03-02 | 2450859 | 1998-02-14 | 16 | SVO | |
| 28 | 2451200 | 1999-01-21 | 2451191 | 1999-01-12 | 9 | SVO | |
| 32 | 2452530 | 2002-09-12 | 2452522 | 2002-09-04 | 8 | SVO | |
| 33 | 8.9 | 2452890 | 2003-09-07 | 2452854 | 2003-08-02 | 36 | SVO |
| 34 | 10.5 | 2453191 | 2004-07-04 | 2453187 | 2004-06-30 | 4 | SVO |
| 35 | 10.1 | 2453527 | 2005-06-05 | 2453519 | 2005-05-28 | 8 | SVO |
| 36 | 9.5 | 2453857 | 2006-05-01 | 2453852 | 2006-04-26 | 5 | SVO |
| 37 | 10.4 | 2454184 | 2007-03-24 | 2454184 | 2007-03-24 | 0 | SVO |
| 38 | 9.3 | 2454514 | 2008-02-17 | 2454517 | 2008-02-20 | -3 | SVO |
| 39 | 2454840 | 2009-01-08 | 2454850 | 2009-01-18 | -10 | SVO | |
| 44 | 2456500 | 2013-07-26 | 2456512 | 2013-08-07 | -12 | SVO | |
| 45 | 10.1 | 2456830 | 2014-06-21 | 2456845 | 2014-07-06 | -15 | SVO |
| 46 | 11.2 | 2457165 | 2015-05-22 | 2457177 | 2015-06-03 | -12 | SVO |
| 47 | 10.4 | 2457492 | 2016-04-13 | 2457510 | 2016-05-01 | -18 | SVO |
| 48 | 10.1 | 2457817 | 2017-03-04 | 2457843 | 2017-03-30 | -26 | SVO |
| 49 | 2458160 | 2018-02-10 | 2458175 | 2018-02-25 | -15 | SVO | |
| 50 | 2458490 | 2019-01-06 | 2458508 | 2019-01-24 | -18 | SVO | |
| 51 | 2458820 | 2019-12-02 | 2458840 | 2019-12-22 | -20 | SVO | |
| 52 | 2459150 | 2020-10-27 | 2459173 | 2020-11-19 | -23 | SVO | |
| 53 | 10.0 | 2459490 | 2021-10-02 | 2459505 | 2021-10-17 | -15 | SVO |
| 54 | 2459815 | 2022-08-23 | 2459838 | 2022-09-15 | -23 | 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. |