| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -130 | 2411490 | 1890-05-02 | 2410953 | 1888-11-11 | 537 | SVO | |
| -126 | 2412560 | 1893-04-06 | 2412013 | 1891-10-07 | 547 | SVO | |
| -123 | 2413335 | 1895-05-21 | 2412807 | 1893-12-09 | 528 | SVO | |
| -119 | 2414380 | 1898-03-31 | 2413867 | 1896-11-03 | 513 | SVO | |
| -118 | 2414630 | 1898-12-06 | 2414132 | 1897-07-26 | 498 | SVO | |
| -116 | 2415135 | 1900-04-25 | 2414662 | 1899-01-07 | 473 | SVO | |
| -115 | 2415370 | 1900-12-16 | 2414927 | 1899-09-29 | 443 | SVO | |
| -113 | 2415877 | 1902-05-07 | 2415456 | 1901-03-12 | 421 | SVO | |
| -112 | 2416155 | 1903-02-09 | 2415721 | 1901-12-02 | 434 | SVO | |
| -110 | 2416624 | 1904-05-23 | 2416251 | 1903-05-16 | 373 | SVO | |
| -109 | 2416901 | 1905-02-24 | 2416516 | 1904-02-05 | 385 | SVO | |
| -106 | 2417665 | 1907-03-30 | 2417311 | 1906-04-10 | 354 | SVO | |
| -105 | 2417914 | 1907-12-04 | 2417576 | 1906-12-31 | 338 | GuL, 1918, 1.1 | |
| -103 | 2418419 | 1909-04-22 | 2418105 | 1908-06-12 | 314 | SVO | |
| -102 | 2418670 | 1909-12-29 | 2418370 | 1909-03-04 | 300 | SVO | |
| -99 | 2419440 | 1912-02-07 | 2419165 | 1911-05-08 | 275 | SVO | |
| -96 | 2420212 | 1914-03-20 | 2419960 | 1913-07-11 | 252 | SVO | |
| -95 | 2420470 | 1914-12-03 | 2420225 | 1914-04-02 | 245 | SVO | |
| -93 | 2420980 | 1916-04-26 | 2420754 | 1915-09-13 | 226 | SVO | |
| -92 | 2421249 | 1917-01-20 | 2421019 | 1916-06-04 | 230 | SVO | |
| -90 | 2421765 | 1918-06-20 | 2421549 | 1917-11-16 | 216 | SVO | |
| -89 | 2422028 | 1919-03-10 | 2421814 | 1918-08-08 | 214 | SVO | |
| -88 | 2422305 | 1919-12-12 | 2422079 | 1919-04-30 | 226 | SVO | |
| -85 | 2423116 | 1922-03-02 | 2422874 | 1921-07-03 | 242 | SVO | |
| -82 | 2423910 | 1924-05-04 | 2423668 | 1923-09-05 | 242 | SVO | |
| -81 | 2424175 | 1925-01-24 | 2423933 | 1924-05-27 | 242 | SVO | |
| -78 | 2424963 | 1927-03-23 | 2424728 | 1926-07-31 | 235 | SVO | |
| -77 | 2425240 | 1927-12-25 | 2424993 | 1927-04-22 | 247 | SVO | |
| -76 | 2425500 | 1928-09-10 | 2425258 | 1928-01-12 | 242 | SVO | |
| -75 | 2425760 | 1929-05-28 | 2425523 | 1928-10-03 | 237 | SVO | |
| -74 | 2426038 | 1930-03-02 | 2425787 | 1929-06-24 | 251 | SVO | |
| -73 | 2426300 | 1930-11-19 | 2426052 | 1930-03-16 | 248 | SVO | |
| -71 | 2426835 | 1932-05-07 | 2426582 | 1931-08-28 | 253 | SVO | |
| -70 | 2427093 | 1933-01-20 | 2426847 | 1932-05-19 | 246 | SVO | |
| -69 | 2427370 | 1933-10-24 | 2427112 | 1933-02-08 | 258 | SVO | |
| -68 | 2427620 | 1934-07-01 | 2427377 | 1933-10-31 | 243 | SVO | |
| -67 | 2427898 | 1935-04-05 | 2427642 | 1934-07-23 | 256 | SVO | |
| -66 | 9.2 | 2428176 | 1936-01-08 | 2427907 | 1935-04-14 | 269 | AAVSO |
| -64 | 9.0 | 2428705 | 1937-06-20 | 2428436 | 1936-09-24 | 269 | AAVSO |
| -63 | 9.4 | 2428974 | 1938-03-16 | 2428701 | 1937-06-16 | 273 | SVO |
| -62 | 8.8 | 2429243 | 1938-12-10 | 2428966 | 1938-03-08 | 277 | AAVSO |
| -61 | 2429517 | 1939-09-10 | 2429231 | 1938-11-28 | 286 | AAVSO | |
| -60 | 2429781 | 1940-05-31 | 2429496 | 1939-08-20 | 285 | AAVSO | |
| -59 | 8.2 | 2430043 | 1941-02-17 | 2429761 | 1940-05-11 | 282 | AAVSO |
| -58 | 2430299 | 1941-10-31 | 2430026 | 1941-01-31 | 273 | AAVSO | |
| -57 | 2430571 | 1942-07-30 | 2430291 | 1941-10-23 | 280 | AAVSO | |
| -56 | 9.8 | 2430832 | 1943-04-17 | 2430556 | 1942-07-15 | 276 | SVO |
| -55 | 8.9 | 2431097 | 1944-01-07 | 2430821 | 1943-04-06 | 276 | AAVSO |
| -54 | 2431355 | 1944-09-21 | 2431085 | 1943-12-26 | 270 | AAVSO | |
| -53 | 9.1 | 2431612 | 1945-06-05 | 2431350 | 1944-09-16 | 262 | AAVSO |
| -52 | 9.4 | 2431873 | 1946-02-21 | 2431615 | 1945-06-08 | 258 | SVO |
| -51 | 9.5 | 2432146 | 1946-11-21 | 2431880 | 1946-02-28 | 266 | AAVSO |
| -50 | 2432403 | 1947-08-05 | 2432145 | 1946-11-20 | 258 | AAVSO | |
| -49 | 9.3 | 2432660 | 1948-04-18 | 2432410 | 1947-08-12 | 250 | SVO |
| -48 | 9.3 | 2432920 | 1949-01-03 | 2432675 | 1948-05-03 | 245 | SVO |
| -47 | 2433191 | 1949-10-01 | 2432940 | 1949-01-23 | 251 | AAVSO | |
| -46 | 9.0 | 2433448 | 1950-06-15 | 2433205 | 1949-10-15 | 243 | AAVSO |
| -45 | 9.3 | 2433706 | 1951-02-28 | 2433470 | 1950-07-07 | 236 | SVO |
| -44 | 9.3 | 2433982 | 1951-12-01 | 2433734 | 1951-03-28 | 248 | AAVSO |
| -43 | 9.6 | 2434229 | 1952-08-04 | 2433999 | 1951-12-18 | 230 | AAVSO |
| -42 | 9.7 | 2434482 | 1953-04-14 | 2434264 | 1952-09-08 | 218 | AAVSO |
| -41 | 9.7 | 2434740 | 1953-12-28 | 2434529 | 1953-05-31 | 211 | AAVSO |
| -40 | 2434993 | 1954-09-07 | 2434794 | 1954-02-20 | 199 | AAVSO | |
| -39 | 9.4 | 2435245 | 1955-05-17 | 2435059 | 1954-11-12 | 186 | AAVSO |
| -38 | 9.8 | 2435504 | 1956-01-31 | 2435324 | 1955-08-04 | 180 | AAVSO |
| -37 | 9.4 | 2435759 | 1956-10-12 | 2435589 | 1956-04-25 | 170 | AAVSO |
| -36 | 9.5 | 2436003 | 1957-06-13 | 2435854 | 1957-01-15 | 149 | AAVSO |
| -35 | 9.5 | 2436269 | 1958-03-06 | 2436119 | 1957-10-07 | 150 | SVO |
| -34 | 9.7 | 2436526 | 1958-11-18 | 2436383 | 1958-06-28 | 143 | AAVSO |
| -33 | 9.8 | 2436764 | 1959-07-14 | 2436648 | 1959-03-20 | 116 | AAVSO |
| -32 | 9.3 | 2437029 | 1960-04-04 | 2436913 | 1959-12-10 | 116 | SVO |
| -31 | 9.8 | 2437270 | 1960-12-01 | 2437178 | 1960-08-31 | 92 | AAVSO |
| -30 | 2437520 | 1961-08-08 | 2437443 | 1961-05-23 | 77 | AAVSO | |
| -29 | 9.5 | 2437780 | 1962-04-25 | 2437708 | 1962-02-12 | 72 | AAVSO |
| -28 | 9.7 | 2438048 | 1963-01-18 | 2437973 | 1962-11-04 | 75 | AAVSO |
| -27 | 2438300 | 1963-09-27 | 2438238 | 1963-07-27 | 62 | AAVSO | |
| -26 | 9.0 | 2438549 | 1964-06-02 | 2438503 | 1964-04-17 | 46 | AAVSO |
| -25 | 9.3 | 2438810 | 1965-02-18 | 2438768 | 1965-01-07 | 42 | SVO |
| -24 | 2439062 | 1965-10-28 | 2439032 | 1965-09-28 | 30 | AAVSO | |
| -23 | 9.6 | 2439316 | 1966-07-09 | 2439297 | 1966-06-20 | 19 | AAVSO |
| -22 | 9.3 | 2439574 | 1967-03-24 | 2439562 | 1967-03-12 | 12 | SVO |
| -21 | 9.1 | 2439833 | 1967-12-08 | 2439827 | 1967-12-02 | 6 | AAVSO |
| -20 | 2440096 | 1968-08-27 | 2440092 | 1968-08-23 | 4 | AAVSO | |
| -19 | 9.2 | 2440364 | 1969-05-22 | 2440357 | 1969-05-15 | 7 | AAVSO |
| -18 | 9.1 | 2440619 | 1970-02-01 | 2440622 | 1970-02-04 | -3 | AAVSO |
| -17 | 9.0 | 2440884 | 1970-10-24 | 2440887 | 1970-10-27 | -3 | AAVSO |
| -16 | 2441146 | 1971-07-13 | 2441152 | 1971-07-19 | -6 | AAVSO | |
| -15 | 9.6 | 2441405 | 1972-03-28 | 2441417 | 1972-04-09 | -12 | SVO |
| -14 | 8.7 | 2441675 | 1972-12-23 | 2441681 | 1972-12-29 | -6 | AAVSO |
| -13 | 2441928 | 1973-09-02 | 2441946 | 1973-09-20 | -18 | AAVSO | |
| -12 | 9.4 | 2442184 | 1974-05-16 | 2442211 | 1974-06-12 | -27 | AAVSO |
| -11 | 9.3 | 2442461 | 1975-02-17 | 2442476 | 1975-03-04 | -15 | SVO |
| -10 | 8.7 | 2442724 | 1975-11-07 | 2442741 | 1975-11-24 | -17 | AAVSO |
| -9 | 10.7 | 2442985 | 1976-07-25 | 2443006 | 1976-08-15 | -21 | AAVSO |
| -8 | 9.4 | 2443260 | 1977-04-26 | 2443271 | 1977-05-07 | -11 | SVO |
| -7 | 9.5 | 2443523 | 1978-01-14 | 2443536 | 1978-01-27 | -13 | SVO |
| -6 | 9.4 | 2443781 | 1978-09-29 | 2443801 | 1978-10-19 | -20 | AAVSO |
| -5 | 9.3 | 2444047 | 1979-06-22 | 2444066 | 1979-07-11 | -19 | AAVSO |
| -4 | 9.5 | 2444324 | 1980-03-25 | 2444330 | 1980-03-31 | -6 | SVO |
| -3 | 10.0 | 2444598 | 1980-12-24 | 2444595 | 1980-12-21 | 3 | SVO |
| -2 | 10.8 | 2444840 | 1981-08-23 | 2444860 | 1981-09-12 | -20 | AAVSO |
| -1 | 8.9 | 2445129 | 1982-06-08 | 2445125 | 1982-06-04 | 4 | AAVSO |
| 0 | 9.2 | 2445386 | 1983-02-20 | 2445390 | 1983-02-24 | -4 | SVO |
| 1 | 9.2 | 2445659 | 1983-11-20 | 2445655 | 1983-11-16 | 4 | AAVSO |
| 2 | 2445924 | 1984-08-11 | 2445920 | 1984-08-07 | 4 | AAVSO | |
| 3 | 9.4 | 2446197 | 1985-05-11 | 2446185 | 1985-04-29 | 12 | SVO |
| 4 | 9.1 | 2446442 | 1986-01-11 | 2446450 | 1986-01-19 | -8 | SVO |
| 5 | 10.0 | 2446703 | 1986-09-29 | 2446715 | 1986-10-11 | -12 | AAVSO |
| 6 | 9.1 | 2446963 | 1987-06-16 | 2446979 | 1987-07-02 | -16 | AAVSO |
| 7 | 9.2 | 2447220 | 1988-02-28 | 2447244 | 1988-03-23 | -24 | SVO |
| 8 | 2447478 | 1988-11-12 | 2447509 | 1988-12-13 | -31 | AAVSO | |
| 9 | 2447736 | 1989-07-28 | 2447774 | 1989-09-04 | -38 | AAVSO | |
| 10 | 9.9 | 2448012 | 1990-04-30 | 2448039 | 1990-05-27 | -27 | SVO |
| 11 | 2448248 | 1990-12-22 | 2448304 | 1991-02-16 | -56 | AAVSO | |
| 12 | 2448493 | 1991-08-24 | 2448569 | 1991-11-08 | -76 | AAVSO | |
| 13 | 2448754 | 1992-05-11 | 2448834 | 1992-07-30 | -80 | AAVSO | |
| 14 | 9.4 | 2449007 | 1993-01-19 | 2449099 | 1993-04-21 | -92 | SVO |
| 15 | 2449241 | 1993-09-10 | 2449364 | 1994-01-11 | -123 | AAVSO | |
| 16 | 2449499 | 1994-05-26 | 2449628 | 1994-10-02 | -129 | AAVSO | |
| 17 | 9.3 | 2449760 | 1995-02-11 | 2449893 | 1995-06-24 | -133 | SVO |
| 18 | 2450015 | 1995-10-24 | 2450158 | 1996-03-15 | -143 | AAVSO | |
| 19 | 2450250 | 1996-06-15 | 2450423 | 1996-12-05 | -173 | SVO | |
| 20 | 9.3 | 2450526 | 1997-03-18 | 2450688 | 1997-08-27 | -162 | SVO |
| 21 | 2450780 | 1997-11-27 | 2450953 | 1998-05-19 | -173 | AAVSO | |
| 22 | 2451030 | 1998-08-04 | 2451218 | 1999-02-08 | -188 | AAVSO | |
| 23 | 9.5 | 2451296 | 1999-04-27 | 2451483 | 1999-10-31 | -187 | SVO |
| 24 | 9.2 | 2451541 | 1999-12-28 | 2451748 | 2000-07-22 | -207 | SVO |
| 25 | 2451805 | 2000-09-17 | 2452013 | 2001-04-13 | -208 | AAVSO | |
| 26 | 9.2 | 2452056 | 2001-05-26 | 2452277 | 2002-01-02 | -221 | SVO |
| 27 | 9.3 | 2452305 | 2002-01-30 | 2452542 | 2002-09-24 | -237 | SVO |
| 28 | 2452559 | 2002-10-11 | 2452807 | 2003-06-16 | -248 | AAVSO | |
| 29 | 2452819 | 2003-06-28 | 2453072 | 2004-03-07 | -253 | AAVSO | |
| 30 | 9.2 | 2453069 | 2004-03-04 | 2453337 | 2004-11-27 | -268 | SVO |
| 31 | 2453339 | 2004-11-29 | 2453602 | 2005-08-19 | -263 | AAVSO | |
| 32 | 2453576 | 2005-07-24 | 2453867 | 2006-05-11 | -291 | AAVSO | |
| 33 | 9.3 | 2453830 | 2006-04-04 | 2454132 | 2007-01-31 | -302 | SVO |
| 34 | 9.3 | 2454098 | 2006-12-28 | 2454397 | 2007-10-23 | -299 | SVO |
| 35 | 2454347 | 2007-09-03 | 2454662 | 2008-07-14 | -315 | AAVSO | |
| 36 | 9.0 | 2454602 | 2008-05-15 | 2454926 | 2009-04-04 | -324 | SVO |
| 37 | 9.0 | 2454868 | 2009-02-05 | 2455191 | 2009-12-25 | -323 | SVO |
| 38 | 9.3 | 2455128 | 2009-10-23 | 2455456 | 2010-09-16 | -328 | AAVSO |
| 39 | 9.0 | 2455391 | 2010-07-13 | 2455721 | 2011-06-08 | -330 | AAVSO |
| 40 | 9.0 | 2455650 | 2011-03-29 | 2455986 | 2012-02-28 | -336 | SVO |
| 41 | 9.2 | 2455918 | 2011-12-22 | 2456251 | 2012-11-19 | -333 | SVO |
| 42 | 2456167 | 2012-08-27 | 2456516 | 2013-08-11 | -349 | AAVSO | |
| 43 | 9.4 | 2456440 | 2013-05-27 | 2456781 | 2014-05-03 | -341 | AAVSO |
| 44 | 9.2 | 2456708 | 2014-02-19 | 2457046 | 2015-01-23 | -338 | SVO |
| 45 | 9.2 | 2456974 | 2014-11-12 | 2457311 | 2015-10-15 | -337 | SVO |
| 46 | 9.1 | 2457228 | 2015-07-24 | 2457575 | 2016-07-05 | -347 | AAVSO |
| 47 | 9.3 | 2457490 | 2016-04-11 | 2457840 | 2017-03-27 | -350 | SVO |
| 48 | 9.1 | 2457756 | 2017-01-02 | 2458105 | 2017-12-17 | -349 | SVO |
| 49 | 9.1 | 2458009 | 2017-09-12 | 2458370 | 2018-09-08 | -361 | SVO |
| 50 | 2458260 | 2018-05-21 | 2458635 | 2019-05-31 | -375 | SVO | |
| 51 | 9.4 | 2458529 | 2019-02-14 | 2458900 | 2020-02-20 | -371 | SVO |
| 52 | 2458800 | 2019-11-12 | 2459165 | 2020-11-11 | -365 | SVO | |
| 53 | 2459050 | 2020-07-19 | 2459430 | 2021-08-03 | -380 | SVO | |
| 54 | 9.3 | 2459317 | 2021-04-12 | 2459695 | 2022-04-25 | -378 | SVO |
| 55 | 9.1 | 2459571 | 2021-12-22 | 2459960 | 2023-01-15 | -389 | SVO |
| 56 | 9.4 | 2459840 | 2022-09-17 | 2460224 | 2023-10-06 | -384 | 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. |