| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source | 
	
| -71 |  | 2411462 | 1890-04-04 | 2411426 | 1890-02-27 | 36 | AnHar, 1909, vol 55, p 95 | 
| -68 |  | 2412614 | 1893-05-30 | 2412595 | 1893-05-11 | 19 | AnHar, 1909, vol 55, p 95 | 
| -67 |  | 2412985 | 1894-06-05 | 2412985 | 1894-06-05 | 0 | AnHar, 1909, vol 55, p 95 | 
| -66 |  | 2413350 | 1895-06-05 | 2413374 | 1895-06-29 | -24 | AnHar, 1909, vol 55, p 95 | 
| -65 |  | 2413749 | 1896-07-08 | 2413764 | 1896-07-23 | -15 | AnHar, 1909, vol 55, p 95 | 
| -64 |  | 2414128 | 1897-07-22 | 2414154 | 1897-08-17 | -26 | AnHar, 1909, vol 55, p 95 | 
| -63 |  | 2414515 | 1898-08-13 | 2414543 | 1898-09-10 | -28 | AnHar, 1909, vol 55, p 95 | 
| -60 | 8.6 | 2415695 | 1901-11-06 | 2415712 | 1901-11-23 | -17 | SVO | 
| -57 |  | 2416900 | 1905-02-23 | 2416881 | 1905-02-04 | 19 | SVO | 
| -55 |  | 2417670 | 1907-04-04 | 2417661 | 1907-03-26 | 9 | SVO | 
| -54 |  | 2418048 | 1908-04-16 | 2418050 | 1908-04-18 | -2 | SVO | 
| -53 |  | 2418454 | 1909-05-27 | 2418440 | 1909-05-13 | 14 | SVO | 
| -52 | 9.1 | 2418834 | 1910-06-11 | 2418830 | 1910-06-07 | 4 | SVO | 
| -51 | 9.1 | 2419226 | 1911-07-08 | 2419219 | 1911-07-01 | 7 | SVO | 
| -50 |  | 2419630 | 1912-08-15 | 2419609 | 1912-07-25 | 21 | SVO | 
| -49 |  | 2420010 | 1913-08-30 | 2419999 | 1913-08-19 | 11 | SVO | 
| -48 |  | 2420390 | 1914-09-14 | 2420388 | 1914-09-12 | 2 | SVO | 
| -47 | 8.5 | 2420786 | 1915-10-15 | 2420778 | 1915-10-07 | 8 | SVO | 
| -42 |  | 2422730 | 1921-02-09 | 2422726 | 1921-02-05 | 4 | AAVSO | 
| -41 | 9.6 | 2423146 | 1922-04-01 | 2423116 | 1922-03-02 | 30 | AAVSO | 
| -40 | 10.1 | 2423523 | 1923-04-13 | 2423506 | 1923-03-27 | 17 | SVO | 
| -39 | 9.4 | 2423926 | 1924-05-20 | 2423895 | 1924-04-19 | 31 | AAVSO | 
| -38 | 10.6 | 2424313 | 1925-06-11 | 2424285 | 1925-05-14 | 28 | AAVSO | 
| -37 | 9.2 | 2424699 | 1926-07-02 | 2424675 | 1926-06-08 | 24 | AAVSO | 
| -36 | 9.8 | 2425079 | 1927-07-17 | 2425064 | 1927-07-02 | 15 | SVO | 
| -35 | 10.4 | 2425485 | 1928-08-26 | 2425454 | 1928-07-26 | 31 | AAVSO | 
| -34 | 9.8 | 2425862 | 1929-09-07 | 2425844 | 1929-08-20 | 18 | AAVSO | 
| -33 | 9.2 | 2426248 | 1930-09-28 | 2426233 | 1930-09-13 | 15 | SVO | 
| -32 | 9.8 | 2426643 | 1931-10-28 | 2426623 | 1931-10-08 | 20 | AAVSO | 
| -31 | 9.1 | 2427029 | 1932-11-17 | 2427013 | 1932-11-01 | 16 | AAVSO | 
| -30 |  | 2427418 | 1933-12-11 | 2427402 | 1933-11-25 | 16 | AAVSO | 
| -29 |  | 2427808 | 1935-01-05 | 2427792 | 1934-12-20 | 16 | AAVSO | 
| -27 |  | 2428568 | 1937-02-03 | 2428571 | 1937-02-06 | -3 | AAVSO | 
| -26 |  | 2428956 | 1938-02-26 | 2428961 | 1938-03-03 | -5 | AAVSO | 
| -25 |  | 2429357 | 1939-04-03 | 2429351 | 1939-03-28 | 6 | AAVSO | 
| -24 | 9.0 | 2429751 | 1940-05-01 | 2429740 | 1940-04-20 | 11 | AAVSO | 
| -23 |  | 2430125 | 1941-05-10 | 2430130 | 1941-05-15 | -5 | SVO | 
| -22 |  | 2430512 | 1942-06-01 | 2430520 | 1942-06-09 | -8 | SVO | 
| -21 |  | 2430897 | 1943-06-21 | 2430909 | 1943-07-03 | -12 | SVO | 
| -20 |  | 2431287 | 1944-07-15 | 2431299 | 1944-07-27 | -12 | AAVSO | 
| -19 | 10.3 | 2431691 | 1945-08-23 | 2431689 | 1945-08-21 | 2 | AAVSO | 
| -18 | 10.2 | 2432072 | 1946-09-08 | 2432078 | 1946-09-14 | -6 | SVO | 
| -17 | 9.5 | 2432447 | 1947-09-18 | 2432468 | 1947-10-09 | -21 | SVO | 
| -16 | 8.8 | 2432844 | 1948-10-19 | 2432858 | 1948-11-02 | -14 | AAVSO | 
| -15 |  | 2433249 | 1949-11-28 | 2433247 | 1949-11-26 | 2 | AAVSO | 
| -14 |  | 2433630 | 1950-12-14 | 2433637 | 1950-12-21 | -7 | AAVSO | 
| -13 |  | 2434010 | 1951-12-29 | 2434027 | 1952-01-15 | -17 | AAVSO | 
| -12 | 9.0 | 2434393 | 1953-01-15 | 2434416 | 1953-02-07 | -23 | AAVSO | 
| -11 | 10.7 | 2434782 | 1954-02-08 | 2434806 | 1954-03-04 | -24 | AAVSO | 
| -10 | 9.9 | 2435174 | 1955-03-07 | 2435196 | 1955-03-29 | -22 | SVO | 
| -9 | 9.8 | 2435546 | 1956-03-13 | 2435585 | 1956-04-21 | -39 | SVO | 
| -8 | 9.3 | 2435942 | 1957-04-13 | 2435975 | 1957-05-16 | -33 | SVO | 
| -7 | 10.0 | 2436328 | 1958-05-04 | 2436365 | 1958-06-10 | -37 | SVO | 
| -6 | 9.6 | 2436733 | 1959-06-13 | 2436754 | 1959-07-04 | -21 | SVO | 
| -5 | 10.6 | 2437120 | 1960-07-04 | 2437144 | 1960-07-28 | -24 | AAVSO | 
| -4 | 9.2 | 2437534 | 1961-08-22 | 2437534 | 1961-08-22 | 0 | SVO | 
| -3 | 11.0 | 2437920 | 1962-09-12 | 2437923 | 1962-09-15 | -3 | AAVSO | 
| -2 | 10.3 | 2438313 | 1963-10-10 | 2438313 | 1963-10-10 | 0 | AAVSO | 
| -1 | 9.0 | 2438704 | 1964-11-04 | 2438703 | 1964-11-03 | 1 | AAVSO | 
| 0 |  | 2439096 | 1965-12-01 | 2439092 | 1965-11-27 | 4 | AAVSO | 
| 1 |  | 2439483 | 1966-12-23 | 2439482 | 1966-12-22 | 1 | AAVSO | 
| 2 |  | 2439866 | 1968-01-10 | 2439872 | 1968-01-16 | -6 | AAVSO | 
| 3 | 9.7 | 2440261 | 1969-02-08 | 2440261 | 1969-02-08 | 0 | AAVSO | 
| 4 |  | 2440659 | 1970-03-13 | 2440651 | 1970-03-05 | 8 | AAVSO | 
| 5 | 9.9 | 2441021 | 1971-03-10 | 2441041 | 1971-03-30 | -20 | SVO | 
| 6 | 10.3 | 2441407 | 1972-03-30 | 2441430 | 1972-04-22 | -23 | AAVSO | 
| 7 | 9.5 | 2441798 | 1973-04-25 | 2441820 | 1973-05-17 | -22 | AAVSO | 
| 8 | 10.4 | 2442187 | 1974-05-19 | 2442210 | 1974-06-11 | -23 | AAVSO | 
| 9 | 10.0 | 2442569 | 1975-06-05 | 2442599 | 1975-07-05 | -30 | SVO | 
| 10 | 10.8 | 2442957 | 1976-06-27 | 2442989 | 1976-07-29 | -32 | AAVSO | 
| 11 | 9.3 | 2443348 | 1977-07-23 | 2443379 | 1977-08-23 | -31 | SVO | 
| 12 | 9.5 | 2443737 | 1978-08-16 | 2443768 | 1978-09-16 | -31 | SVO | 
| 13 | 11.1 | 2444136 | 1979-09-19 | 2444158 | 1979-10-11 | -22 | AAVSO | 
| 14 | 11.0 | 2444524 | 1980-10-11 | 2444548 | 1980-11-04 | -24 | AAVSO | 
| 15 | 9.2 | 2444912 | 1981-11-03 | 2444937 | 1981-11-28 | -25 | AAVSO | 
| 16 | 10.8 | 2445306 | 1982-12-02 | 2445327 | 1982-12-23 | -21 | AAVSO | 
| 17 | 10.2 | 2445697 | 1983-12-28 | 2445717 | 1984-01-17 | -20 | AAVSO | 
| 18 | 9.4 | 2446106 | 1985-02-09 | 2446106 | 1985-02-09 | 0 | AAVSO | 
| 19 | 10.6 | 2446506 | 1986-03-16 | 2446496 | 1986-03-06 | 10 | AAVSO | 
| 20 | 10.0 | 2446887 | 1987-04-01 | 2446886 | 1987-03-31 | 1 | SVO | 
| 21 | 9.8 | 2447270 | 1988-04-18 | 2447275 | 1988-04-23 | -5 | SVO | 
| 22 | 9.7 | 2447659 | 1989-05-12 | 2447665 | 1989-05-18 | -6 | SVO | 
| 23 | 9.6 | 2448044 | 1990-06-01 | 2448055 | 1990-06-12 | -11 | SVO | 
| 24 | 9.6 | 2448446 | 1991-07-08 | 2448444 | 1991-07-06 | 2 | SVO | 
| 25 | 9.8 | 2448830 | 1992-07-26 | 2448834 | 1992-07-30 | -4 | SVO | 
| 26 | 9.5 | 2449230 | 1993-08-30 | 2449224 | 1993-08-24 | 6 | SVO | 
| 27 | 9.1 | 2449620 | 1994-09-24 | 2449613 | 1994-09-17 | 7 | SVO | 
| 28 | 9.6 | 2450025 | 1995-11-03 | 2450003 | 1995-10-12 | 22 | SVO | 
| 29 |  | 2450413 | 1996-11-25 | 2450393 | 1996-11-05 | 20 | AAVSO | 
| 30 |  | 2450803 | 1997-12-20 | 2450782 | 1997-11-29 | 21 | AAVSO | 
| 31 |  | 2451191 | 1999-01-12 | 2451172 | 1998-12-24 | 19 | AAVSO | 
| 32 |  | 2451579 | 2000-02-04 | 2451562 | 2000-01-18 | 17 | AAVSO | 
| 33 |  | 2451966 | 2001-02-25 | 2451951 | 2001-02-10 | 15 | AAVSO | 
| 34 |  | 2452353 | 2002-03-19 | 2452341 | 2002-03-07 | 12 | AAVSO | 
| 35 |  | 2452737 | 2003-04-07 | 2452731 | 2003-04-01 | 6 | AAVSO | 
| 36 |  | 2453133 | 2004-05-07 | 2453120 | 2004-04-24 | 13 | AAVSO | 
| 37 | 9.6 | 2453537 | 2005-06-15 | 2453510 | 2005-05-19 | 27 | SVO | 
| 38 | 8.6 | 2453925 | 2006-07-08 | 2453900 | 2006-06-13 | 25 | SVO | 
| 39 | 10.1 | 2454309 | 2007-07-27 | 2454289 | 2007-07-07 | 20 | SVO | 
| 40 | 9.7 | 2454697 | 2008-08-18 | 2454679 | 2008-07-31 | 18 | SVO | 
| 41 | 8.4 | 2455063 | 2009-08-19 | 2455069 | 2009-08-25 | -6 | SVO | 
| 42 | 9.4 | 2455462 | 2010-09-22 | 2455458 | 2010-09-18 | 4 | AAVSO | 
| 43 | 11.0 | 2455855 | 2011-10-20 | 2455848 | 2011-10-13 | 7 | AAVSO | 
| 44 |  | 2456255 | 2012-11-23 | 2456238 | 2012-11-06 | 17 | AAVSO | 
| 45 |  | 2456647 | 2013-12-20 | 2456627 | 2013-11-30 | 20 | AAVSO | 
| 46 |  | 2457029 | 2015-01-06 | 2457017 | 2014-12-25 | 12 | AAVSO | 
| 47 | 10.7 | 2457417 | 2016-01-29 | 2457407 | 2016-01-19 | 10 | AAVSO | 
| 48 | 11.5 | 2457804 | 2017-02-19 | 2457796 | 2017-02-11 | 8 | AAVSO | 
| 49 | 10.1 | 2458191 | 2018-03-13 | 2458186 | 2018-03-08 | 5 | SVO | 
| 50 | 10.0 | 2458577 | 2019-04-03 | 2458576 | 2019-04-02 | 1 | SVO | 
| 51 | 10.9 | 2458974 | 2020-05-04 | 2458965 | 2020-04-25 | 9 | SVO | 
| 52 | 9.5 | 2459358 | 2021-05-23 | 2459355 | 2021-05-20 | 3 | SVO | 
| 53 | 10.6 | 2459738 | 2022-06-07 | 2459745 | 2022-06-14 | -7 | SVO | 
| 54 | 10.9 | 2460133 | 2023-07-07 | 2460134 | 2023-07-08 | -1 | SVO | 
| 55 | 9.6 | 2460520 | 2024-07-28 | 2460524 | 2024-08-01 | -4 | SVO |