| E | O (JD) | O (dat) | Period |
| -103 | 2413425 | 1895-08-19 | 308.03 |
| -102 | 2413740 | 1896-06-29 | 307.93 |
| -101 | 2414049 | 1897-05-04 | 307.39 |
| -100 | 2414360 | 1898-03-11 | 307.32 |
| -99 | 2414670 | 1899-01-15 | 307.59 |
| -98 | 2414961 | 1899-11-02 | 307.37 |
| -97 | 2415278 | 1900-09-15 | 307.02 |
| -96 | 2415580 | 1901-07-14 | 306.93 |
| -95 | 2415890 | 1902-05-20 | 306.99 |
| -93 | 2416510 | 1904-01-30 | 307.34 |
| -92 | 2416810 | 1904-11-25 | 307.37 |
| -91 | 2417120 | 1905-10-01 | 306.78 |
| -90 | 2417426 | 1906-08-03 | 306.35 |
| -89 | 2417735 | 1907-06-08 | 305.7 |
| -88 | 2418045 | 1908-04-13 | 305.35 |
| -87 | 2418340 | 1909-02-02 | 305.33 |
| -86 | 2418648 | 1909-12-07 | 304.42 |
| -85 | 2418948 | 1910-10-03 | 303.78 |
| -84 | 2419255 | 1911-08-06 | 303.48 |
| -83 | 2419565 | 1912-06-11 | 303.15 |
| -82 | 2419868 | 1913-04-10 | 302.82 |
| -81 | 2420160 | 1914-01-27 | 301.75 |
| -80 | 2420464 | 1914-11-27 | 301.11 |
| -79 | 2420773 | 1915-10-02 | 299.92 |
| -78 | 2421071 | 1916-07-26 | 299.73 |
| -77 | 2421366 | 1917-05-17 | 299.95 |
| -76 | 2421660 | 1918-03-07 | 301.1 |
| -75 | 2421964 | 1919-01-05 | 301.49 |
| -74 | 2422255 | 1919-10-23 | 301.77 |
| -73 | 2422570 | 1920-09-02 | 302.11 |
| -72 | 2422870 | 1921-06-29 | 302.8 |
| -71 | 2423188 | 1922-05-13 | 302.86 |
| -69 | 2423785 | 1923-12-31 | 302.67 |
| -68 | 2424084 | 1924-10-25 | 302.85 |
| -67 | 2424380 | 1925-08-17 | 302.78 |
| -66 | 2424692 | 1926-06-25 | 303.03 |
| -65 | 2424986 | 1927-04-15 | 303.54 |
| -64 | 2425290 | 1928-02-13 | 304.94 |
| -63 | 2425600 | 1928-12-19 | 306.1 |
| -62 | 2425912 | 1929-10-27 | 306.52 |
| -61 | 2426212 | 1930-08-23 | 306.55 |
| -60 | 2426526 | 1931-07-03 | 307.12 |
| -59 | 2426830 | 1932-05-02 | 306.89 |
| -56 | 2427753 | 1934-11-11 | 306.68 |
| -55 | 2428054 | 1935-09-08 | 306.6 |
| -54 | 2428360 | 1936-07-10 | 305.95 |
| -53 | 2428675 | 1937-05-21 | 305.35 |
| -51 | 2429280 | 1939-01-16 | 304.73 |
| -50 | 2429589 | 1939-11-21 | 304.33 |
| -49 | 2429897 | 1940-09-24 | 303.79 |
| -48 | 2430179 | 1941-07-03 | 303.29 |
| -45 | 2431105 | 1944-01-15 | 302.91 |
| -44 | 2431400 | 1944-11-05 | 303.11 |
| -43 | 2431713 | 1945-09-14 | 303.93 |
| -42 | 2432002 | 1946-06-30 | 304.67 |
| -38 | 2433220 | 1949-10-30 | 304.99 |
| -37 | 2433523 | 1950-08-29 | 305.1 |
| -36 | 2433835 | 1951-07-07 | 305.24 |
| -32 | 2435070 | 1954-11-23 | 305.38 |
| -25 | 2437200 | 1960-09-22 | 305.82 |
| -24 | 2437497 | 1961-07-16 | 305.99 |
| -20 | 2438725 | 1964-11-25 | 305.95 |
| -19 | 2439026 | 1965-09-22 | 305.85 |
| -18 | 2439339 | 1966-08-01 | 305.61 |
| -17 | 2439656 | 1967-06-14 | 306.01 |
| -16 | 2439960 | 1968-04-13 | 305.93 |
| -14 | 2440565 | 1969-12-09 | 305.2 |
| -13 | 2440874 | 1970-10-14 | 304.57 |
| -12 | 2441168 | 1971-08-04 | 303.77 |
| -11 | 2441475 | 1972-06-06 | 303.23 |
| -10 | 2441780 | 1973-04-07 | 303.3 |
| -9 | 2442083 | 1974-02-04 | 303.39 |
| -8 | 2442383 | 1974-12-01 | 303.28 |
| -7 | 2442689 | 1975-10-03 | 303.29 |
| -6 | 2442993 | 1976-08-02 | 303.28 |
| -5 | 2443297 | 1977-06-02 | 303.8 |
| -4 | 2443600 | 1978-04-01 | 304.15 |
| -3 | 2443901 | 1979-01-27 | 304.71 |
| -2 | 2444200 | 1979-11-22 | 305.26 |
| -1 | 2444512 | 1980-09-29 | 305.68 |
| 0 | 2444824 | 1981-08-07 | 305.89 |
| 1 | 2445124 | 1982-06-03 | 306 |
| 2 | 2445434 | 1983-04-09 | 306.27 |
| 3 | 2445744 | 1984-02-13 | 305.89 |
| 4 | 2446046 | 1984-12-11 | 304.87 |
| 5 | 2446348 | 1985-10-09 | 304.52 |
| 6 | 2446652 | 1986-08-09 | 304.46 |
| 7 | 2446963 | 1987-06-16 | 304.26 |
| 8 | 2447260 | 1988-04-08 | 304.13 |
| 9 | 2447559 | 1989-02-01 | 304 |
| 10 | 2447871 | 1989-12-10 | 303.46 |
| 11 | 2448175 | 1990-10-10 | 303.25 |
| 12 | 2448482 | 1991-08-13 | 303.17 |
| 13 | 2448783 | 1992-06-09 | 303.13 |
| 14 | 2449081 | 1993-04-03 | 302.63 |
| 15 | 2449377 | 1994-01-24 | 302.26 |
| 16 | 2449688 | 1994-12-01 | 302.37 |
| 17 | 2449994 | 1995-10-03 | 302.64 |
| 18 | 2450290 | 1996-07-25 | 302.98 |
| 19 | 2450589 | 1997-05-20 | 303.15 |
| 20 | 2450899 | 1998-03-26 | 303.15 |
| 21 | 2451203 | 1999-01-24 | 302.66 |
| 22 | 2451508 | 1999-11-25 | 302.64 |
| 23 | 2451808 | 2000-09-20 | 302.95 |
| 24 | 2452108 | 2001-07-17 | 303.07 |
| 25 | 2452412 | 2002-05-17 | 303.06 |
| 26 | 2452712 | 2003-03-13 | 304.01 |
| 27 | 2453016 | 2004-01-11 | 305.01 |
| 28 | 2453322 | 2004-11-12 | 306.5 |
| 29 | 2453628 | 2005-09-14 | 307.84 |
| 30 | 2453934 | 2006-07-17 | 309.29 |
| 31 | 2454252 | 2007-05-31 | 310.19 |
| 32 | 2454559 | 2008-04-02 | 310.97 |
| 33 | 2454875 | 2009-02-12 | 311.3 |
| 34 | 2455185 | 2009-12-19 | 311.48 |
| 35 | 2455503 | 2010-11-02 | 310.87 |
| 36 | 2455805 | 2011-08-31 | 309.9 |
| 37 | 2456121 | 2012-07-12 | 309.07 |
| 38 | 2456428 | 2013-05-15 | 308.05 |
| 39 | 2456740 | 2014-03-23 | 307.38 |
| 40 | 2457039 | 2015-01-16 | 306.44 |
| 41 | 2457346 | 2015-11-19 | 306.2 |
| 42 | 2457650 | 2016-09-18 | 305.33 |
| 43 | 2457957 | 2017-07-22 | 305.3 |
| 44 | 2458265 | 2018-05-26 | 305.15 |
| 45 | 2458565 | 2019-03-22 | 305.39 |
| 46 | 2458875 | 2020-01-26 | 305.3 |
| 47 | 2459173 | 2020-11-19 | 305.3 |
| 48 | 2459486 | 2021-09-28 | 305.11 |
| 49 | 2459788 | 2022-07-27 | 305.03 |
| E | Cycle number from the GCVS4 epoch. |
| O (JD) | Julian date at observed time for maximum. |
| O (Dat) | Same as above, expressed as date. |
| Period | Calculated mean period at cycle number E. |