| E | O (JD) | O (dat) | Period |
| -130 | 2411490 | 1890-05-02 | 260.39 |
| -126 | 2412560 | 1893-04-06 | 259.05 |
| -123 | 2413335 | 1895-05-21 | 257.93 |
| -119 | 2414380 | 1898-03-31 | 257.8 |
| -118 | 2414630 | 1898-12-06 | 256.68 |
| -116 | 2415135 | 1900-04-25 | 256.38 |
| -115 | 2415370 | 1900-12-16 | 254.37 |
| -113 | 2415877 | 1902-05-07 | 253.45 |
| -112 | 2416155 | 1903-02-09 | 252.74 |
| -110 | 2416624 | 1904-05-23 | 253.03 |
| -109 | 2416901 | 1905-02-24 | 253.59 |
| -106 | 2417665 | 1907-03-30 | 254.36 |
| -105 | 2417914 | 1907-12-04 | 254.62 |
| -103 | 2418419 | 1909-04-22 | 254.78 |
| -102 | 2418670 | 1909-12-29 | 255.84 |
| -99 | 2419440 | 1912-02-07 | 255.96 |
| -96 | 2420212 | 1914-03-20 | 256.75 |
| -95 | 2420470 | 1914-12-03 | 257.87 |
| -93 | 2420980 | 1916-04-26 | 259.91 |
| -92 | 2421249 | 1917-01-20 | 261.94 |
| -90 | 2421765 | 1918-06-20 | 263.8 |
| -89 | 2422028 | 1919-03-10 | 264.97 |
| -88 | 2422305 | 1919-12-12 | 265.77 |
| -85 | 2423116 | 1922-03-02 | 266.31 |
| -82 | 2423910 | 1924-05-04 | 266.24 |
| -81 | 2424175 | 1925-01-24 | 266.58 |
| -78 | 2424963 | 1927-03-23 | 266.35 |
| -77 | 2425240 | 1927-12-25 | 265.94 |
| -76 | 2425500 | 1928-09-10 | 265.48 |
| -75 | 2425760 | 1929-05-28 | 265.98 |
| -74 | 2426038 | 1930-03-02 | 265.81 |
| -73 | 2426300 | 1930-11-19 | 266.14 |
| -71 | 2426835 | 1932-05-07 | 266.45 |
| -70 | 2427093 | 1933-01-20 | 266.99 |
| -69 | 2427370 | 1933-10-24 | 267.31 |
| -68 | 2427620 | 1934-07-01 | 267.35 |
| -67 | 2427898 | 1935-04-05 | 268.09 |
| -66 | 2428176 | 1936-01-08 | 268.48 |
| -64 | 2428705 | 1937-06-20 | 268.58 |
| -63 | 2428974 | 1938-03-16 | 267.83 |
| -62 | 2429243 | 1938-12-10 | 267.72 |
| -61 | 2429517 | 1939-09-10 | 266.52 |
| -60 | 2429781 | 1940-05-31 | 265.61 |
| -59 | 2430043 | 1941-02-17 | 264.86 |
| -58 | 2430299 | 1941-10-31 | 263.71 |
| -57 | 2430571 | 1942-07-30 | 262.66 |
| -56 | 2430832 | 1943-04-17 | 262.35 |
| -55 | 2431097 | 1944-01-07 | 262.26 |
| -54 | 2431355 | 1944-09-21 | 262.03 |
| -53 | 2431612 | 1945-06-05 | 261.73 |
| -52 | 2431873 | 1946-02-21 | 261.55 |
| -51 | 2432146 | 1946-11-21 | 261.61 |
| -50 | 2432403 | 1947-08-05 | 261.47 |
| -49 | 2432660 | 1948-04-18 | 262.21 |
| -48 | 2432920 | 1949-01-03 | 262.02 |
| -47 | 2433191 | 1949-10-01 | 261.22 |
| -46 | 2433448 | 1950-06-15 | 260.29 |
| -45 | 2433706 | 1951-02-28 | 259.69 |
| -44 | 2433982 | 1951-12-01 | 258.68 |
| -43 | 2434229 | 1952-08-04 | 257.63 |
| -42 | 2434482 | 1953-04-14 | 256.49 |
| -41 | 2434740 | 1953-12-28 | 255.42 |
| -40 | 2434993 | 1954-09-07 | 254.89 |
| -39 | 2435245 | 1955-05-17 | 254.47 |
| -38 | 2435504 | 1956-01-31 | 254.29 |
| -37 | 2435759 | 1956-10-12 | 254.34 |
| -36 | 2436003 | 1957-06-13 | 253.68 |
| -35 | 2436269 | 1958-03-06 | 253.12 |
| -34 | 2436526 | 1958-11-18 | 252.9 |
| -33 | 2436764 | 1959-07-14 | 253.27 |
| -32 | 2437029 | 1960-04-04 | 253.75 |
| -31 | 2437270 | 1960-12-01 | 254.03 |
| -30 | 2437520 | 1961-08-08 | 254.12 |
| -29 | 2437780 | 1962-04-25 | 254.65 |
| -28 | 2438048 | 1963-01-18 | 255.36 |
| -27 | 2438300 | 1963-09-27 | 255.42 |
| -26 | 2438549 | 1964-06-02 | 256.15 |
| -25 | 2438810 | 1965-02-18 | 256.5 |
| -24 | 2439062 | 1965-10-28 | 256.97 |
| -23 | 2439316 | 1966-07-09 | 257.36 |
| -22 | 2439574 | 1967-03-24 | 258.61 |
| -21 | 2439833 | 1967-12-08 | 259.73 |
| -20 | 2440096 | 1968-08-27 | 260.33 |
| -19 | 2440364 | 1969-05-22 | 261.47 |
| -18 | 2440619 | 1970-02-01 | 261.82 |
| -17 | 2440884 | 1970-10-24 | 261.6 |
| -16 | 2441146 | 1971-07-13 | 261.97 |
| -15 | 2441405 | 1972-03-28 | 262.18 |
| -14 | 2441675 | 1972-12-23 | 262.32 |
| -13 | 2441928 | 1973-09-02 | 263.31 |
| -12 | 2442184 | 1974-05-16 | 263.84 |
| -11 | 2442461 | 1975-02-17 | 264.15 |
| -10 | 2442724 | 1975-11-07 | 264.5 |
| -9 | 2442985 | 1976-07-25 | 265.2 |
| -8 | 2443260 | 1977-04-26 | 266.55 |
| -7 | 2443523 | 1978-01-14 | 266.12 |
| -6 | 2443781 | 1978-09-29 | 266.32 |
| -5 | 2444047 | 1979-06-22 | 266.54 |
| -4 | 2444324 | 1980-03-25 | 266.92 |
| -3 | 2444598 | 1980-12-24 | 266.9 |
| -2 | 2444840 | 1981-08-23 | 267.57 |
| -1 | 2445129 | 1982-06-08 | 267.03 |
| 0 | 2445386 | 1983-02-20 | 265.88 |
| 1 | 2445659 | 1983-11-20 | 264.5 |
| 2 | 2445924 | 1984-08-11 | 263.4 |
| 3 | 2446197 | 1985-05-11 | 262.65 |
| 4 | 2446442 | 1986-01-11 | 260.64 |
| 5 | 2446703 | 1986-09-29 | 260.61 |
| 6 | 2446963 | 1987-06-16 | 259.12 |
| 7 | 2447220 | 1988-02-28 | 257.64 |
| 8 | 2447478 | 1988-11-12 | 256.71 |
| 9 | 2447736 | 1989-07-28 | 256.45 |
| 10 | 2448012 | 1990-04-30 | 254.64 |
| 11 | 2448248 | 1990-12-22 | 253.35 |
| 12 | 2448493 | 1991-08-24 | 252.68 |
| 13 | 2448754 | 1992-05-11 | 252.2 |
| 14 | 2449007 | 1993-01-19 | 251.06 |
| 15 | 2449241 | 1993-09-10 | 251.35 |
| 16 | 2449499 | 1994-05-26 | 252.86 |
| 17 | 2449760 | 1995-02-11 | 253.45 |
| 18 | 2450015 | 1995-10-24 | 254.21 |
| 19 | 2450250 | 1996-06-15 | 254.85 |
| 20 | 2450526 | 1997-03-18 | 255.96 |
| 21 | 2450780 | 1997-11-27 | 255.81 |
| 22 | 2451030 | 1998-08-04 | 255.45 |
| 23 | 2451296 | 1999-04-27 | 255.37 |
| 24 | 2451541 | 1999-12-28 | 255.57 |
| 25 | 2451805 | 2000-09-17 | 254.46 |
| 26 | 2452056 | 2001-05-26 | 255.05 |
| 27 | 2452305 | 2002-01-30 | 254.7 |
| 28 | 2452559 | 2002-10-11 | 254.11 |
| 29 | 2452819 | 2003-06-28 | 254.75 |
| 30 | 2453069 | 2004-03-04 | 254.61 |
| 31 | 2453339 | 2004-11-29 | 254.95 |
| 32 | 2453576 | 2005-07-24 | 255.64 |
| 33 | 2453830 | 2006-04-04 | 256.16 |
| 34 | 2454098 | 2006-12-28 | 256.84 |
| 35 | 2454347 | 2007-09-03 | 257.72 |
| 36 | 2454602 | 2008-05-15 | 258.68 |
| 37 | 2454868 | 2009-02-05 | 259.79 |
| 38 | 2455128 | 2009-10-23 | 260.53 |
| 39 | 2455391 | 2010-07-13 | 261.26 |
| 40 | 2455650 | 2011-03-29 | 262.55 |
| 41 | 2455918 | 2011-12-22 | 262.81 |
| 42 | 2456167 | 2012-08-27 | 262.7 |
| 43 | 2456440 | 2013-05-27 | 262.94 |
| 44 | 2456708 | 2014-02-19 | 262.6 |
| 45 | 2456974 | 2014-11-12 | 261.83 |
| 46 | 2457228 | 2015-07-24 | 261.33 |
| 47 | 2457490 | 2016-04-11 | 261.59 |
| 48 | 2457756 | 2017-01-02 | 260.6 |
| 49 | 2458009 | 2017-09-12 | 260.43 |
| 50 | 2458260 | 2018-05-21 | 260.26 |
| 51 | 2458529 | 2019-02-14 | 260.81 |
| 52 | 2458800 | 2019-11-12 | 260.82 |
| 53 | 2459050 | 2020-07-19 | 260.95 |
| 54 | 2459317 | 2021-04-12 | 261.74 |
| 55 | 2459571 | 2021-12-22 | 262.18 |
| 56 | 2459840 | 2022-09-17 | 261 |
| 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. |