| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -144 | 2413990 | 1897-03-06 | 2414130 | 1897-07-24 | -140 | SVO | |
| -142 | 2414410 | 1898-04-30 | 2414548 | 1898-09-15 | -138 | SVO | |
| -139 | 2415050 | 1900-01-30 | 2415175 | 1900-06-04 | -125 | SVO | |
| -137 | 2415475 | 1901-03-31 | 2415593 | 1901-07-27 | -118 | SVO | |
| -135 | 2415904 | 1902-06-03 | 2416011 | 1902-09-18 | -107 | SVO | |
| -134 | 2416115 | 1902-12-31 | 2416220 | 1903-04-15 | -105 | SVO | |
| -132 | 2416540 | 1904-02-29 | 2416638 | 1904-06-06 | -98 | SVO | |
| -130 | 2416967 | 1905-05-01 | 2417056 | 1905-07-29 | -89 | SVO | |
| -127 | 2417610 | 1907-02-03 | 2417683 | 1907-04-17 | -73 | SVO | |
| -125 | 2418046 | 1908-04-14 | 2418102 | 1908-06-09 | -56 | SVO | |
| -124 | 2418263 | 1908-11-17 | 2418311 | 1909-01-04 | -48 | GuL, 1918, 1.1 | |
| -123 | 2418467 | 1909-06-09 | 2418520 | 1909-08-01 | -53 | GuL, 1918, 1.1 | |
| -122 | 2418670 | 1909-12-29 | 2418729 | 1910-02-26 | -59 | SVO | |
| -121 | 2418901 | 1910-08-17 | 2418938 | 1910-09-23 | -37 | AAVSO | |
| -120 | 2419090 | 1911-02-22 | 2419147 | 1911-04-20 | -57 | SVO | |
| -119 | 2419304 | 1911-09-24 | 2419356 | 1911-11-15 | -52 | AAVSO | |
| -118 | 2419532 | 1912-05-09 | 2419565 | 1912-06-11 | -33 | AAVSO | |
| -116 | 2419930 | 1913-06-11 | 2419983 | 1913-08-03 | -53 | AAVSO | |
| -115 | 2420137 | 1914-01-04 | 2420192 | 1914-02-28 | -55 | AAVSO | |
| -114 | 2420353 | 1914-08-08 | 2420401 | 1914-09-25 | -48 | AAVSO | |
| -113 | 9.1 | 2420560 | 1915-03-03 | 2420610 | 1915-04-22 | -50 | AAVSO |
| -112 | 2420768 | 1915-09-27 | 2420819 | 1915-11-17 | -51 | AAVSO | |
| -111 | 9.3 | 2420978 | 1916-04-24 | 2421028 | 1916-06-13 | -50 | SVO |
| -109 | 8.4 | 2421404 | 1917-06-24 | 2421446 | 1917-08-05 | -42 | AAVSO |
| -108 | 2421620 | 1918-01-26 | 2421655 | 1918-03-02 | -35 | AAVSO | |
| -107 | 2421840 | 1918-09-03 | 2421864 | 1918-09-27 | -24 | AAVSO | |
| -106 | 9.4 | 2422044 | 1919-03-26 | 2422073 | 1919-04-24 | -29 | AAVSO |
| -105 | 2422257 | 1919-10-25 | 2422282 | 1919-11-19 | -25 | AAVSO | |
| -104 | 9.9 | 2422466 | 1920-05-21 | 2422491 | 1920-06-15 | -25 | SVO |
| -103 | 10.5 | 2422690 | 1920-12-31 | 2422700 | 1921-01-10 | -10 | SVO |
| -102 | 2422901 | 1921-07-30 | 2422909 | 1921-08-07 | -8 | AAVSO | |
| -101 | 9.6 | 2423102 | 1922-02-16 | 2423118 | 1922-03-04 | -16 | SVO |
| -100 | 2423314 | 1922-09-16 | 2423327 | 1922-09-29 | -13 | AAVSO | |
| -99 | 9.8 | 2423517 | 1923-04-07 | 2423536 | 1923-04-26 | -19 | SVO |
| -98 | 9.6 | 2423723 | 1923-10-30 | 2423745 | 1923-11-21 | -22 | AAVSO |
| -97 | 9.6 | 2423931 | 1924-05-25 | 2423954 | 1924-06-17 | -23 | SVO |
| -96 | 10.1 | 2424152 | 1925-01-01 | 2424163 | 1925-01-12 | -11 | SVO |
| -95 | 9.5 | 2424364 | 1925-08-01 | 2424372 | 1925-08-09 | -8 | AAVSO |
| -94 | 9.4 | 2424575 | 1926-02-28 | 2424581 | 1926-03-06 | -6 | SVO |
| -93 | 2424777 | 1926-09-18 | 2424790 | 1926-10-01 | -13 | AAVSO | |
| -92 | 9.2 | 2424986 | 1927-04-15 | 2424999 | 1927-04-28 | -13 | SVO |
| -91 | 9.2 | 2425193 | 1927-11-08 | 2425208 | 1927-11-23 | -15 | AAVSO |
| -90 | 9.5 | 2425413 | 1928-06-15 | 2425417 | 1928-06-19 | -4 | AAVSO |
| -89 | 9.6 | 2425623 | 1929-01-11 | 2425626 | 1929-01-14 | -3 | SVO |
| -88 | 2425837 | 1929-08-13 | 2425835 | 1929-08-11 | 2 | AAVSO | |
| -87 | 9.2 | 2426044 | 1930-03-08 | 2426044 | 1930-03-08 | 0 | SVO |
| -86 | 2426263 | 1930-10-13 | 2426253 | 1930-10-03 | 10 | AAVSO | |
| -85 | 10.7 | 2426466 | 1931-05-04 | 2426462 | 1931-04-30 | 4 | SVO |
| -84 | 9.7 | 2426682 | 1931-12-06 | 2426671 | 1931-11-25 | 11 | SVO |
| -83 | 9.9 | 2426881 | 1932-06-22 | 2426880 | 1932-06-21 | 1 | SVO |
| -82 | 9.4 | 2427100 | 1933-01-27 | 2427089 | 1933-01-16 | 11 | SVO |
| -81 | 2427301 | 1933-08-16 | 2427298 | 1933-08-13 | 3 | AAVSO | |
| -80 | 9.9 | 2427524 | 1934-03-27 | 2427507 | 1934-03-10 | 17 | SVO |
| -79 | 9.7 | 2427745 | 1934-11-03 | 2427716 | 1934-10-05 | 29 | AAVSO |
| -78 | 9.8 | 2427951 | 1935-05-28 | 2427925 | 1935-05-02 | 26 | SVO |
| -77 | 9.8 | 2428162 | 1935-12-25 | 2428134 | 1935-11-27 | 28 | SVO |
| -76 | 9.9 | 2428371 | 1936-07-21 | 2428343 | 1936-06-23 | 28 | AAVSO |
| -75 | 9.9 | 2428583 | 1937-02-18 | 2428552 | 1937-01-18 | 31 | SVO |
| -74 | 2428794 | 1937-09-17 | 2428761 | 1937-08-15 | 33 | AAVSO | |
| -73 | 9.4 | 2428995 | 1938-04-06 | 2428970 | 1938-03-12 | 25 | SVO |
| -72 | 9.8 | 2429210 | 1938-11-07 | 2429179 | 1938-10-07 | 31 | SVO |
| -71 | 9.6 | 2429425 | 1939-06-10 | 2429388 | 1939-05-04 | 37 | AAVSO |
| -70 | 10.1 | 2429641 | 1940-01-12 | 2429597 | 1939-11-29 | 44 | SVO |
| -69 | 2429853 | 1940-08-11 | 2429806 | 1940-06-25 | 47 | AAVSO | |
| -68 | 9.2 | 2430051 | 1941-02-25 | 2430015 | 1941-01-20 | 36 | SVO |
| -66 | 10.0 | 2430473 | 1942-04-23 | 2430433 | 1942-03-14 | 40 | SVO |
| -64 | 10.0 | 2430894 | 1943-06-18 | 2430851 | 1943-05-06 | 43 | AAVSO |
| -63 | 9.5 | 2431104 | 1944-01-14 | 2431060 | 1943-12-01 | 44 | AAVSO |
| -62 | 10.0 | 2431304 | 1944-08-01 | 2431269 | 1944-06-27 | 35 | AAVSO |
| -61 | 9.6 | 2431510 | 1945-02-23 | 2431478 | 1945-01-22 | 32 | SVO |
| -59 | 9.2 | 2431915 | 1946-04-04 | 2431896 | 1946-03-16 | 19 | SVO |
| -58 | 2432126 | 1946-11-01 | 2432105 | 1946-10-11 | 21 | AAVSO | |
| -57 | 9.4 | 2432337 | 1947-05-31 | 2432314 | 1947-05-08 | 23 | SVO |
| -56 | 9.5 | 2432544 | 1947-12-24 | 2432523 | 1947-12-03 | 21 | AAVSO |
| -55 | 9.2 | 2432755 | 1948-07-22 | 2432732 | 1948-06-29 | 23 | AAVSO |
| -54 | 9.7 | 2432968 | 1949-02-20 | 2432941 | 1949-01-24 | 27 | SVO |
| -53 | 2433176 | 1949-09-16 | 2433150 | 1949-08-21 | 26 | AAVSO | |
| -52 | 9.7 | 2433382 | 1950-04-10 | 2433359 | 1950-03-18 | 23 | SVO |
| -51 | 2433594 | 1950-11-08 | 2433568 | 1950-10-13 | 26 | AAVSO | |
| -50 | 9.3 | 2433807 | 1951-06-09 | 2433777 | 1951-05-10 | 30 | AAVSO |
| -49 | 10.0 | 2434022 | 1952-01-10 | 2433986 | 1951-12-05 | 36 | AAVSO |
| -48 | 10.5 | 2434227 | 1952-08-02 | 2434195 | 1952-07-01 | 32 | AAVSO |
| -47 | 10.2 | 2434443 | 1953-03-06 | 2434404 | 1953-01-26 | 39 | AAVSO |
| -46 | 2434655 | 1953-10-04 | 2434613 | 1953-08-23 | 42 | AAVSO | |
| -45 | 9.6 | 2434859 | 1954-04-26 | 2434822 | 1954-03-20 | 37 | SVO |
| -44 | 2435074 | 1954-11-27 | 2435031 | 1954-10-15 | 43 | AAVSO | |
| -43 | 9.5 | 2435280 | 1955-06-21 | 2435240 | 1955-05-12 | 40 | SVO |
| -42 | 10.0 | 2435497 | 1956-01-24 | 2435449 | 1955-12-07 | 48 | AAVSO |
| -41 | 9.6 | 2435701 | 1956-08-15 | 2435658 | 1956-07-03 | 43 | AAVSO |
| -40 | 11.0 | 2435920 | 1957-03-22 | 2435867 | 1957-01-28 | 53 | SVO |
| -39 | 2436117 | 1957-10-05 | 2436076 | 1957-08-25 | 41 | AAVSO | |
| -38 | 9.4 | 2436325 | 1958-05-01 | 2436285 | 1958-03-22 | 40 | SVO |
| -37 | 10.2 | 2436542 | 1958-12-04 | 2436495 | 1958-10-18 | 47 | AAVSO |
| -36 | 9.9 | 2436753 | 1959-07-03 | 2436704 | 1959-05-15 | 49 | AAVSO |
| -35 | 9.7 | 2436965 | 1960-01-31 | 2436913 | 1959-12-10 | 52 | SVO |
| -34 | 2437169 | 1960-08-22 | 2437122 | 1960-07-06 | 47 | AAVSO | |
| -33 | 9.4 | 2437376 | 1961-03-17 | 2437331 | 1961-01-31 | 45 | SVO |
| -32 | 2437598 | 1961-10-25 | 2437540 | 1961-08-28 | 58 | AAVSO | |
| -31 | 10.4 | 2437805 | 1962-05-20 | 2437749 | 1962-03-25 | 56 | SVO |
| -30 | 9.7 | 2438016 | 1962-12-17 | 2437958 | 1962-10-20 | 58 | AAVSO |
| -29 | 9.8 | 2438226 | 1963-07-15 | 2438167 | 1963-05-17 | 59 | AAVSO |
| -28 | 9.5 | 2438439 | 1964-02-13 | 2438376 | 1963-12-12 | 63 | SVO |
| -27 | 2438646 | 1964-09-07 | 2438585 | 1964-07-08 | 61 | AAVSO | |
| -26 | 9.7 | 2438857 | 1965-04-06 | 2438794 | 1965-02-02 | 63 | SVO |
| -25 | 9.3 | 2439065 | 1965-10-31 | 2439003 | 1965-08-30 | 62 | AAVSO |
| -24 | 9.6 | 2439275 | 1966-05-29 | 2439212 | 1966-03-27 | 63 | SVO |
| -23 | 9.9 | 2439484 | 1966-12-24 | 2439421 | 1966-10-22 | 63 | AAVSO |
| -22 | 2439694 | 1967-07-22 | 2439630 | 1967-05-19 | 64 | AAVSO | |
| -21 | 10.0 | 2439903 | 1968-02-16 | 2439839 | 1967-12-14 | 64 | SVO |
| -20 | 2440116 | 1968-09-16 | 2440048 | 1968-07-10 | 68 | AAVSO | |
| -19 | 9.6 | 2440328 | 1969-04-16 | 2440257 | 1969-02-04 | 71 | SVO |
| -18 | 2440553 | 1969-11-27 | 2440466 | 1969-09-01 | 87 | AAVSO | |
| -17 | 9.4 | 2440746 | 1970-06-08 | 2440675 | 1970-03-29 | 71 | SVO |
| -16 | 9.6 | 2440950 | 1970-12-29 | 2440884 | 1970-10-24 | 66 | AAVSO |
| -15 | 9.5 | 2441155 | 1971-07-22 | 2441093 | 1971-05-21 | 62 | AAVSO |
| -14 | 9.8 | 2441362 | 1972-02-14 | 2441302 | 1971-12-16 | 60 | AAVSO |
| -13 | 2441568 | 1972-09-07 | 2441511 | 1972-07-12 | 57 | AAVSO | |
| -12 | 9.6 | 2441770 | 1973-03-28 | 2441720 | 1973-02-06 | 50 | SVO |
| -11 | 2441982 | 1973-10-26 | 2441929 | 1973-09-03 | 53 | AAVSO | |
| -10 | 9.8 | 2442181 | 1974-05-13 | 2442138 | 1974-03-31 | 43 | SVO |
| -9 | 10.0 | 2442398 | 1974-12-16 | 2442347 | 1974-10-26 | 51 | AAVSO |
| -8 | 9.8 | 2442599 | 1975-07-05 | 2442556 | 1975-05-23 | 43 | AAVSO |
| -7 | 9.5 | 2442805 | 1976-01-27 | 2442765 | 1975-12-18 | 40 | SVO |
| -6 | 2443016 | 1976-08-25 | 2442974 | 1976-07-14 | 42 | AAVSO | |
| -5 | 9.5 | 2443229 | 1977-03-26 | 2443183 | 1977-02-08 | 46 | SVO |
| -4 | 10.1 | 2443439 | 1977-10-22 | 2443392 | 1977-09-05 | 47 | AAVSO |
| -3 | 9.9 | 2443653 | 1978-05-24 | 2443601 | 1978-04-02 | 52 | SVO |
| -2 | 9.3 | 2443853 | 1978-12-10 | 2443810 | 1978-10-28 | 43 | SVO |
| -1 | 10.4 | 2444074 | 1979-07-19 | 2444019 | 1979-05-25 | 55 | AAVSO |
| 0 | 9.9 | 2444283 | 1980-02-13 | 2444228 | 1979-12-20 | 55 | SVO |
| 1 | 2444490 | 1980-09-07 | 2444437 | 1980-07-16 | 53 | AAVSO | |
| 2 | 10.3 | 2444696 | 1981-04-01 | 2444646 | 1981-02-10 | 50 | SVO |
| 3 | 2444906 | 1981-10-28 | 2444855 | 1981-09-07 | 51 | AAVSO | |
| 4 | 9.9 | 2445120 | 1982-05-30 | 2445064 | 1982-04-04 | 56 | SVO |
| 5 | 9.3 | 2445324 | 1982-12-20 | 2445273 | 1982-10-30 | 51 | AAVSO |
| 6 | 10.0 | 2445540 | 1983-07-24 | 2445482 | 1983-05-27 | 58 | AAVSO |
| 7 | 9.8 | 2445744 | 1984-02-13 | 2445691 | 1983-12-22 | 53 | SVO |
| 8 | 2445960 | 1984-09-16 | 2445900 | 1984-07-18 | 60 | AAVSO | |
| 9 | 9.6 | 2446160 | 1985-04-04 | 2446109 | 1985-02-12 | 51 | SVO |
| 10 | 10.0 | 2446370 | 1985-10-31 | 2446318 | 1985-09-09 | 52 | AAVSO |
| 11 | 9.4 | 2446576 | 1986-05-25 | 2446527 | 1986-04-06 | 49 | SVO |
| 12 | 9.9 | 2446785 | 1986-12-20 | 2446736 | 1986-11-01 | 49 | SVO |
| 13 | 10.1 | 2446995 | 1987-07-18 | 2446945 | 1987-05-29 | 50 | AAVSO |
| 14 | 9.6 | 2447184 | 1988-01-23 | 2447154 | 1987-12-24 | 30 | SVO |
| 15 | 2447394 | 1988-08-20 | 2447363 | 1988-07-20 | 31 | AAVSO | |
| 16 | 10.5 | 2447608 | 1989-03-22 | 2447572 | 1989-02-14 | 36 | SVO |
| 17 | 2447813 | 1989-10-13 | 2447781 | 1989-09-11 | 32 | AAVSO | |
| 18 | 9.7 | 2448016 | 1990-05-04 | 2447990 | 1990-04-08 | 26 | SVO |
| 19 | 2448219 | 1990-11-23 | 2448199 | 1990-11-03 | 20 | AAVSO | |
| 20 | 2448431 | 1991-06-23 | 2448408 | 1991-05-31 | 23 | AAVSO | |
| 21 | 9.9 | 2448638 | 1992-01-16 | 2448617 | 1991-12-26 | 21 | SVO |
| 22 | 2448835 | 1992-07-31 | 2448826 | 1992-07-22 | 9 | AAVSO | |
| 23 | 9.7 | 2449045 | 1993-02-26 | 2449035 | 1993-02-16 | 10 | SVO |
| 24 | 2449258 | 1993-09-27 | 2449244 | 1993-09-13 | 14 | AAVSO | |
| 25 | 10.1 | 2449467 | 1994-04-24 | 2449453 | 1994-04-10 | 14 | SVO |
| 26 | 2449677 | 1994-11-20 | 2449662 | 1994-11-05 | 15 | AAVSO | |
| 27 | 9.7 | 2449872 | 1995-06-03 | 2449871 | 1995-06-02 | 1 | SVO |
| 28 | 9.6 | 2450079 | 1995-12-27 | 2450080 | 1995-12-28 | -1 | SVO |
| 29 | 2450277 | 1996-07-12 | 2450289 | 1996-07-24 | -12 | AAVSO | |
| 30 | 9.9 | 2450488 | 1997-02-08 | 2450498 | 1997-02-18 | -10 | SVO |
| 31 | 2450699 | 1997-09-07 | 2450707 | 1997-09-15 | -8 | AAVSO | |
| 32 | 10.3 | 2450908 | 1998-04-04 | 2450916 | 1998-04-12 | -8 | SVO |
| 33 | 2451121 | 1998-11-03 | 2451125 | 1998-11-07 | -4 | AAVSO | |
| 34 | 9.6 | 2451316 | 1999-05-17 | 2451334 | 1999-06-04 | -18 | SVO |
| 35 | 10.0 | 2451525 | 1999-12-12 | 2451543 | 1999-12-30 | -18 | SVO |
| 36 | 2451732 | 2000-07-06 | 2451752 | 2000-07-26 | -20 | AAVSO | |
| 37 | 9.6 | 2451941 | 2001-01-31 | 2451961 | 2001-02-20 | -20 | SVO |
| 38 | 2452148 | 2001-08-26 | 2452170 | 2001-09-17 | -22 | AAVSO | |
| 39 | 9.7 | 2452357 | 2002-03-23 | 2452379 | 2002-04-14 | -22 | SVO |
| 40 | 2452569 | 2002-10-21 | 2452588 | 2002-11-09 | -19 | AAVSO | |
| 41 | 10.0 | 2452785 | 2003-05-25 | 2452797 | 2003-06-06 | -12 | SVO |
| 42 | 2452992 | 2003-12-18 | 2453006 | 2004-01-01 | -14 | AAVSO | |
| 43 | 2453189 | 2004-07-02 | 2453215 | 2004-07-28 | -26 | AAVSO | |
| 44 | 10.0 | 2453397 | 2005-01-26 | 2453424 | 2005-02-22 | -27 | SVO |
| 45 | 2453602 | 2005-08-19 | 2453633 | 2005-09-19 | -31 | AAVSO | |
| 46 | 10.6 | 2453808 | 2006-03-13 | 2453842 | 2006-04-16 | -34 | SVO |
| 47 | 2454018 | 2006-10-09 | 2454051 | 2006-11-11 | -33 | AAVSO | |
| 48 | 9.6 | 2454214 | 2007-04-23 | 2454260 | 2007-06-08 | -46 | SVO |
| 49 | 2454422 | 2007-11-17 | 2454469 | 2008-01-03 | -47 | AAVSO | |
| 50 | 9.4 | 2454623 | 2008-06-05 | 2454678 | 2008-07-30 | -55 | SVO |
| 51 | 10.1 | 2454834 | 2009-01-02 | 2454887 | 2009-02-24 | -53 | SVO |
| 52 | 9.8 | 2455031 | 2009-07-18 | 2455097 | 2009-09-22 | -66 | AAVSO |
| 53 | 10.4 | 2455261 | 2010-03-05 | 2455306 | 2010-04-19 | -45 | AAVSO |
| 54 | 2455450 | 2010-09-10 | 2455515 | 2010-11-14 | -65 | AAVSO | |
| 55 | 9.9 | 2455659 | 2011-04-07 | 2455724 | 2011-06-11 | -65 | SVO |
| 56 | 2455866 | 2011-10-31 | 2455933 | 2012-01-06 | -67 | AAVSO | |
| 57 | 10.0 | 2456074 | 2012-05-26 | 2456142 | 2012-08-02 | -68 | SVO |
| 58 | 9.6 | 2456279 | 2012-12-17 | 2456351 | 2013-02-27 | -72 | AAVSO |
| 59 | 10.1 | 2456489 | 2013-07-15 | 2456560 | 2013-09-24 | -71 | AAVSO |
| 60 | 9.8 | 2456691 | 2014-02-02 | 2456769 | 2014-04-21 | -78 | SVO |
| 61 | 2456898 | 2014-08-28 | 2456978 | 2014-11-16 | -80 | AAVSO | |
| 62 | 9.8 | 2457106 | 2015-03-24 | 2457187 | 2015-06-13 | -81 | SVO |
| 63 | 9.9 | 2457317 | 2015-10-21 | 2457396 | 2016-01-08 | -79 | AAVSO |
| 64 | 9.6 | 2457521 | 2016-05-12 | 2457605 | 2016-08-04 | -84 | SVO |
| 65 | 9.4 | 2457733 | 2016-12-10 | 2457814 | 2017-03-01 | -81 | SVO |
| 66 | 9.8 | 2457942 | 2017-07-07 | 2458023 | 2017-09-26 | -81 | SVO |
| 67 | 9.5 | 2458145 | 2018-01-26 | 2458232 | 2018-04-23 | -87 | SVO |
| 68 | 2458360 | 2018-08-29 | 2458441 | 2018-11-18 | -81 | SVO | |
| 69 | 9.8 | 2458571 | 2019-03-28 | 2458650 | 2019-06-15 | -79 | SVO |
| 70 | 2458780 | 2019-10-23 | 2458859 | 2020-01-10 | -79 | SVO | |
| 71 | 9.7 | 2458979 | 2020-05-09 | 2459068 | 2020-08-06 | -89 | SVO |
| 72 | 9.2 | 2459183 | 2020-11-29 | 2459277 | 2021-03-03 | -94 | SVO |
| 73 | 10.4 | 2459398 | 2021-07-02 | 2459486 | 2021-09-28 | -88 | SVO |
| 74 | 9.8 | 2459604 | 2022-01-24 | 2459695 | 2022-04-25 | -91 | SVO |
| 75 | 9.7 | 2459807 | 2022-08-15 | 2459904 | 2022-11-20 | -97 | 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. |