Maxima for R CVn
Period: 328.60, Epoch: 2443574.7
AAVSO offset: 1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-100   2410742 1888-04-14 2410715 1888-03-18 27 GuL, 1918, 1.1
-97   2411735 1891-01-02 2411701 1890-11-29 34 AnHar, 1909, vol 55, p 95
-96   2412073 1891-12-06 2412030 1891-10-24 43 AnHar, 1909, vol 55, p 95
-95   2412401 1892-10-29 2412358 1892-09-16 43 GuL, 1918, 1.1
-94   2412742 1893-10-05 2412687 1893-08-11 55 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-93   2413067 1894-08-26 2413015 1894-07-05 52 AnHar, 1909, vol 55, p 95
-92   2413400 1895-07-25 2413344 1895-05-30 56 AnHar, 1909, vol 55, p 95
-91   2413768 1896-07-27 2413672 1896-04-22 96 AnHar, 1909, vol 55, p 95
-90   2414065 1897-05-20 2414001 1897-03-17 64 AnHar, 1909, vol 55, p 95
-89   2414397 1898-04-17 2414330 1898-02-09 67 AnHar, 1909, vol 55, p 95
-88   2414720 1899-03-06 2414658 1899-01-03 62 SVO
-87   2415030 1900-01-10 2414987 1899-11-28 43 AnHar, 1952, vol 118
-86   2415375 1900-12-21 2415315 1900-10-22 60 AnHar, 1952, vol 118
-85   2415698 1901-11-09 2415644 1901-09-16 54 AnHar, 1909, vol 55, p 95
-84   2416011 1902-09-18 2415973 1902-08-11 38 AnHar, 1909, vol 55, p 95
-83   2416348 1903-08-21 2416301 1903-07-05 47 AnHar, 1909, vol 55, p 95
-82   2416672 1904-07-10 2416630 1904-05-29 42 AnHar, 1909, vol 55, p 95
-81   2416973 1905-05-07 2416958 1905-04-22 15 AAVSO
-80 7.0 2417287 1906-03-17 2417287 1906-03-17 0 AAVSO
-79   2417622 1907-02-15 2417616 1907-02-09 6 AAVSO
-78   2417934 1907-12-24 2417944 1908-01-03 -10 AAVSO
-77 8.2 2418269 1908-11-23 2418273 1908-11-27 -4 AAVSO
-76 8.1 2418609 1909-10-29 2418601 1909-10-21 8 AAVSO
-75 8.2 2418925 1910-09-10 2418930 1910-09-15 -5 AAVSO
-74 7.3 2419263 1911-08-14 2419259 1911-08-10 4 AAVSO
-73 7.4 2419587 1912-07-03 2419587 1912-07-03 0 AAVSO
-72 7.6 2419909 1913-05-21 2419916 1913-05-28 -7 AAVSO
-71 7.0 2420233 1914-04-10 2420244 1914-04-21 -11 AAVSO
-70 7.6 2420559 1915-03-02 2420573 1915-03-16 -14 SVO
-69 7.4 2420885 1916-01-22 2420902 1916-02-08 -17 SVO
-68 7.4 2421197 1916-11-29 2421230 1917-01-01 -33 SVO
-67 7.4 2421531 1917-10-29 2421559 1917-11-26 -28 SVO
-66 7.6 2421856 1918-09-19 2421887 1918-10-20 -31 SVO
-65 7.6 2422182 1919-08-11 2422216 1919-09-14 -34 SVO
-64 7.7 2422504 1920-06-28 2422545 1920-08-08 -41 SVO
-63 7.5 2422830 1921-05-20 2422873 1921-07-02 -43 SVO
-62 7.7 2423159 1922-04-14 2423202 1922-05-27 -43 SVO
-61 7.9 2423496 1923-03-17 2423530 1923-04-20 -34 SVO
-60 7.5 2423825 1924-02-09 2423859 1924-03-14 -34 SVO
-59 7.2 2424146 1924-12-26 2424188 1925-02-06 -42 SVO
-58 7.7 2424456 1925-11-01 2424516 1925-12-31 -60 SVO
-57 7.3 2424783 1926-09-24 2424845 1926-11-25 -62 SVO
-56 7.3 2425095 1927-08-02 2425173 1927-10-19 -78 SVO
-55 7.5 2425428 1928-06-30 2425502 1928-09-12 -74 SVO
-54 7.6 2425758 1929-05-26 2425831 1929-08-07 -73 SVO
-53 7.8 2426101 1930-05-04 2426159 1930-07-01 -58 SVO
-52 7.8 2426425 1931-03-24 2426488 1931-05-26 -63 SVO
-51 7.7 2426750 1932-02-12 2426816 1932-04-18 -66 SVO
-50 7.7 2427080 1933-01-07 2427145 1933-03-13 -65 SVO
-49 7.5 2427403 1933-11-26 2427473 1934-02-04 -70 SVO
-48 7.8 2427739 1934-10-28 2427802 1934-12-30 -63 SVO
-47 7.7 2428069 1935-09-23 2428131 1935-11-24 -62 SVO
-46 7.5 2428400 1936-08-19 2428459 1936-10-17 -59 SVO
-45 7.5 2428728 1937-07-13 2428788 1937-09-11 -60 SVO
-44 7.6 2429065 1938-06-15 2429116 1938-08-05 -51 SVO
-43 8.0 2429414 1939-05-30 2429445 1939-06-30 -31 SVO
-42 7.8 2429742 1940-04-22 2429774 1940-05-24 -32 SVO
-41 7.4 2430074 1941-03-20 2430102 1941-04-17 -28 SVO
-40 8.0 2430421 1942-03-02 2430431 1942-03-12 -10 SVO
-39 7.6 2430754 1943-01-29 2430759 1943-02-03 -5 SVO
-38 7.7 2431097 1944-01-07 2431088 1943-12-29 9 SVO
-37 7.4 2431423 1944-11-28 2431417 1944-11-22 6 SVO
-36 7.2 2431753 1945-10-24 2431745 1945-10-16 8 SVO
-35 7.8 2432083 1946-09-19 2432074 1946-09-10 9 SVO
-34 7.5 2432416 1947-08-18 2432402 1947-08-04 14 SVO
-33 7.9 2432743 1948-07-10 2432731 1948-06-28 12 SVO
-32 7.5 2433074 1949-06-06 2433060 1949-05-23 14 SVO
-31 8.0 2433418 1950-05-16 2433388 1950-04-16 30 SVO
-30 7.7 2433750 1951-04-13 2433717 1951-03-11 33 SVO
-29 7.8 2434069 1952-02-26 2434045 1952-02-02 24 SVO
-28 8.2 2434399 1953-01-21 2434374 1952-12-27 25 AAVSO
-27 7.5 2434714 1953-12-02 2434703 1953-11-21 11 SVO
-26 7.6 2435034 1954-10-18 2435031 1954-10-15 3 SVO
-25 7.9 2435380 1955-09-29 2435360 1955-09-09 20 AAVSO
-24 7.7 2435702 1956-08-16 2435688 1956-08-02 14 SVO
-23 7.7 2436028 1957-07-08 2436017 1957-06-27 11 SVO
-22 7.6 2436354 1958-05-30 2436346 1958-05-22 8 SVO
-21 7.2 2436674 1959-04-15 2436674 1959-04-15 0 SVO
-20 8.0 2437013 1960-03-19 2437003 1960-03-09 10 SVO
-19 7.8 2437337 1961-02-06 2437331 1961-01-31 6 SVO
-18 7.6 2437653 1961-12-19 2437660 1961-12-26 -7 SVO
-17 8.2 2437988 1962-11-19 2437989 1962-11-20 -1 SVO
-16 7.6 2438325 1963-10-22 2438317 1963-10-14 8 SVO
-15 7.8 2438652 1964-09-13 2438646 1964-09-07 6 SVO
-14 8.1 2438995 1965-08-22 2438974 1965-08-01 21 SVO
-13 7.5 2439316 1966-07-09 2439303 1966-06-26 13 SVO
-12 7.6 2439647 1967-06-05 2439632 1967-05-21 15 SVO
-11 7.4 2439968 1968-04-21 2439960 1968-04-13 8 SVO
-10 7.3 2440294 1969-03-13 2440289 1969-03-08 5 SVO
-9 7.6 2440625 1970-02-07 2440617 1970-01-30 8 SVO
-8 7.9 2440954 1971-01-02 2440946 1970-12-25 8 SVO
-7 7.4 2441282 1971-11-26 2441274 1971-11-18 8 SVO
-6 8.1 2441624 1972-11-02 2441603 1972-10-12 21 SVO
-5 7.6 2441950 1973-09-24 2441932 1973-09-06 18 SVO
-4 7.3 2442273 1974-08-13 2442260 1974-07-31 13 SVO
-3 7.7 2442605 1975-07-11 2442589 1975-06-25 16 SVO
-2 7.6 2442934 1976-06-04 2442917 1976-05-18 17 SVO
-1 7.5 2443258 1977-04-24 2443246 1977-04-12 12 SVO
0 7.2 2443585 1978-03-17 2443575 1978-03-07 10 SVO
1 7.9 2443914 1979-02-09 2443903 1979-01-29 11 SVO
2 7.5 2444241 1980-01-02 2444232 1979-12-24 9 SVO
3 7.7 2444578 1980-12-04 2444560 1980-11-16 18 SVO
4 7.5 2444898 1981-10-20 2444889 1981-10-11 9 SVO
5 7.3 2445223 1982-09-10 2445218 1982-09-05 5 SVO
6 8.2 2445554 1983-08-07 2445546 1983-07-30 8 SVO
7 7.5 2445874 1984-06-22 2445875 1984-06-23 -1 SVO
8 7.5 2446196 1985-05-10 2446203 1985-05-17 -7 SVO
9 7.6 2446528 1986-04-07 2446532 1986-04-11 -4 SVO
10 7.6 2446850 1987-02-23 2446861 1987-03-06 -11 SVO
11 7.5 2447168 1988-01-07 2447189 1988-01-28 -21 SVO
12 7.5 2447484 1988-11-18 2447518 1988-12-22 -34 SVO
13 7.8 2447818 1989-10-18 2447846 1989-11-15 -28 SVO
14 7.5 2448144 1990-09-09 2448175 1990-10-10 -31 SVO
15 7.4 2448478 1991-08-09 2448504 1991-09-04 -26 SVO
16 7.9 2448816 1992-07-12 2448832 1992-07-28 -16 SVO
17 7.3 2449147 1993-06-08 2449161 1993-06-22 -14 SVO
18 8.2 2449478 1994-05-05 2449489 1994-05-16 -11 SVO
19 7.6 2449814 1995-04-06 2449818 1995-04-10 -4 SVO
20 8.0 2450136 1996-02-22 2450147 1996-03-04 -11 SVO
21 7.3 2450461 1997-01-12 2450475 1997-01-26 -14 SVO
22 7.8 2450792 1997-12-09 2450804 1997-12-21 -12 SVO
23 7.6 2451121 1998-11-03 2451132 1998-11-14 -11 SVO
24 7.6 2451444 1999-09-22 2451461 1999-10-09 -17 SVO
25 7.7 2451781 2000-08-24 2451790 2000-09-02 -9 SVO
26 7.5 2452110 2001-07-19 2452118 2001-07-27 -8 SVO
27 7.6 2452446 2002-06-20 2452447 2002-06-21 -1 SVO
28 7.3 2452771 2003-05-11 2452775 2003-05-15 -4 SVO
29 7.9 2453109 2004-04-13 2453104 2004-04-08 5 SVO
30 7.8 2453446 2005-03-16 2453433 2005-03-03 13 SVO
31 7.7 2453771 2006-02-04 2453761 2006-01-25 10 SVO
32 7.2 2454103 2007-01-02 2454090 2006-12-20 13 SVO
33 7.9 2454432 2007-11-27 2454418 2007-11-13 14 SVO
34 7.4 2454765 2008-10-25 2454747 2008-10-07 18 SVO
35 7.7 2455093 2009-09-18 2455075 2009-08-31 18 SVO
36 7.4 2455427 2010-08-18 2455404 2010-07-26 23 SVO
37 7.7 2455755 2011-07-12 2455733 2011-06-20 22 SVO
38 7.1 2456076 2012-05-28 2456061 2012-05-13 15 SVO
39 8.0 2456411 2013-04-28 2456390 2013-04-07 21 SVO
40 7.7 2456742 2014-03-25 2456718 2014-03-01 24 SVO
41 7.6 2457066 2015-02-12 2457047 2015-01-24 19 SVO
42 7.5 2457401 2016-01-13 2457376 2015-12-19 25 SVO
43 7.8 2457729 2016-12-06 2457704 2016-11-11 25 SVO
44 7.5 2458055 2017-10-28 2458033 2017-10-06 22 SVO
45 7.9 2458379 2018-09-17 2458361 2018-08-30 18 SVO
46 7.6 2458708 2019-08-12 2458690 2019-07-25 18 SVO
47 7.3 2459027 2020-06-26 2459019 2020-06-18 8 SVO
48 7.2 2459354 2021-05-19 2459347 2021-05-12 7 SVO
49 7.8 2459693 2022-04-23 2459676 2022-04-06 17 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.