Maxima for R Leo
Period: 312.41, Epoch: 2444190.5
AAVSO offset: 2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-260   2362875 1757-03-25 2362965 1757-06-23 -90 AnHar, 1909, vol 55, p 95
-231   2371991 1782-03-10 2372025 1782-04-13 -34 AnHar, 1909, vol 55, p 95
-217   2376396 1794-04-01 2376398 1794-04-03 -2 AnHar, 1909, vol 55, p 95
-210   2378577 1800-03-22 2378585 1800-03-30 -8 AnHar, 1909, vol 55, p 95
-209   2378867 1801-01-06 2378898 1801-02-06 -31 AnHar, 1909, vol 55, p 95
-189   2385115 1818-02-14 2385146 1818-03-17 -31 AnHar, 1909, vol 55, p 95
-176   2389167 1829-03-20 2389207 1829-04-29 -40 AnHar, 1909, vol 55, p 95
-175   2389474 1830-01-21 2389519 1830-03-07 -45 AnHar, 1909, vol 55, p 95
-163   2393249 1840-05-23 2393268 1840-06-11 -19 AnHar, 1909, vol 55, p 95
-155 5.3 2395738 1847-03-17 2395768 1847-04-16 -30 SVO
-154 5.7 2396045 1848-01-18 2396080 1848-02-22 -35 SVO
-153 5.4 2396367 1848-12-05 2396392 1848-12-30 -25 SVO
-152   2396681 1849-10-15 2396705 1849-11-08 -24 AnHar, 1909, vol 55, p 95
-150   2397301 1851-06-27 2397330 1851-07-26 -29 MNRAS, 1915, vol 76, p 158
-149   2397612 1852-05-03 2397642 1852-06-02 -30 AnHar, 1909, vol 55, p 95
-148 5.6 2397923 1853-03-10 2397954 1853-04-10 -31 SVO
-147 5.3 2398236 1854-01-17 2398267 1854-02-17 -31 SVO
-146   2398559 1854-12-06 2398579 1854-12-26 -20 AnHar, 1909, vol 55, p 95
-145   2398870 1855-10-13 2398892 1855-11-04 -22 AnHar, 1909, vol 55, p 95
-144   2399171 1856-08-09 2399204 1856-09-11 -33 MNRAS, 1915, vol 76, p 158
-143 5.4 2399490 1857-06-24 2399516 1857-07-20 -26 SVO
-142   2399802 1858-05-02 2399829 1858-05-29 -27 AnHar, 1909, vol 55, p 95
-141 5.5 2400115 1859-03-11 2400141 1859-04-06 -26 SVO
-140 6.1 2400426 1860-01-16 2400454 1860-02-13 -28 SVO
-139   2400732 1860-11-17 2400766 1860-12-21 -34 AnHar, 1909, vol 55, p 95
-138 5.6 2401040 1861-09-21 2401078 1861-10-29 -38 SVO
-137   2401355 1862-08-02 2401391 1862-09-07 -36 MNRAS, 1915, vol 76, p 158
-136 5.4 2401671 1863-06-14 2401703 1863-07-16 -32 SVO
-135 5.3 2401978 1864-04-16 2402016 1864-05-24 -38 SVO
-134 5.7 2402301 1865-03-05 2402328 1865-04-01 -27 SVO
-133 6.1 2402620 1866-01-18 2402640 1866-02-07 -20 SVO
-132 5.8 2402926 1866-11-20 2402953 1866-12-17 -27 SVO
-131   2403234 1867-09-24 2403265 1867-10-25 -31 AnHar, 1909, vol 55, p 95
-129   2403874 1869-06-25 2403890 1869-07-11 -16 AnHar, 1909, vol 55, p 95
-128 5.8 2404190 1870-05-07 2404203 1870-05-20 -13 SVO
-127 5.7 2404509 1871-03-22 2404515 1871-03-28 -6 SVO
-126 5.9 2404814 1872-01-21 2404827 1872-02-03 -13 SVO
-125 5.9 2405127 1872-11-29 2405140 1872-12-12 -13 SVO
-124 5.6 2405440 1873-10-08 2405452 1873-10-20 -12 SVO
-122 5.6 2406074 1875-07-04 2406077 1875-07-07 -3 SVO
-121   2406390 1876-05-15 2406389 1876-05-14 1 AnHar, 1909, vol 55, p 95
-120 5.2 2406696 1877-03-17 2406702 1877-03-23 -6 SVO
-119 6.1 2407004 1878-01-19 2407014 1878-01-29 -10 SVO
-118 5.8 2407325 1878-12-06 2407327 1878-12-08 -2 SVO
-116   2407955 1880-08-27 2407951 1880-08-23 4 MNRAS, 1915, vol 76, p 158
-114   2408588 1882-05-22 2408576 1882-05-10 12 AnHar, 1909, vol 55, p 95
-113   2408906 1883-04-05 2408889 1883-03-19 17 AnHar, 1909, vol 55, p 95
-112   2409220 1884-02-13 2409201 1884-01-25 19 AnHar, 1909, vol 55, p 95
-111   2409533 1884-12-22 2409513 1884-12-02 20 AnHar, 1909, vol 55, p 95
-110   2409839 1885-10-24 2409826 1885-10-11 13 MNRAS, 1915, vol 76, p 158
-107   2410790 1888-06-01 2410763 1888-05-05 27 AnHar, 1909, vol 55, p 95
-106   2411109 1889-04-16 2411075 1889-03-13 34 AnHar, 1909, vol 55, p 95
-105   2411417 1890-02-18 2411388 1890-01-20 29 AnHar, 1909, vol 55, p 95
-103   2412040 1891-11-03 2412013 1891-10-07 27 GuL, 1918, 1.1
-101 5.7 2412640 1893-06-25 2412637 1893-06-22 3 SVO
-100 6.4 2412956 1894-05-07 2412950 1894-05-01 6 SVO
-99 5.4 2413254 1895-03-01 2413262 1895-03-09 -8 SVO
-98 6.4 2413563 1896-01-04 2413575 1896-01-16 -12 SVO
-97   2413880 1896-11-16 2413887 1896-11-23 -7 AnHar, 1909, vol 55, p 95
-96   2414191 1897-09-23 2414200 1897-10-02 -9 MNRAS, 1915, vol 76, p 158
-94 5.9 2414784 1899-05-09 2414824 1899-06-18 -40 SVO
-93 5.1 2415110 1900-03-31 2415137 1900-04-27 -27 SVO
-92   2415435 1901-02-19 2415449 1901-03-05 -14 AnHar, 1909, vol 55, p 95
-91   2415735 1901-12-16 2415762 1902-01-12 -27 AnHar, 1909, vol 55, p 95
-90   2416050 1902-10-27 2416074 1902-11-20 -24 AnHar, 1909, vol 55, p 95
-88   2416667 1904-07-05 2416699 1904-08-06 -32 AnHar, 1909, vol 55, p 95
-87 6.0 2416980 1905-05-14 2417011 1905-06-14 -31 SVO
-86 5.6 2417300 1906-03-30 2417324 1906-04-23 -24 SVO
-85 5.3 2417608 1907-02-01 2417636 1907-03-01 -28 SVO
-84 5.8 2417934 1907-12-24 2417948 1908-01-07 -14 SVO
-83 6.0 2418257 1908-11-11 2418261 1908-11-15 -4 SVO
-82 5.9 2418577 1909-09-27 2418573 1909-09-23 4 SVO
-81 6.6 2418882 1910-07-29 2418886 1910-08-02 -4 SVO
-80 6.0 2419211 1911-06-23 2419198 1911-06-10 13 SVO
-79 5.3 2419527 1912-05-04 2419510 1912-04-17 17 SVO
-78 6.5 2419848 1913-03-21 2419823 1913-02-24 25 SVO
-77 6.0 2420174 1914-02-10 2420135 1914-01-02 39 SVO
-76 5.9 2420495 1914-12-28 2420448 1914-11-11 47 SVO
-75 5.2 2420799 1915-10-28 2420760 1915-09-19 39 SVO
-74 5.6 2421120 1916-09-13 2421072 1916-07-27 48 SVO
-73 5.5 2421429 1917-07-19 2421385 1917-06-05 44 SVO
-72 5.6 2421748 1918-06-03 2421697 1918-04-13 51 SVO
-71 6.7 2422068 1919-04-19 2422010 1919-02-20 58 SVO
-70 6.1 2422397 1920-03-13 2422322 1919-12-29 75 SVO
-69 5.8 2422700 1921-01-10 2422634 1920-11-05 66 SVO
-68 5.7 2423016 1921-11-22 2422947 1921-09-14 69 SVO
-67 5.7 2423330 1922-10-02 2423259 1922-07-23 71 SVO
-66 5.4 2423633 1923-08-01 2423572 1923-06-01 61 SVO
-65 6.4 2423949 1924-06-12 2423884 1924-04-08 65 SVO
-64 6.1 2424267 1925-04-26 2424197 1925-02-15 70 SVO
-63 5.5 2424572 1926-02-25 2424509 1925-12-24 63 SVO
-62 5.5 2424883 1927-01-02 2424821 1926-11-01 62 SVO
-61 5.7 2425190 1927-11-05 2425134 1927-09-10 56 SVO
-60 6.0 2425507 1928-09-17 2425446 1928-07-18 61 SVO
-59 5.5 2425826 1929-08-02 2425759 1929-05-27 67 SVO
-58 5.7 2426145 1930-06-17 2426071 1930-04-04 74 SVO
-57 5.7 2426457 1931-04-25 2426383 1931-02-10 74 SVO
-56 5.9 2426773 1932-03-06 2426696 1931-12-20 77 SVO
-55 6.0 2427079 1933-01-06 2427008 1932-10-27 71 SVO
-54 5.5 2427382 1933-11-05 2427321 1933-09-05 61 SVO
-53 5.6 2427692 1934-09-11 2427633 1934-07-14 59 SVO
-52 5.6 2427998 1935-07-14 2427945 1935-05-22 53 SVO
-51 5.9 2428316 1936-05-27 2428258 1936-03-30 58 SVO
-50 5.8 2428617 1937-03-24 2428570 1937-02-05 47 SVO
-49 5.7 2428922 1938-01-23 2428883 1937-12-15 39 SVO
-48 5.5 2429225 1938-11-22 2429195 1938-10-23 30 SVO
-47 5.8 2429535 1939-09-28 2429507 1939-08-31 28 SVO
-46 6.0 2429851 1940-08-09 2429820 1940-07-09 31 SVO
-45 5.8 2430160 1941-06-14 2430132 1941-05-17 28 SVO
-44 6.7 2430478 1942-04-28 2430445 1942-03-26 33 SVO
-43 5.9 2430796 1943-03-12 2430757 1943-02-01 39 SVO
-42 6.0 2431096 1944-01-06 2431069 1943-12-10 27 SVO
-41 5.7 2431403 1944-11-08 2431382 1944-10-18 21 AAVSO
-40   2431721 1945-09-22 2431694 1945-08-26 27 AAVSO
-39 5.9 2432034 1946-08-01 2432007 1946-07-05 27 SVO
-38 5.6 2432343 1947-06-06 2432319 1947-05-13 24 SVO
-37 5.5 2432652 1948-04-10 2432631 1948-03-20 21 SVO
-36 6.0 2432968 1949-02-20 2432944 1949-01-27 24 SVO
-35 5.4 2433273 1949-12-22 2433256 1949-12-05 17 SVO
-34 5.8 2433589 1950-11-03 2433569 1950-10-14 20 SVO
-33 5.7 2433906 1951-09-16 2433881 1951-08-22 25 SVO
-32 5.9 2434218 1952-07-24 2434194 1952-06-30 24 SVO
-31 5.8 2434536 1953-06-07 2434506 1953-05-08 30 SVO
-30 6.3 2434848 1954-04-15 2434818 1954-03-16 30 SVO
-29 5.7 2435160 1955-02-21 2435131 1955-01-23 29 SVO
-28 5.7 2435472 1955-12-30 2435443 1955-12-01 29 SVO
-27 6.0 2435786 1956-11-08 2435756 1956-10-09 30 SVO
-26 5.4 2436090 1957-09-08 2436068 1957-08-17 22 SVO
-25 6.1 2436391 1958-07-06 2436380 1958-06-25 11 SVO
-24 5.7 2436715 1959-05-26 2436693 1959-05-04 22 SVO
-23 5.4 2437032 1960-04-07 2437005 1960-03-11 27 SVO
-22 5.6 2437336 1961-02-05 2437318 1961-01-18 18 SVO
-21 5.6 2437648 1961-12-14 2437630 1961-11-26 18 SVO
-20 5.7 2437962 1962-10-24 2437942 1962-10-04 20 SVO
-19 5.7 2438276 1963-09-03 2438255 1963-08-13 21 SVO
-18 6.0 2438583 1964-07-06 2438567 1964-06-20 16 SVO
-17 5.3 2438890 1965-05-09 2438880 1965-04-29 10 SVO
-16 6.2 2439196 1966-03-11 2439192 1966-03-07 4 SVO
-15 5.5 2439504 1967-01-13 2439504 1967-01-13 0 SVO
-14 5.7 2439821 1967-11-26 2439817 1967-11-22 4 SVO
-13 5.6 2440134 1968-10-04 2440129 1968-09-29 5 SVO
-12 5.5 2440439 1969-08-05 2440442 1969-08-08 -3 SVO
-11 5.3 2440737 1970-05-30 2440754 1970-06-16 -17 SVO
-10 6.5 2441057 1971-04-15 2441066 1971-04-24 -9 SVO
-9 5.8 2441368 1972-02-20 2441379 1972-03-02 -11 SVO
-8 6.4 2441684 1973-01-01 2441691 1973-01-08 -7 SVO
-7 5.6 2441992 1973-11-05 2442004 1973-11-17 -12 SVO
-6 5.7 2442296 1974-09-05 2442316 1974-09-25 -20 SVO
-5 5.7 2442607 1975-07-13 2442628 1975-08-03 -21 SVO
-4 5.8 2442919 1976-05-20 2442941 1976-06-11 -22 SVO
-3 5.5 2443235 1977-04-01 2443253 1977-04-19 -18 SVO
-2 6.3 2443544 1978-02-04 2443566 1978-02-26 -22 SVO
-1 5.4 2443844 1978-12-01 2443878 1979-01-04 -34 SVO
0 5.7 2444160 1979-10-13 2444191 1979-11-13 -31 SVO
1 5.7 2444478 1980-08-26 2444503 1980-09-20 -25 SVO
2 5.4 2444800 1981-07-14 2444815 1981-07-29 -15 SVO
3 5.3 2445106 1982-05-16 2445128 1982-06-07 -22 SVO
4 5.7 2445429 1983-04-04 2445440 1983-04-15 -11 SVO
5 6.3 2445748 1984-02-17 2445753 1984-02-22 -5 SVO
6 6.0 2446067 1985-01-01 2446065 1984-12-30 2 SVO
7 5.5 2446371 1985-11-01 2446377 1985-11-07 -6 SVO
8 5.9 2446687 1986-09-13 2446690 1986-09-16 -3 SVO
9 5.7 2447004 1987-07-27 2447002 1987-07-25 2 SVO
10 5.6 2447310 1988-05-28 2447315 1988-06-02 -5 SVO
11 5.5 2447623 1989-04-06 2447627 1989-04-10 -4 SVO
12 6.2 2447946 1990-02-23 2447939 1990-02-16 7 SVO
13 6.1 2448258 1991-01-01 2448252 1990-12-26 6 SVO
14 5.5 2448554 1991-10-24 2448564 1991-11-03 -10 SVO
15 5.3 2448861 1992-08-26 2448877 1992-09-11 -16 SVO
16 6.4 2449186 1993-07-17 2449189 1993-07-20 -3 SVO
17 5.7 2449497 1994-05-24 2449501 1994-05-28 -4 SVO
18 6.5 2449810 1995-04-02 2449814 1995-04-06 -4 SVO
19 5.8 2450122 1996-02-08 2450126 1996-02-12 -4 SVO
20 6.3 2450439 1996-12-21 2450439 1996-12-21 0 SVO
21   2450750 1997-10-28 2450751 1997-10-29 -1 AAVSO
22 5.4 2451049 1998-08-23 2451063 1998-09-06 -14 SVO
23 5.4 2451361 1999-07-01 2451376 1999-07-16 -15 SVO
24 5.8 2451668 2000-05-03 2451688 2000-05-23 -20 SVO
25 5.5 2451983 2001-03-14 2452001 2001-04-01 -18 SVO
26 5.9 2452291 2002-01-16 2452313 2002-02-07 -22 SVO
27 5.7 2452605 2002-11-26 2452625 2002-12-16 -20 SVO
28 6.0 2452907 2003-09-24 2452938 2003-10-25 -31 SVO
29 6.0 2453224 2004-08-06 2453250 2004-09-01 -26 SVO
30 5.5 2453543 2005-06-21 2453563 2005-07-11 -20 SVO
31 5.7 2453849 2006-04-23 2453875 2006-05-19 -26 SVO
32 6.0 2454163 2007-03-03 2454188 2007-03-28 -25 SVO
33 5.6 2454465 2007-12-30 2454500 2008-02-03 -35 SVO
34 5.8 2454779 2008-11-08 2454812 2008-12-11 -33 SVO
35 5.6 2455089 2009-09-14 2455125 2009-10-20 -36 SVO
36 6.4 2455405 2010-07-27 2455437 2010-08-28 -32 SVO
37 5.3 2455710 2011-05-28 2455750 2011-07-07 -40 SVO
38 6.1 2456022 2012-04-04 2456062 2012-05-14 -40 SVO
39 6.0 2456336 2013-02-12 2456374 2013-03-22 -38 SVO
40 5.9 2456640 2013-12-13 2456687 2014-01-29 -47 SVO
41 5.8 2456953 2014-10-22 2456999 2014-12-07 -46 SVO
42 5.5 2457259 2015-08-24 2457312 2015-10-16 -53 SVO
43 6.2 2457579 2016-07-09 2457624 2016-08-23 -45 SVO
44 6.3 2457899 2017-05-25 2457936 2017-07-01 -37 SVO
45 5.7 2458218 2018-04-09 2458249 2018-05-10 -31 SVO
46 5.7 2458522 2019-02-07 2458561 2019-03-18 -39 SVO
47 5.8 2458834 2019-12-16 2458874 2020-01-25 -40 SVO
48 5.7 2459151 2020-10-28 2459186 2020-12-02 -35 SVO
49 6.2 2459458 2021-08-31 2459498 2021-10-10 -40 SVO
50 5.6 2459766 2022-07-05 2459811 2022-08-19 -45 SVO
51 6.6 2460079 2023-05-14 2460123 2023-06-27 -44 SVO
52 6.0 2460390 2024-03-20 2460436 2024-05-05 -46 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.