Maxima for R UMa
Period: 301.38, Epoch: 2445579.9
AAVSO offset: -4

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-170   2394336 1843-05-15 2394345 1843-05-24 -9 AnHar, 1909, vol 55, p 95
-158   2397940 1853-03-27 2397961 1853-04-17 -21 SVO
-157 7.4 2398243 1854-01-24 2398263 1854-02-13 -20 SVO
-156 7.0 2398540 1854-11-17 2398564 1854-12-11 -24 SVO
-155 7.3 2398844 1855-09-17 2398865 1855-10-08 -21 SVO
-154 7.2 2399143 1856-07-12 2399167 1856-08-05 -24 SVO
-153 7.0 2399447 1857-05-12 2399468 1857-06-02 -21 SVO
-152 7.8 2399749 1858-03-10 2399770 1858-03-31 -21 SVO
-151 7.5 2400041 1858-12-27 2400071 1859-01-26 -30 SVO
-150 7.7 2400342 1859-10-24 2400372 1859-11-23 -30 SVO
-149 7.5 2400645 1860-08-22 2400674 1860-09-20 -29 SVO
-148 6.6 2400943 1861-06-16 2400975 1861-07-18 -32 SVO
-147 7.7 2401251 1862-04-20 2401276 1862-05-15 -25 SVO
-146   2401570 1863-03-05 2401578 1863-03-13 -8 AnHar, 1909, vol 55, p 95
-145   2401873 1864-01-02 2401879 1864-01-08 -6 GuL, 1918, 1.1
-143 6.7 2402475 1865-08-26 2402482 1865-09-02 -7 SVO
-142 8.0 2402787 1866-07-04 2402783 1866-06-30 4 SVO
-141 7.4 2403085 1867-04-28 2403085 1867-04-28 0 SVO
-140 7.8 2403394 1868-03-02 2403386 1868-02-23 8 SVO
-139 7.7 2403703 1869-01-05 2403688 1868-12-21 15 SVO
-138 7.0 2404002 1869-10-31 2403989 1869-10-18 13 SVO
-137 6.9 2404307 1870-09-01 2404290 1870-08-15 17 SVO
-136 7.9 2404616 1871-07-07 2404592 1871-06-13 24 SVO
-135 7.3 2404920 1872-05-06 2404893 1872-04-09 27 SVO
-134 6.9 2405216 1873-02-26 2405194 1873-02-04 22 SVO
-133 7.4 2405514 1873-12-21 2405496 1873-12-03 18 SVO
-132 6.8 2405820 1874-10-23 2405797 1874-09-30 23 SVO
-131   2406127 1875-08-26 2406099 1875-07-29 28 AnHar, 1909, vol 55, p 95
-130   2406422 1876-06-16 2406400 1876-05-25 22 AnHar, 1909, vol 55, p 95
-129   2406733 1877-04-23 2406701 1877-03-22 32 AnHar, 1909, vol 55, p 95
-128 7.1 2407016 1878-01-31 2407003 1878-01-18 13 SVO
-127   2407304 1878-11-15 2407304 1878-11-15 0 GuL, 1918, 1.1
-126   2407624 1879-10-01 2407606 1879-09-13 18 AnHar, 1909, vol 55, p 95
-125   2407910 1880-07-13 2407907 1880-07-10 3 GuL, 1918, 1.1
-124   2408223 1881-05-22 2408208 1881-05-07 15 AnHar, 1909, vol 55, p 95
-123   2408531 1882-03-26 2408510 1882-03-05 21 AnHar, 1909, vol 55, p 95
-122   2408811 1882-12-31 2408811 1882-12-31 0 AnHar, 1909, vol 55, p 95
-121   2409136 1883-11-21 2409112 1883-10-28 24 AnHar, 1909, vol 55, p 95
-120 6.9 2409424 1884-09-04 2409414 1884-08-25 10 SVO
-119 7.4 2409724 1885-07-01 2409715 1885-06-22 9 SVO
-118   2410027 1886-04-30 2410017 1886-04-20 10 AnHar, 1909, vol 55, p 95
-117 8.3 2410334 1887-03-03 2410318 1887-02-15 16 SVO
-116 7.6 2410636 1887-12-30 2410619 1887-12-13 17 SVO
-115   2410933 1888-10-22 2410921 1888-10-10 12 AnHar, 1909, vol 55, p 95
-114 7.0 2411232 1889-08-17 2411222 1889-08-07 10 SVO
-113 7.4 2411544 1890-06-25 2411524 1890-06-05 20 SVO
-112 7.9 2411852 1891-04-29 2411825 1891-04-02 27 SVO
-111 7.2 2412150 1892-02-21 2412126 1892-01-28 24 SVO
-110 7.6 2412443 1892-12-10 2412428 1892-11-25 15 SVO
-109 7.3 2412740 1893-10-03 2412729 1893-09-22 11 SVO
-108 7.2 2413047 1894-08-06 2413030 1894-07-20 17 SVO
-107 6.8 2413341 1895-05-27 2413332 1895-05-18 9 SVO
-106 7.1 2413632 1896-03-13 2413633 1896-03-14 -1 SVO
-105   2413945 1897-01-20 2413935 1897-01-10 10 AnHar, 1909, vol 55, p 95
-104   2414246 1897-11-17 2414236 1897-11-07 10 AnHar, 1909, vol 55, p 95
-103   2414548 1898-09-15 2414537 1898-09-04 11 AnHar, 1909, vol 55, p 95
-102   2414870 1899-08-03 2414839 1899-07-03 31 AnHar, 1909, vol 55, p 95
-101 7.2 2415151 1900-05-11 2415140 1900-04-30 11 SVO
-100 7.7 2415456 1901-03-12 2415442 1901-02-26 14 SVO
-99 7.9 2415758 1902-01-08 2415743 1901-12-24 15 SVO
-98 7.5 2416058 1902-11-04 2416044 1902-10-21 14 SVO
-97 8.0 2416366 1903-09-08 2416346 1903-08-19 20 SVO
-96 7.6 2416660 1904-06-28 2416647 1904-06-15 13 SVO
-95 7.2 2416960 1905-04-24 2416948 1905-04-12 12 SVO
-94 7.8 2417268 1906-02-26 2417250 1906-02-08 18 SVO
-93 7.4 2417567 1906-12-22 2417551 1906-12-06 16 SVO
-92 7.9 2417873 1907-10-24 2417853 1907-10-04 20 SVO
-91 7.9 2418175 1908-08-21 2418154 1908-07-31 21 SVO
-90 6.9 2418464 1909-06-06 2418455 1909-05-28 9 SVO
-89 7.8 2418761 1910-03-30 2418757 1910-03-26 4 SVO
-88 7.9 2419068 1911-01-31 2419058 1911-01-21 10 SVO
-87 7.3 2419359 1911-11-18 2419360 1911-11-19 -1 SVO
-86 8.0 2419662 1912-09-16 2419661 1912-09-15 1 SVO
-85 7.5 2419962 1913-07-13 2419962 1913-07-13 0 SVO
-84 7.8 2420261 1914-05-08 2420264 1914-05-11 -3 SVO
-83 7.0 2420551 1915-02-22 2420565 1915-03-08 -14 SVO
-82 7.3 2420846 1915-12-14 2420866 1916-01-03 -20 SVO
-81 7.4 2421150 1916-10-13 2421168 1916-10-31 -18 SVO
-80 7.5 2421451 1917-08-10 2421469 1917-08-28 -18 SVO
-79 7.3 2421749 1918-06-04 2421771 1918-06-26 -22 SVO
-78 7.7 2422050 1919-04-01 2422072 1919-04-23 -22 SVO
-77 7.2 2422356 1920-02-01 2422373 1920-02-18 -17 SVO
-76 7.9 2422657 1920-11-28 2422675 1920-12-16 -18 SVO
-75 7.3 2422950 1921-09-17 2422976 1921-10-13 -26 SVO
-74 7.8 2423260 1922-07-24 2423278 1922-08-11 -18 SVO
-73 7.7 2423563 1923-05-23 2423579 1923-06-08 -16 SVO
-72 7.4 2423865 1924-03-20 2423880 1924-04-04 -15 SVO
-71 7.2 2424157 1925-01-06 2424182 1925-01-31 -25 SVO
-70 7.8 2424455 1925-10-31 2424483 1925-11-28 -28 SVO
-69 7.6 2424763 1926-09-04 2424784 1926-09-25 -21 SVO
-68 7.0 2425056 1927-06-24 2425086 1927-07-24 -30 SVO
-67 7.8 2425351 1928-04-14 2425387 1928-05-20 -36 SVO
-66 7.8 2425660 1929-02-17 2425689 1929-03-18 -29 SVO
-65 8.2 2425959 1929-12-13 2425990 1930-01-13 -31 SVO
-64 7.1 2426254 1930-10-04 2426291 1930-11-10 -37 SVO
-63 7.6 2426556 1931-08-02 2426593 1931-09-08 -37 SVO
-62 7.4 2426853 1932-05-25 2426894 1932-07-05 -41 SVO
-61 7.1 2427145 1933-03-13 2427195 1933-05-02 -50 SVO
-60 7.1 2427452 1934-01-14 2427497 1934-02-28 -45 SVO
-59 7.8 2427752 1934-11-10 2427798 1934-12-26 -46 SVO
-58 7.2 2428057 1935-09-11 2428100 1935-10-24 -43 SVO
-57 7.2 2428364 1936-07-14 2428401 1936-08-20 -37 SVO
-56 7.5 2428668 1937-05-14 2428702 1937-06-17 -34 SVO
-55 7.4 2428976 1938-03-18 2429004 1938-04-15 -28 SVO
-54 7.6 2429275 1939-01-11 2429305 1939-02-10 -30 SVO
-53 8.3 2429584 1939-11-16 2429607 1939-12-09 -23 SVO
-52 7.6 2429880 1940-09-07 2429908 1940-10-05 -28 SVO
-51 7.8 2430178 1941-07-02 2430209 1941-08-02 -31 SVO
-50 7.3 2430485 1942-05-05 2430511 1942-05-31 -26 SVO
-49 7.3 2430791 1943-03-07 2430812 1943-03-28 -21 SVO
-48 7.8 2431096 1944-01-06 2431113 1944-01-23 -17 SVO
-47 7.2 2431402 1944-11-07 2431415 1944-11-20 -13 SVO
-46 7.3 2431701 1945-09-02 2431716 1945-09-17 -15 SVO
-45 7.3 2432009 1946-07-07 2432018 1946-07-16 -9 SVO
-44 7.9 2432320 1947-05-14 2432319 1947-05-13 1 SVO
-43 7.2 2432619 1948-03-08 2432620 1948-03-09 -1 SVO
-42 7.6 2432925 1949-01-08 2432922 1949-01-05 3 SVO
-41 7.4 2433226 1949-11-05 2433223 1949-11-02 3 SVO
-40 7.2 2433524 1950-08-30 2433525 1950-08-31 -1 SVO
-39 7.8 2433831 1951-07-03 2433826 1951-06-28 5 SVO
-38 7.4 2434132 1952-04-29 2434127 1952-04-24 5 SVO
-37 7.3 2434431 1953-02-22 2434429 1953-02-20 2 SVO
-36 8.0 2434739 1953-12-27 2434730 1953-12-18 9 SVO
-35 7.3 2435041 1954-10-25 2435031 1954-10-15 10 SVO
-34 7.6 2435351 1955-08-31 2435333 1955-08-13 18 SVO
-33 7.2 2435643 1956-06-18 2435634 1956-06-09 9 SVO
-32 8.4 2435949 1957-04-20 2435936 1957-04-07 13 SVO
-31 7.6 2436252 1958-02-17 2436237 1958-02-02 15 SVO
-30 7.8 2436555 1958-12-17 2436538 1958-11-30 17 SVO
-29 7.3 2436860 1959-10-18 2436840 1959-09-28 20 SVO
-28 7.3 2437161 1960-08-14 2437141 1960-07-25 20 SVO
-27 6.8 2437457 1961-06-06 2437443 1961-05-23 14 SVO
-26 8.0 2437774 1962-04-19 2437744 1962-03-20 30 SVO
-25 7.6 2438076 1963-02-15 2438045 1963-01-15 31 SVO
-24 7.6 2438374 1963-12-10 2438347 1963-11-13 27 SVO
-23 7.6 2438676 1964-10-07 2438648 1964-09-09 28 SVO
-22 8.0 2438982 1965-08-09 2438949 1965-07-07 33 SVO
-21 7.1 2439279 1966-06-02 2439251 1966-05-05 28 SVO
-20 7.8 2439576 1967-03-26 2439552 1967-03-02 24 SVO
-19 7.2 2439878 1968-01-22 2439854 1967-12-29 24 SVO
-18 8.4 2440174 1968-11-13 2440155 1968-10-25 19 SVO
-17 8.3 2440482 1969-09-17 2440456 1969-08-22 26 SVO
-16 7.5 2440782 1970-07-14 2440758 1970-06-20 24 SVO
-15 8.4 2441091 1971-05-19 2441059 1971-04-17 32 SVO
-14 7.6 2441388 1972-03-11 2441361 1972-02-13 27 SVO
-13 7.3 2441686 1973-01-03 2441662 1972-12-10 24 SVO
-12 7.7 2441990 1973-11-03 2441963 1973-10-07 27 SVO
-11 7.2 2442286 1974-08-26 2442265 1974-08-05 21 SVO
-10 7.4 2442589 1975-06-25 2442566 1975-06-02 23 SVO
-9 7.7 2442890 1976-04-21 2442867 1976-03-29 23 SVO
-8 7.6 2443194 1977-02-19 2443169 1977-01-25 25 SVO
-7 7.0 2443486 1977-12-08 2443470 1977-11-22 16 SVO
-6 8.1 2443791 1978-10-09 2443772 1978-09-20 19 SVO
-5 7.7 2444095 1979-08-09 2444073 1979-07-18 22 SVO
-4 7.5 2444393 1980-06-02 2444374 1980-05-14 19 SVO
-3 7.0 2444690 1981-03-26 2444676 1981-03-12 14 SVO
-2 7.8 2444989 1982-01-19 2444977 1982-01-07 12 SVO
-1 7.6 2445294 1982-11-20 2445279 1982-11-05 15 SVO
0 6.7 2445584 1983-09-06 2445580 1983-09-02 4 SVO
1 7.6 2445883 1984-07-01 2445881 1984-06-29 2 SVO
2 7.6 2446182 1985-04-26 2446183 1985-04-27 -1 SVO
3 7.5 2446489 1986-02-27 2446484 1986-02-22 5 SVO
4 7.4 2446793 1986-12-28 2446785 1986-12-20 8 SVO
5 7.1 2447089 1987-10-20 2447087 1987-10-18 2 SVO
6 7.1 2447389 1988-08-15 2447388 1988-08-14 1 SVO
7 7.0 2447690 1989-06-12 2447690 1989-06-12 0 SVO
8 7.4 2447994 1990-04-12 2447991 1990-04-09 3 SVO
9 7.4 2448294 1991-02-06 2448292 1991-02-04 2 SVO
10 6.8 2448592 1991-12-01 2448594 1991-12-03 -2 SVO
11 7.8 2448903 1992-10-07 2448895 1992-09-29 8 SVO
12 7.6 2449197 1993-07-28 2449197 1993-07-28 0 SVO
13 7.0 2449485 1994-05-12 2449498 1994-05-25 -13 SVO
14 7.7 2449789 1995-03-12 2449799 1995-03-22 -10 SVO
15 7.8 2450098 1996-01-15 2450101 1996-01-18 -3 SVO
16 7.5 2450390 1996-11-02 2450402 1996-11-14 -12 SVO
17 7.2 2450687 1997-08-26 2450703 1997-09-11 -16 SVO
18 7.5 2450981 1998-06-16 2451005 1998-07-10 -24 SVO
19 7.5 2451291 1999-04-22 2451306 1999-05-07 -15 SVO
20 7.9 2451596 2000-02-21 2451608 2000-03-04 -12 SVO
21 7.5 2451904 2000-12-25 2451909 2000-12-30 -5 SVO
22 6.8 2452201 2001-10-18 2452210 2001-10-27 -9 SVO
23 7.4 2452504 2002-08-17 2452512 2002-08-25 -8 SVO
24 7.4 2452815 2003-06-24 2452813 2003-06-22 2 SVO
25 7.7 2453120 2004-04-24 2453115 2004-04-19 5 SVO
26 7.2 2453422 2005-02-20 2453416 2005-02-14 6 SVO
27 7.8 2453722 2005-12-17 2453717 2005-12-12 5 SVO
28 8.0 2454023 2006-10-14 2454019 2006-10-10 4 SVO
29 6.8 2454316 2007-08-03 2454320 2007-08-07 -4 SVO
30 7.7 2454619 2008-06-01 2454621 2008-06-03 -2 SVO
31 7.8 2454927 2009-04-05 2454923 2009-04-01 4 SVO
32 7.2 2455220 2010-01-23 2455224 2010-01-27 -4 SVO
33 7.3 2455512 2010-11-11 2455526 2010-11-25 -14 SVO
34 6.9 2455818 2011-09-13 2455827 2011-09-22 -9 SVO
35 8.1 2456122 2012-07-13 2456128 2012-07-19 -6 SVO
36 7.7 2456422 2013-05-09 2456430 2013-05-17 -8 SVO
37 7.2 2456723 2014-03-06 2456731 2014-03-14 -8 SVO
38 7.5 2457026 2015-01-03 2457033 2015-01-10 -7 SVO
39 7.6 2457331 2015-11-04 2457334 2015-11-07 -3 SVO
40 7.0 2457627 2016-08-26 2457635 2016-09-03 -8 SVO
41 7.2 2457920 2017-06-15 2457937 2017-07-02 -17 SVO
42 7.4 2458226 2018-04-17 2458238 2018-04-29 -12 SVO
43 6.9 2458531 2019-02-16 2458539 2019-02-24 -8 SVO
44 7.4 2458833 2019-12-15 2458841 2019-12-23 -8 SVO
45 7.6 2459136 2020-10-13 2459142 2020-10-19 -6 SVO
46 7.1 2459432 2021-08-05 2459444 2021-08-17 -12 SVO
47 7.6 2459728 2022-05-28 2459745 2022-06-14 -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.