Maxima for RU Lib
Period: 316.55, Epoch: 2441855.4
AAVSO offset: -2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-97   2411134 1889-05-11 2411151 1889-05-28 -17 AnHar, 1909, vol 55, p 95
-91   2413050 1894-08-09 2413050 1894-08-09 0 SVO
-90   2413358 1895-06-13 2413366 1895-06-21 -8 SVO
-89   2413662 1896-04-12 2413683 1896-05-03 -21 SVO
-88   2413975 1897-02-19 2413999 1897-03-15 -24 SVO
-85   2414910 1899-09-12 2414949 1899-10-21 -39 SVO
-84   2415230 1900-07-29 2415266 1900-09-03 -36 SVO
-83   2415542 1901-06-06 2415582 1901-07-16 -40 SVO
-82   2415861 1902-04-21 2415899 1902-05-29 -38 SVO
-81   2416157 1903-02-11 2416215 1903-04-10 -58 AAVSO
-79   2416807 1904-11-22 2416848 1905-01-02 -41 AAVSO
-77   2417439 1906-08-16 2417481 1906-09-27 -42 AAVSO
-76 8.6 2417781 1907-07-24 2417798 1907-08-10 -17 AAVSO
-75 8.2 2418091 1908-05-29 2418115 1908-06-22 -24 AAVSO
-74   2418421 1909-04-24 2418431 1909-05-04 -10 AAVSO
-73 8.0 2418733 1910-03-02 2418748 1910-03-17 -15 AAVSO
-71   2419366 1911-11-25 2419381 1911-12-10 -15 AAVSO
-70   2419707 1912-10-31 2419697 1912-10-21 10 AAVSO
-69 8.3 2420029 1913-09-18 2420014 1913-09-03 15 AAVSO
-68 8.3 2420345 1914-07-31 2420330 1914-07-16 15 AAVSO
-67 8.1 2420672 1915-06-23 2420647 1915-05-29 25 SVO
-66 8.2 2421007 1916-05-23 2420963 1916-04-09 44 SVO
-65 8.0 2421307 1917-03-19 2421280 1917-02-20 27 AAVSO
-64 8.7 2421620 1918-01-26 2421597 1918-01-03 23 AAVSO
-63   2421941 1918-12-13 2421913 1918-11-15 28 AAVSO
-62   2422245 1919-10-13 2422230 1919-09-28 15 AAVSO
-61 7.7 2422571 1920-09-03 2422546 1920-08-09 25 AAVSO
-60 8.2 2422907 1921-08-05 2422863 1921-06-22 44 SVO
-59 8.4 2423226 1922-06-20 2423179 1922-05-04 47 SVO
-58 7.5 2423531 1923-04-21 2423496 1923-03-17 35 SVO
-57 8.0 2423857 1924-03-12 2423812 1924-01-27 45 AAVSO
-56 8.4 2424157 1925-01-06 2424129 1924-12-09 28 AAVSO
-55   2424465 1925-11-10 2424445 1925-10-21 20 AAVSO
-54 8.0 2424797 1926-10-08 2424762 1926-09-03 35 AAVSO
-53 7.9 2425112 1927-08-19 2425079 1927-07-17 33 AAVSO
-52 7.9 2425430 1928-07-02 2425395 1928-05-28 35 SVO
-51 7.7 2425738 1929-05-06 2425712 1929-04-10 26 SVO
-50 8.2 2426054 1930-03-18 2426028 1930-02-20 26 SVO
-49 7.8 2426366 1931-01-24 2426345 1931-01-03 21 AAVSO
-48   2426671 1931-11-25 2426661 1931-11-15 10 AAVSO
-47 7.5 2426990 1932-10-09 2426978 1932-09-27 12 SVO
-46 7.9 2427289 1933-08-04 2427294 1933-08-09 -5 SVO
-45 7.8 2427603 1934-06-14 2427611 1934-06-22 -8 SVO
-44 8.5 2427924 1935-05-01 2427927 1935-05-04 -3 SVO
-43 7.8 2428224 1936-02-25 2428244 1936-03-16 -20 AAVSO
-42 8.3 2428538 1937-01-04 2428561 1937-01-27 -23 AAVSO
-41   2428867 1937-11-29 2428877 1937-12-09 -10 AAVSO
-40 8.2 2429167 1938-09-25 2429194 1938-10-22 -27 AAVSO
-39 8.5 2429486 1939-08-10 2429510 1939-09-03 -24 AAVSO
-38 8.2 2429802 1940-06-21 2429827 1940-07-16 -25 SVO
-37 7.7 2430120 1941-05-05 2430143 1941-05-28 -23 SVO
-36   2430427 1942-03-08 2430460 1942-04-10 -33 AAVSO
-35   2430747 1943-01-22 2430776 1943-02-20 -29 AAVSO
-32 8.4 2431701 1945-09-02 2431726 1945-09-27 -25 AAVSO
-31 8.1 2432035 1946-08-02 2432043 1946-08-10 -8 SVO
-30 7.9 2432356 1947-06-19 2432359 1947-06-22 -3 SVO
-29 8.8 2432674 1948-05-02 2432676 1948-05-04 -2 SVO
-28 7.7 2432987 1949-03-11 2432992 1949-03-16 -5 AAVSO
-27 8.5 2433313 1950-01-31 2433309 1950-01-27 4 AAVSO
-26   2433619 1950-12-03 2433625 1950-12-09 -6 AAVSO
-25 8.5 2433965 1951-11-14 2433942 1951-10-22 23 AAVSO
-24 8.8 2434272 1952-09-16 2434258 1952-09-02 14 AAVSO
-23 7.6 2434580 1953-07-21 2434575 1953-07-16 5 SVO
-22 8.9 2434905 1954-06-11 2434891 1954-05-28 14 SVO
-21 7.7 2435216 1955-04-18 2435208 1955-04-10 8 AAVSO
-20 8.5 2435535 1956-03-02 2435525 1956-02-21 10 AAVSO
-19 8.4 2435840 1957-01-01 2435841 1957-01-02 -1 AAVSO
-18 8.4 2436150 1957-11-07 2436158 1957-11-15 -8 AAVSO
-17 8.9 2436497 1958-10-20 2436474 1958-09-27 23 AAVSO
-16 8.3 2436788 1959-08-07 2436791 1959-08-10 -3 SVO
-15 8.4 2437106 1960-06-20 2437107 1960-06-21 -1 SVO
-14 8.5 2437421 1961-05-01 2437424 1961-05-04 -3 AAVSO
-13 8.8 2437735 1962-03-11 2437740 1962-03-16 -5 SVO
-12 8.3 2438048 1963-01-18 2438057 1963-01-27 -9 AAVSO
-11   2438361 1963-11-27 2438373 1963-12-09 -12 AAVSO
-10 8.2 2438675 1964-10-06 2438690 1964-10-21 -15 AAVSO
-9 8.5 2439002 1965-08-29 2439007 1965-09-03 -5 AAVSO
-8 8.0 2439312 1966-07-05 2439323 1966-07-16 -11 SVO
-7 8.3 2439627 1967-05-16 2439640 1967-05-29 -13 SVO
-6 8.0 2439944 1968-03-28 2439956 1968-04-09 -12 AAVSO
-5   2440260 1969-02-07 2440273 1969-02-20 -13 AAVSO
-4   2440574 1969-12-18 2440589 1970-01-02 -15 AAVSO
-3   2440887 1970-10-27 2440906 1970-11-15 -19 AAVSO
-2 8.6 2441210 1971-09-15 2441222 1971-09-27 -12 AAVSO
-1 8.7 2441527 1972-07-28 2441539 1972-08-09 -12 AAVSO
0 7.7 2441851 1973-06-17 2441855 1973-06-21 -4 SVO
1 7.9 2442168 1974-04-30 2442172 1974-05-04 -4 SVO
2 8.2 2442497 1975-03-25 2442489 1975-03-17 8 AAVSO
3 8.3 2442807 1976-01-29 2442805 1976-01-27 2 AAVSO
4 8.1 2443139 1976-12-26 2443122 1976-12-09 17 SVO
5   2443457 1977-11-09 2443438 1977-10-21 19 AAVSO
6 8.1 2443769 1978-09-17 2443755 1978-09-03 14 AAVSO
7 8.5 2444100 1979-08-14 2444071 1979-07-16 29 SVO
8 8.2 2444423 1980-07-02 2444388 1980-05-28 35 SVO
9 7.9 2444734 1981-05-09 2444704 1981-04-09 30 SVO
10 9.4 2445057 1982-03-28 2445021 1982-02-20 36 SVO
11 8.1 2445370 1983-02-04 2445337 1983-01-02 33 AAVSO
12 8.6 2445682 1983-12-13 2445654 1983-11-15 28 AAVSO
13 8.0 2446016 1984-11-11 2445971 1984-09-27 45 SVO
14 8.0 2446319 1985-09-10 2446287 1985-08-09 32 AAVSO
15 7.8 2446626 1986-07-14 2446604 1986-06-22 22 SVO
16 8.6 2446947 1987-05-31 2446920 1987-05-04 27 SVO
17 8.1 2447261 1988-04-09 2447237 1988-03-16 24 SVO
18 8.7 2447580 1989-02-22 2447553 1989-01-26 27 SVO
19 8.1 2447889 1989-12-28 2447870 1989-12-09 19 SVO
20 8.8 2448205 1990-11-09 2448186 1990-10-21 19 SVO
21   2448521 1991-09-21 2448503 1991-09-03 18 AAVSO
22 7.9 2448825 1992-07-21 2448819 1992-07-15 6 SVO
23 8.4 2449147 1993-06-08 2449136 1993-05-28 11 SVO
24 7.9 2449456 1994-04-13 2449453 1994-04-10 3 SVO
25 7.9 2449766 1995-02-17 2449769 1995-02-20 -3 SVO
26 8.5 2450087 1996-01-04 2450086 1996-01-03 1 SVO
27 7.3 2450395 1996-11-07 2450402 1996-11-14 -7 SVO
28 8.7 2450712 1997-09-20 2450719 1997-09-27 -7 SVO
29 8.4 2451033 1998-08-07 2451035 1998-08-09 -2 SVO
30 8.0 2451350 1999-06-20 2451352 1999-06-22 -2 SVO
31 7.9 2451655 2000-04-20 2451668 2000-05-03 -13 SVO
32 7.9 2451969 2001-02-28 2451985 2001-03-16 -16 SVO
33 8.4 2452286 2002-01-11 2452301 2002-01-26 -15 SVO
34 7.8 2452605 2002-11-26 2452618 2002-12-09 -13 SVO
35 8.6 2452925 2003-10-12 2452935 2003-10-22 -10 SVO
36   2453235 2004-08-17 2453251 2004-09-02 -16 AAVSO
37 9.0 2453552 2005-06-30 2453568 2005-07-16 -16 SVO
38 8.2 2453879 2006-05-23 2453884 2006-05-28 -5 SVO
39 8.4 2454181 2007-03-21 2454201 2007-04-10 -20 SVO
40 7.7 2454497 2008-01-31 2454517 2008-02-20 -20 SVO
41 8.7 2454821 2008-12-20 2454834 2009-01-02 -13 SVO
42 8.2 2455137 2009-11-01 2455150 2009-11-14 -13 SVO
43 8.3 2455447 2010-09-07 2455467 2010-09-27 -20 AAVSO
44 8.1 2455772 2011-07-29 2455783 2011-08-09 -11 SVO
45 8.2 2456084 2012-06-05 2456100 2012-06-21 -16 SVO
46 8.1 2456400 2013-04-17 2456417 2013-05-04 -17 SVO
47 8.2 2456729 2014-03-12 2456733 2014-03-16 -4 SVO
48 7.9 2457041 2015-01-18 2457050 2015-01-27 -9 SVO
49   2457355 2015-11-28 2457366 2015-12-09 -11 AAVSO
50 8.0 2457676 2016-10-14 2457683 2016-10-21 -7 SVO
51 7.9 2457993 2017-08-27 2457999 2017-09-02 -6 SVO
52 8.3 2458307 2018-07-07 2458316 2018-07-16 -9 SVO
53 8.6 2458624 2019-05-20 2458632 2019-05-28 -8 SVO
54 7.8 2458933 2020-03-24 2458949 2020-04-09 -16 SVO
55 8.1 2459264 2021-02-18 2459265 2021-02-19 -1 SVO
56 7.8 2459575 2021-12-26 2459582 2022-01-02 -7 SVO
57 7.7 2459882 2022-10-29 2459899 2022-11-15 -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.