Maxima for RU Hya
Period: 332.06, Epoch: 2443147.8
AAVSO offset: 1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-107   2407530 1879-06-29 2407618 1879-09-25 -88 AnHar, 1909, vol 55, p 95
-96   2411210 1889-07-26 2411270 1889-09-24 -60 SVO
-95   2411550 1890-07-01 2411602 1890-08-22 -52 SVO
-94   2411880 1891-05-27 2411935 1891-07-21 -55 SVO
-88   2413873 1896-11-09 2413927 1897-01-02 -54 AnHar, 1909, vol 55, p 95
-87   2414205 1897-10-07 2414259 1897-11-30 -54 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-86   2414553 1898-09-20 2414591 1898-10-28 -38 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-85   2414881 1899-08-14 2414923 1899-09-25 -42 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-84   2415213 1900-07-12 2415255 1900-08-23 -42 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-83   2415551 1901-06-15 2415587 1901-07-21 -36 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-82   2415892 1902-05-22 2415919 1902-06-18 -27 SVO
-81   2416232 1903-04-27 2416251 1903-05-16 -19 SVO
-80   2416580 1904-04-09 2416583 1904-04-12 -3 SVO
-79   2416915 1905-03-10 2416915 1905-03-10 0 SVO
-73   2418880 1910-07-27 2418908 1910-08-24 -28 SVO
-72   2419225 1911-07-07 2419240 1911-07-22 -15 SVO
-71   2419535 1912-05-12 2419572 1912-06-18 -37 SVO
-70   2419890 1913-05-02 2419904 1913-05-16 -14 AnHar, 1952, vol 115
-69   2420200 1914-03-08 2420236 1914-04-13 -36 SVO
-68   2420555 1915-02-26 2420568 1915-03-11 -13 SVO
-67   2420890 1916-01-27 2420900 1916-02-06 -10 SVO
-63 8.7 2422212 1919-09-10 2422228 1919-09-26 -16 SVO
-62 8.8 2422543 1920-08-06 2422560 1920-08-23 -17 SVO
-61 7.8 2422878 1921-07-07 2422892 1921-07-21 -14 SVO
-60 9.4 2423217 1922-06-11 2423224 1922-06-18 -7 SVO
-59 9.0 2423551 1923-05-11 2423557 1923-05-17 -6 SVO
-58 8.2 2423873 1924-03-28 2423889 1924-04-13 -16 SVO
-57 8.5 2424217 1925-03-07 2424221 1925-03-11 -4 SVO
-56   2424537 1926-01-21 2424553 1926-02-06 -16 AAVSO
-55   2424870 1926-12-20 2424885 1927-01-04 -15 AAVSO
-54   2425225 1927-12-10 2425217 1927-12-02 8 AAVSO
-53 8.8 2425560 1928-11-09 2425549 1928-10-29 11 SVO
-52 8.3 2425894 1929-10-09 2425881 1929-09-26 13 SVO
-51 8.4 2426233 1930-09-13 2426213 1930-08-24 20 SVO
-50 8.3 2426564 1931-08-10 2426545 1931-07-22 19 SVO
-49 8.5 2426904 1932-07-15 2426877 1932-06-18 27 SVO
-48 8.4 2427227 1933-06-03 2427209 1933-05-16 18 SVO
-47 8.1 2427560 1934-05-02 2427541 1934-04-13 19 SVO
-46 8.2 2427902 1935-04-09 2427873 1935-03-11 29 SVO
-45 8.9 2428243 1936-03-15 2428205 1936-02-06 38 SVO
-44 8.3 2428579 1937-02-14 2428537 1937-01-03 42 AAVSO
-43 7.9 2428911 1938-01-12 2428869 1937-12-01 42 AAVSO
-42 8.0 2429232 1938-11-29 2429201 1938-10-29 31 AAVSO
-41   2429561 1939-10-24 2429534 1939-09-27 27 AAVSO
-40 9.0 2429897 1940-09-24 2429866 1940-08-24 31 AAVSO
-39 8.4 2430223 1941-08-16 2430198 1941-07-22 25 AAVSO
-38 9.4 2430555 1942-07-14 2430530 1942-06-19 25 AAVSO
-37 8.4 2430881 1943-06-05 2430862 1943-05-17 19 AAVSO
-36 8.7 2431219 1944-05-08 2431194 1944-04-13 25 AAVSO
-35 8.3 2431539 1945-03-24 2431526 1945-03-11 13 SVO
-34 7.5 2431855 1946-02-03 2431858 1946-02-06 -3 SVO
-33 8.7 2432208 1947-01-22 2432190 1947-01-04 18 AAVSO
-32 9.3 2432551 1947-12-31 2432522 1947-12-02 29 AAVSO
-31 8.0 2432875 1948-11-19 2432854 1948-10-29 21 AAVSO
-30 9.8 2433211 1949-10-21 2433186 1949-09-26 25 AAVSO
-29 8.8 2433551 1950-09-26 2433518 1950-08-24 33 SVO
-28 7.8 2433879 1951-08-20 2433850 1951-07-22 29 SVO
-27 8.9 2434213 1952-07-19 2434182 1952-06-18 31 SVO
-26 8.3 2434545 1953-06-16 2434514 1953-05-16 31 SVO
-25 8.4 2434880 1954-05-17 2434846 1954-04-13 34 SVO
-24 8.4 2435211 1955-04-13 2435178 1955-03-11 33 SVO
-23 8.1 2435539 1956-03-06 2435511 1956-02-07 28 SVO
-22 8.4 2435874 1957-02-04 2435843 1957-01-04 31 SVO
-21 8.9 2436210 1958-01-06 2436175 1957-12-02 35 SVO
-20 8.8 2436539 1958-12-01 2436507 1958-10-30 32 AAVSO
-19 7.9 2436857 1959-10-15 2436839 1959-09-27 18 SVO
-18 8.7 2437200 1960-09-22 2437171 1960-08-24 29 SVO
-17 8.4 2437528 1961-08-16 2437503 1961-07-22 25 SVO
-16 7.9 2437862 1962-07-16 2437835 1962-06-19 27 SVO
-15 9.5 2438192 1963-06-11 2438167 1963-05-17 25 SVO
-14 8.1 2438512 1964-04-26 2438499 1964-04-13 13 SVO
-13 9.1 2438853 1965-04-02 2438831 1965-03-11 22 SVO
-12 8.5 2439188 1966-03-03 2439163 1966-02-06 25 SVO
-11 8.6 2439527 1967-02-05 2439495 1967-01-04 32 SVO
-10 8.4 2439859 1968-01-03 2439827 1967-12-02 32 AAVSO
-9 8.5 2440190 1968-11-29 2440159 1968-10-29 31 AAVSO
-8 8.9 2440526 1969-10-31 2440491 1969-09-26 35 AAVSO
-7   2440862 1970-10-02 2440823 1970-08-24 39 AAVSO
-6 8.2 2441193 1971-08-29 2441155 1971-07-22 38 AAVSO
-5 8.5 2441528 1972-07-29 2441488 1972-06-19 40 AAVSO
-4 8.9 2441864 1973-06-30 2441820 1973-05-17 44 SVO
-3 8.6 2442192 1974-05-24 2442152 1974-04-14 40 SVO
-2 7.7 2442512 1975-04-09 2442484 1975-03-12 28 SVO
-1 9.2 2442840 1976-03-02 2442816 1976-02-07 24 AAVSO
0 8.7 2443172 1977-01-28 2443148 1977-01-04 24 SVO
1   2443504 1977-12-26 2443480 1977-12-02 24 AAVSO
2 8.4 2443839 1978-11-26 2443812 1978-10-30 27 AAVSO
3 8.5 2444159 1979-10-12 2444144 1979-09-27 15 SVO
4 9.8 2444502 1980-09-19 2444476 1980-08-24 26 AAVSO
5 9.2 2444826 1981-08-09 2444808 1981-07-22 18 SVO
6 8.2 2445156 1982-07-05 2445140 1982-06-19 16 SVO
7 9.3 2445477 1983-05-22 2445472 1983-05-17 5 SVO
8 8.3 2445816 1984-04-25 2445804 1984-04-13 12 SVO
9 8.0 2446147 1985-03-22 2446136 1985-03-11 11 SVO
10 9.3 2446485 1986-02-23 2446468 1986-02-06 17 SVO
11 8.8 2446822 1987-01-26 2446800 1987-01-04 22 SVO
12   2447150 1987-12-20 2447132 1987-12-02 18 AAVSO
13   2447469 1988-11-03 2447465 1988-10-30 4 AAVSO
14 8.1 2447811 1989-10-11 2447797 1989-09-27 14 SVO
15 8.8 2448136 1990-09-01 2448129 1990-08-25 7 SVO
16 8.4 2448463 1991-07-25 2448461 1991-07-23 2 SVO
17 7.8 2448800 1992-06-26 2448793 1992-06-19 7 SVO
18 9.0 2449135 1993-05-27 2449125 1993-05-17 10 SVO
19 8.6 2449467 1994-04-24 2449457 1994-04-14 10 SVO
20 8.0 2449788 1995-03-11 2449789 1995-03-12 -1 SVO
21 8.9 2450115 1996-02-01 2450121 1996-02-07 -6 SVO
22   2450450 1997-01-01 2450453 1997-01-04 -3 AAVSO
23   2450781 1997-11-28 2450785 1997-12-02 -4 AAVSO
24   2451103 1998-10-16 2451117 1998-10-30 -14 AAVSO
25   2451426 1999-09-04 2451449 1999-09-27 -23 AAVSO
26 8.0 2451758 2000-08-01 2451781 2000-08-24 -23 SVO
27 8.9 2452084 2001-06-23 2452113 2001-07-22 -29 SVO
28 7.8 2452415 2002-05-20 2452445 2002-06-19 -30 SVO
29 8.6 2452746 2003-04-16 2452777 2003-05-17 -31 SVO
30 8.1 2453078 2004-03-13 2453110 2004-04-14 -32 SVO
31 8.5 2453401 2005-01-30 2453442 2005-03-12 -41 SVO
32   2453730 2005-12-25 2453774 2006-02-07 -44 AAVSO
33   2454067 2006-11-27 2454106 2007-01-05 -39 AAVSO
34   2454418 2007-11-13 2454438 2007-12-03 -20 AAVSO
35 8.2 2454742 2008-10-02 2454770 2008-10-30 -28 SVO
36 7.8 2455066 2009-08-22 2455102 2009-09-27 -36 SVO
37 8.6 2455408 2010-07-30 2455434 2010-08-25 -26 AAVSO
38 8.8 2455740 2011-06-27 2455766 2011-07-23 -26 SVO
39 8.1 2456063 2012-05-15 2456098 2012-06-19 -35 SVO
40 8.7 2456395 2013-04-12 2456430 2013-05-17 -35 SVO
41 8.8 2456731 2014-03-14 2456762 2014-04-14 -31 SVO
42 7.7 2457054 2015-01-31 2457094 2015-03-12 -40 SVO
43 10.5 2457404 2016-01-16 2457426 2016-02-07 -22 AAVSO
44 9.5 2457736 2016-12-13 2457758 2017-01-04 -22 AAVSO
45   2458061 2017-11-03 2458090 2017-12-02 -29 AAVSO
46 8.7 2458385 2018-09-23 2458422 2018-10-30 -37 SVO
47 8.4 2458724 2019-08-28 2458754 2019-09-27 -30 SVO
48 7.9 2459052 2020-07-21 2459087 2020-08-25 -35 SVO
49 8.2 2459382 2021-06-16 2459419 2021-07-23 -37 SVO
50 8.0 2459719 2022-05-19 2459751 2022-06-20 -32 SVO
51 9.6 2460047 2023-04-12 2460083 2023-05-18 -36 SVO
52 9.0 2460382 2024-03-12 2460415 2024-04-14 -33 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.