Maxima for RR Hya
Period: 342.13, Epoch: 2439144.9
AAVSO offset: 0

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-82   2411146 1889-05-23 2411091 1889-03-29 55 AnHar, 1909, vol 55, p 95
-81   2411490 1890-05-02 2411433 1890-03-06 57 SVO
-74   2413840 1896-10-07 2413828 1896-09-25 12 SVO
-72   2414500 1898-07-29 2414512 1898-08-10 -12 AnHar, 1909, vol 55, p 95
-71   2414853 1899-07-17 2414854 1899-07-18 -1 AnHar, 1909, vol 55, p 95
-70   2415193 1900-06-22 2415196 1900-06-25 -3 AnHar, 1909, vol 55, p 95
-69   2415524 1901-05-19 2415538 1901-06-02 -14 AnHar, 1909, vol 55, p 95
-68   2415870 1902-04-30 2415880 1902-05-10 -10 SVO
-67   2416203 1903-03-29 2416222 1903-04-17 -19 SVO
-66   2416526 1904-02-15 2416565 1904-03-25 -39 SVO
-65   2416855 1905-01-09 2416907 1905-03-02 -52 SVO
-64   2417200 1905-12-20 2417249 1906-02-07 -49 SVO
-63   2417560 1906-12-15 2417591 1907-01-15 -31 SVO
-56   2419915 1913-05-27 2419986 1913-08-06 -71 SVO
-55   2420265 1914-05-12 2420328 1914-07-14 -63 SVO
-54   2420614 1915-04-26 2420670 1915-06-21 -56 SVO
-53   2420956 1916-04-02 2421012 1916-05-28 -56 SVO
-52   2421298 1917-03-10 2421354 1917-05-05 -56 SVO
-51   2421650 1918-02-25 2421696 1918-04-12 -46 SVO
-50 9.7 2421994 1919-02-04 2422039 1919-03-21 -45 SVO
-49 9.6 2422341 1920-01-17 2422381 1920-02-26 -40 SVO
-46 9.6 2423364 1922-11-05 2423407 1922-12-18 -43 AAVSO
-45   2423722 1923-10-29 2423749 1923-11-25 -27 AAVSO
-40   2425464 1928-08-05 2425460 1928-08-01 4 AAVSO
-39 9.9 2425803 1929-07-10 2425802 1929-07-09 1 SVO
-38 8.8 2426144 1930-06-16 2426144 1930-06-16 0 AAVSO
-37 8.9 2426491 1931-05-29 2426486 1931-05-24 5 AAVSO
-36 9.9 2426844 1932-05-16 2426828 1932-04-30 16 AAVSO
-35 9.3 2427184 1933-04-21 2427170 1933-04-07 14 SVO
-34 9.4 2427522 1934-03-25 2427513 1934-03-16 9 SVO
-33 9.2 2427873 1935-03-11 2427855 1935-02-21 18 SVO
-32 9.7 2428208 1936-02-09 2428197 1936-01-29 11 AAVSO
-31 9.0 2428546 1937-01-12 2428539 1937-01-05 7 SVO
-30 10.6 2428883 1937-12-15 2428881 1937-12-13 2 AAVSO
-29 9.0 2429219 1938-11-16 2429223 1938-11-20 -4 AAVSO
-28 9.4 2429570 1939-11-02 2429565 1939-10-28 5 AAVSO
-27   2429911 1940-10-08 2429907 1940-10-04 4 AAVSO
-26   2430241 1941-09-03 2430250 1941-09-12 -9 AAVSO
-25   2430570 1942-07-29 2430592 1942-08-20 -22 AAVSO
-24   2430910 1943-07-04 2430934 1943-07-28 -24 AAVSO
-23   2431248 1944-06-06 2431276 1944-07-04 -28 AAVSO
-22   2431612 1945-06-05 2431618 1945-06-11 -6 AAVSO
-21 9.4 2431956 1946-05-15 2431960 1946-05-19 -4 AAVSO
-20 9.6 2432264 1947-03-19 2432302 1947-04-26 -38 SVO
-19 8.8 2432608 1948-02-26 2432644 1948-04-02 -36 AAVSO
-18 9.1 2432949 1949-02-01 2432987 1949-03-11 -38 SVO
-17 9.4 2433299 1950-01-17 2433329 1950-02-16 -30 SVO
-16 9.5 2433654 1951-01-07 2433671 1951-01-24 -17 SVO
-15 9.1 2433991 1951-12-10 2434013 1952-01-01 -22 SVO
-14 10.2 2434355 1952-12-08 2434355 1952-12-08 0 SVO
-13 9.1 2434682 1953-10-31 2434697 1953-11-15 -15 SVO
-12 9.1 2435023 1954-10-07 2435039 1954-10-23 -16 AAVSO
-11 9.3 2435385 1955-10-04 2435381 1955-09-30 4 SVO
-10 9.6 2435735 1956-09-18 2435724 1956-09-07 11 SVO
-9 9.6 2436088 1957-09-06 2436066 1957-08-15 22 SVO
-8 10.0 2436433 1958-08-17 2436408 1958-07-23 25 SVO
-7 9.7 2436789 1959-08-08 2436750 1959-06-30 39 SVO
-6 9.7 2437134 1960-07-18 2437092 1960-06-06 42 SVO
-5 9.1 2437475 1961-06-24 2437434 1961-05-14 41 SVO
-4 9.8 2437822 1962-06-06 2437776 1962-04-21 46 SVO
-3 10.0 2438189 1963-06-08 2438118 1963-03-29 71 SVO
-2 9.4 2438525 1964-05-09 2438461 1964-03-06 64 SVO
-1 9.3 2438866 1965-04-15 2438803 1965-02-11 63 SVO
0 9.6 2439225 1966-04-09 2439145 1966-01-19 80 SVO
1 9.3 2439564 1967-03-14 2439487 1966-12-27 77 SVO
2 9.2 2439901 1968-02-14 2439829 1967-12-04 72 SVO
3 9.3 2440245 1969-01-23 2440171 1968-11-10 74 SVO
4 9.0 2440587 1969-12-31 2440513 1969-10-18 74 SVO
5   2440929 1970-12-08 2440855 1970-09-25 74 AAVSO
6 9.5 2441274 1971-11-18 2441198 1971-09-03 76 AAVSO
7   2441614 1972-10-23 2441540 1972-08-10 74 AAVSO
8 9.1 2441970 1973-10-14 2441882 1973-07-18 88 SVO
9 9.7 2442303 1974-09-12 2442224 1974-06-25 79 SVO
10   2442643 1975-08-18 2442566 1975-06-02 77 AAVSO
11 9.8 2442984 1976-07-24 2442908 1976-05-09 76 AAVSO
12 9.7 2443314 1977-06-19 2443250 1977-04-16 64 AAVSO
13 9.4 2443647 1978-05-18 2443593 1978-03-25 54 SVO
14 9.0 2443973 1979-04-09 2443935 1979-03-02 38 SVO
15 9.7 2444306 1980-03-07 2444277 1980-02-07 29 SVO
16 9.5 2444644 1981-02-08 2444619 1981-01-14 25 SVO
17 9.3 2444977 1982-01-07 2444961 1981-12-22 16 SVO
18 9.9 2445315 1982-12-11 2445303 1982-11-29 12 SVO
19 9.3 2445649 1983-11-10 2445645 1983-11-06 4 AAVSO
20 9.7 2445991 1984-10-17 2445987 1984-10-13 4 AAVSO
21 9.6 2446332 1985-09-23 2446330 1985-09-21 2 SVO
22 9.6 2446674 1986-08-31 2446672 1986-08-29 2 SVO
23 9.4 2447008 1987-07-31 2447014 1987-08-06 -6 SVO
24   2447368 1988-07-25 2447356 1988-07-13 12 AAVSO
25   2447699 1989-06-21 2447698 1989-06-20 1 AAVSO
26 10.0 2448032 1990-05-20 2448040 1990-05-28 -8 SVO
27 9.3 2448379 1991-05-02 2448382 1991-05-05 -3 SVO
28 9.6 2448720 1992-04-07 2448724 1992-04-11 -4 SVO
29 9.5 2449055 1993-03-08 2449067 1993-03-20 -12 SVO
30 9.6 2449401 1994-02-17 2449409 1994-02-25 -8 SVO
31 10.0 2449743 1995-01-25 2449751 1995-02-02 -8 SVO
32 9.9 2450083 1995-12-31 2450093 1996-01-10 -10 SVO
33 9.1 2450419 1996-12-01 2450435 1996-12-17 -16 SVO
34 9.4 2450765 1997-11-12 2450777 1997-11-24 -12 SVO
35   2451098 1998-10-11 2451119 1998-11-01 -21 AAVSO
36   2451439 1999-09-17 2451461 1999-10-09 -22 AAVSO
37   2451783 2000-08-26 2451804 2000-09-16 -21 AAVSO
38   2452137 2001-08-15 2452146 2001-08-24 -9 AAVSO
39 9.2 2452488 2002-08-01 2452488 2002-08-01 0 SVO
40 9.7 2452837 2003-07-16 2452830 2003-07-09 7 SVO
41 9.4 2453171 2004-06-14 2453172 2004-06-15 -1 SVO
42 9.3 2453518 2005-05-27 2453514 2005-05-23 4 SVO
43 9.1 2453861 2006-05-05 2453856 2006-04-30 5 SVO
44 8.6 2454194 2007-04-03 2454198 2007-04-07 -4 SVO
45 9.3 2454538 2008-03-12 2454541 2008-03-15 -3 SVO
46 9.1 2454883 2009-02-20 2454883 2009-02-20 0 SVO
47 8.7 2455214 2010-01-17 2455225 2010-01-28 -11 SVO
48 9.4 2455554 2010-12-23 2455567 2011-01-05 -13 SVO
49 9.0 2455901 2011-12-05 2455909 2011-12-13 -8 SVO
50 9.3 2456232 2012-10-31 2456251 2012-11-19 -19 AAVSO
51 9.6 2456576 2013-10-10 2456593 2013-10-27 -17 AAVSO
52   2456911 2014-09-10 2456935 2014-10-04 -24 AAVSO
53   2457235 2015-07-31 2457278 2015-09-12 -43 AAVSO
54   2457579 2016-07-09 2457620 2016-08-19 -41 AAVSO
55 9.1 2457911 2017-06-06 2457962 2017-07-27 -51 AAVSO
56   2458240 2018-05-01 2458304 2018-07-04 -64 SVO
57 9.0 2458579 2019-04-05 2458646 2019-06-11 -67 SVO
58 9.1 2458932 2020-03-23 2458988 2020-05-18 -56 SVO
59 9.6 2459274 2021-02-28 2459330 2021-04-25 -56 SVO
59 9.6 2459274 2021-02-28 2459330 2021-04-25 -56 SVO
60 8.3 2459616 2022-02-05 2459672 2022-04-02 -56 SVO
60 8.3 2459616 2022-02-05 2459672 2022-04-02 -56 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.