Maxima for RR Oph
Period: 293.63, Epoch: 2443233.0
AAVSO offset: 2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-159   2396565 1849-06-21 2396546 1849-06-02 19 AnHar, 1909, vol 55, p 95
-114   2409711 1885-06-18 2409760 1885-08-06 -49 AnHar, 1909, vol 55, p 95
-110   2410933 1888-10-22 2410934 1888-10-23 -1 GuL, 1920, 1.2
-102   2413310 1895-04-26 2413283 1895-03-30 27 SVO
-99   2414190 1897-09-22 2414164 1897-08-27 26 SVO
-98   2414490 1898-07-19 2414458 1898-06-17 32 AnHar, 1909, vol 55, p 95
-97   2414778 1899-05-03 2414751 1899-04-06 27 AnHar, 1909, vol 55, p 95
-94   2415640 1901-09-12 2415632 1901-09-04 8 SVO
-93   2415930 1902-06-29 2415926 1902-06-25 4 SVO
-92   2416230 1903-04-25 2416219 1903-04-14 11 SVO
-89   2417121 1905-10-02 2417100 1905-09-11 21 AAVSO
-88 9.0 2417396 1906-07-04 2417394 1906-07-02 2 AAVSO
-87   2417690 1907-04-24 2417687 1907-04-21 3 AAVSO
-86   2417986 1908-02-14 2417981 1908-02-09 5 AAVSO
-84 8.3 2418589 1909-10-09 2418568 1909-09-18 21 AAVSO
-83   2418852 1910-06-29 2418862 1910-07-09 -10 SVO
-82   2419160 1911-05-03 2419156 1911-04-29 4 SVO
-79 8.3 2420030 1913-09-19 2420036 1913-09-25 -6 AAVSO
-78 8.5 2420332 1914-07-18 2420330 1914-07-16 2 AAVSO
-77 8.2 2420624 1915-05-06 2420624 1915-05-06 0 AAVSO
-76 8.5 2420910 1916-02-16 2420917 1916-02-23 -7 AAVSO
-75   2421232 1917-01-03 2421211 1916-12-13 21 AAVSO
-74   2421526 1917-10-24 2421505 1917-10-03 21 AAVSO
-73 8.2 2421804 1918-07-29 2421798 1918-07-23 6 SVO
-72 8.6 2422108 1919-05-29 2422092 1919-05-13 16 AAVSO
-71 9.2 2422420 1920-04-05 2422385 1920-03-01 35 AAVSO
-70   2422710 1921-01-20 2422679 1920-12-20 31 AAVSO
-69 8.5 2423002 1921-11-08 2422973 1921-10-10 29 AAVSO
-68 9.0 2423289 1922-08-22 2423266 1922-07-30 23 SVO
-67 8.2 2423575 1923-06-04 2423560 1923-05-20 15 SVO
-66 9.7 2423871 1924-03-26 2423854 1924-03-09 17 AAVSO
-65 9.0 2424156 1925-01-05 2424147 1924-12-27 9 AAVSO
-64   2424462 1925-11-07 2424441 1925-10-17 21 AAVSO
-63 8.7 2424747 1926-08-19 2424734 1926-08-06 13 SVO
-62 8.6 2425041 1927-06-09 2425028 1927-05-27 13 SVO
-61 9.2 2425339 1928-04-02 2425322 1928-03-16 17 SVO
-60 8.6 2425637 1929-01-25 2425615 1929-01-03 22 AAVSO
-59 8.6 2425923 1929-11-07 2425909 1929-10-24 14 SVO
-58 8.3 2426214 1930-08-25 2426203 1930-08-14 11 SVO
-57 9.5 2426517 1931-06-24 2426496 1931-06-03 21 SVO
-56 9.2 2426817 1932-04-19 2426790 1932-03-23 27 SVO
-55 8.6 2427098 1933-01-25 2427084 1933-01-11 14 AAVSO
-54 8.7 2427384 1933-11-07 2427377 1933-10-31 7 SVO
-53 8.9 2427683 1934-09-02 2427671 1934-08-21 12 SVO
-52 8.8 2427976 1935-06-22 2427964 1935-06-10 12 SVO
-51 9.1 2428275 1936-04-16 2428258 1936-03-30 17 SVO
-50 9.4 2428576 1937-02-11 2428552 1937-01-18 24 AAVSO
-49   2428873 1937-12-05 2428845 1937-11-07 28 AAVSO
-48 9.0 2429161 1938-09-19 2429139 1938-08-28 22 AAVSO
-47 8.8 2429453 1939-07-08 2429433 1939-06-18 20 SVO
-46 8.9 2429744 1940-04-24 2429726 1940-04-06 18 SVO
-45 8.8 2430035 1941-02-09 2430020 1941-01-25 15 AAVSO
-44 9.3 2430322 1941-11-23 2430313 1941-11-14 9 SVO
-43 9.0 2430613 1942-09-10 2430607 1942-09-04 6 SVO
-42 9.3 2430902 1943-06-26 2430901 1943-06-25 1 SVO
-41 8.4 2431194 1944-04-13 2431194 1944-04-13 0 SVO
-40   2431494 1945-02-07 2431488 1945-02-01 6 AAVSO
-39   2431796 1945-12-06 2431782 1945-11-22 14 AAVSO
-38 9.7 2432080 1946-09-16 2432075 1946-09-11 5 SVO
-37 8.2 2432359 1947-06-22 2432369 1947-07-02 -10 SVO
-36 9.3 2432662 1948-04-20 2432662 1948-04-20 0 SVO
-35 9.5 2432965 1949-02-17 2432956 1949-02-08 9 AAVSO
-34   2433257 1949-12-06 2433250 1949-11-29 7 AAVSO
-33 8.5 2433552 1950-09-27 2433543 1950-09-18 9 AAVSO
-32 9.3 2433846 1951-07-18 2433837 1951-07-09 9 SVO
-31 8.4 2434136 1952-05-03 2434131 1952-04-28 5 SVO
-30 8.3 2434423 1953-02-14 2434424 1953-02-15 -1 AAVSO
-29 8.1 2434716 1953-12-04 2434718 1953-12-06 -2 SVO
-28 8.5 2435008 1954-09-22 2435011 1954-09-25 -3 AAVSO
-27 9.3 2435309 1955-07-20 2435305 1955-07-16 4 SVO
-26 8.9 2435603 1956-05-09 2435599 1956-05-05 4 SVO
-25 8.4 2435898 1957-02-28 2435892 1957-02-22 6 AAVSO
-24   2436180 1957-12-07 2436186 1957-12-13 -6 AAVSO
-23 8.8 2436464 1958-09-17 2436480 1958-10-03 -16 AAVSO
-22 8.4 2436757 1959-07-07 2436773 1959-07-23 -16 SVO
-21 9.0 2437046 1960-04-21 2437067 1960-05-12 -21 SVO
-20 8.7 2437351 1961-02-20 2437360 1961-03-01 -9 SVO
-19 8.8 2437645 1961-12-11 2437654 1961-12-20 -9 SVO
-18 9.3 2437924 1962-09-16 2437948 1962-10-10 -24 AAVSO
-17 8.4 2438213 1963-07-02 2438241 1963-07-30 -28 SVO
-16 9.2 2438505 1964-04-19 2438535 1964-05-19 -30 SVO
-15 9.1 2438799 1965-02-07 2438829 1965-03-09 -30 AAVSO
-14 9.3 2439085 1965-11-20 2439122 1965-12-27 -37 AAVSO
-13 8.7 2439371 1966-09-02 2439416 1966-10-17 -45 SVO
-12 8.7 2439662 1967-06-20 2439709 1967-08-06 -47 SVO
-11 8.7 2439958 1968-04-11 2440003 1968-05-26 -45 SVO
-10 8.2 2440254 1969-02-01 2440297 1969-03-16 -43 AAVSO
-9   2440544 1969-11-18 2440590 1970-01-03 -46 AAVSO
-8 8.7 2440839 1970-09-09 2440884 1970-10-24 -45 SVO
-7 9.6 2441124 1971-06-21 2441178 1971-08-14 -54 SVO
-6 9.0 2441412 1972-04-04 2441471 1972-06-02 -59 AAVSO
-5 9.6 2441702 1973-01-19 2441765 1973-03-23 -63 AAVSO
-4 8.8 2441998 1973-11-11 2442058 1974-01-10 -60 SVO
-3 9.3 2442298 1974-09-07 2442352 1974-10-31 -54 AAVSO
-2 8.9 2442590 1975-06-26 2442646 1975-08-21 -56 SVO
-1 9.4 2442881 1976-04-12 2442939 1976-06-09 -58 SVO
0 9.3 2443179 1977-02-04 2443233 1977-03-30 -54 AAVSO
1   2443471 1977-11-23 2443527 1978-01-18 -56 AAVSO
2 9.7 2443767 1978-09-15 2443820 1978-11-07 -53 AAVSO
3 9.0 2444063 1979-07-08 2444114 1979-08-28 -51 SVO
4 8.7 2444352 1980-04-22 2444408 1980-06-17 -56 SVO
5 10.5 2444650 1981-02-14 2444701 1981-04-06 -51 AAVSO
6 11.0 2444942 1981-12-03 2444995 1982-01-25 -53 AAVSO
7 9.4 2445247 1982-10-04 2445288 1982-11-14 -41 AAVSO
8 9.2 2445541 1983-07-25 2445582 1983-09-04 -41 SVO
9 8.7 2445829 1984-05-08 2445876 1984-06-24 -47 SVO
10 9.4 2446121 1985-02-24 2446169 1985-04-13 -48 AAVSO
11 9.3 2446413 1985-12-13 2446463 1986-02-01 -50 SVO
12 8.8 2446701 1986-09-27 2446757 1986-11-22 -56 AAVSO
13 9.5 2447012 1987-08-04 2447050 1987-09-11 -38 SVO
14 9.2 2447300 1988-05-18 2447344 1988-07-01 -44 SVO
15 9.0 2447588 1989-03-02 2447637 1989-04-20 -49 SVO
16   2447884 1989-12-23 2447931 1990-02-08 -47 AAVSO
17   2448184 1990-10-19 2448225 1990-11-29 -41 AAVSO
18 8.9 2448475 1991-08-06 2448518 1991-09-18 -43 SVO
19 8.9 2448777 1992-06-03 2448812 1992-07-08 -35 SVO
20 9.4 2449079 1993-04-01 2449106 1993-04-28 -27 SVO
21   2449362 1994-01-09 2449399 1994-02-15 -37 AAVSO
22   2449662 1994-11-05 2449693 1994-12-06 -31 AAVSO
23   2449975 1995-09-14 2449986 1995-09-25 -11 AAVSO
24 9.6 2450268 1996-07-03 2450280 1996-07-15 -12 SVO
25 8.8 2450560 1997-04-21 2450574 1997-05-05 -14 SVO
26   2450851 1998-02-06 2450867 1998-02-22 -16 AAVSO
27   2451150 1998-12-02 2451161 1998-12-13 -11 AAVSO
28   2451453 1999-10-01 2451455 1999-10-03 -2 AAVSO
29 9.0 2451751 2000-07-25 2451748 2000-07-22 3 SVO
30 8.9 2452054 2001-05-24 2452042 2001-05-12 12 SVO
31 9.4 2452355 2002-03-21 2452335 2002-03-01 20 SVO
32   2452649 2003-01-09 2452629 2002-12-20 20 AAVSO
33 9.2 2452956 2003-11-12 2452923 2003-10-10 33 SVO
34   2453257 2004-09-08 2453216 2004-07-29 41 AAVSO
35 8.8 2453556 2005-07-04 2453510 2005-05-19 46 SVO
36 9.3 2453851 2006-04-25 2453804 2006-03-09 47 SVO
37 8.6 2454148 2007-02-16 2454097 2006-12-27 51 SVO
38 9.4 2454446 2007-12-11 2454391 2007-10-17 55 SVO
39 9.1 2454739 2008-09-29 2454684 2008-08-05 55 SVO
40 9.2 2455032 2009-07-19 2454978 2009-05-26 54 SVO
41 8.6 2455328 2010-05-11 2455272 2010-03-16 56 SVO
42 9.6 2455624 2011-03-03 2455565 2011-01-03 59 SVO
43   2455907 2011-12-11 2455859 2011-10-24 48 AAVSO
44 9.6 2456208 2012-10-07 2456153 2012-08-13 55 SVO
45 8.4 2456489 2013-07-15 2456446 2013-06-02 43 SVO
46 10.1 2456787 2014-05-09 2456740 2014-03-23 47 SVO
47 9.7 2457081 2015-02-27 2457033 2015-01-10 48 SVO
48 10.0 2457367 2015-12-10 2457327 2015-10-31 40 AAVSO
49 8.8 2457661 2016-09-29 2457621 2016-08-20 40 SVO
50 9.2 2457947 2017-07-12 2457914 2017-06-09 33 SVO
51 8.7 2458241 2018-05-02 2458208 2018-03-30 33 SVO
52   2458535 2019-02-20 2458502 2019-01-18 33 SVO
53   2458830 2019-12-12 2458795 2019-11-07 35 SVO
54 8.4 2459126 2020-10-03 2459089 2020-08-27 37 SVO
55 9.0 2459420 2021-07-24 2459383 2021-06-17 37 SVO
56 9.1 2459720 2022-05-20 2459676 2022-04-06 44 SVO
57 8.5 2460003 2023-02-27 2459970 2023-01-25 33 SVO
58 9.3 2460305 2023-12-26 2460263 2023-11-14 42 SVO
59 8.4 2460586 2024-10-02 2460557 2024-09-03 29 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.