Maxima for RR Oph
Period: 293.60, Epoch: 2443231.9
AAVSO offset: 2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-159   2396565 1849-06-21 2396549 1849-06-05 16 AnHar, 1909, vol 55, p 95
-114   2409711 1885-06-18 2409761 1885-08-07 -50 AnHar, 1909, vol 55, p 95
-110   2410933 1888-10-22 2410936 1888-10-25 -3 GuL, 1920, 1.2
-102   2413310 1895-04-26 2413284 1895-03-31 26 SVO
-99   2414190 1897-09-22 2414165 1897-08-28 25 SVO
-98   2414490 1898-07-19 2414459 1898-06-18 31 AnHar, 1909, vol 55, p 95
-97   2414778 1899-05-03 2414752 1899-04-07 26 AnHar, 1909, vol 55, p 95
-94   2415640 1901-09-12 2415633 1901-09-05 7 SVO
-93   2415930 1902-06-29 2415927 1902-06-26 3 SVO
-92   2416230 1903-04-25 2416220 1903-04-15 10 SVO
-89   2417121 1905-10-02 2417101 1905-09-12 20 AAVSO
-88 9.0 2417396 1906-07-04 2417395 1906-07-03 1 AAVSO
-87   2417690 1907-04-24 2417688 1907-04-22 2 AAVSO
-86   2417986 1908-02-14 2417982 1908-02-10 4 AAVSO
-84 8.3 2418589 1909-10-09 2418569 1909-09-19 20 AAVSO
-83   2418852 1910-06-29 2418863 1910-07-10 -11 SVO
-82   2419160 1911-05-03 2419156 1911-04-29 4 SVO
-79 8.3 2420030 1913-09-19 2420037 1913-09-26 -7 AAVSO
-78 8.5 2420332 1914-07-18 2420331 1914-07-17 1 AAVSO
-77 8.2 2420624 1915-05-06 2420624 1915-05-06 0 AAVSO
-76 8.5 2420910 1916-02-16 2420918 1916-02-24 -8 AAVSO
-75   2421232 1917-01-03 2421212 1916-12-14 20 AAVSO
-74   2421526 1917-10-24 2421505 1917-10-03 21 AAVSO
-73 8.2 2421804 1918-07-29 2421799 1918-07-24 5 SVO
-72 8.6 2422108 1919-05-29 2422093 1919-05-14 15 AAVSO
-71 9.2 2422420 1920-04-05 2422386 1920-03-02 34 AAVSO
-70   2422710 1921-01-20 2422680 1920-12-21 30 AAVSO
-69 8.5 2423002 1921-11-08 2422973 1921-10-10 29 AAVSO
-68 9.0 2423289 1922-08-22 2423267 1922-07-31 22 SVO
-67 8.2 2423575 1923-06-04 2423561 1923-05-21 14 SVO
-66 9.7 2423871 1924-03-26 2423854 1924-03-09 17 AAVSO
-65 9.0 2424156 1925-01-05 2424148 1924-12-28 8 AAVSO
-64   2424462 1925-11-07 2424441 1925-10-17 21 AAVSO
-63 8.7 2424747 1926-08-19 2424735 1926-08-07 12 SVO
-62 8.6 2425041 1927-06-09 2425029 1927-05-28 12 SVO
-61 9.2 2425339 1928-04-02 2425322 1928-03-16 17 SVO
-60 8.6 2425637 1929-01-25 2425616 1929-01-04 21 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 2426497 1931-06-04 20 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 2427965 1935-06-11 11 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 2431781 1945-11-21 15 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 2433249 1949-11-28 8 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 2434130 1952-04-27 6 SVO
-30 8.3 2434423 1953-02-14 2434424 1953-02-15 -1 AAVSO
-29 8.1 2434716 1953-12-04 2434717 1953-12-05 -1 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 2435598 1956-05-04 5 SVO
-25 8.4 2435898 1957-02-28 2435892 1957-02-22 6 AAVSO
-24   2436180 1957-12-07 2436185 1957-12-12 -5 AAVSO
-23 8.8 2436464 1958-09-17 2436479 1958-10-02 -15 AAVSO
-22 8.4 2436757 1959-07-07 2436773 1959-07-23 -16 SVO
-21 9.0 2437046 1960-04-21 2437066 1960-05-11 -20 SVO
-20 8.7 2437351 1961-02-20 2437360 1961-03-01 -9 SVO
-19 8.8 2437645 1961-12-11 2437653 1961-12-19 -8 SVO
-18 9.3 2437924 1962-09-16 2437947 1962-10-09 -23 AAVSO
-17 8.4 2438213 1963-07-02 2438241 1963-07-30 -28 SVO
-16 9.2 2438505 1964-04-19 2438534 1964-05-18 -29 SVO
-15 9.1 2438799 1965-02-07 2438828 1965-03-08 -29 AAVSO
-14 9.3 2439085 1965-11-20 2439121 1965-12-26 -36 AAVSO
-13 9.0 2439380 1966-09-11 2439415 1966-10-16 -35 AAVSO
-12 8.7 2439662 1967-06-20 2439709 1967-08-06 -47 SVO
-11 8.7 2439958 1968-04-11 2440002 1968-05-25 -44 SVO
-10 8.2 2440254 1969-02-01 2440296 1969-03-15 -42 AAVSO
-9   2440544 1969-11-18 2440589 1970-01-02 -45 AAVSO
-8 8.7 2440839 1970-09-09 2440883 1970-10-23 -44 SVO
-7 9.6 2441124 1971-06-21 2441177 1971-08-13 -53 SVO
-6 9.0 2441412 1972-04-04 2441470 1972-06-01 -58 AAVSO
-5 9.6 2441702 1973-01-19 2441764 1973-03-22 -62 AAVSO
-4 8.8 2441998 1973-11-11 2442057 1974-01-09 -59 SVO
-3 9.3 2442298 1974-09-07 2442351 1974-10-30 -53 AAVSO
-2 8.9 2442590 1975-06-26 2442645 1975-08-20 -55 SVO
-1 9.4 2442881 1976-04-12 2442938 1976-06-08 -57 SVO
0 9.3 2443179 1977-02-04 2443232 1977-03-29 -53 AAVSO
1   2443471 1977-11-23 2443525 1978-01-16 -54 AAVSO
2 9.7 2443767 1978-09-15 2443819 1978-11-06 -52 AAVSO
3 9.0 2444063 1979-07-08 2444113 1979-08-27 -50 SVO
4 8.7 2444352 1980-04-22 2444406 1980-06-15 -54 SVO
5 10.5 2444650 1981-02-14 2444700 1981-04-05 -50 AAVSO
6 11.0 2444942 1981-12-03 2444993 1982-01-23 -51 AAVSO
7 9.4 2445247 1982-10-04 2445287 1982-11-13 -40 AAVSO
8 9.2 2445541 1983-07-25 2445581 1983-09-03 -40 SVO
9 8.7 2445829 1984-05-08 2445874 1984-06-22 -45 SVO
10 9.4 2446121 1985-02-24 2446168 1985-04-12 -47 AAVSO
11 9.3 2446413 1985-12-13 2446461 1986-01-30 -48 SVO
12 8.8 2446701 1986-09-27 2446755 1986-11-20 -54 AAVSO
13 9.5 2447012 1987-08-04 2447049 1987-09-10 -37 SVO
14 9.2 2447300 1988-05-18 2447342 1988-06-29 -42 SVO
15 9.0 2447588 1989-03-02 2447636 1989-04-19 -48 SVO
16   2447884 1989-12-23 2447929 1990-02-06 -45 AAVSO
17   2448184 1990-10-19 2448223 1990-11-27 -39 AAVSO
18 8.9 2448475 1991-08-06 2448517 1991-09-17 -42 SVO
19 8.9 2448777 1992-06-03 2448810 1992-07-06 -33 SVO
20 9.4 2449079 1993-04-01 2449104 1993-04-26 -25 SVO
21   2449362 1994-01-09 2449398 1994-02-14 -36 AAVSO
22   2449662 1994-11-05 2449691 1994-12-04 -29 AAVSO
23   2449975 1995-09-14 2449985 1995-09-24 -10 AAVSO
24 9.6 2450268 1996-07-03 2450278 1996-07-13 -10 SVO
25 8.8 2450560 1997-04-21 2450572 1997-05-03 -12 SVO
26   2450851 1998-02-06 2450866 1998-02-21 -15 AAVSO
27   2451150 1998-12-02 2451159 1998-12-11 -9 AAVSO
28   2451453 1999-10-01 2451453 1999-10-01 0 AAVSO
29 9.0 2451751 2000-07-25 2451746 2000-07-20 5 SVO
30 8.9 2452054 2001-05-24 2452040 2001-05-10 14 SVO
31 9.4 2452355 2002-03-21 2452334 2002-02-28 21 SVO
32   2452649 2003-01-09 2452627 2002-12-18 22 AAVSO
33 9.2 2452956 2003-11-12 2452921 2003-10-08 35 SVO
34   2453257 2004-09-08 2453214 2004-07-27 43 AAVSO
35 8.8 2453556 2005-07-04 2453508 2005-05-17 48 SVO
36 9.3 2453851 2006-04-25 2453802 2006-03-07 49 SVO
37 8.6 2454148 2007-02-16 2454095 2006-12-25 53 SVO
38 9.4 2454446 2007-12-11 2454389 2007-10-15 57 SVO
39 9.1 2454739 2008-09-29 2454682 2008-08-03 57 SVO
40 9.2 2455032 2009-07-19 2454976 2009-05-24 56 SVO
41 8.6 2455328 2010-05-11 2455270 2010-03-14 58 SVO
42 9.6 2455624 2011-03-03 2455563 2011-01-01 61 SVO
43   2455907 2011-12-11 2455857 2011-10-22 50 AAVSO
44 9.6 2456208 2012-10-07 2456150 2012-08-10 58 SVO
45 8.4 2456489 2013-07-15 2456444 2013-05-31 45 SVO
46 10.1 2456787 2014-05-09 2456738 2014-03-21 49 SVO
47 9.7 2457081 2015-02-27 2457031 2015-01-08 50 SVO
48 10.0 2457367 2015-12-10 2457325 2015-10-29 42 AAVSO
49 8.8 2457661 2016-09-29 2457618 2016-08-17 43 SVO
50 9.2 2457947 2017-07-12 2457912 2017-06-07 35 SVO
51 8.7 2458241 2018-05-02 2458206 2018-03-28 35 SVO
52   2458535 2019-02-20 2458499 2019-01-15 36 SVO
53   2458830 2019-12-12 2458793 2019-11-05 37 SVO
54 8.4 2459126 2020-10-03 2459086 2020-08-24 40 SVO
55 9.0 2459420 2021-07-24 2459380 2021-06-14 40 SVO
56 9.1 2459720 2022-05-20 2459674 2022-04-04 46 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.