Maxima for RR Cep
Period: 384.26, Epoch: 2443603.0
AAVSO offset: 2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-70   2416714 1904-08-21 2416705 1904-08-12 9 AAVSO
-68 10.5 2417480 1906-09-26 2417474 1906-09-20 6 AAVSO
-67 9.8 2417859 1907-10-10 2417858 1907-10-09 1 AAVSO
-66 9.9 2418223 1908-10-08 2418242 1908-10-27 -19 AAVSO
-65   2418621 1909-11-10 2418626 1909-11-15 -5 AAVSO
-64   2419005 1910-11-29 2419011 1910-12-05 -6 SVO
-63 10.6 2419385 1911-12-14 2419395 1911-12-24 -10 SVO
-62 10.4 2419768 1912-12-31 2419779 1913-01-11 -11 SVO
-61 9.7 2420133 1913-12-31 2420163 1914-01-30 -30 AAVSO
-60 10.4 2420530 1915-02-01 2420548 1915-02-19 -18 AAVSO
-59 10.6 2420921 1916-02-27 2420932 1916-03-09 -11 AAVSO
-58 10.1 2421293 1917-03-05 2421316 1917-03-28 -23 AAVSO
-57 10.1 2421678 1918-03-25 2421700 1918-04-16 -22 SVO
-56 9.3 2422054 1919-04-05 2422085 1919-05-06 -31 AAVSO
-55 10.3 2422456 1920-05-11 2422469 1920-05-24 -13 SVO
-54 9.9 2422844 1921-06-03 2422853 1921-06-12 -9 SVO
-53 10.2 2423238 1922-07-02 2423237 1922-07-01 1 SVO
-52 10.4 2423641 1923-08-09 2423622 1923-07-21 19 SVO
-51 10.2 2424032 1924-09-03 2424006 1924-08-08 26 SVO
-50 10.5 2424423 1925-09-29 2424390 1925-08-27 33 SVO
-49 9.8 2424814 1926-10-25 2424775 1926-09-16 39 SVO
-48 10.8 2425197 1927-11-12 2425159 1927-10-05 38 SVO
-47 10.5 2425586 1928-12-05 2425543 1928-10-23 43 SVO
-46 11.2 2425972 1929-12-26 2425927 1929-11-11 45 SVO
-45 10.1 2426350 1931-01-08 2426312 1930-12-01 38 SVO
-44 10.8 2426737 1932-01-30 2426696 1931-12-20 41 SVO
-43 10.1 2427122 1933-02-18 2427080 1933-01-07 42 AAVSO
-42 10.4 2427498 1934-03-01 2427464 1934-01-26 34 AAVSO
-41 9.7 2427885 1935-03-23 2427849 1935-02-15 36 SVO
-40 11.1 2428263 1936-04-04 2428233 1936-03-05 30 AAVSO
-39 9.4 2428644 1937-04-20 2428617 1937-03-24 27 AAVSO
-38 11.8 2429035 1938-05-16 2429001 1938-04-12 34 AAVSO
-37 11.1 2429401 1939-05-17 2429386 1939-05-02 15 AAVSO
-36   2429772 1940-05-22 2429770 1940-05-20 2 AAVSO
-35   2430148 1941-06-02 2430154 1941-06-08 -6 AAVSO
-34 10.0 2430528 1942-06-17 2430538 1942-06-27 -10 AAVSO
-33 9.3 2430908 1943-07-02 2430923 1943-07-17 -15 AAVSO
-32   2431290 1944-07-18 2431307 1944-08-04 -17 SVO
-31 10.3 2431671 1945-08-03 2431691 1945-08-23 -20 AAVSO
-30 10.7 2432056 1946-08-23 2432075 1946-09-11 -19 AAVSO
-29 10.0 2432436 1947-09-07 2432460 1947-10-01 -24 SVO
-28 10.1 2432818 1948-09-23 2432844 1948-10-19 -26 SVO
-27 10.5 2433203 1949-10-13 2433228 1949-11-07 -25 SVO
-26 10.5 2433593 1950-11-07 2433612 1950-11-26 -19 SVO
-25 9.6 2433963 1951-11-12 2433997 1951-12-16 -34 SVO
-24 11.0 2434359 1952-12-12 2434381 1953-01-03 -22 SVO
-23 10.9 2434750 1954-01-07 2434765 1954-01-22 -15 SVO
-22 10.1 2435136 1955-01-28 2435149 1955-02-10 -13 SVO
-21 10.7 2435521 1956-02-17 2435534 1956-03-01 -13 AAVSO
-20 10.6 2435915 1957-03-17 2435918 1957-03-20 -3 SVO
-19 10.5 2436308 1958-04-14 2436302 1958-04-08 6 SVO
-18 10.0 2436685 1959-04-26 2436686 1959-04-27 -1 SVO
-17 10.4 2437066 1960-05-11 2437071 1960-05-16 -5 SVO
-16 10.8 2437452 1961-06-01 2437455 1961-06-04 -3 AAVSO
-15 9.9 2437816 1962-05-31 2437839 1962-06-23 -23 SVO
-14 10.0 2438211 1963-06-30 2438223 1963-07-12 -12 AAVSO
-13 10.7 2438597 1964-07-20 2438608 1964-07-31 -11 AAVSO
-12 10.8 2438977 1965-08-04 2438992 1965-08-19 -15 AAVSO
-11 9.8 2439352 1966-08-14 2439376 1966-09-07 -24 SVO
-10 10.1 2439736 1967-09-02 2439760 1967-09-26 -24 SVO
-9 10.1 2440117 1968-09-17 2440145 1968-10-15 -28 SVO
-8 11.0 2440500 1969-10-05 2440529 1969-11-03 -29 SVO
-7 10.2 2440892 1970-11-01 2440913 1970-11-22 -21 SVO
-6 9.9 2441257 1971-11-01 2441297 1971-12-11 -40 SVO
-5 10.0 2441656 1972-12-04 2441682 1972-12-30 -26 SVO
-4 10.1 2442042 1973-12-25 2442066 1974-01-18 -24 SVO
-3 10.6 2442427 1975-01-14 2442450 1975-02-06 -23 SVO
-2 9.8 2442826 1976-02-17 2442835 1976-02-26 -9 SVO
-1 10.9 2443217 1977-03-14 2443219 1977-03-16 -2 SVO
0 10.2 2443608 1978-04-09 2443603 1978-04-04 5 SVO
1 10.4 2443996 1979-05-02 2443987 1979-04-23 9 SVO
2 10.0 2444382 1980-05-22 2444372 1980-05-12 10 SVO
3 10.7 2444766 1981-06-10 2444756 1981-05-31 10 SVO
4 10.6 2445156 1982-07-05 2445140 1982-06-19 16 SVO
5 9.9 2445533 1983-07-17 2445524 1983-07-08 9 SVO
6 10.1 2445930 1984-08-17 2445909 1984-07-27 21 SVO
7 10.6 2446306 1985-08-28 2446293 1985-08-15 13 SVO
8 9.9 2446694 1986-09-20 2446677 1986-09-03 17 SVO
9 10.8 2447088 1987-10-19 2447061 1987-09-22 27 SVO
10 10.2 2447485 1988-11-19 2447446 1988-10-11 39 SVO
11 10.5 2447855 1989-11-24 2447830 1989-10-30 25 SVO
12 9.8 2448239 1990-12-13 2448214 1990-11-18 25 SVO
13 11.1 2448617 1991-12-26 2448598 1991-12-07 19 SVO
14 10.1 2449004 1993-01-16 2448983 1992-12-26 21 SVO
15 10.9 2449387 1994-02-03 2449367 1994-01-14 20 SVO
16 10.0 2449767 1995-02-18 2449751 1995-02-02 16 SVO
17 10.3 2450150 1996-03-07 2450135 1996-02-21 15 SVO
18 10.0 2450525 1997-03-17 2450520 1997-03-12 5 SVO
19 11.1 2450904 1998-03-31 2450904 1998-03-31 0 SVO
20 9.9 2451280 1999-04-11 2451288 1999-04-19 -8 SVO
21 11.1 2451675 2000-05-10 2451672 2000-05-07 3 SVO
22 10.6 2452053 2001-05-23 2452057 2001-05-27 -4 SVO
23 9.8 2452432 2002-06-06 2452441 2002-06-15 -9 SVO
24 10.7 2452811 2003-06-20 2452825 2003-07-04 -14 SVO
25 10.2 2453193 2004-07-06 2453209 2004-07-22 -16 SVO
26 10.4 2453579 2005-07-27 2453594 2005-08-11 -15 SVO
27 10.0 2453957 2006-08-09 2453978 2006-08-30 -21 SVO
28 10.1 2454337 2007-08-24 2454362 2007-09-18 -25 SVO
29 10.1 2454726 2008-09-16 2454746 2008-10-06 -20 SVO
30 9.9 2455102 2009-09-27 2455131 2009-10-26 -29 SVO
31 9.9 2455486 2010-10-16 2455515 2010-11-14 -29 SVO
32 9.9 2455882 2011-11-16 2455899 2011-12-03 -17 SVO
33 10.6 2456272 2012-12-10 2456283 2012-12-21 -11 SVO
34 10.3 2456663 2014-01-05 2456668 2014-01-10 -5 SVO
35 10.5 2457044 2015-01-21 2457052 2015-01-29 -8 SVO
36 10.1 2457440 2016-02-21 2457436 2016-02-17 4 SVO
37 10.6 2457832 2017-03-19 2457820 2017-03-07 12 SVO
38 9.9 2458221 2018-04-12 2458205 2018-03-27 16 SVO
39 10.0 2458618 2019-05-14 2458589 2019-04-15 29 SVO
40 11.2 2459001 2020-05-31 2458973 2020-05-03 28 SVO
41 10.3 2459384 2021-06-18 2459357 2021-05-22 27 SVO
42 11.1 2459777 2022-07-16 2459742 2022-06-11 35 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.