Maxima for R Oct
Period: 405.46, Epoch: 2441991.3
AAVSO offset: -1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-76   2411134 1889-05-11 2411176 1889-06-22 -42 AnHar, 1909, vol 55, p 95
-75   2411573 1890-07-24 2411582 1890-08-02 -9 AnHar, 1909, vol 55, p 95
-74   2411989 1891-09-13 2411987 1891-09-11 2 AnHar, 1909, vol 55, p 95
-72   2412827 1893-12-29 2412798 1893-11-30 29 AnHar, 1909, vol 55, p 95
-71   2413232 1895-02-07 2413204 1895-01-10 28 AnHar, 1909, vol 55, p 95
-70   2413612 1896-02-22 2413609 1896-02-19 3 AnHar, 1909, vol 55, p 95
-69   2414034 1897-04-19 2414015 1897-03-31 19 AnHar, 1909, vol 55, p 95
-68   2414444 1898-06-03 2414420 1898-05-10 24 AnHar, 1909, vol 55, p 95
-67 7.0 2414844 1899-07-08 2414825 1899-06-19 19 SVO
-66 8.4 2415256 1900-08-24 2415231 1900-07-30 25 SVO
-65 7.9 2415665 1901-10-07 2415636 1901-09-08 29 SVO
-64 7.8 2416069 1902-11-15 2416042 1902-10-19 27 SVO
-63   2416455 1903-12-06 2416447 1903-11-28 8 AnHar, 1952, vol 115
-62   2416865 1905-01-19 2416853 1905-01-07 12 AnHar, 1952, vol 115
-61   2417270 1906-02-28 2417258 1906-02-16 12 AnHar, 1952, vol 115
-59 7.6 2418065 1908-05-03 2418069 1908-05-07 -4 SVO
-58   2418472 1909-06-14 2418475 1909-06-17 -3 AnHar, 1952, vol 115
-57 8.1 2418878 1910-07-25 2418880 1910-07-27 -2 SVO
-56 7.5 2419281 1911-09-01 2419286 1911-09-06 -5 SVO
-55 7.1 2419682 1912-10-06 2419691 1912-10-15 -9 SVO
-52   2420920 1916-02-26 2420907 1916-02-13 13 SVO
-51   2421327 1917-04-08 2421313 1917-03-25 14 SVO
-50 8.0 2421730 1918-05-16 2421718 1918-05-04 12 SVO
-49 7.7 2422131 1919-06-21 2422124 1919-06-14 7 SVO
-48 8.8 2422543 1920-08-06 2422529 1920-07-23 14 SVO
-47 8.0 2422943 1921-09-10 2422935 1921-09-02 8 SVO
-46 8.7 2423351 1922-10-23 2423340 1922-10-12 11 SVO
-45 7.6 2423745 1923-11-21 2423746 1923-11-22 -1 SVO
-44 8.2 2424154 1925-01-03 2424151 1924-12-31 3 SVO
-43 7.9 2424560 1926-02-13 2424556 1926-02-09 4 SVO
-42 8.3 2424971 1927-03-31 2424962 1927-03-22 9 SVO
-41 7.5 2425375 1928-05-08 2425367 1928-04-30 8 SVO
-40 8.3 2425778 1929-06-15 2425773 1929-06-10 5 SVO
-39 8.0 2426181 1930-07-23 2426178 1930-07-20 3 SVO
-38 7.9 2426583 1931-08-29 2426584 1931-08-30 -1 SVO
-37 7.9 2426997 1932-10-16 2426989 1932-10-08 8 SVO
-36 7.9 2427397 1933-11-20 2427395 1933-11-18 2 SVO
-35 7.9 2427799 1934-12-27 2427800 1934-12-28 -1 SVO
-34 8.2 2428200 1936-02-01 2428206 1936-02-07 -6 SVO
-33 8.3 2428609 1937-03-16 2428611 1937-03-18 -2 SVO
-32 8.1 2429020 1938-05-01 2429017 1938-04-28 3 SVO
-31 8.2 2429429 1939-06-14 2429422 1939-06-07 7 SVO
-30 7.4 2429822 1940-07-11 2429827 1940-07-16 -5 SVO
-29 9.1 2430234 1941-08-27 2430233 1941-08-26 1 AAVSO
-28 8.2 2430636 1942-10-03 2430638 1942-10-05 -2 SVO
-27 8.5 2431051 1943-11-22 2431044 1943-11-15 7 SVO
-26 7.8 2431451 1944-12-26 2431449 1944-12-24 2 SVO
-25 7.6 2431842 1946-01-21 2431855 1946-02-03 -13 SVO
-24 8.7 2432245 1947-02-28 2432260 1947-03-15 -15 SVO
-23 8.0 2432647 1948-04-05 2432666 1948-04-24 -19 SVO
-22 8.4 2433047 1949-05-10 2433071 1949-06-03 -24 SVO
-21 8.3 2433448 1950-06-15 2433477 1950-07-14 -29 SVO
-20 8.0 2433844 1951-07-16 2433882 1951-08-23 -38 SVO
-19 8.6 2434254 1952-08-29 2434288 1952-10-02 -34 SVO
-18 7.6 2434655 1953-10-04 2434693 1953-11-11 -38 SVO
-17 8.3 2435057 1954-11-10 2435098 1954-12-21 -41 SVO
-16 7.9 2435467 1955-12-25 2435504 1956-01-31 -37 SVO
-15 8.5 2435880 1957-02-10 2435909 1957-03-11 -29 SVO
-14 8.0 2436298 1958-04-04 2436315 1958-04-21 -17 SVO
-13 7.8 2436689 1959-04-30 2436720 1959-05-31 -31 SVO
-12 8.1 2437105 1960-06-19 2437126 1960-07-10 -21 SVO
-11 7.6 2437505 1961-07-24 2437531 1961-08-19 -26 SVO
-10 8.5 2437925 1962-09-17 2437937 1962-09-29 -12 SVO
-9 8.1 2438332 1963-10-29 2438342 1963-11-08 -10 SVO
-8 8.0 2438736 1964-12-06 2438748 1964-12-18 -12 SVO
-7 7.7 2439144 1966-01-18 2439153 1966-01-27 -9 SVO
-6 8.5 2439549 1967-02-27 2439559 1967-03-09 -10 SVO
-5 8.1 2439962 1968-04-15 2439964 1968-04-17 -2 SVO
-4 7.9 2440364 1969-05-22 2440369 1969-05-27 -5 SVO
-3 8.3 2440770 1970-07-02 2440775 1970-07-07 -5 SVO
-2 7.8 2441172 1971-08-08 2441180 1971-08-16 -8 SVO
-1 8.3 2441573 1972-09-12 2441586 1972-09-25 -13 SVO
0 7.4 2441979 1973-10-23 2441991 1973-11-04 -12 SVO
1 8.6 2442386 1974-12-04 2442397 1974-12-15 -11 SVO
2 9.4 2442779 1976-01-01 2442802 1976-01-24 -23 AAVSO
3 7.6 2443189 1977-02-14 2443208 1977-03-05 -19 AAVSO
4 8.3 2443593 1978-03-25 2443613 1978-04-14 -20 SVO
5 7.9 2444011 1979-05-17 2444019 1979-05-25 -8 SVO
6 8.1 2444417 1980-06-26 2444424 1980-07-03 -7 SVO
7 7.8 2444831 1981-08-14 2444830 1981-08-13 1 SVO
8 8.0 2445218 1982-09-05 2445235 1982-09-22 -17 SVO
9 8.2 2445631 1983-10-23 2445640 1983-11-01 -9 SVO
10 7.9 2446028 1984-11-23 2446046 1984-12-11 -18 SVO
11 8.1 2446438 1986-01-07 2446451 1986-01-20 -13 SVO
12 7.7 2446840 1987-02-13 2446857 1987-03-02 -17 SVO
13 8.5 2447240 1988-03-19 2447262 1988-04-10 -22 SVO
14 7.4 2447640 1989-04-23 2447668 1989-05-21 -28 SVO
15 7.9 2448049 1990-06-06 2448073 1990-06-30 -24 SVO
16 8.4 2448462 1991-07-24 2448479 1991-08-10 -17 SVO
17 7.6 2448871 1992-09-05 2448884 1992-09-18 -13 SVO
18 8.3 2449287 1993-10-26 2449290 1993-10-29 -3 SVO
19 7.8 2449694 1994-12-07 2449695 1994-12-08 -1 SVO
20 8.3 2450110 1996-01-27 2450101 1996-01-18 9 SVO
21 7.5 2450520 1997-03-12 2450506 1997-02-26 14 SVO
22 8.4 2450933 1998-04-29 2450911 1998-04-07 22 SVO
23 8.0 2451356 1999-06-26 2451317 1999-05-18 39 SVO
24 8.5 2451768 2000-08-11 2451722 2000-06-26 46 SVO
25 7.9 2452174 2001-09-21 2452128 2001-08-06 46 SVO
26 7.7 2452584 2002-11-05 2452533 2002-09-15 51 SVO
27 7.4 2452985 2003-12-11 2452939 2003-10-26 46 SVO
28 7.1 2453392 2005-01-21 2453344 2004-12-04 48 SVO
29 8.4 2453799 2006-03-04 2453750 2006-01-14 49 SVO
30 7.7 2454204 2007-04-13 2454155 2007-02-23 49 SVO
31 7.7 2454610 2008-05-23 2454561 2008-04-04 49 SVO
32 8.4 2455012 2009-06-29 2454966 2009-05-14 46 SVO
33 7.4 2455418 2010-08-09 2455372 2010-06-24 46 SVO
34   2455827 2011-09-22 2455777 2011-08-03 50 AAVSO
35 8.0 2456229 2012-10-28 2456182 2012-09-11 47 SVO
36 8.3 2456629 2013-12-02 2456588 2013-10-22 41 AAVSO
37 8.0 2457016 2014-12-24 2456993 2014-12-01 23 SVO
38 7.4 2457400 2016-01-12 2457399 2016-01-11 1 SVO
39 7.6 2457795 2017-02-10 2457804 2017-02-19 -9 SVO
40 7.9 2458207 2018-03-29 2458210 2018-04-01 -3 SVO
41 7.9 2458595 2019-04-21 2458615 2019-05-11 -20 SVO
42 7.4 2458988 2020-05-18 2459021 2020-06-20 -33 SVO
43 8.4 2459391 2021-06-25 2459426 2021-07-30 -35 SVO
44 8.1 2459800 2022-08-08 2459832 2022-09-09 -32 SVO
45 7.9 2460192 2023-09-04 2460237 2023-10-19 -45 SVO
46 7.7 2460590 2024-10-06 2460642 2024-11-27 -52 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.