Maxima for R Ret
Period: 278.31, Epoch: 2441707.2
AAVSO offset: 4

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-143   2401907 1864-02-05 2401908 1864-02-06 -1 PLPla, 1950, vol 26, p 5
-139   2403019 1867-02-21 2403022 1867-02-24 -3 GuL, 1918, 1.1, PLPla, 1950, vol 26, p 5
-138   2403306 1867-12-05 2403300 1867-11-29 6 GuL, 1918, 1.1
-134   2404398 1870-12-01 2404413 1870-12-16 -15 GuL, 1918, 1.1
-130   2405544 1874-01-20 2405527 1874-01-03 17 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-125   2406930 1877-11-06 2406918 1877-10-25 12 AnHar, 1909, vol 55, p 95
-107   2411985 1891-09-09 2411928 1891-07-14 57 SVO
-106   2412265 1892-06-15 2412206 1892-04-17 59 AnHar, 1909, vol 55, p 95
-104   2412815 1893-12-17 2412763 1893-10-26 52 SVO
-103 7.2 2413088 1894-09-16 2413041 1894-07-31 47 SVO
-102   2413375 1895-06-30 2413319 1895-05-05 56 SVO
-101 7.4 2413648 1896-03-29 2413598 1896-02-08 50 SVO
-100   2413930 1897-01-05 2413876 1896-11-12 54 SVO
-99   2414183 1897-09-15 2414154 1897-08-17 29 SVO
-97 7.6 2414748 1899-04-03 2414711 1899-02-25 37 SVO
-96 7.4 2415024 1900-01-04 2414989 1899-11-30 35 SVO
-95 6.8 2415300 1900-10-07 2415267 1900-09-04 33 SVO
-94 6.6 2415569 1901-07-03 2415546 1901-06-10 23 SVO
-93 7.0 2415843 1902-04-03 2415824 1902-03-15 19 SVO
-92 6.7 2416117 1903-01-02 2416102 1902-12-18 15 SVO
-91 7.1 2416399 1903-10-11 2416381 1903-09-23 18 SVO
-90 7.1 2416672 1904-07-10 2416659 1904-06-27 13 SVO
-89   2416951 1905-04-15 2416937 1905-04-01 14 BHarO, 1926, no 841, p 9
-88   2417225 1906-01-14 2417216 1906-01-05 9 AnHar, 1952, vol 115, BHarO, 1926, no 841, p 9
-87   2417508 1906-10-24 2417494 1906-10-10 14 AnHar, 1952, vol 115, BHarO, 1926, no 841, p 9
-86 6.8 2417788 1907-07-31 2417772 1907-07-15 16 SVO
-85 7.2 2418073 1908-05-11 2418051 1908-04-19 22 SVO
-84   2418346 1909-02-08 2418329 1909-01-22 17 BHarO, 1926, no 841, p 9
-83   2418613 1909-11-02 2418607 1909-10-27 6 AnHar, 1952, vol 115, BHarO, 1926, no 841, p 9
-82 6.8 2418899 1910-08-15 2418886 1910-08-02 13 SVO
-81 7.5 2419182 1911-05-25 2419164 1911-05-07 18 SVO
-80 7.3 2419473 1912-03-11 2419442 1912-02-09 31 SVO
-79 7.6 2419728 1912-11-21 2419720 1912-11-13 8 SVO
-78   2420015 1913-09-04 2419999 1913-08-19 16 SVO
-75 6.9 2420848 1915-12-16 2420834 1915-12-02 14 SVO
-74   2421115 1916-09-08 2421112 1916-09-05 3 SVO
-73   2421380 1917-05-31 2421390 1917-06-10 -10 SVO
-72   2421658 1918-03-05 2421669 1918-03-16 -11 BHarO, 1926, no 841, p 9
-71 7.3 2421940 1918-12-12 2421947 1918-12-19 -7 SVO
-70 7.7 2422213 1919-09-11 2422225 1919-09-23 -12 SVO
-69 7.6 2422483 1920-06-07 2422504 1920-06-28 -21 SVO
-68 7.7 2422762 1921-03-13 2422782 1921-04-02 -20 SVO
-67 8.0 2423042 1921-12-18 2423060 1922-01-05 -18 SVO
-66   2423316 1922-09-18 2423339 1922-10-11 -23 SVO
-65 8.2 2423594 1923-06-23 2423617 1923-07-16 -23 SVO
-64 7.5 2423870 1924-03-25 2423895 1924-04-19 -25 SVO
-63 7.4 2424147 1924-12-27 2424174 1925-01-23 -27 SVO
-62 7.8 2424422 1925-09-28 2424452 1925-10-28 -30 SVO
-61 8.1 2424704 1926-07-07 2424730 1926-08-02 -26 SVO
-60 7.1 2424975 1927-04-04 2425008 1927-05-07 -33 SVO
-59 7.8 2425255 1928-01-09 2425287 1928-02-10 -32 SVO
-58 7.9 2425538 1928-10-18 2425565 1928-11-14 -27 SVO
-57 7.3 2425812 1929-07-19 2425843 1929-08-19 -31 SVO
-56 8.2 2426100 1930-05-03 2426122 1930-05-25 -22 SVO
-55 7.5 2426374 1931-02-01 2426400 1931-02-27 -26 SVO
-54 7.5 2426654 1931-11-08 2426678 1931-12-02 -24 SVO
-53 7.8 2426931 1932-08-11 2426957 1932-09-06 -26 SVO
-52 7.5 2427213 1933-05-20 2427235 1933-06-11 -22 SVO
-51 7.5 2427486 1934-02-17 2427513 1934-03-16 -27 SVO
-50 7.7 2427767 1934-11-25 2427792 1934-12-20 -25 SVO
-49 7.5 2428049 1935-09-03 2428070 1935-09-24 -21 SVO
-48 8.5 2428332 1936-06-12 2428348 1936-06-28 -16 SVO
-47 7.6 2428606 1937-03-13 2428627 1937-04-03 -21 SVO
-46 7.9 2428891 1937-12-23 2428905 1938-01-06 -14 SVO
-45 8.0 2429173 1938-10-01 2429183 1938-10-11 -10 SVO
-44 7.5 2429443 1939-06-28 2429461 1939-07-16 -18 SVO
-43 7.2 2429722 1940-04-02 2429740 1940-04-20 -18 SVO
-42 7.9 2430008 1941-01-13 2430018 1941-01-23 -10 SVO
-41 7.9 2430288 1941-10-20 2430296 1941-10-28 -8 SVO
-40 7.7 2430559 1942-07-18 2430575 1942-08-03 -16 SVO
-39 7.9 2430841 1943-04-26 2430853 1943-05-08 -12 SVO
-38 7.3 2431119 1944-01-29 2431131 1944-02-10 -12 SVO
-37 7.8 2431396 1944-11-01 2431410 1944-11-15 -14 SVO
-36 8.0 2431677 1945-08-09 2431688 1945-08-20 -11 SVO
-35 7.2 2431949 1946-05-08 2431966 1946-05-25 -17 SVO
-34 7.8 2432228 1947-02-11 2432245 1947-02-28 -17 SVO
-33 7.8 2432513 1947-11-23 2432523 1947-12-03 -10 SVO
-32 8.6 2432799 1948-09-04 2432801 1948-09-06 -2 SVO
-31 7.6 2433076 1949-06-08 2433080 1949-06-12 -4 SVO
-30 8.3 2433358 1950-03-17 2433358 1950-03-17 0 SVO
-29 7.1 2433630 1950-12-14 2433636 1950-12-20 -6 SVO
-28 8.7 2433908 1951-09-18 2433914 1951-09-24 -6 SVO
-27 7.9 2434192 1952-06-28 2434193 1952-06-29 -1 SVO
-26 9.0 2434476 1953-04-08 2434471 1953-04-03 5 SVO
-25 7.8 2434749 1954-01-06 2434749 1954-01-06 0 SVO
-24 8.2 2435028 1954-10-12 2435028 1954-10-12 0 SVO
-23 7.2 2435290 1955-07-01 2435306 1955-07-17 -16 SVO
-22 9.4 2435582 1956-04-18 2435584 1956-04-20 -2 SVO
-21 8.4 2435856 1957-01-17 2435863 1957-01-24 -7 SVO
-20 8.6 2436137 1957-10-25 2436141 1957-10-29 -4 SVO
-19 8.0 2436418 1958-08-02 2436419 1958-08-03 -1 SVO
-18 8.1 2436702 1959-05-13 2436698 1959-05-09 4 SVO
-17 7.8 2436972 1960-02-07 2436976 1960-02-11 -4 SVO
-16 7.6 2437245 1960-11-06 2437254 1960-11-15 -9 SVO
-15 8.4 2437533 1961-08-21 2437533 1961-08-21 0 SVO
-14 7.7 2437807 1962-05-22 2437811 1962-05-26 -4 SVO
-13 7.6 2438089 1963-02-28 2438089 1963-02-28 0 SVO
-12 7.4 2438366 1963-12-02 2438367 1963-12-03 -1 SVO
-11 8.3 2438651 1964-09-12 2438646 1964-09-07 5 SVO
-10 8.3 2438926 1965-06-14 2438924 1965-06-12 2 SVO
-9 7.3 2439196 1966-03-11 2439202 1966-03-17 -6 SVO
-8 8.5 2439485 1966-12-25 2439481 1966-12-21 4 SVO
-7 8.0 2439754 1967-09-20 2439759 1967-09-25 -5 SVO
-6 8.2 2440035 1968-06-27 2440037 1968-06-29 -2 SVO
-5 6.9 2440305 1969-03-24 2440316 1969-04-04 -11 SVO
-4 8.2 2440586 1969-12-30 2440594 1970-01-07 -8 SVO
-3 8.3 2440867 1970-10-07 2440872 1970-10-12 -5 SVO
-2 7.7 2441143 1971-07-10 2441151 1971-07-18 -8 SVO
-1 7.6 2441418 1972-04-10 2441429 1972-04-21 -11 SVO
0 7.9 2441703 1973-01-20 2441707 1973-01-24 -4 SVO
1 7.3 2441971 1973-10-15 2441986 1973-10-30 -15 SVO
2 7.3 2442244 1974-07-15 2442264 1974-08-04 -20 SVO
3 7.7 2442528 1975-04-25 2442542 1975-05-09 -14 SVO
4 8.4 2442809 1976-01-31 2442820 1976-02-11 -11 SVO
5 8.1 2443090 1976-11-07 2443099 1976-11-16 -9 SVO
6 7.7 2443364 1977-08-08 2443377 1977-08-21 -13 SVO
7 7.5 2443639 1978-05-10 2443655 1978-05-26 -16 SVO
8 7.4 2443914 1979-02-09 2443934 1979-03-01 -20 SVO
9 7.5 2444187 1979-11-09 2444212 1979-12-04 -25 SVO
10 8.5 2444472 1980-08-20 2444490 1980-09-07 -18 SVO
11 8.3 2444746 1981-05-21 2444769 1981-06-13 -23 SVO
12 7.7 2445029 1982-02-28 2445047 1982-03-18 -18 SVO
13 7.7 2445308 1982-12-04 2445325 1982-12-21 -17 SVO
14 7.6 2445584 1983-09-06 2445604 1983-09-26 -20 SVO
15 7.5 2445858 1984-06-06 2445882 1984-06-30 -24 SVO
16 8.4 2446145 1985-03-20 2446160 1985-04-04 -15 SVO
17 7.9 2446425 1985-12-25 2446439 1986-01-08 -14 SVO
18 7.7 2446704 1986-09-30 2446717 1986-10-13 -13 SVO
19 7.6 2446977 1987-06-30 2446995 1987-07-18 -18 SVO
20 8.0 2447258 1988-04-06 2447273 1988-04-21 -15 SVO
21 7.7 2447548 1989-01-21 2447552 1989-01-25 -4 SVO
22 7.7 2447815 1989-10-15 2447830 1989-10-30 -15 SVO
23 7.2 2448085 1990-07-12 2448108 1990-08-04 -23 SVO
24 7.8 2448364 1991-04-17 2448387 1991-05-10 -23 SVO
25 8.0 2448645 1992-01-23 2448665 1992-02-12 -20 SVO
26 7.5 2448922 1992-10-26 2448943 1992-11-16 -21 SVO
27 7.4 2449188 1993-07-19 2449222 1993-08-22 -34 SVO
28 7.4 2449461 1994-04-18 2449500 1994-05-27 -39 SVO
29 7.5 2449743 1995-01-25 2449778 1995-03-01 -35 SVO
30 7.9 2450027 1995-11-05 2450057 1995-12-05 -30 SVO
31 8.0 2450307 1996-08-11 2450335 1996-09-08 -28 SVO
32 7.2 2450589 1997-05-20 2450613 1997-06-13 -24 SVO
33 8.2 2450866 1998-02-21 2450892 1998-03-19 -26 SVO
34 7.2 2451135 1998-11-17 2451170 1998-12-22 -35 SVO
35 7.6 2451416 1999-08-25 2451448 1999-09-26 -32 SVO
36 7.6 2451705 2000-06-09 2451726 2000-06-30 -21 SVO
37 8.1 2451988 2001-03-19 2452005 2001-04-05 -17 SVO
38 7.1 2452271 2001-12-27 2452283 2002-01-08 -12 SVO
39 8.5 2452555 2002-10-07 2452561 2002-10-13 -6 SVO
40 7.8 2452840 2003-07-19 2452840 2003-07-19 0 SVO
41 8.1 2453117 2004-04-21 2453118 2004-04-22 -1 SVO
42 6.8 2453390 2005-01-19 2453396 2005-01-25 -6 SVO
43 8.0 2453675 2005-10-31 2453675 2005-10-31 0 SVO
44 7.8 2453957 2006-08-09 2453953 2006-08-05 4 SVO
45 7.9 2454241 2007-05-20 2454231 2007-05-10 10 SVO
46 7.3 2454528 2008-03-02 2454510 2008-02-13 18 SVO
47 7.5 2454806 2008-12-05 2454788 2008-11-17 18 SVO
48 7.0 2455086 2009-09-11 2455066 2009-08-22 20 SVO
49 7.6 2455356 2010-06-08 2455345 2010-05-28 11 AAVSO
50 7.1 2455646 2011-03-25 2455623 2011-03-02 23 SVO
51 7.5 2455931 2012-01-04 2455901 2011-12-05 30 SVO
52 7.6 2456216 2012-10-15 2456179 2012-09-08 37 SVO
53 8.2 2456497 2013-07-23 2456458 2013-06-14 39 AAVSO
54 7.7 2456784 2014-05-06 2456736 2014-03-19 48 SVO
55 7.7 2457051 2015-01-28 2457014 2014-12-22 37 SVO
56 7.4 2457334 2015-11-07 2457293 2015-09-27 41 SVO
57 7.7 2457617 2016-08-16 2457571 2016-07-01 46 SVO
58 7.6 2457882 2017-05-08 2457849 2017-04-05 33 SVO
59 7.5 2458163 2018-02-13 2458128 2018-01-09 35 SVO
60 7.6 2458451 2018-11-28 2458406 2018-10-14 45 SVO
61 7.4 2458731 2019-09-04 2458684 2019-07-19 47 SVO
62 7.3 2459002 2020-06-01 2458963 2020-04-23 39 SVO
63 7.7 2459290 2021-03-16 2459241 2021-01-26 49 SVO
64 7.2 2459568 2021-12-19 2459519 2021-10-31 49 SVO
65 7.5 2459852 2022-09-29 2459798 2022-08-06 54 SVO
66 7.9 2460151 2023-07-25 2460076 2023-05-11 75 SVO
67 7.5 2460421 2024-04-20 2460354 2024-02-13 67 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.