Maxima for R Oct
Period: 405.7, Epoch: 2458212
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-116   2411134 1889-05-11 2411151 1889-05-28 -17 AnHar, 1909, vol 55, p 95
-115   2411573 1890-07-24 2411557 1890-07-08 16 AnHar, 1909, vol 55, p 95
-114   2411989 1891-09-13 2411962 1891-08-17 27 AnHar, 1909, vol 55, p 95
-112   2412827 1893-12-29 2412774 1893-11-06 53 AnHar, 1909, vol 55, p 95
-111   2413232 1895-02-07 2413179 1894-12-16 53 AnHar, 1909, vol 55, p 95
-110   2413612 1896-02-22 2413585 1896-01-26 27 AnHar, 1909, vol 55, p 95
-109   2414034 1897-04-19 2413991 1897-03-07 43 AnHar, 1909, vol 55, p 95
-108   2414444 1898-06-03 2414396 1898-04-16 48 AnHar, 1909, vol 55, p 95
-107 7.0 2414844 1899-07-08 2414802 1899-05-27 42 SVO
-106 8.4 2415256 1900-08-24 2415208 1900-07-07 48 SVO
-105 7.9 2415665 1901-10-07 2415614 1901-08-17 51 SVO
-104 7.8 2416069 1902-11-15 2416019 1902-09-26 50 SVO
-103   2416455 1903-12-06 2416425 1903-11-06 30 AnHar, 1952, vol 115
-102   2416865 1905-01-19 2416831 1904-12-16 34 AnHar, 1952, vol 115
-101   2417270 1906-02-28 2417236 1906-01-25 34 AnHar, 1952, vol 115
-99 7.6 2418065 1908-05-03 2418048 1908-04-16 17 SVO
-98   2418472 1909-06-14 2418453 1909-05-26 19 AnHar, 1952, vol 115
-97 8.1 2418878 1910-07-25 2418859 1910-07-06 19 SVO
-96 7.5 2419281 1911-09-01 2419265 1911-08-16 16 SVO
-95 7.1 2419682 1912-10-06 2419671 1912-09-25 11 SVO
-92   2420920 1916-02-26 2420888 1916-01-25 32 SVO
-91   2421327 1917-04-08 2421293 1917-03-05 34 SVO
-90 8.0 2421730 1918-05-16 2421699 1918-04-15 31 SVO
-89 7.7 2422131 1919-06-21 2422105 1919-05-26 26 SVO
-88 8.8 2422543 1920-08-06 2422510 1920-07-04 33 SVO
-87 8.0 2422943 1921-09-10 2422916 1921-08-14 27 SVO
-86 8.7 2423351 1922-10-23 2423322 1922-09-24 29 SVO
-85 7.6 2423745 1923-11-21 2423728 1923-11-04 17 SVO
-84 8.2 2424154 1925-01-03 2424133 1924-12-13 21 SVO
-83 7.9 2424560 1926-02-13 2424539 1926-01-23 21 SVO
-82 8.3 2424971 1927-03-31 2424945 1927-03-05 26 SVO
-81 7.5 2425375 1928-05-08 2425350 1928-04-13 25 SVO
-80 8.3 2425778 1929-06-15 2425756 1929-05-24 22 SVO
-79 8.0 2426181 1930-07-23 2426162 1930-07-04 19 SVO
-78 7.9 2426583 1931-08-29 2426567 1931-08-13 16 SVO
-77 7.9 2426997 1932-10-16 2426973 1932-09-22 24 SVO
-76 7.9 2427397 1933-11-20 2427379 1933-11-02 18 SVO
-75 7.9 2427799 1934-12-27 2427785 1934-12-13 14 SVO
-74 8.2 2428200 1936-02-01 2428190 1936-01-22 10 SVO
-73 8.3 2428609 1937-03-16 2428596 1937-03-03 13 SVO
-72 8.1 2429020 1938-05-01 2429002 1938-04-13 18 SVO
-71 8.2 2429429 1939-06-14 2429407 1939-05-23 22 SVO
-70 7.4 2429822 1940-07-11 2429813 1940-07-02 9 SVO
-69 9.1 2430234 1941-08-27 2430219 1941-08-12 15 AAVSO
-68 8.2 2430636 1942-10-03 2430624 1942-09-21 12 SVO
-67 8.5 2431051 1943-11-22 2431030 1943-11-01 21 SVO
-66 7.8 2431451 1944-12-26 2431436 1944-12-11 15 SVO
-65 7.6 2431842 1946-01-21 2431842 1946-01-21 0 SVO
-64 8.7 2432245 1947-02-28 2432247 1947-03-02 -2 SVO
-63 8.0 2432647 1948-04-05 2432653 1948-04-11 -6 SVO
-62 8.4 2433047 1949-05-10 2433059 1949-05-22 -12 SVO
-61 8.3 2433448 1950-06-15 2433464 1950-07-01 -16 SVO
-60 8.0 2433844 1951-07-16 2433870 1951-08-11 -26 SVO
-59 8.6 2434254 1952-08-29 2434276 1952-09-20 -22 SVO
-58 7.6 2434655 1953-10-04 2434681 1953-10-30 -26 SVO
-57 8.3 2435057 1954-11-10 2435087 1954-12-10 -30 SVO
-56 7.9 2435467 1955-12-25 2435493 1956-01-20 -26 SVO
-55 8.5 2435880 1957-02-10 2435899 1957-03-01 -19 SVO
-54 8.0 2436298 1958-04-04 2436304 1958-04-10 -6 SVO
-53 7.8 2436689 1959-04-30 2436710 1959-05-21 -21 SVO
-52 8.1 2437105 1960-06-19 2437116 1960-06-30 -11 SVO
-51 7.6 2437505 1961-07-24 2437521 1961-08-09 -16 SVO
-50 8.5 2437925 1962-09-17 2437927 1962-09-19 -2 SVO
-49 8.1 2438332 1963-10-29 2438333 1963-10-30 -1 SVO
-48 8.0 2438736 1964-12-06 2438738 1964-12-08 -2 SVO
-47 7.7 2439144 1966-01-18 2439144 1966-01-18 0 SVO
-46 8.5 2439549 1967-02-27 2439550 1967-02-28 -1 SVO
-45 8.1 2439962 1968-04-15 2439956 1968-04-09 6 SVO
-44 7.9 2440364 1969-05-22 2440361 1969-05-19 3 SVO
-43 8.3 2440770 1970-07-02 2440767 1970-06-29 3 SVO
-42 7.8 2441172 1971-08-08 2441173 1971-08-09 -1 SVO
-41 8.3 2441573 1972-09-12 2441578 1972-09-17 -5 SVO
-40 7.4 2441979 1973-10-23 2441984 1973-10-28 -5 SVO
-39 8.6 2442386 1974-12-04 2442390 1974-12-08 -4 SVO
-38 9.4 2442779 1976-01-01 2442795 1976-01-17 -16 AAVSO
-37 7.6 2443189 1977-02-14 2443201 1977-02-26 -12 AAVSO
-36 8.3 2443593 1978-03-25 2443607 1978-04-08 -14 SVO
-35 7.9 2444011 1979-05-17 2444013 1979-05-19 -2 SVO
-34 8.1 2444417 1980-06-26 2444418 1980-06-27 -1 SVO
-33 7.8 2444831 1981-08-14 2444824 1981-08-07 7 SVO
-32 8.0 2445218 1982-09-05 2445230 1982-09-17 -12 SVO
-31 8.2 2445631 1983-10-23 2445635 1983-10-27 -4 SVO
-30 7.9 2446028 1984-11-23 2446041 1984-12-06 -13 SVO
-29 8.1 2446438 1986-01-07 2446447 1986-01-16 -9 SVO
-28 7.7 2446840 1987-02-13 2446852 1987-02-25 -12 SVO
-27 8.5 2447240 1988-03-19 2447258 1988-04-06 -18 SVO
-26 7.4 2447640 1989-04-23 2447664 1989-05-17 -24 SVO
-25 7.9 2448049 1990-06-06 2448070 1990-06-27 -21 SVO
-24 8.4 2448462 1991-07-24 2448475 1991-08-06 -13 SVO
-23 7.6 2448871 1992-09-05 2448881 1992-09-15 -10 SVO
-22 8.3 2449287 1993-10-26 2449287 1993-10-26 0 SVO
-21 7.8 2449694 1994-12-07 2449692 1994-12-05 2 SVO
-20 8.3 2450110 1996-01-27 2450098 1996-01-15 12 SVO
-19 7.5 2450520 1997-03-12 2450504 1997-02-24 16 SVO
-18 8.4 2450933 1998-04-29 2450909 1998-04-05 24 SVO
-17 8.0 2451356 1999-06-26 2451315 1999-05-16 41 SVO
-16 8.5 2451768 2000-08-11 2451721 2000-06-25 47 SVO
-15 7.9 2452174 2001-09-21 2452127 2001-08-05 47 SVO
-14 7.7 2452584 2002-11-05 2452532 2002-09-14 52 SVO
-13 7.4 2452985 2003-12-11 2452938 2003-10-25 47 SVO
-12 7.1 2453392 2005-01-21 2453344 2004-12-04 48 SVO
-11 8.4 2453799 2006-03-04 2453749 2006-01-13 50 SVO
-10 7.7 2454204 2007-04-13 2454155 2007-02-23 49 SVO
-9 7.7 2454610 2008-05-23 2454561 2008-04-04 49 SVO
-8 8.4 2455012 2009-06-29 2454966 2009-05-14 46 SVO
-7 7.4 2455418 2010-08-09 2455372 2010-06-24 46 SVO
-6   2455827 2011-09-22 2455778 2011-08-04 49 AAVSO
-5 8.0 2456229 2012-10-28 2456184 2012-09-13 45 SVO
-4 8.3 2456629 2013-12-02 2456589 2013-10-23 40 AAVSO
-3 8.0 2457016 2014-12-24 2456995 2014-12-03 21 SVO
-2 7.4 2457400 2016-01-12 2457401 2016-01-13 -1 SVO
-1 7.6 2457795 2017-02-10 2457806 2017-02-21 -11 SVO
0 7.9 2458207 2018-03-29 2458212 2018-04-03 -5 SVO
1 7.9 2458595 2019-04-21 2458618 2019-05-14 -23 SVO
2 7.4 2458988 2020-05-18 2459023 2020-06-22 -35 SVO
3 8.4 2459391 2021-06-25 2459429 2021-08-02 -38 SVO
4 8.1 2459800 2022-08-08 2459835 2022-09-12 -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.