Maxima for R Cha
Period: 333.93, Epoch: 2441986.5
AAVSO offset: 1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-91   2411559 1890-07-10 2411599 1890-08-19 -40 BHarO, 1927, no 842, p 12
-90   2411890 1891-06-06 2411933 1891-07-19 -43 BHarO, 1927, no 842, p 12
-89   2412252 1892-06-02 2412267 1892-06-17 -15 BHarO, 1927, no 842, p 12
-88   2412584 1893-04-30 2412601 1893-05-17 -17 BHarO, 1927, no 842, p 12
-87   2412918 1894-03-30 2412935 1894-04-16 -17 BHarO, 1927, no 842, p 12
-86   2413248 1895-02-23 2413269 1895-03-16 -21 BHarO, 1927, no 842, p 12, AnHar, 1909, vol 55, p 95
-85   2413579 1896-01-20 2413603 1896-02-13 -24 BHarO, 1927, no 842, p 12
-84   2413927 1897-01-02 2413937 1897-01-12 -10 BHarO, 1927, no 842, p 12
-83   2414276 1897-12-17 2414270 1897-12-11 6 BHarO, 1927, no 842, p 12, AnHar, 1909, vol 55, p 95
-82   2414622 1898-11-28 2414604 1898-11-10 18 BHarO, 1927, no 842, p 12
-81   2414939 1899-10-11 2414938 1899-10-10 1 AnHar, 1909, vol 55, p 95, BHarO, 1927, no 842, p 12
-80   2415262 1900-08-30 2415272 1900-09-09 -10 BHarO, 1927, no 842, p 12
-78   2415950 1902-07-19 2415940 1902-07-09 10 BHarO, 1927, no 842, p 12
-77   2416280 1903-06-14 2416274 1903-06-08 6 SVO
-76   2416613 1904-05-12 2416608 1904-05-07 5 AnHar, 1909, vol 55, p 95, BHarO, 1927, no 842, p 12
-75   2416949 1905-04-13 2416942 1905-04-06 7 SVO
-74   2417282 1906-03-12 2417276 1906-03-06 6 BHarO, 1927, no 842, p 12
-72   2417950 1908-01-09 2417944 1908-01-03 6 BHarO, 1927, no 842, p 12
-71   2418293 1908-12-17 2418278 1908-12-02 15 BHarO, 1927, no 842, p 12
-70   2418624 1909-11-13 2418612 1909-11-01 12 BHarO, 1927, no 842, p 12, AnHar, 1952, vol 115
-69   2418955 1910-10-10 2418945 1910-09-30 10 SVO
-68   2419280 1911-08-31 2419279 1911-08-30 1 AnHar, 1952, vol 115
-66   2419940 1913-06-21 2419947 1913-06-28 -7 SVO
-64   2420605 1915-04-17 2420615 1915-04-27 -10 AnHar, 1952, vol 115, BHarO, 1927, no 842, p 12
-63   2420945 1916-03-22 2420949 1916-03-26 -4 AnHar, 1952, vol 115, BHarO, 1927, no 842, p 12
-62   2421269 1917-02-09 2421283 1917-02-23 -14 BHarO, 1927, no 842, p 12
-61 8.3 2421596 1918-01-02 2421617 1918-01-23 -21 SVO
-60 8.9 2421949 1918-12-21 2421951 1918-12-23 -2 SVO
-59 8.3 2422281 1919-11-18 2422285 1919-11-22 -4 SVO
-58 8.2 2422613 1920-10-15 2422619 1920-10-21 -6 SVO
-57 7.6 2422946 1921-09-13 2422953 1921-09-20 -7 SVO
-56 8.5 2423296 1922-08-29 2423287 1922-08-20 9 SVO
-55 8.4 2423635 1923-08-03 2423620 1923-07-19 15 SVO
-54 8.5 2423979 1924-07-12 2423954 1924-06-17 25 SVO
-53 8.2 2424317 1925-06-15 2424288 1925-05-17 29 SVO
-52 8.4 2424656 1926-05-20 2424622 1926-04-16 34 SVO
-51 8.9 2424996 1927-04-25 2424956 1927-03-16 40 SVO
-50 8.0 2425319 1928-03-13 2425290 1928-02-13 29 SVO
-49 8.5 2425647 1929-02-04 2425624 1929-01-12 23 SVO
-48 7.8 2425971 1929-12-25 2425958 1929-12-12 13 SVO
-47 8.6 2426301 1930-11-20 2426292 1930-11-11 9 SVO
-46 8.3 2426636 1931-10-21 2426626 1931-10-11 10 SVO
-45 8.6 2426973 1932-09-22 2426960 1932-09-09 13 SVO
-44 8.4 2427296 1933-08-11 2427294 1933-08-09 2 SVO
-43 8.4 2427628 1934-07-09 2427628 1934-07-09 0 SVO
-42 7.8 2427954 1935-05-31 2427962 1935-06-08 -8 SVO
-41 9.4 2428288 1936-04-29 2428295 1936-05-06 -7 SVO
-40 8.6 2428613 1937-03-20 2428629 1937-04-05 -16 SVO
-39 8.7 2428951 1938-02-21 2428963 1938-03-05 -12 SVO
-38 8.6 2429294 1939-01-30 2429297 1939-02-02 -3 SVO
-37 8.2 2429622 1939-12-24 2429631 1940-01-02 -9 SVO
-36 9.5 2429955 1940-11-21 2429965 1940-12-01 -10 SVO
-35 8.4 2430286 1941-10-18 2430299 1941-10-31 -13 SVO
-34 8.6 2430626 1942-09-23 2430633 1942-09-30 -7 AAVSO
-33 8.0 2430944 1943-08-07 2430967 1943-08-30 -23 SVO
-32 8.8 2431292 1944-07-20 2431301 1944-07-29 -9 SVO
-31 8.5 2431632 1945-06-25 2431635 1945-06-28 -3 SVO
-30 8.3 2431964 1946-05-23 2431969 1946-05-28 -5 SVO
-29 8.2 2432291 1947-04-15 2432303 1947-04-27 -12 SVO
-28 7.7 2432623 1948-03-12 2432636 1948-03-25 -13 SVO
-27 9.0 2432960 1949-02-12 2432970 1949-02-22 -10 SVO
-26 8.6 2433294 1950-01-12 2433304 1950-01-22 -10 SVO
-25 9.6 2433629 1950-12-13 2433638 1950-12-22 -9 SVO
-24 8.3 2433963 1951-11-12 2433972 1951-11-21 -9 SVO
-23 9.3 2434301 1952-10-15 2434306 1952-10-20 -5 SVO
-22 8.2 2434634 1953-09-13 2434640 1953-09-19 -6 SVO
-21 8.5 2434974 1954-08-19 2434974 1954-08-19 0 SVO
-20 9.1 2435306 1955-07-17 2435308 1955-07-19 -2 SVO
-19 8.0 2435646 1956-06-21 2435642 1956-06-17 4 SVO
-18 9.3 2435993 1957-06-03 2435976 1957-05-17 17 SVO
-17 7.5 2436311 1958-04-17 2436310 1958-04-16 1 SVO
-16 8.6 2436664 1959-04-05 2436644 1959-03-16 20 SVO
-15 8.2 2436998 1960-03-04 2436978 1960-02-13 20 SVO
-14 7.9 2437328 1961-01-28 2437311 1961-01-11 17 SVO
-13 9.1 2437671 1962-01-06 2437645 1961-12-11 26 SVO
-12 8.2 2438004 1962-12-05 2437979 1962-11-10 25 SVO
-11 8.7 2438334 1963-10-31 2438313 1963-10-10 21 AAVSO
-10 8.0 2438666 1964-09-27 2438647 1964-09-08 19 SVO
-9 8.8 2438996 1965-08-23 2438981 1965-08-08 15 AAVSO
-8 8.0 2439323 1966-07-16 2439315 1966-07-08 8 SVO
-7 8.3 2439656 1967-06-14 2439649 1967-06-07 7 SVO
-6 8.2 2439993 1968-05-16 2439983 1968-05-06 10 SVO
-5 8.3 2440322 1969-04-10 2440317 1969-04-05 5 SVO
-4 8.6 2440652 1970-03-06 2440651 1970-03-05 1 AAVSO
-3 9.0 2440990 1971-02-07 2440985 1971-02-02 5 AAVSO
-2   2441320 1972-01-03 2441319 1972-01-02 1 AAVSO
-1   2441658 1972-12-06 2441653 1972-12-01 5 AAVSO
0 8.3 2441990 1973-11-03 2441986 1973-10-30 4 SVO
1 8.6 2442338 1974-10-17 2442320 1974-09-29 18 AAVSO
2 8.1 2442667 1975-09-11 2442654 1975-08-29 13 AAVSO
3 8.2 2443003 1976-08-12 2442988 1976-07-28 15 AAVSO
4 8.6 2443342 1977-07-17 2443322 1977-06-27 20 SVO
5 7.9 2443667 1978-06-07 2443656 1978-05-27 11 SVO
6 8.4 2443999 1979-05-05 2443990 1979-04-26 9 SVO
7 8.8 2444338 1980-04-08 2444324 1980-03-25 14 SVO
8 7.9 2444673 1981-03-09 2444658 1981-02-22 15 SVO
9 9.2 2445007 1982-02-06 2444992 1982-01-22 15 SVO
10 8.3 2445335 1982-12-31 2445326 1982-12-22 9 SVO
11 8.6 2445661 1983-11-22 2445660 1983-11-21 1 SVO
12 8.5 2446004 1984-10-30 2445994 1984-10-20 10 SVO
13 8.5 2446330 1985-09-21 2446328 1985-09-19 2 AAVSO
14 8.5 2446668 1986-08-25 2446661 1986-08-18 7 SVO
15 8.5 2447017 1987-08-09 2446995 1987-07-18 22 SVO
16 7.5 2447336 1988-06-23 2447329 1988-06-16 7 SVO
17 9.8 2447678 1989-05-31 2447663 1989-05-16 15 SVO
18 8.1 2447994 1990-04-12 2447997 1990-04-15 -3 SVO
19 9.9 2448339 1991-03-23 2448331 1991-03-15 8 SVO
20 7.8 2448658 1992-02-05 2448665 1992-02-12 -7 SVO
21 8.5 2449003 1993-01-15 2448999 1993-01-11 4 SVO
22 7.7 2449326 1993-12-04 2449333 1993-12-11 -7 SVO
23 8.2 2449652 1994-10-26 2449667 1994-11-10 -15 SVO
24 8.2 2449982 1995-09-21 2450001 1995-10-10 -19 SVO
25 9.0 2450316 1996-08-20 2450335 1996-09-08 -19 SVO
26 8.0 2450636 1997-07-06 2450669 1997-08-08 -33 SVO
27 9.0 2450971 1998-06-06 2451003 1998-07-08 -32 SVO
28 8.3 2451306 1999-05-07 2451336 1999-06-06 -30 SVO
29 7.8 2451631 2000-03-27 2451670 2000-05-05 -39 SVO
30 8.7 2451963 2001-02-22 2452004 2001-04-04 -41 SVO
31 8.0 2452297 2002-01-22 2452338 2002-03-04 -41 SVO
32 8.3 2452637 2002-12-28 2452672 2003-02-01 -35 SVO
33 8.4 2452978 2003-12-04 2453006 2004-01-01 -28 SVO
34 8.1 2453309 2004-10-30 2453340 2004-11-30 -31 SVO
35 8.3 2453648 2005-10-04 2453674 2005-10-30 -26 SVO
36 8.5 2453988 2006-09-09 2454008 2006-09-29 -20 SVO
37 8.7 2454327 2007-08-14 2454342 2007-08-29 -15 SVO
38 8.3 2454673 2008-07-25 2454676 2008-07-28 -3 SVO
39 7.8 2454997 2009-06-14 2455010 2009-06-27 -13 SVO
40 8.6 2455334 2010-05-17 2455344 2010-05-27 -10 SVO
41 9.0 2455672 2011-04-20 2455678 2011-04-26 -6 SVO
42 9.0 2456003 2012-03-16 2456011 2012-03-24 -8 AAVSO
43 8.2 2456341 2013-02-17 2456345 2013-02-21 -4 SVO
44 8.7 2456681 2014-01-23 2456679 2014-01-21 2 SVO
45 8.0 2457022 2014-12-30 2457013 2014-12-21 9 SVO
46 8.6 2457355 2015-11-28 2457347 2015-11-20 8 SVO
47 8.6 2457689 2016-10-27 2457681 2016-10-19 8 SVO
48 8.0 2458023 2017-09-26 2458015 2017-09-18 8 SVO
49 8.8 2458364 2018-09-02 2458349 2018-08-18 15 SVO
50 8.0 2458709 2019-08-13 2458683 2019-07-18 26 SVO
51 8.5 2459048 2020-07-17 2459017 2020-06-16 31 SVO
52 7.9 2459377 2021-06-11 2459351 2021-05-16 26 SVO
53 8.0 2459708 2022-05-08 2459685 2022-04-15 23 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.