Maxima for X CrB
Period: 240.91, Epoch: 2443694.2
AAVSO offset: 2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-120   2414780 1899-05-05 2414785 1899-05-10 -5 AnHar, 1952, vol 118
-119   2415020 1899-12-31 2415026 1900-01-06 -6 AnHar, 1952, vol 118
-117   2415512 1901-05-07 2415508 1901-05-03 4 SVO
-115   2415990 1902-08-28 2415990 1902-08-28 0 AnHar, 1952, vol 118
-114   2416240 1903-05-05 2416230 1903-04-25 10 AnHar, 1952, vol 118
-113   2416480 1903-12-31 2416471 1903-12-22 9 AnHar, 1952, vol 118
-112   2416735 1904-09-11 2416712 1904-08-19 23 SVO
-111   2416980 1905-05-14 2416953 1905-04-17 27 AnHar, 1952, vol 118
-110   2417219 1906-01-08 2417194 1905-12-14 25 AAVSO
-109   2417444 1906-08-21 2417435 1906-08-12 9 AAVSO
-108   2417691 1907-04-25 2417676 1907-04-10 15 AAVSO
-107   2417946 1908-01-05 2417917 1907-12-07 29 AAVSO
-106 8.1 2418187 1908-09-02 2418158 1908-08-04 29 AAVSO
-105   2418422 1909-04-25 2418399 1909-04-02 23 AAVSO
-104   2418668 1909-12-27 2418640 1909-11-29 28 AAVSO
-103 8.6 2418900 1910-08-16 2418880 1910-07-27 20 AAVSO
-102   2419128 1911-04-01 2419121 1911-03-25 7 AAVSO
-101 8.8 2419369 1911-11-28 2419362 1911-11-21 7 SVO
-100 9.0 2419607 1912-07-23 2419603 1912-07-19 4 SVO
-99 9.1 2419846 1913-03-19 2419844 1913-03-17 2 AAVSO
-98   2420101 1913-11-29 2420085 1913-11-13 16 AAVSO
-97 8.9 2420322 1914-07-08 2420326 1914-07-12 -4 SVO
-96   2420566 1915-03-09 2420567 1915-03-10 -1 AAVSO
-95   2420811 1915-11-09 2420808 1915-11-06 3 AAVSO
-94 9.1 2421041 1916-06-26 2421049 1916-07-04 -8 SVO
-93 9.0 2421282 1917-02-22 2421290 1917-03-02 -8 AAVSO
-92 9.7 2421522 1917-10-20 2421530 1917-10-28 -8 AAVSO
-91 8.9 2421754 1918-06-09 2421771 1918-06-26 -17 SVO
-90 9.0 2421988 1919-01-29 2422012 1919-02-22 -24 AAVSO
-89 9.2 2422225 1919-09-23 2422253 1919-10-21 -28 AAVSO
-88 9.1 2422469 1920-05-24 2422494 1920-06-18 -25 SVO
-87   2422719 1921-01-29 2422735 1921-02-14 -16 AAVSO
-86 9.6 2422957 1921-09-24 2422976 1921-10-13 -19 SVO
-85 9.3 2423200 1922-05-25 2423217 1922-06-11 -17 SVO
-84 9.6 2423442 1923-01-22 2423458 1923-02-07 -16 AAVSO
-83 8.8 2423682 1923-09-19 2423699 1923-10-06 -17 AAVSO
-82 9.0 2423918 1924-05-12 2423940 1924-06-03 -22 SVO
-81 9.2 2424158 1925-01-07 2424180 1925-01-29 -22 AAVSO
-80 9.3 2424402 1925-09-08 2424421 1925-09-27 -19 SVO
-79 9.6 2424652 1926-05-16 2424662 1926-05-26 -10 SVO
-78 8.5 2424884 1927-01-03 2424903 1927-01-22 -19 AAVSO
-77 9.6 2425133 1927-09-09 2425144 1927-09-20 -11 AAVSO
-76 9.3 2425372 1928-05-05 2425385 1928-05-18 -13 AAVSO
-75 9.1 2425608 1928-12-27 2425626 1929-01-14 -18 AAVSO
-74 8.8 2425848 1929-08-24 2425867 1929-09-12 -19 SVO
-73 9.5 2426094 1930-04-27 2426108 1930-05-11 -14 SVO
-72 8.8 2426338 1930-12-27 2426349 1931-01-07 -11 SVO
-71 9.2 2426581 1931-08-27 2426590 1931-09-05 -9 SVO
-70 9.0 2426821 1932-04-23 2426830 1932-05-02 -9 SVO
-69 8.9 2427057 1932-12-15 2427071 1932-12-29 -14 SVO
-68 8.8 2427295 1933-08-10 2427312 1933-08-27 -17 SVO
-67 9.1 2427537 1934-04-09 2427553 1934-04-25 -16 SVO
-66 9.4 2427771 1934-11-29 2427794 1934-12-22 -23 AAVSO
-65 8.9 2428026 1935-08-11 2428035 1935-08-20 -9 SVO
-64 9.1 2428259 1936-03-31 2428276 1936-04-17 -17 SVO
-63 9.0 2428502 1936-11-29 2428517 1936-12-14 -15 AAVSO
-62 9.0 2428747 1937-08-01 2428758 1937-08-12 -11 SVO
-61 9.5 2428988 1938-03-30 2428999 1938-04-10 -11 SVO
-60 9.5 2429232 1938-11-29 2429240 1938-12-07 -8 AAVSO
-59 8.9 2429481 1939-08-05 2429481 1939-08-05 0 SVO
-58 9.0 2429713 1940-03-24 2429721 1940-04-01 -8 AAVSO
-57 9.0 2429944 1940-11-10 2429962 1940-11-28 -18 SVO
-56 9.0 2430190 1941-07-14 2430203 1941-07-27 -13 SVO
-55 9.5 2430444 1942-03-25 2430444 1942-03-25 0 AAVSO
-54 9.0 2430682 1942-11-18 2430685 1942-11-21 -3 AAVSO
-53 9.1 2430908 1943-07-02 2430926 1943-07-20 -18 SVO
-52 8.9 2431146 1944-02-25 2431167 1944-03-17 -21 SVO
-51 9.1 2431390 1944-10-26 2431408 1944-11-13 -18 AAVSO
-50 8.9 2431636 1945-06-29 2431649 1945-07-12 -13 SVO
-49 9.1 2431872 1946-02-20 2431890 1946-03-10 -18 AAVSO
-48 9.0 2432128 1946-11-03 2432131 1946-11-06 -3 AAVSO
-47 9.1 2432364 1947-06-27 2432371 1947-07-04 -7 SVO
-46 9.1 2432601 1948-02-19 2432612 1948-03-01 -11 SVO
-45 9.0 2432844 1948-10-19 2432853 1948-10-28 -9 SVO
-44 9.3 2433084 1949-06-16 2433094 1949-06-26 -10 SVO
-43 9.0 2433321 1950-02-08 2433335 1950-02-22 -14 AAVSO
-42 9.1 2433564 1950-10-09 2433576 1950-10-21 -12 AAVSO
-41 9.3 2433805 1951-06-07 2433817 1951-06-19 -12 SVO
-40 9.8 2434050 1952-02-07 2434058 1952-02-15 -8 AAVSO
-39 9.2 2434293 1952-10-07 2434299 1952-10-13 -6 AAVSO
-38 9.4 2434531 1953-06-02 2434540 1953-06-11 -9 SVO
-37 9.8 2434773 1954-01-30 2434781 1954-02-07 -8 AAVSO
-36 9.2 2435020 1954-10-04 2435021 1954-10-05 -1 SVO
-35 9.4 2435258 1955-05-30 2435262 1955-06-03 -4 SVO
-34   2435497 1956-01-24 2435503 1956-01-30 -6 AAVSO
-33 9.4 2435746 1956-09-29 2435744 1956-09-27 2 SVO
-32 9.4 2435991 1957-06-01 2435985 1957-05-26 6 SVO
-31 9.8 2436225 1958-01-21 2436226 1958-01-22 -1 AAVSO
-30 9.3 2436475 1958-09-28 2436467 1958-09-20 8 SVO
-29 9.1 2436712 1959-05-23 2436708 1959-05-19 4 SVO
-28   2436952 1960-01-18 2436949 1960-01-15 3 AAVSO
-27 9.0 2437200 1960-09-22 2437190 1960-09-12 10 SVO
-26 10.0 2437442 1961-05-22 2437431 1961-05-11 11 SVO
-25 9.0 2437684 1962-01-19 2437671 1962-01-06 13 AAVSO
-24 9.6 2437923 1962-09-15 2437912 1962-09-04 11 SVO
-23 8.9 2438168 1963-05-18 2438153 1963-05-03 15 SVO
-22 9.4 2438406 1964-01-11 2438394 1963-12-30 12 AAVSO
-21 8.8 2438650 1964-09-11 2438635 1964-08-27 15 SVO
-20 9.5 2438894 1965-05-13 2438876 1965-04-25 18 SVO
-19 8.7 2439133 1966-01-07 2439117 1965-12-22 16 AAVSO
-18 9.1 2439386 1966-09-17 2439358 1966-08-20 28 SVO
-17 9.2 2439627 1967-05-16 2439599 1967-04-18 28 SVO
-16 9.4 2439862 1968-01-06 2439840 1967-12-15 22 AAVSO
-15 8.9 2440103 1968-09-03 2440081 1968-08-12 22 SVO
-14 9.6 2440350 1969-05-08 2440321 1969-04-09 29 SVO
-13 9.1 2440591 1970-01-04 2440562 1969-12-06 29 SVO
-12 9.3 2440833 1970-09-03 2440803 1970-08-04 30 SVO
-11 9.1 2441072 1971-04-30 2441044 1971-04-02 28 SVO
-10 9.0 2441311 1971-12-25 2441285 1971-11-29 26 SVO
-9 9.3 2441559 1972-08-29 2441526 1972-07-27 33 SVO
-8 9.1 2441791 1973-04-18 2441767 1973-03-25 24 SVO
-7 9.2 2442041 1973-12-24 2442008 1973-11-21 33 SVO
-6 9.0 2442278 1974-08-18 2442249 1974-07-20 29 SVO
-5 9.6 2442514 1975-04-11 2442490 1975-03-18 24 SVO
-4 8.9 2442754 1975-12-07 2442731 1975-11-14 23 SVO
-3 9.5 2442998 1976-08-07 2442972 1976-07-12 26 SVO
-2 9.0 2443232 1977-03-29 2443212 1977-03-09 20 SVO
-1 9.3 2443479 1977-12-01 2443453 1977-11-05 26 SVO
0 9.4 2443718 1978-07-28 2443694 1978-07-04 24 SVO
1 9.3 2443955 1979-03-22 2443935 1979-03-02 20 SVO
2 9.0 2444189 1979-11-11 2444176 1979-10-29 13 SVO
3 9.1 2444426 1980-07-05 2444417 1980-06-26 9 SVO
4 8.9 2444667 1981-03-03 2444658 1981-02-22 9 SVO
5 9.2 2444899 1981-10-21 2444899 1981-10-21 0 SVO
6 9.1 2445142 1982-06-21 2445140 1982-06-19 2 SVO
7 9.0 2445379 1983-02-13 2445381 1983-02-15 -2 SVO
8 9.6 2445622 1983-10-14 2445622 1983-10-14 0 SVO
9 9.3 2445864 1984-06-12 2445862 1984-06-10 2 SVO
10 9.7 2446100 1985-02-03 2446103 1985-02-06 -3 SVO
11 9.1 2446340 1985-10-01 2446344 1985-10-05 -4 SVO
12 9.1 2446581 1986-05-30 2446585 1986-06-03 -4 SVO
13 9.0 2446817 1987-01-21 2446826 1987-01-30 -9 SVO
14 8.8 2447059 1987-09-20 2447067 1987-09-28 -8 SVO
15 9.2 2447304 1988-05-22 2447308 1988-05-26 -4 SVO
16 9.1 2447536 1989-01-09 2447549 1989-01-22 -13 SVO
17 8.9 2447776 1989-09-06 2447790 1989-09-20 -14 SVO
18 9.2 2448015 1990-05-03 2448031 1990-05-19 -16 SVO
19 9.5 2448262 1991-01-05 2448272 1991-01-15 -10 SVO
20 9.0 2448510 1991-09-10 2448512 1991-09-12 -2 SVO
21 9.5 2448752 1992-05-09 2448753 1992-05-10 -1 SVO
22 9.1 2448996 1993-01-08 2448994 1993-01-06 2 SVO
23 9.0 2449233 1993-09-02 2449235 1993-09-04 -2 SVO
24 9.1 2449473 1994-04-30 2449476 1994-05-03 -3 SVO
25 9.3 2449721 1995-01-03 2449717 1994-12-30 4 SVO
26 9.0 2449960 1995-08-30 2449958 1995-08-28 2 SVO
27 9.4 2450210 1996-05-06 2450199 1996-04-25 11 SVO
28 9.3 2450450 1997-01-01 2450440 1996-12-22 10 SVO
29 9.4 2450699 1997-09-07 2450681 1997-08-20 18 SVO
30 9.0 2450933 1998-04-29 2450922 1998-04-18 11 SVO
31 9.2 2451180 1999-01-01 2451162 1998-12-14 18 SVO
32 9.5 2451424 1999-09-02 2451403 1999-08-12 21 SVO
33 8.7 2451659 2000-04-24 2451644 2000-04-09 15 SVO
34 9.3 2451903 2000-12-24 2451885 2000-12-06 18 SVO
35 9.6 2452143 2001-08-21 2452126 2001-08-04 17 SVO
36 8.7 2452373 2002-04-08 2452367 2002-04-02 6 SVO
37 9.5 2452623 2002-12-14 2452608 2002-11-29 15 SVO
38 9.3 2452865 2003-08-13 2452849 2003-07-28 16 SVO
39 8.8 2453099 2004-04-03 2453090 2004-03-25 9 SVO
40 9.1 2453344 2004-12-04 2453331 2004-11-21 13 SVO
41 9.5 2453589 2005-08-06 2453572 2005-07-20 17 SVO
42 9.1 2453831 2006-04-05 2453812 2006-03-17 19 SVO
43 9.4 2454077 2006-12-07 2454053 2006-11-13 24 SVO
44 9.0 2454321 2007-08-08 2454294 2007-07-12 27 SVO
45 9.1 2454555 2008-03-29 2454535 2008-03-09 20 SVO
46 9.0 2454793 2008-11-22 2454776 2008-11-05 17 SVO
47 9.0 2455028 2009-07-15 2455017 2009-07-04 11 SVO
48 9.1 2455267 2010-03-11 2455258 2010-03-02 9 SVO
49 9.4 2455515 2010-11-14 2455499 2010-10-29 16 SVO
50 9.3 2455761 2011-07-18 2455740 2011-06-27 21 SVO
51 9.2 2455991 2012-03-04 2455981 2012-02-23 10 SVO
52 9.5 2456225 2012-10-24 2456222 2012-10-21 3 SVO
53 9.3 2456455 2013-06-11 2456463 2013-06-19 -8 SVO
54 9.1 2456692 2014-02-03 2456703 2014-02-14 -11 SVO
55 9.0 2456925 2014-09-24 2456944 2014-10-13 -19 SVO
56 9.3 2457164 2015-05-21 2457185 2015-06-11 -21 SVO
57 9.5 2457401 2016-01-13 2457426 2016-02-07 -25 SVO
58 9.2 2457650 2016-09-18 2457667 2016-10-05 -17 SVO
59 9.4 2457889 2017-05-15 2457908 2017-06-03 -19 SVO
60 8.8 2458126 2018-01-07 2458149 2018-01-30 -23 SVO
61 9.1 2458357 2018-08-26 2458390 2018-09-28 -33 SVO
62 9.2 2458596 2019-04-22 2458631 2019-05-27 -35 SVO
63 9.1 2458838 2019-12-20 2458872 2020-01-23 -34 SVO
64 9.1 2459074 2020-08-12 2459113 2020-09-20 -39 SVO
65 9.3 2459317 2021-04-12 2459353 2021-05-18 -36 SVO
66 9.4 2459553 2021-12-04 2459594 2022-01-14 -41 SVO
67 9.5 2459800 2022-08-08 2459835 2022-09-12 -35 SVO
68 9.7 2460043 2023-04-08 2460076 2023-05-11 -33 SVO
69 9.2 2460287 2023-12-08 2460317 2024-01-07 -30 SVO
70 9.4 2460526 2024-08-03 2460558 2024-09-04 -32 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.