Maxima for X UMa
Period: 249.20, Epoch: 2445696.5
AAVSO offset: -6

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-133   2412570 1893-04-16 2412552 1893-03-29 18 SVO
-129   2413580 1896-01-21 2413549 1895-12-21 31 AnHar, 1909, vol 55, p 95
-123   2415070 1900-02-19 2415044 1900-01-24 26 SVO
-120   2415819 1902-03-10 2415792 1902-02-11 27 AnHar, 1909, vol 55, p 95
-119   2416055 1902-11-01 2416041 1902-10-18 14 GuL, 1918, 1.1
-117 10.3 2416554 1904-03-14 2416540 1904-02-29 14 SVO
-116 9.6 2416792 1904-11-07 2416789 1904-11-04 3 AAVSO
-115   2417058 1905-07-31 2417038 1905-07-11 20 AAVSO
-114 10.2 2417299 1906-03-29 2417287 1906-03-17 12 AAVSO
-113   2417544 1906-11-29 2417537 1906-11-22 7 AAVSO
-112   2417786 1907-07-29 2417786 1907-07-29 0 AAVSO
-111   2418024 1908-03-23 2418035 1908-04-03 -11 AAVSO
-110 9.3 2418288 1908-12-12 2418284 1908-12-08 4 AAVSO
-109   2418546 1909-08-27 2418533 1909-08-14 13 AAVSO
-108 8.8 2418795 1910-05-03 2418783 1910-04-21 12 AAVSO
-107   2419035 1910-12-29 2419032 1910-12-26 3 SVO
-105   2419526 1912-05-03 2419530 1912-05-07 -4 AAVSO
-104   2419777 1913-01-09 2419779 1913-01-11 -2 AAVSO
-101   2420514 1915-01-16 2420527 1915-01-29 -13 SVO
-99   2421016 1916-06-01 2421025 1916-06-10 -9 AAVSO
-98 9.3 2421273 1917-02-13 2421275 1917-02-15 -2 AAVSO
-97   2421536 1917-11-03 2421524 1917-10-22 12 AAVSO
-96 9.2 2421785 1918-07-10 2421773 1918-06-28 12 AAVSO
-95   2422023 1919-03-05 2422022 1919-03-04 1 AAVSO
-94 9.1 2422271 1919-11-08 2422271 1919-11-08 0 AAVSO
-92 9.4 2422773 1921-03-24 2422770 1921-03-21 3 SVO
-91 9.5 2423020 1921-11-26 2423019 1921-11-25 1 AAVSO
-90   2423279 1922-08-12 2423268 1922-08-01 11 AAVSO
-89 9.6 2423524 1923-04-14 2423517 1923-04-07 7 SVO
-88 9.6 2423770 1923-12-16 2423767 1923-12-13 3 AAVSO
-87 10.0 2424018 1924-08-20 2424016 1924-08-18 2 AAVSO
-86 9.8 2424274 1925-05-03 2424265 1925-04-24 9 AAVSO
-85 9.4 2424524 1926-01-08 2424514 1925-12-29 10 AAVSO
-84   2424774 1926-09-15 2424763 1926-09-04 11 AAVSO
-83 9.5 2425010 1927-05-09 2425013 1927-05-12 -3 AAVSO
-82 9.4 2425260 1928-01-14 2425262 1928-01-16 -2 AAVSO
-81   2425509 1928-09-19 2425511 1928-09-21 -2 AAVSO
-80   2425764 1929-06-01 2425760 1929-05-28 4 AAVSO
-79 9.9 2426003 1930-01-26 2426009 1930-02-01 -6 AAVSO
-78 9.2 2426247 1930-09-27 2426259 1930-10-09 -12 AAVSO
-77 9.5 2426494 1931-06-01 2426508 1931-06-15 -14 AAVSO
-76 9.7 2426740 1932-02-02 2426757 1932-02-19 -17 SVO
-75 10.2 2426984 1932-10-03 2427006 1932-10-25 -22 AAVSO
-74 9.7 2427234 1933-06-10 2427255 1933-07-01 -21 AAVSO
-73 10.2 2427487 1934-02-18 2427505 1934-03-08 -18 AAVSO
-72 9.4 2427734 1934-10-23 2427754 1934-11-12 -20 AAVSO
-71   2427992 1935-07-08 2428003 1935-07-19 -11 AAVSO
-70 10.4 2428255 1936-03-27 2428252 1936-03-24 3 SVO
-69 9.8 2428508 1936-12-05 2428501 1936-11-28 7 AAVSO
-68 10.3 2428747 1937-08-01 2428751 1937-08-05 -4 AAVSO
-67 9.9 2428998 1938-04-09 2429000 1938-04-11 -2 SVO
-66 10.3 2429245 1938-12-12 2429249 1938-12-16 -4 SVO
-65 9.8 2429488 1939-08-12 2429498 1939-08-22 -10 AAVSO
-64 10.1 2429734 1940-04-14 2429747 1940-04-27 -13 AAVSO
-63 9.2 2429990 1940-12-26 2429997 1941-01-02 -7 SVO
-62   2430230 1941-08-23 2430246 1941-09-08 -16 AAVSO
-61 9.9 2430486 1942-05-06 2430495 1942-05-15 -9 AAVSO
-60 10.3 2430736 1943-01-11 2430744 1943-01-19 -8 AAVSO
-59   2430974 1943-09-06 2430993 1943-09-25 -19 AAVSO
-58 9.1 2431224 1944-05-13 2431243 1944-06-01 -19 AAVSO
-57 9.8 2431484 1945-01-28 2431492 1945-02-05 -8 AAVSO
-56 9.8 2431725 1945-09-26 2431741 1945-10-12 -16 AAVSO
-55 9.5 2431976 1946-06-04 2431990 1946-06-18 -14 AAVSO
-54 10.5 2432239 1947-02-22 2432240 1947-02-23 -1 SVO
-53 10.0 2432483 1947-10-24 2432489 1947-10-30 -6 AAVSO
-52   2432734 1948-07-01 2432738 1948-07-05 -4 AAVSO
-51 9.7 2432982 1949-03-06 2432987 1949-03-11 -5 SVO
-50 10.5 2433222 1949-11-01 2433236 1949-11-15 -14 AAVSO
-49   2433474 1950-07-11 2433486 1950-07-23 -12 AAVSO
-48 10.3 2433731 1951-03-25 2433735 1951-03-29 -4 SVO
-47 10.2 2433985 1951-12-04 2433984 1951-12-03 1 AAVSO
-46 10.0 2434227 1952-08-02 2434233 1952-08-08 -6 AAVSO
-45 9.8 2434470 1953-04-02 2434482 1953-04-14 -12 SVO
-44 10.2 2434726 1953-12-14 2434732 1953-12-20 -6 AAVSO
-43   2434973 1954-08-18 2434981 1954-08-26 -8 AAVSO
-42 10.3 2435219 1955-04-21 2435230 1955-05-02 -11 SVO
-41 9.9 2435467 1955-12-25 2435479 1956-01-06 -12 SVO
-40 9.4 2435715 1956-08-29 2435728 1956-09-11 -13 AAVSO
-39 10.5 2435969 1957-05-10 2435978 1957-05-19 -9 SVO
-38 9.7 2436219 1958-01-15 2436227 1958-01-23 -8 AAVSO
-37 9.8 2436468 1958-09-21 2436476 1958-09-29 -8 AAVSO
-36 9.7 2436709 1959-05-20 2436725 1959-06-05 -16 AAVSO
-35 9.7 2436960 1960-01-26 2436974 1960-02-09 -14 SVO
-34   2437213 1960-10-05 2437224 1960-10-16 -11 AAVSO
-33 11.1 2437463 1961-06-12 2437473 1961-06-22 -10 AAVSO
-32 10.1 2437717 1962-02-21 2437722 1962-02-26 -5 SVO
-31 9.4 2437962 1962-10-24 2437971 1962-11-02 -9 AAVSO
-30 10.4 2438206 1963-06-25 2438220 1963-07-09 -14 AAVSO
-29 10.7 2438465 1964-03-10 2438470 1964-03-15 -5 SVO
-28 9.4 2438711 1964-11-11 2438719 1964-11-19 -8 AAVSO
-27   2438961 1965-07-19 2438968 1965-07-26 -7 AAVSO
-26 9.9 2439213 1966-03-28 2439217 1966-04-01 -4 SVO
-25 10.1 2439463 1966-12-03 2439466 1966-12-06 -3 SVO
-24 9.0 2439704 1967-08-01 2439716 1967-08-13 -12 AAVSO
-23 10.7 2439962 1968-04-15 2439965 1968-04-18 -3 SVO
-22 10.0 2440219 1968-12-28 2440214 1968-12-23 5 AAVSO
-21 10.3 2440470 1969-09-05 2440463 1969-08-29 7 AAVSO
-20 9.6 2440713 1970-05-06 2440712 1970-05-05 1 SVO
-19 9.9 2440958 1971-01-06 2440962 1971-01-10 -4 SVO
-18 9.6 2441213 1971-09-18 2441211 1971-09-16 2 AAVSO
-17 10.0 2441456 1972-05-18 2441460 1972-05-22 -4 AAVSO
-16 10.0 2441709 1973-01-26 2441709 1973-01-26 0 SVO
-15 9.8 2441956 1973-09-30 2441958 1973-10-02 -2 AAVSO
-14 9.5 2442201 1974-06-02 2442208 1974-06-09 -7 SVO
-13 10.0 2442451 1975-02-07 2442457 1975-02-13 -6 SVO
-12 9.8 2442701 1975-10-15 2442706 1975-10-20 -5 SVO
-11 9.5 2442951 1976-06-21 2442955 1976-06-25 -4 AAVSO
-10 9.7 2443206 1977-03-03 2443204 1977-03-01 2 SVO
-9 9.7 2443454 1977-11-06 2443454 1977-11-06 0 SVO
-8 11.5 2443708 1978-07-18 2443703 1978-07-13 5 AAVSO
-7 9.6 2443961 1979-03-28 2443952 1979-03-19 9 SVO
-6 10.3 2444218 1979-12-10 2444201 1979-11-23 17 SVO
-5 10.1 2444466 1980-08-14 2444450 1980-07-29 16 AAVSO
-4 10.4 2444709 1981-04-14 2444700 1981-04-05 9 SVO
-3 10.3 2444958 1981-12-19 2444949 1981-12-10 9 SVO
-2 12.5 2445212 1982-08-30 2445198 1982-08-16 14 AAVSO
-1 9.8 2445459 1983-05-04 2445447 1983-04-22 12 SVO
0 10.1 2445708 1984-01-08 2445696 1983-12-27 12 SVO
1 10.4 2445958 1984-09-14 2445946 1984-09-02 12 AAVSO
2 9.8 2446209 1985-05-23 2446195 1985-05-09 14 SVO
3 9.6 2446458 1986-01-27 2446444 1986-01-13 14 SVO
4 10.5 2446713 1986-10-09 2446693 1986-09-19 20 AAVSO
5 10.2 2446959 1987-06-12 2446942 1987-05-26 17 AAVSO
6 10.3 2447211 1988-02-19 2447192 1988-01-31 19 SVO
7   2447457 1988-10-22 2447441 1988-10-06 16 AAVSO
8   2447719 1989-07-11 2447690 1989-06-12 29 AAVSO
9 10.1 2447968 1990-03-17 2447939 1990-02-16 29 SVO
10 9.5 2448196 1990-10-31 2448189 1990-10-24 7 SVO
11   2448444 1991-07-06 2448438 1991-06-30 6 AAVSO
12 10.4 2448702 1992-03-20 2448687 1992-03-05 15 SVO
13 10.2 2448949 1992-11-22 2448936 1992-11-09 13 SVO
14   2449199 1993-07-30 2449185 1993-07-16 14 AAVSO
15 9.6 2449453 1994-04-10 2449435 1994-03-23 18 SVO
16 10.3 2449692 1994-12-05 2449684 1994-11-27 8 SVO
17   2449945 1995-08-15 2449933 1995-08-03 12 AAVSO
18 10.3 2450190 1996-04-16 2450182 1996-04-08 8 SVO
19 10.1 2450443 1996-12-25 2450431 1996-12-13 12 SVO
20   2450688 1997-08-27 2450681 1997-08-20 7 AAVSO
21 9.7 2450928 1998-04-24 2450930 1998-04-26 -2 SVO
22 9.3 2451172 1998-12-24 2451179 1998-12-31 -7 SVO
23   2451427 1999-09-05 2451428 1999-09-06 -1 AAVSO
24 10.2 2451682 2000-05-17 2451677 2000-05-12 5 SVO
25 9.4 2451927 2001-01-17 2451927 2001-01-17 0 SVO
26   2452179 2001-09-26 2452176 2001-09-23 3 AAVSO
27 10.0 2452426 2002-05-31 2452425 2002-05-30 1 SVO
28 10.0 2452675 2003-02-04 2452674 2003-02-03 1 SVO
29   2452926 2003-10-13 2452923 2003-10-10 3 AAVSO
30   2453176 2004-06-19 2453173 2004-06-16 3 AAVSO
31 9.5 2453419 2005-02-17 2453422 2005-02-20 -3 SVO
32   2453676 2005-11-01 2453671 2005-10-27 5 AAVSO
33   2453919 2006-07-02 2453920 2006-07-03 -1 AAVSO
34 9.4 2454166 2007-03-06 2454169 2007-03-09 -3 SVO
35 10.5 2454416 2007-11-11 2454419 2007-11-14 -3 SVO
36 10.0 2454662 2008-07-14 2454668 2008-07-20 -6 SVO
37 10.1 2454915 2009-03-24 2454917 2009-03-26 -2 SVO
38 10.2 2455174 2009-12-08 2455166 2009-11-30 8 SVO
39 9.6 2455414 2010-08-05 2455415 2010-08-06 -1 SVO
40 10.3 2455668 2011-04-16 2455665 2011-04-13 3 SVO
41 9.7 2455910 2011-12-14 2455914 2011-12-18 -4 SVO
42 10.1 2456151 2012-08-11 2456163 2012-08-23 -12 SVO
43 10.0 2456415 2013-05-02 2456412 2013-04-29 3 SVO
44 10.3 2456658 2013-12-31 2456661 2014-01-03 -3 SVO
45 10.2 2456920 2014-09-19 2456911 2014-09-10 9 AAVSO
46 10.0 2457160 2015-05-17 2457160 2015-05-17 0 SVO
47 9.8 2457406 2016-01-18 2457409 2016-01-21 -3 SVO
48 10.4 2457659 2016-09-27 2457658 2016-09-26 1 AAVSO
49 10.2 2457902 2017-05-28 2457907 2017-06-02 -5 AAVSO
50 9.6 2458141 2018-01-22 2458157 2018-02-07 -16 SVO
51   2458400 2018-10-08 2458406 2018-10-14 -6 SVO
52   2458651 2019-06-16 2458655 2019-06-20 -4 SVO
53 9.5 2458892 2020-02-12 2458904 2020-02-24 -12 SVO
54 10.3 2459143 2020-10-20 2459153 2020-10-30 -10 SVO
55 10.3 2459393 2021-06-27 2459403 2021-07-07 -10 SVO
56 9.8 2459644 2022-03-05 2459652 2022-03-13 -8 SVO
57 9.5 2459899 2022-11-15 2459901 2022-11-17 -2 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.