Maxima for U Dra
Period: 317.69, Epoch: 2444395.9
AAVSO offset: 2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-100   2412650 1893-07-05 2412627 1893-06-12 23 SVO
-95   2414240 1897-11-11 2414215 1897-10-17 25 SVO
-94   2414573 1898-10-10 2414533 1898-08-31 40 AnHar, 1909, vol 55, p 95
-93   2414902 1899-09-04 2414851 1899-07-15 51 AnHar, 1909, vol 55, p 95
-92   2415226 1900-07-25 2415168 1900-05-28 58 AnHar, 1909, vol 55, p 95
-91   2415553 1901-06-17 2415486 1901-04-11 67 GuL, 1920, 1.2
-90   2415880 1902-05-10 2415804 1902-02-23 76 SVO
-88   2416500 1904-01-20 2416439 1903-11-20 61 SVO
-87   2416811 1904-11-26 2416757 1904-10-03 54 AAVSO
-86 9.6 2417135 1905-10-16 2417075 1905-08-17 60 AAVSO
-85 9.2 2417448 1906-08-25 2417392 1906-06-30 56 AAVSO
-84 9.0 2417784 1907-07-27 2417710 1907-05-14 74 AAVSO
-83   2418065 1908-05-03 2418028 1908-03-27 37 AAVSO
-82   2418382 1909-03-16 2418345 1909-02-07 37 AAVSO
-81 9.5 2418696 1910-01-24 2418663 1909-12-22 33 AAVSO
-80 9.5 2419013 1910-12-07 2418981 1910-11-05 32 AAVSO
-79   2419321 1911-10-11 2419298 1911-09-18 23 AAVSO
-78 9.7 2419633 1912-08-18 2419616 1912-08-01 17 SVO
-77 9.5 2419949 1913-06-30 2419934 1913-06-15 15 SVO
-76 9.5 2420273 1914-05-20 2420251 1914-04-28 22 AAVSO
-74 9.9 2420900 1916-02-06 2420887 1916-01-24 13 AAVSO
-73 9.7 2421202 1916-12-04 2421204 1916-12-06 -2 AAVSO
-72 9.3 2421508 1917-10-06 2421522 1917-10-20 -14 SVO
-71   2421831 1918-08-25 2421840 1918-09-03 -9 AAVSO
-70 10.2 2422139 1919-06-29 2422158 1919-07-18 -19 AAVSO
-69 9.2 2422455 1920-05-10 2422475 1920-05-30 -20 AAVSO
-68 9.6 2422760 1921-03-11 2422793 1921-04-13 -33 AAVSO
-67 9.6 2423079 1922-01-24 2423111 1922-02-25 -32 SVO
-66 9.8 2423397 1922-12-08 2423428 1923-01-08 -31 SVO
-65 9.8 2423711 1923-10-18 2423746 1923-11-22 -35 SVO
-64 9.7 2424029 1924-08-31 2424064 1924-10-05 -35 SVO
-63 9.8 2424350 1925-07-18 2424381 1925-08-18 -31 SVO
-62 9.8 2424664 1926-05-28 2424699 1926-07-02 -35 SVO
-61 9.5 2424976 1927-04-05 2425017 1927-05-16 -41 SVO
-60 9.3 2425291 1928-02-14 2425334 1928-03-28 -43 SVO
-59 9.8 2425619 1929-01-07 2425652 1929-02-09 -33 SVO
-58 9.5 2425944 1929-11-28 2425970 1929-12-24 -26 SVO
-57 9.8 2426256 1930-10-06 2426288 1930-11-07 -32 SVO
-56 9.3 2426579 1931-08-25 2426605 1931-09-20 -26 SVO
-55 9.5 2426898 1932-07-09 2426923 1932-08-03 -25 SVO
-54 9.5 2427222 1933-05-29 2427241 1933-06-17 -19 SVO
-53 9.5 2427540 1934-04-12 2427558 1934-04-30 -18 SVO
-52 9.2 2427867 1935-03-05 2427876 1935-03-14 -9 SVO
-51 10.1 2428195 1936-01-27 2428194 1936-01-26 1 SVO
-50 9.4 2428518 1936-12-15 2428511 1936-12-08 7 SVO
-49 9.9 2428844 1937-11-06 2428829 1937-10-22 15 SVO
-48 9.4 2429165 1938-09-23 2429147 1938-09-05 18 SVO
-47 9.5 2429495 1939-08-19 2429464 1939-07-19 31 SVO
-46 9.8 2429810 1940-06-29 2429782 1940-06-01 28 AAVSO
-45 9.3 2430141 1941-05-26 2430100 1941-04-15 41 AAVSO
-44 10.0 2430444 1942-03-25 2430418 1942-02-27 26 AAVSO
-43   2430778 1943-02-22 2430735 1943-01-10 43 AAVSO
-42 9.2 2431084 1943-12-25 2431053 1943-11-24 31 SVO
-41 9.5 2431410 1944-11-15 2431371 1944-10-07 39 SVO
-40 9.8 2431731 1945-10-02 2431688 1945-08-20 43 SVO
-39 9.5 2432050 1946-08-17 2432006 1946-07-04 44 SVO
-38 9.9 2432376 1947-07-09 2432324 1947-05-18 52 SVO
-37 9.4 2432692 1948-05-20 2432641 1948-03-30 51 SVO
-36 9.6 2432997 1949-03-21 2432959 1949-02-11 38 SVO
-35 9.6 2433322 1950-02-09 2433277 1949-12-26 45 SVO
-34 9.6 2433627 1950-12-11 2433594 1950-11-08 33 AAVSO
-33 9.6 2433943 1951-10-23 2433912 1951-09-22 31 SVO
-32 9.6 2434257 1952-09-01 2434230 1952-08-05 27 SVO
-31 9.6 2434572 1953-07-13 2434547 1953-06-18 25 SVO
-30 10.1 2434882 1954-05-19 2434865 1954-05-02 17 AAVSO
-29 10.2 2435196 1955-03-29 2435183 1955-03-16 13 AAVSO
-28 9.8 2435511 1956-02-07 2435501 1956-01-28 10 SVO
-27 9.7 2435814 1956-12-06 2435818 1956-12-10 -4 AAVSO
-26 9.7 2436135 1957-10-23 2436136 1957-10-24 -1 SVO
-25 9.7 2436443 1958-08-27 2436454 1958-09-07 -11 SVO
-24 9.8 2436765 1959-07-15 2436771 1959-07-21 -6 SVO
-23 9.7 2437081 1960-05-26 2437089 1960-06-03 -8 AAVSO
-22 9.6 2437382 1961-03-23 2437407 1961-04-17 -25 SVO
-21 9.7 2437687 1962-01-22 2437724 1962-02-28 -37 SVO
-20 9.5 2437999 1962-11-30 2438042 1963-01-12 -43 SVO
-19 10.0 2438319 1963-10-16 2438360 1963-11-26 -41 SVO
-18 9.5 2438627 1964-08-19 2438677 1964-10-08 -50 SVO
-17 9.7 2438950 1965-07-08 2438995 1965-08-22 -45 SVO
-16 9.9 2439256 1966-05-10 2439313 1966-07-06 -57 SVO
-15 9.6 2439558 1967-03-08 2439631 1967-05-20 -73 SVO
-14 10.0 2439876 1968-01-20 2439948 1968-04-01 -72 SVO
-13 9.7 2440185 1968-11-24 2440266 1969-02-13 -81 SVO
-12 9.7 2440524 1969-10-29 2440584 1969-12-28 -60 SVO
-11 10.1 2440838 1970-09-08 2440901 1970-11-10 -63 SVO
-10 9.6 2441142 1971-07-09 2441219 1971-09-24 -77 SVO
-9 9.6 2441454 1972-05-16 2441537 1972-08-07 -83 SVO
-8 9.7 2441768 1973-03-26 2441854 1973-06-20 -86 SVO
-7 9.4 2442062 1974-01-14 2442172 1974-05-04 -110 SVO
-6 9.6 2442379 1974-11-27 2442490 1975-03-18 -111 SVO
-5 9.7 2442699 1975-10-13 2442807 1976-01-29 -108 SVO
-4 10.1 2443009 1976-08-18 2443125 1976-12-12 -116 SVO
-3 9.8 2443329 1977-07-04 2443443 1977-10-26 -114 SVO
-2 9.7 2443643 1978-05-14 2443760 1978-09-08 -117 SVO
-1 9.9 2443967 1979-04-03 2444078 1979-07-23 -111 SVO
0 9.8 2444286 1980-02-16 2444396 1980-06-05 -110 SVO
1 9.8 2444612 1981-01-07 2444714 1981-04-19 -102 SVO
2 9.8 2444935 1981-11-26 2445031 1982-03-02 -96 SVO
3 9.4 2445250 1982-10-07 2445349 1983-01-14 -99 SVO
4 9.8 2445574 1983-08-27 2445667 1983-11-28 -93 SVO
5 10.0 2445899 1984-07-17 2445984 1984-10-10 -85 SVO
6 9.5 2446216 1985-05-30 2446302 1985-08-24 -86 SVO
7 9.6 2446534 1986-04-13 2446620 1986-07-08 -86 SVO
8 9.8 2446874 1987-03-19 2446937 1987-05-21 -63 SVO
9 10.1 2447198 1988-02-06 2447255 1988-04-03 -57 SVO
10 9.6 2447524 1988-12-28 2447573 1989-02-15 -49 SVO
11 9.3 2447850 1989-11-19 2447890 1989-12-29 -40 SVO
12 9.9 2448176 1990-10-11 2448208 1990-11-12 -32 SVO
13 9.8 2448509 1991-09-09 2448526 1991-09-26 -17 SVO
14 9.7 2448832 1992-07-28 2448844 1992-08-09 -12 SVO
15 9.6 2449153 1993-06-14 2449161 1993-06-22 -8 SVO
16 9.6 2449488 1994-05-15 2449479 1994-05-06 9 SVO
17 9.5 2449807 1995-03-30 2449797 1995-03-20 10 SVO
18 9.7 2450136 1996-02-22 2450114 1996-01-31 22 SVO
19 9.6 2450465 1997-01-16 2450432 1996-12-14 33 SVO
20 9.8 2450789 1997-12-06 2450750 1997-10-28 39 SVO
21 9.8 2451105 1998-10-18 2451067 1998-09-10 38 SVO
22 9.4 2451428 1999-09-06 2451385 1999-07-25 43 SVO
23 9.8 2451748 2000-07-22 2451703 2000-06-07 45 SVO
24 9.7 2452072 2001-06-11 2452020 2001-04-20 52 SVO
25 9.7 2452394 2002-04-29 2452338 2002-03-04 56 SVO
26 10.0 2452714 2003-03-15 2452656 2003-01-16 58 SVO
27 9.1 2453029 2004-01-24 2452974 2003-11-30 55 SVO
28 10.0 2453346 2004-12-06 2453291 2004-10-12 55 SVO
29 9.5 2453669 2005-10-25 2453609 2005-08-26 60 SVO
30 9.8 2453989 2006-09-10 2453927 2006-07-10 62 SVO
31 9.5 2454310 2007-07-28 2454244 2007-05-23 66 SVO
32 10.1 2454633 2008-06-15 2454562 2008-04-05 71 SVO
33 9.8 2454960 2009-05-08 2454880 2009-02-17 80 SVO
34 9.4 2455282 2010-03-26 2455197 2009-12-31 85 SVO
35 10.4 2455595 2011-02-02 2455515 2010-11-14 80 SVO
36 9.3 2455904 2011-12-08 2455833 2011-09-28 71 SVO
37 9.3 2456217 2012-10-16 2456150 2012-08-10 67 SVO
38 9.4 2456533 2013-08-28 2456468 2013-06-24 65 SVO
39 9.8 2456855 2014-07-16 2456786 2014-05-08 69 SVO
40 9.3 2457162 2015-05-19 2457103 2015-03-21 59 SVO
41 10.1 2457483 2016-04-04 2457421 2016-02-02 62 SVO
42 9.4 2457799 2017-02-14 2457739 2016-12-16 60 SVO
43 10.1 2458121 2018-01-02 2458057 2017-10-30 64 SVO
44 9.7 2458421 2018-10-29 2458374 2018-09-12 47 SVO
45 9.6 2458738 2019-09-11 2458692 2019-07-27 46 SVO
46 9.6 2459053 2020-07-22 2459010 2020-06-09 43 SVO
47 9.6 2459356 2021-05-21 2459327 2021-04-22 29 SVO
48 9.6 2459674 2022-04-04 2459645 2022-03-06 29 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.