Maxima for X Dra
Period: 257.47, Epoch: 2444177.7
AAVSO offset: -4

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-104 11.0 2417401 1906-07-09 2417401 1906-07-09 0 AAVSO
-103   2417659 1907-03-24 2417659 1907-03-24 0 AAVSO
-102 10.5 2417917 1907-12-07 2417916 1907-12-06 1 AAVSO
-101   2418184 1908-08-30 2418174 1908-08-20 10 GuL, 1920, 1.2
-99   2418688 1910-01-16 2418688 1910-01-16 0 AN, 1911, vol 188, p 311
-98   2418955 1910-10-10 2418946 1910-10-01 9 GuL, 1920, 1.2
-97 10.9 2419207 1911-06-19 2419203 1911-06-15 4 AAVSO
-96 11.0 2419465 1912-03-03 2419461 1912-02-28 4 AAVSO
-95 11.0 2419720 1912-11-13 2419718 1912-11-11 2 AAVSO
-94   2419983 1913-08-03 2419976 1913-07-27 7 AAVSO
-93   2420233 1914-04-10 2420233 1914-04-10 0 AAVSO
-91   2420747 1915-09-06 2420748 1915-09-07 -1 AAVSO
-90   2420997 1916-05-13 2421006 1916-05-22 -9 AAVSO
-89   2421257 1917-01-28 2421263 1917-02-03 -6 AAVSO
-88 11.4 2421525 1917-10-23 2421521 1917-10-19 4 AAVSO
-87   2421784 1918-07-09 2421778 1918-07-03 6 AAVSO
-86 11.0 2422031 1919-03-13 2422036 1919-03-18 -5 AAVSO
-85   2422293 1919-11-30 2422293 1919-11-30 0 AAVSO
-84   2422548 1920-08-11 2422550 1920-08-13 -2 AAVSO
-83 11.5 2422815 1921-05-05 2422808 1921-04-28 7 AAVSO
-82 11.2 2423076 1922-01-21 2423065 1922-01-10 11 AAVSO
-81 11.0 2423328 1922-09-30 2423323 1922-09-25 5 SVO
-80 10.7 2423582 1923-06-11 2423580 1923-06-09 2 SVO
-79 11.1 2423835 1924-02-19 2423838 1924-02-22 -3 AAVSO
-78 11.2 2424098 1924-11-08 2424095 1924-11-05 3 SVO
-77 11.0 2424360 1925-07-28 2424353 1925-07-21 7 SVO
-76 11.0 2424606 1926-03-31 2424610 1926-04-04 -4 AAVSO
-75 10.6 2424853 1926-12-03 2424868 1926-12-18 -15 SVO
-74 11.1 2425118 1927-08-25 2425125 1927-09-01 -7 AAVSO
-73 11.2 2425385 1928-05-18 2425383 1928-05-16 2 AAVSO
-72 11.0 2425662 1929-02-19 2425640 1929-01-28 22 SVO
-71 11.0 2425905 1929-10-20 2425898 1929-10-13 7 SVO
-70 11.1 2426162 1930-07-04 2426155 1930-06-27 7 SVO
-69 10.2 2426404 1931-03-03 2426412 1931-03-11 -8 AAVSO
-68 11.1 2426667 1931-11-21 2426670 1931-11-24 -3 AAVSO
-67 11.4 2426939 1932-08-19 2426927 1932-08-07 12 SVO
-66 10.7 2427192 1933-04-29 2427185 1933-04-22 7 SVO
-65 11.8 2427457 1934-01-19 2427442 1934-01-04 15 AAVSO
-64 11.0 2427704 1934-09-23 2427700 1934-09-19 4 SVO
-63 11.7 2427970 1935-06-16 2427957 1935-06-03 13 SVO
-62 10.6 2428220 1936-02-21 2428215 1936-02-16 5 AAVSO
-61 10.5 2428480 1936-11-07 2428472 1936-10-30 8 SVO
-60 11.4 2428745 1937-07-30 2428730 1937-07-15 15 SVO
-59 11.1 2428997 1938-04-08 2428987 1938-03-29 10 AAVSO
-58 10.9 2429258 1938-12-25 2429245 1938-12-12 13 AAVSO
-57 11.2 2429525 1939-09-18 2429502 1939-08-26 23 SVO
-56 10.0 2429775 1940-05-25 2429760 1940-05-10 15 AAVSO
-55   2430035 1941-02-09 2430017 1941-01-22 18 AAVSO
-54 10.9 2430287 1941-10-19 2430275 1941-10-07 12 AAVSO
-53 11.1 2430562 1942-07-21 2430532 1942-06-21 30 AAVSO
-52 11.4 2430812 1943-03-28 2430789 1943-03-05 23 AAVSO
-51 11.4 2431071 1943-12-12 2431047 1943-11-18 24 AAVSO
-50 11.2 2431335 1944-09-01 2431304 1944-08-01 31 AAVSO
-49 10.7 2431599 1945-05-23 2431562 1945-04-16 37 AAVSO
-47 11.0 2432072 1946-09-08 2432077 1946-09-13 -5 AAVSO
-46 11.0 2432322 1947-05-16 2432334 1947-05-28 -12 AAVSO
-45   2432588 1948-02-06 2432592 1948-02-10 -4 AAVSO
-44 10.9 2432834 1948-10-09 2432849 1948-10-24 -15 SVO
-43 11.2 2433096 1949-06-28 2433107 1949-07-09 -11 SVO
-42 11.4 2433349 1950-03-08 2433364 1950-03-23 -15 AAVSO
-41 10.6 2433605 1950-11-19 2433622 1950-12-06 -17 AAVSO
-40 11.2 2433858 1951-07-30 2433879 1951-08-20 -21 SVO
-39 11.5 2434115 1952-04-12 2434137 1952-05-04 -22 AAVSO
-38 11.5 2434373 1952-12-26 2434394 1953-01-16 -21 AAVSO
-37 11.1 2434622 1953-09-01 2434651 1953-09-30 -29 SVO
-36 11.0 2434883 1954-05-20 2434909 1954-06-15 -26 AAVSO
-35 11.5 2435147 1955-02-08 2435166 1955-02-27 -19 AAVSO
-34 11.3 2435405 1955-10-24 2435424 1955-11-12 -19 SVO
-33 10.9 2435668 1956-07-13 2435681 1956-07-26 -13 SVO
-32 11.6 2435926 1957-03-28 2435939 1957-04-10 -13 AAVSO
-31 11.0 2436178 1957-12-05 2436196 1957-12-23 -18 AAVSO
-30 11.3 2436435 1958-08-19 2436454 1958-09-07 -19 SVO
-29 10.8 2436699 1959-05-10 2436711 1959-05-22 -12 SVO
-28 11.5 2436950 1960-01-16 2436969 1960-02-04 -19 AAVSO
-27 10.8 2437221 1960-10-13 2437226 1960-10-18 -5 SVO
-26 10.9 2437480 1961-06-29 2437484 1961-07-03 -4 SVO
-25 11.0 2437737 1962-03-13 2437741 1962-03-17 -4 AAVSO
-24 10.9 2437991 1962-11-22 2437999 1962-11-30 -8 AAVSO
-23 11.0 2438250 1963-08-08 2438256 1963-08-14 -6 SVO
-22 10.8 2438507 1964-04-21 2438513 1964-04-27 -6 SVO
-21   2438762 1965-01-01 2438771 1965-01-10 -9 AAVSO
-20 10.9 2439025 1965-09-21 2439028 1965-09-24 -3 SVO
-19 11.2 2439286 1966-06-09 2439286 1966-06-09 0 SVO
-18 11.0 2439540 1967-02-18 2439543 1967-02-21 -3 AAVSO
-17 11.3 2439804 1967-11-09 2439801 1967-11-06 3 SVO
-16 10.7 2440065 1968-07-27 2440058 1968-07-20 7 SVO
-15 11.0 2440318 1969-04-06 2440316 1969-04-04 2 SVO
-14 11.4 2440582 1969-12-26 2440573 1969-12-17 9 SVO
-13 11.3 2440838 1970-09-08 2440831 1970-09-01 7 SVO
-12 11.2 2441096 1971-05-24 2441088 1971-05-16 8 SVO
-11 11.5 2441347 1972-01-30 2441346 1972-01-29 1 SVO
-10 10.8 2441600 1972-10-09 2441603 1972-10-12 -3 SVO
-9 11.4 2441851 1973-06-17 2441861 1973-06-27 -10 SVO
-8 11.0 2442112 1974-03-05 2442118 1974-03-11 -6 SVO
-7 12.0 2442363 1974-11-11 2442375 1974-11-23 -12 SVO
-6 11.5 2442625 1975-07-31 2442633 1975-08-08 -8 SVO
-5 11.0 2442870 1976-04-01 2442890 1976-04-21 -20 SVO
-4 10.9 2443129 1976-12-16 2443148 1977-01-04 -19 SVO
-3 11.1 2443394 1977-09-07 2443405 1977-09-18 -11 SVO
-2 11.1 2443648 1978-05-19 2443663 1978-06-03 -15 SVO
-1 10.9 2443912 1979-02-07 2443920 1979-02-15 -8 SVO
0 10.8 2444164 1979-10-17 2444178 1979-10-31 -14 SVO
1 10.5 2444420 1980-06-29 2444435 1980-07-14 -15 SVO
2 11.1 2444682 1981-03-18 2444693 1981-03-29 -11 SVO
3 11.4 2444942 1981-12-03 2444950 1981-12-11 -8 SVO
4 11.5 2445201 1982-08-19 2445208 1982-08-26 -7 SVO
5 11.0 2445453 1983-04-28 2445465 1983-05-10 -12 SVO
6 11.0 2445710 1984-01-10 2445723 1984-01-23 -13 SVO
7 11.2 2445972 1984-09-28 2445980 1984-10-06 -8 SVO
8 11.3 2446234 1985-06-17 2446237 1985-06-20 -3 SVO
9 11.7 2446485 1986-02-23 2446495 1986-03-05 -10 AAVSO
10 11.1 2446748 1986-11-13 2446752 1986-11-17 -4 SVO
11 11.2 2447011 1987-08-03 2447010 1987-08-02 1 SVO
12 11.4 2447271 1988-04-19 2447267 1988-04-15 4 SVO
13 11.4 2447535 1989-01-08 2447525 1988-12-29 10 SVO
14 11.1 2447785 1989-09-15 2447782 1989-09-12 3 SVO
15 11.2 2448041 1990-05-29 2448040 1990-05-28 1 SVO
16   2448300 1991-02-12 2448297 1991-02-09 3 AAVSO
17 11.0 2448553 1991-10-23 2448555 1991-10-25 -2 SVO
18 10.9 2448807 1992-07-03 2448812 1992-07-08 -5 SVO
19   2449069 1993-03-22 2449070 1993-03-23 -1 AAVSO
20 11.3 2449331 1993-12-09 2449327 1993-12-05 4 SVO
21 11.1 2449581 1994-08-16 2449585 1994-08-20 -4 SVO
22 11.4 2449837 1995-04-29 2449842 1995-05-04 -5 SVO
23 10.9 2450087 1996-01-04 2450099 1996-01-16 -12 SVO
24 11.2 2450348 1996-09-21 2450357 1996-09-30 -9 SVO
25 11.4 2450606 1997-06-06 2450614 1997-06-14 -8 SVO
26 11.1 2450868 1998-02-23 2450872 1998-02-27 -4 SVO
27 11.2 2451129 1998-11-11 2451129 1998-11-11 0 SVO
28 11.0 2451384 1999-07-24 2451387 1999-07-27 -3 SVO
29 10.7 2451639 2000-04-04 2451644 2000-04-09 -5 SVO
30 11.6 2451890 2000-12-11 2451902 2000-12-23 -12 SVO
31 11.3 2452153 2001-08-31 2452159 2001-09-06 -6 SVO
32 11.7 2452415 2002-05-20 2452417 2002-05-22 -2 SVO
33 11.2 2452667 2003-01-27 2452674 2003-02-03 -7 SVO
34 11.4 2452929 2003-10-16 2452932 2003-10-19 -3 SVO
35 11.3 2453188 2004-07-01 2453189 2004-07-02 -1 SVO
36 11.1 2453443 2005-03-13 2453447 2005-03-17 -4 SVO
37   2453712 2005-12-07 2453704 2005-11-29 8 AAVSO
38 11.1 2453969 2006-08-21 2453961 2006-08-13 8 SVO
39   2454226 2007-05-05 2454219 2007-04-28 7 AAVSO
40 11.0 2454481 2008-01-15 2454476 2008-01-10 5 SVO
41 11.4 2454742 2008-10-02 2454734 2008-09-24 8 SVO
42 11.4 2455008 2009-06-25 2454991 2009-06-08 17 SVO
43 11.1 2455263 2010-03-07 2455249 2010-02-21 14 SVO
44 11.1 2455519 2010-11-18 2455506 2010-11-05 13 SVO
45 11.2 2455780 2011-08-06 2455764 2011-07-21 16 SVO
46 10.5 2456032 2012-04-14 2456021 2012-04-03 11 SVO
47 11.4 2456302 2013-01-09 2456279 2012-12-17 23 SVO
48 11.2 2456557 2013-09-21 2456536 2013-08-31 21 SVO
49 11.1 2456808 2014-05-30 2456794 2014-05-16 14 SVO
50 11.2 2457069 2015-02-15 2457051 2015-01-28 18 SVO
51 11.1 2457329 2015-11-02 2457309 2015-10-13 20 SVO
52 11.1 2457588 2016-07-18 2457566 2016-06-26 22 SVO
53 10.7 2457831 2017-03-18 2457824 2017-03-11 7 SVO
54 11.1 2458087 2017-11-29 2458081 2017-11-23 6 SVO
55 11.8 2458356 2018-08-25 2458338 2018-08-07 18 SVO
56 11.0 2458603 2019-04-29 2458596 2019-04-22 7 SVO
57 11.5 2458859 2020-01-10 2458853 2020-01-04 6 SVO
58 11.1 2459112 2020-09-19 2459111 2020-09-18 1 SVO
59 11.0 2459365 2021-05-30 2459368 2021-06-02 -3 SVO
60 11.1 2459622 2022-02-11 2459626 2022-02-15 -4 SVO
61 11.3 2459874 2022-10-21 2459883 2022-10-30 -9 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.