Maxima for Y Dra
Period: 325.92, Epoch: 2444488.2
AAVSO offset: -5

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-123   2404366 1870-10-30 2404400 1870-12-03 -34 GuL, 1918, 1.1
-91   2414800 1899-05-25 2414829 1899-06-23 -29 SVO
-90   2415120 1900-04-10 2415155 1900-05-15 -35 AnHar, 1952, vol 118
-89   2415460 1901-03-16 2415481 1901-04-06 -21 AnHar, 1952, vol 118
-88   2415799 1902-02-18 2415807 1902-02-26 -8 SVO
-87   2416131 1903-01-16 2416133 1903-01-18 -2 SVO
-86   2416464 1903-12-15 2416459 1903-12-10 5 SVO
-85   2416786 1904-11-01 2416785 1904-10-31 1 SVO
-84 8.5 2417116 1905-09-27 2417111 1905-09-22 5 AAVSO
-83   2417451 1906-08-28 2417437 1906-08-14 14 AAVSO
-82 8.4 2417786 1907-07-29 2417762 1907-07-05 24 AAVSO
-81 8.5 2418103 1908-06-10 2418088 1908-05-26 15 AAVSO
-80 8.5 2418417 1909-04-20 2418414 1909-04-17 3 AAVSO
-79   2418763 1910-04-01 2418740 1910-03-09 23 AAVSO
-78   2419073 1911-02-05 2419066 1911-01-29 7 SVO
-77 9.1 2419408 1912-01-06 2419392 1911-12-21 16 SVO
-76 8.7 2419725 1912-11-18 2419718 1912-11-11 7 SVO
-75 10.7 2420051 1913-10-10 2420044 1913-10-03 7 AAVSO
-74 8.5 2420361 1914-08-16 2420370 1914-08-25 -9 AAVSO
-73 9.6 2420699 1915-07-20 2420696 1915-07-17 3 AAVSO
-72 8.5 2421021 1916-06-06 2421022 1916-06-07 -1 AAVSO
-71 9.5 2421335 1917-04-16 2421348 1917-04-29 -13 AAVSO
-70 9.4 2421663 1918-03-10 2421674 1918-03-21 -11 AAVSO
-69   2421987 1919-01-28 2421999 1919-02-09 -12 SVO
-68 9.9 2422319 1919-12-26 2422325 1920-01-01 -6 SVO
-67 8.8 2422637 1920-11-08 2422651 1920-11-22 -14 SVO
-66 9.1 2422975 1921-10-12 2422977 1921-10-14 -2 SVO
-65 8.5 2423291 1922-08-24 2423303 1922-09-05 -12 SVO
-64 9.3 2423628 1923-07-27 2423629 1923-07-28 -1 SVO
-63 9.1 2423955 1924-06-18 2423955 1924-06-18 0 SVO
-62 8.7 2424288 1925-05-17 2424281 1925-05-10 7 SVO
-61 9.6 2424613 1926-04-07 2424607 1926-04-01 6 SVO
-60 8.6 2424943 1927-03-03 2424933 1927-02-21 10 SVO
-59 8.8 2425263 1928-01-17 2425259 1928-01-13 4 SVO
-58 8.2 2425591 1928-12-10 2425585 1928-12-04 6 SVO
-57 9.5 2425924 1929-11-08 2425911 1929-10-26 13 SVO
-56 9.1 2426253 1930-10-03 2426236 1930-09-16 17 SVO
-55 9.3 2426578 1931-08-24 2426562 1931-08-08 16 SVO
-54 8.3 2426904 1932-07-15 2426888 1932-06-29 16 SVO
-53 9.5 2427225 1933-06-01 2427214 1933-05-21 11 SVO
-52 9.2 2427558 1934-04-30 2427540 1934-04-12 18 SVO
-51 9.1 2427883 1935-03-21 2427866 1935-03-04 17 SVO
-50 8.9 2428199 1936-01-31 2428192 1936-01-24 7 SVO
-49 8.6 2428534 1936-12-31 2428518 1936-12-15 16 SVO
-48 9.1 2428860 1937-11-22 2428844 1937-11-06 16 SVO
-47 8.8 2429191 1938-10-19 2429170 1938-09-28 21 SVO
-46 8.9 2429526 1939-09-19 2429496 1939-08-20 30 SVO
-45 8.2 2429844 1940-08-02 2429822 1940-07-11 22 SVO
-44 9.2 2430187 1941-07-11 2430148 1941-06-02 39 SVO
-43 9.4 2430502 1942-05-22 2430473 1942-04-23 29 SVO
-42 9.1 2430819 1943-04-04 2430799 1943-03-15 20 SVO
-41 8.3 2431140 1944-02-19 2431125 1944-02-04 15 AAVSO
-40 9.4 2431475 1945-01-19 2431451 1944-12-26 24 AAVSO
-39 8.5 2431790 1945-11-30 2431777 1945-11-17 13 AAVSO
-38 9.3 2432122 1946-10-28 2432103 1946-10-09 19 AAVSO
-37 8.8 2432447 1947-09-18 2432429 1947-08-31 18 AAVSO
-36 9.2 2432777 1948-08-13 2432755 1948-07-22 22 SVO
-35 8.9 2433098 1949-06-30 2433081 1949-06-13 17 SVO
-34 9.1 2433427 1950-05-25 2433407 1950-05-05 20 SVO
-33 9.0 2433740 1951-04-03 2433733 1951-03-27 7 SVO
-32 8.4 2434057 1952-02-14 2434059 1952-02-16 -2 SVO
-31 10.2 2434393 1953-01-15 2434385 1953-01-07 8 AAVSO
-30 9.5 2434721 1953-12-09 2434711 1953-11-29 10 AAVSO
-29 9.0 2435028 1954-10-12 2435036 1954-10-20 -8 AAVSO
-28 8.6 2435350 1955-08-30 2435362 1955-09-11 -12 SVO
-27 9.3 2435678 1956-07-23 2435688 1956-08-02 -10 SVO
-26 9.3 2436011 1957-06-21 2436014 1957-06-24 -3 SVO
-25 8.3 2436333 1958-05-09 2436340 1958-05-16 -7 SVO
-24 9.3 2436662 1959-04-03 2436666 1959-04-07 -4 SVO
-23 8.9 2436984 1960-02-19 2436992 1960-02-27 -8 SVO
-22 9.4 2437315 1961-01-15 2437318 1961-01-18 -3 AAVSO
-21 9.0 2437635 1961-12-01 2437644 1961-12-10 -9 AAVSO
-20 8.8 2437971 1962-11-02 2437970 1962-11-01 1 AAVSO
-19 10.0 2438292 1963-09-19 2438296 1963-09-23 -4 AAVSO
-18 9.5 2438623 1964-08-15 2438622 1964-08-14 1 SVO
-17 8.9 2438950 1965-07-08 2438948 1965-07-06 2 SVO
-16 8.7 2439262 1966-05-16 2439273 1966-05-27 -11 SVO
-15 8.4 2439585 1967-04-04 2439599 1967-04-18 -14 SVO
-14 8.3 2439907 1968-02-20 2439925 1968-03-09 -18 SVO
-13 9.1 2440236 1969-01-14 2440251 1969-01-29 -15 SVO
-12 9.0 2440554 1969-11-28 2440577 1969-12-21 -23 SVO
-11 9.4 2440876 1970-10-16 2440903 1970-11-12 -27 SVO
-10 8.3 2441196 1971-09-01 2441229 1971-10-04 -33 SVO
-9 9.5 2441521 1972-07-22 2441555 1972-08-25 -34 SVO
-8 8.6 2441836 1973-06-02 2441881 1973-07-17 -45 SVO
-7 8.9 2442161 1974-04-23 2442207 1974-06-08 -46 SVO
-6 8.9 2442494 1975-03-22 2442533 1975-04-30 -39 SVO
-5 8.3 2442819 1976-02-10 2442859 1976-03-21 -40 SVO
-4 9.7 2443146 1977-01-02 2443185 1977-02-10 -39 SVO
-3 9.1 2443474 1977-11-26 2443510 1978-01-01 -36 SVO
-2 9.2 2443795 1978-10-13 2443836 1978-11-23 -41 SVO
-1 8.8 2444122 1979-09-05 2444162 1979-10-15 -40 SVO
0 8.3 2444447 1980-07-26 2444488 1980-09-05 -41 SVO
1 10.0 2444781 1981-06-25 2444814 1981-07-28 -33 SVO
2 9.2 2445114 1982-05-24 2445140 1982-06-19 -26 SVO
3 9.9 2445448 1983-04-23 2445466 1983-05-11 -18 SVO
4 8.7 2445782 1984-03-22 2445792 1984-04-01 -10 SVO
5 10.2 2446112 1985-02-15 2446118 1985-02-21 -6 SVO
6 9.3 2446443 1986-01-12 2446444 1986-01-13 -1 SVO
7 8.5 2446768 1986-12-03 2446770 1986-12-05 -2 SVO
8 9.3 2447100 1987-10-31 2447096 1987-10-27 4 SVO
9 9.2 2447435 1988-09-30 2447422 1988-09-17 13 SVO
10 9.2 2447763 1989-08-24 2447747 1989-08-08 16 SVO
11 8.6 2448085 1990-07-12 2448073 1990-06-30 12 SVO
12 8.9 2448418 1991-06-10 2448399 1991-05-22 19 SVO
13 9.2 2448743 1992-04-30 2448725 1992-04-12 18 SVO
14 8.4 2449069 1993-03-22 2449051 1993-03-04 18 SVO
15 9.1 2449392 1994-02-08 2449377 1994-01-24 15 SVO
16 8.9 2449711 1994-12-24 2449703 1994-12-16 8 SVO
17 8.8 2450034 1995-11-12 2450029 1995-11-07 5 SVO
18 9.8 2450355 1996-09-28 2450355 1996-09-28 0 SVO
19 8.8 2450677 1997-08-16 2450681 1997-08-20 -4 SVO
20 8.7 2450998 1998-07-03 2451007 1998-07-12 -9 SVO
21 9.7 2451320 1999-05-21 2451333 1999-06-03 -13 SVO
22 8.5 2451640 2000-04-05 2451659 2000-04-24 -19 SVO
23 9.5 2451964 2001-02-23 2451985 2001-03-16 -21 SVO
24 8.5 2452294 2002-01-19 2452310 2002-02-04 -16 SVO
25 10.1 2452621 2002-12-12 2452636 2002-12-27 -15 SVO
26 9.1 2452945 2003-11-01 2452962 2003-11-18 -17 SVO
27 8.8 2453267 2004-09-18 2453288 2004-10-09 -21 SVO
28 9.6 2453599 2005-08-16 2453614 2005-08-31 -15 SVO
29 8.7 2453929 2006-07-12 2453940 2006-07-23 -11 SVO
30 9.2 2454252 2007-05-31 2454266 2007-06-14 -14 SVO
31 9.2 2454590 2008-05-03 2454592 2008-05-05 -2 SVO
32 8.7 2454916 2009-03-25 2454918 2009-03-27 -2 SVO
33 8.6 2455242 2010-02-14 2455244 2010-02-16 -2 SVO
34 9.4 2455581 2011-01-19 2455570 2011-01-08 11 SVO
35 8.6 2455911 2011-12-15 2455896 2011-11-30 15 SVO
36 9.3 2456235 2012-11-03 2456222 2012-10-21 13 SVO
37 8.7 2456561 2013-09-25 2456547 2013-09-11 14 SVO
38 9.1 2456889 2014-08-19 2456873 2014-08-03 16 SVO
39 8.7 2457220 2015-07-16 2457199 2015-06-25 21 SVO
40 8.8 2457550 2016-06-10 2457525 2016-05-16 25 SVO
41 8.4 2457874 2017-04-30 2457851 2017-04-07 23 SVO
42 9.0 2458205 2018-03-27 2458177 2018-02-27 28 SVO
43 8.8 2458537 2019-02-22 2458503 2019-01-19 34 SVO
44 8.6 2458857 2020-01-08 2458829 2019-12-11 28 SVO
45 8.7 2459187 2020-12-03 2459155 2020-11-01 32 SVO
46 8.9 2459511 2021-10-23 2459481 2021-09-23 30 SVO
47 8.5 2459837 2022-09-14 2459807 2022-08-15 30 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.