Maxima for W Aql
Period: 487.97, Epoch: 2439042.9
AAVSO offset: 6

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-78   2400988 1861-07-31 2400981 1861-07-24 7 AnHar, 1909, vol 55, p 95
-56   2411675 1890-11-03 2411716 1890-12-14 -41 SVO
-53   2413127 1894-10-25 2413180 1894-12-17 -53 AnHar, 1909, vol 55, p 95
-52   2413625 1896-03-06 2413668 1896-04-18 -43 GuL, 1920, 1.2
-51   2414092 1897-06-16 2414156 1897-08-19 -64 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-50   2414587 1898-10-24 2414644 1898-12-20 -57 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-49   2415083 1900-03-04 2415132 1900-04-22 -49 GuL, 1920, 1.2
-48   2415574 1901-07-08 2415620 1901-08-23 -46 GuL, 1920, 1.2
-47   2416063 1902-11-09 2416108 1902-12-24 -45 GuL, 1920, 1.2
-45   2417039 1905-07-12 2417084 1905-08-26 -45 SVO
-44   2417518 1906-11-03 2417572 1906-12-27 -54 AAVSO
-43 8.6 2418050 1908-04-18 2418060 1908-04-28 -10 AAVSO
-42 8.0 2418534 1909-08-15 2418548 1909-08-29 -14 AAVSO
-41   2419046 1911-01-09 2419036 1910-12-30 10 AAVSO
-40   2419554 1912-05-31 2419524 1912-05-01 30 AAVSO
-39 8.8 2420018 1913-09-07 2420012 1913-09-01 6 AAVSO
-38   2420513 1915-01-15 2420500 1915-01-02 13 AAVSO
-37   2421006 1916-05-22 2420988 1916-05-04 18 AAVSO
-36 8.0 2421476 1917-09-04 2421476 1917-09-04 0 AAVSO
-35   2421998 1919-02-08 2421964 1919-01-05 34 AAVSO
-34 8.5 2422492 1920-06-16 2422452 1920-05-07 40 AAVSO
-33 8.5 2422949 1921-09-16 2422940 1921-09-07 9 AAVSO
-32 8.0 2423412 1922-12-23 2423428 1923-01-08 -16 SVO
-31 8.0 2423908 1924-05-02 2423916 1924-05-10 -8 AAVSO
-30 7.9 2424382 1925-08-19 2424404 1925-09-10 -22 SVO
-29 8.6 2424878 1926-12-28 2424892 1927-01-11 -14 SVO
-28 8.0 2425354 1928-04-17 2425380 1928-05-13 -26 AAVSO
-27 8.8 2425840 1929-08-16 2425868 1929-09-13 -28 SVO
-26 8.9 2426335 1930-12-24 2426356 1931-01-14 -21 SVO
-25 8.6 2426832 1932-05-04 2426844 1932-05-16 -12 SVO
-24 8.8 2427320 1933-09-04 2427332 1933-09-16 -12 SVO
-23 8.5 2427783 1934-12-11 2427820 1935-01-17 -37 SVO
-22 8.2 2428285 1936-04-26 2428308 1936-05-19 -23 AAVSO
-21 8.7 2428804 1937-09-27 2428795 1937-09-18 9 SVO
-20 8.5 2429305 1939-02-10 2429283 1939-01-19 22 SVO
-19 8.5 2429796 1940-06-15 2429771 1940-05-21 25 AAVSO
-18 8.3 2430279 1941-10-11 2430259 1941-09-21 20 SVO
-17   2430778 1943-02-22 2430747 1943-01-22 31 AAVSO
-16 8.1 2431262 1944-06-20 2431235 1944-05-24 27 SVO
-15 8.3 2431748 1945-10-19 2431723 1945-09-24 25 SVO
-14   2432246 1947-03-01 2432211 1947-01-25 35 AAVSO
-13 8.0 2432736 1948-07-03 2432699 1948-05-27 37 SVO
-12 8.3 2433221 1949-10-31 2433187 1949-09-27 34 SVO
-11   2433718 1951-03-12 2433675 1951-01-28 43 AAVSO
-10 8.1 2434209 1952-07-15 2434163 1952-05-30 46 SVO
-9 8.2 2434689 1953-11-07 2434651 1953-09-30 38 AAVSO
-8   2435184 1955-03-17 2435139 1955-01-31 45 AAVSO
-7 7.4 2435672 1956-07-17 2435627 1956-06-02 45 AAVSO
-6 8.1 2436176 1957-12-03 2436115 1957-10-03 61 SVO
-5 7.9 2436656 1959-03-28 2436603 1959-02-03 53 AAVSO
-4 7.7 2437145 1960-07-29 2437091 1960-06-05 54 SVO
-3 7.7 2437619 1961-11-15 2437579 1961-10-06 40 SVO
-2 8.3 2438134 1963-04-14 2438067 1963-02-06 67 AAVSO
-1 7.8 2438611 1964-08-03 2438555 1964-06-08 56 SVO
0 8.5 2439110 1965-12-15 2439043 1965-10-09 67 SVO
1 8.2 2439585 1967-04-04 2439531 1967-02-09 54 AAVSO
2 9.2 2440071 1968-08-02 2440019 1968-06-11 52 SVO
3 9.5 2440561 1969-12-05 2440507 1969-10-12 54 SVO
4 8.5 2441016 1971-03-05 2440995 1971-02-12 21 AAVSO
5 10.8 2441507 1972-07-08 2441483 1972-06-14 24 AAVSO
6 10.1 2441984 1973-10-28 2441971 1973-10-15 13 SVO
7 10.8 2442476 1975-03-04 2442459 1975-02-15 17 AAVSO
8 10.5 2442941 1976-06-11 2442947 1976-06-17 -6 SVO
9 10.4 2443448 1977-10-31 2443435 1977-10-18 13 SVO
10 9.3 2443902 1979-01-28 2443923 1979-02-18 -21 SVO
11 9.4 2444419 1980-06-28 2444411 1980-06-20 8 SVO
12 8.5 2444896 1981-10-18 2444899 1981-10-21 -3 SVO
13 8.7 2445383 1983-02-17 2445387 1983-02-21 -4 SVO
14 8.5 2445884 1984-07-02 2445875 1984-06-23 9 SVO
15 8.7 2446370 1985-10-31 2446363 1985-10-24 7 SVO
16 8.2 2446850 1987-02-23 2446851 1987-02-24 -1 SVO
17 8.2 2447361 1988-07-18 2447338 1988-06-25 23 SVO
18 8.0 2447843 1989-11-12 2447826 1989-10-26 17 SVO
19 7.9 2448326 1991-03-10 2448314 1991-02-26 12 SVO
20 7.7 2448823 1992-07-19 2448802 1992-06-28 21 SVO
21 8.0 2449310 1993-11-18 2449290 1993-10-29 20 SVO
22 7.5 2449766 1995-02-17 2449778 1995-03-01 -12 SVO
23 7.9 2450287 1996-07-22 2450266 1996-07-01 21 SVO
24 7.6 2450731 1997-10-09 2450754 1997-11-01 -23 SVO
25 8.2 2451219 1999-02-09 2451242 1999-03-04 -23 SVO
26 7.7 2451691 2000-05-26 2451730 2000-07-04 -39 SVO
27 8.5 2452192 2001-10-09 2452218 2001-11-04 -26 SVO
28 7.9 2452660 2003-01-20 2452706 2003-03-07 -46 SVO
29 8.7 2453162 2004-06-05 2453194 2004-07-07 -32 SVO
30 8.8 2453645 2005-10-01 2453682 2005-11-07 -37 SVO
31 9.4 2454117 2007-01-16 2454170 2007-03-10 -53 SVO
32 9.7 2454600 2008-05-13 2454658 2008-07-10 -58 SVO
33 9.8 2455082 2009-09-07 2455146 2009-11-10 -64 SVO
34 9.6 2455586 2011-01-24 2455634 2011-03-13 -48 SVO
35 9.7 2456068 2012-05-20 2456122 2012-07-13 -54 SVO
36 9.8 2456551 2013-09-15 2456610 2013-11-13 -59 SVO
37 9.3 2457057 2015-02-03 2457098 2015-03-16 -41 SVO
38 9.9 2457565 2016-06-25 2457586 2016-07-16 -21 SVO
39 10.0 2458078 2017-11-20 2458074 2017-11-16 4 SVO
40 9.6 2458526 2019-02-11 2458562 2019-03-19 -36 SVO
41 10.1 2459049 2020-07-18 2459050 2020-07-19 -1 SVO
42 10.1 2459551 2021-12-02 2459538 2021-11-19 13 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.