Maxima for ST Cyg
Period: 337.49, Epoch: 2444428.2
AAVSO offset: 4

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-89   2414457 1898-06-16 2414392 1898-04-12 65 AnHar, 1909, vol 55, p 95
-88   2414805 1899-05-30 2414729 1899-03-15 76 AnHar, 1909, vol 55, p 95
-87   2415141 1900-05-01 2415067 1900-02-16 74 AnHar, 1909, vol 55, p 95
-83   2416480 1903-12-31 2416417 1903-10-29 63 SVO
-82 9.7 2416826 1904-12-11 2416754 1904-09-30 72 AAVSO
-81 9.6 2417157 1905-11-07 2417092 1905-09-03 65 AAVSO
-80 10.0 2417497 1906-10-13 2417429 1906-08-06 68 AAVSO
-79   2417839 1907-09-20 2417767 1907-07-10 72 AAVSO
-78 8.8 2418151 1908-07-28 2418104 1908-06-11 47 AAVSO
-77 9.0 2418495 1909-07-07 2418442 1909-05-15 53 AAVSO
-76   2418829 1910-06-06 2418779 1910-04-17 50 AAVSO
-75   2419139 1911-04-12 2419117 1911-03-21 22 GuL, 1920, 1.2
-74 10.3 2419464 1912-03-02 2419454 1912-02-21 10 SVO
-73 10.0 2419793 1913-01-25 2419792 1913-01-24 1 SVO
-72 10.3 2420123 1913-12-21 2420129 1913-12-27 -6 SVO
-71 10.0 2420453 1914-11-16 2420467 1914-11-30 -14 SVO
-70 10.2 2420794 1915-10-23 2420804 1915-11-02 -10 SVO
-69 9.9 2421122 1916-09-15 2421142 1916-10-05 -20 SVO
-68 10.2 2421461 1917-08-20 2421479 1917-09-07 -18 SVO
-67 10.3 2421798 1918-07-23 2421817 1918-08-11 -19 SVO
-66 10.3 2422142 1919-07-02 2422154 1919-07-14 -12 SVO
-65 10.6 2422478 1920-06-02 2422492 1920-06-16 -14 SVO
-64 10.5 2422806 1921-04-26 2422829 1921-05-19 -23 SVO
-63 10.2 2423134 1922-03-20 2423167 1922-04-22 -33 SVO
-62 10.3 2423465 1923-02-14 2423504 1923-03-25 -39 SVO
-61 10.0 2423807 1924-01-22 2423842 1924-02-26 -35 SVO
-60 10.2 2424130 1924-12-10 2424179 1925-01-28 -49 SVO
-59 9.7 2424470 1925-11-15 2424517 1926-01-01 -47 SVO
-58 10.3 2424799 1926-10-10 2424854 1926-12-04 -55 SVO
-57 10.1 2425133 1927-09-09 2425191 1927-11-06 -58 SVO
-56 10.3 2425463 1928-08-04 2425529 1928-10-09 -66 SVO
-55 10.1 2425811 1929-07-18 2425866 1929-09-11 -55 SVO
-54 10.2 2426144 1930-06-16 2426204 1930-08-15 -60 SVO
-53 10.2 2426484 1931-05-22 2426541 1931-07-18 -57 SVO
-52 10.4 2426813 1932-04-15 2426879 1932-06-20 -66 SVO
-51 10.2 2427153 1933-03-21 2427216 1933-05-23 -63 SVO
-50 10.0 2427491 1934-02-22 2427554 1934-04-26 -63 SVO
-49 9.9 2427813 1935-01-10 2427891 1935-03-29 -78 SVO
-48 10.1 2428174 1936-01-06 2428229 1936-03-01 -55 SVO
-47 9.9 2428506 1936-12-03 2428566 1937-02-01 -60 SVO
-46 10.0 2428844 1937-11-06 2428904 1938-01-05 -60 SVO
-45 10.5 2429182 1938-10-10 2429241 1938-12-08 -59 SVO
-44 10.0 2429529 1939-09-22 2429579 1939-11-11 -50 SVO
-43 10.6 2429868 1940-08-26 2429916 1940-10-13 -48 SVO
-42 10.0 2430204 1941-07-28 2430254 1941-09-16 -50 SVO
-41 10.4 2430545 1942-07-04 2430591 1942-08-19 -46 SVO
-40 10.8 2430889 1943-06-13 2430929 1943-07-23 -40 AAVSO
-38 10.0 2431554 1945-04-08 2431604 1945-05-28 -50 AAVSO
-37 10.1 2431883 1946-03-03 2431941 1946-04-30 -58 AAVSO
-36 10.5 2432212 1947-01-26 2432279 1947-04-03 -67 AAVSO
-35 10.2 2432573 1948-01-22 2432616 1948-03-05 -43 AAVSO
-34 9.4 2432921 1949-01-04 2432954 1949-02-06 -33 AAVSO
-33 10.2 2433273 1949-12-22 2433291 1950-01-09 -18 AAVSO
-32 9.9 2433617 1950-12-01 2433629 1950-12-13 -12 SVO
-31 10.2 2433953 1951-11-02 2433966 1951-11-15 -13 AAVSO
-30 10.0 2434302 1952-10-16 2434304 1952-10-18 -2 SVO
-29 10.0 2434628 1953-09-07 2434641 1953-09-20 -13 SVO
-28 10.1 2434966 1954-08-11 2434979 1954-08-24 -13 AAVSO
-27 9.9 2435321 1955-08-01 2435316 1955-07-27 5 SVO
-26 10.1 2435657 1956-07-02 2435654 1956-06-29 3 AAVSO
-25 10.3 2436012 1957-06-22 2435991 1957-06-01 21 SVO
-24 10.0 2436348 1958-05-24 2436329 1958-05-05 19 AAVSO
-23 10.1 2436684 1959-04-25 2436666 1959-04-07 18 AAVSO
-22 10.8 2437029 1960-04-04 2437003 1960-03-09 26 AAVSO
-21 9.9 2437373 1961-03-14 2437341 1961-02-10 32 SVO
-20 9.7 2437696 1962-01-31 2437678 1962-01-13 18 SVO
-19 9.9 2438031 1963-01-01 2438016 1962-12-17 15 AAVSO
-18 10.3 2438394 1963-12-30 2438353 1963-11-19 41 SVO
-17 10.2 2438732 1964-12-02 2438691 1964-10-22 41 SVO
-16 10.2 2439069 1965-11-04 2439028 1965-09-24 41 SVO
-15 10.1 2439417 1966-10-18 2439366 1966-08-28 51 SVO
-14 10.1 2439753 1967-09-19 2439703 1967-07-31 50 SVO
-13 9.8 2440096 1968-08-27 2440041 1968-07-03 55 SVO
-12 10.0 2440429 1969-07-26 2440378 1969-06-05 51 SVO
-11 9.8 2440769 1970-07-01 2440716 1970-05-09 53 AAVSO
-10 10.6 2441103 1971-05-31 2441053 1971-04-11 50 AAVSO
-9 9.8 2441453 1972-05-15 2441391 1972-03-14 62 AAVSO
-8 10.8 2441788 1973-04-15 2441728 1973-02-14 60 AAVSO
-7 10.5 2442124 1974-03-17 2442066 1974-01-18 58 AAVSO
-6 10.3 2442462 1975-02-18 2442403 1974-12-21 59 SVO
-5 10.8 2442791 1976-01-13 2442741 1975-11-24 50 AAVSO
-4 10.4 2443138 1976-12-25 2443078 1976-10-26 60 SVO
-3 10.0 2443467 1977-11-19 2443416 1977-09-29 51 AAVSO
-2 9.9 2443807 1978-10-25 2443753 1978-09-01 54 SVO
-1 10.1 2444138 1979-09-21 2444091 1979-08-05 47 SVO
0 10.0 2444468 1980-08-16 2444428 1980-07-07 40 SVO
1 10.1 2444800 1981-07-14 2444766 1981-06-10 34 SVO
2 10.2 2445145 1982-06-24 2445103 1982-05-13 42 SVO
3 10.3 2445485 1983-05-30 2445441 1983-04-16 44 SVO
4 10.0 2445817 1984-04-26 2445778 1984-03-18 39 SVO
5 10.5 2446144 1985-03-19 2446116 1985-02-19 28 AAVSO
6 10.4 2446488 1986-02-26 2446453 1986-01-22 35 SVO
7 10.1 2446817 1987-01-21 2446791 1986-12-26 26 SVO
8 9.9 2447139 1987-12-09 2447128 1987-11-28 11 SVO
9 10.0 2447474 1988-11-08 2447466 1988-10-31 8 SVO
10 10.1 2447821 1989-10-21 2447803 1989-10-03 18 SVO
11 9.9 2448161 1990-09-26 2448141 1990-09-06 20 SVO
12 9.9 2448494 1991-08-25 2448478 1991-08-09 16 SVO
13 10.2 2448830 1992-07-26 2448815 1992-07-11 15 SVO
14 10.3 2449167 1993-06-28 2449153 1993-06-14 14 SVO
15 10.4 2449508 1994-06-04 2449490 1994-05-17 18 SVO
16 10.2 2449837 1995-04-29 2449828 1995-04-20 9 SVO
17 10.0 2450167 1996-03-24 2450165 1996-03-22 2 SVO
18 10.1 2450508 1997-02-28 2450503 1997-02-23 5 SVO
19 10.3 2450843 1998-01-29 2450840 1998-01-26 3 SVO
20 9.9 2451172 1998-12-24 2451178 1998-12-30 -6 SVO
21 10.5 2451503 1999-11-20 2451515 1999-12-02 -12 SVO
22 10.1 2451842 2000-10-24 2451853 2000-11-04 -11 SVO
23 10.2 2452174 2001-09-21 2452190 2001-10-07 -16 SVO
24 10.1 2452512 2002-08-25 2452528 2002-09-10 -16 SVO
25 10.5 2452853 2003-08-01 2452865 2003-08-13 -12 SVO
26 10.3 2453189 2004-07-02 2453203 2004-07-16 -14 SVO
27   2453531 2005-06-09 2453540 2005-06-18 -9 AAVSO
28 10.1 2453852 2006-04-26 2453878 2006-05-22 -26 SVO
29 9.9 2454187 2007-03-27 2454215 2007-04-24 -28 SVO
30 9.8 2454517 2008-02-20 2454553 2008-03-27 -36 SVO
31 9.9 2454865 2009-02-02 2454890 2009-02-27 -25 SVO
32 9.9 2455193 2009-12-27 2455228 2010-01-31 -35 SVO
33 10.2 2455543 2010-12-12 2455565 2011-01-03 -22 SVO
34 9.8 2455863 2011-10-28 2455903 2011-12-07 -40 SVO
35 10.2 2456213 2012-10-12 2456240 2012-11-08 -27 SVO
36 10.1 2456558 2013-09-22 2456578 2013-10-12 -20 SVO
37 10.1 2456894 2014-08-24 2456915 2014-09-14 -21 SVO
38 10.0 2457240 2015-08-05 2457253 2015-08-18 -13 SVO
39 10.0 2457570 2016-06-30 2457590 2016-07-20 -20 SVO
40 10.0 2457915 2017-06-10 2457928 2017-06-23 -13 SVO
41 10.1 2458247 2018-05-08 2458265 2018-05-26 -18 SVO
42 10.0 2458589 2019-04-15 2458603 2019-04-29 -14 SVO
43 9.7 2458928 2020-03-19 2458940 2020-03-31 -12 SVO
44 10.1 2459266 2021-02-20 2459278 2021-03-04 -12 SVO
45 9.8 2459604 2022-01-24 2459615 2022-02-04 -11 SVO
46 9.9 2459934 2022-12-20 2459953 2023-01-08 -19 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.