Maxima for Y Cep
Period: 332.70, Epoch: 2444136.0
AAVSO offset: 3

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-87   2415200 1900-06-29 2415191 1900-06-20 9 GuL, 1918, 1.1
-86 9.5 2415543 1901-06-07 2415524 1901-05-19 19 AAVSO
-85 9.2 2415866 1902-04-26 2415856 1902-04-16 10 AAVSO
-82   2416886 1905-02-09 2416854 1905-01-08 32 AnHar, 1909, vol 55, p 95, GuL, 1918, 1.1
-81   2417222 1906-01-11 2417187 1905-12-07 35 AnHar, 1909, vol 55, p 95, GuL, 1918, 1.1
-80   2417541 1906-11-26 2417520 1906-11-05 21 AnHar, 1909, vol 55, p 95
-79   2417865 1907-10-16 2417852 1907-10-03 13 AnHar, 1909, vol 55, p 95
-78 9.0 2418215 1908-09-30 2418185 1908-08-31 30 AAVSO
-77 10.0 2418545 1909-08-26 2418518 1909-07-30 27 AAVSO
-76   2418865 1910-07-12 2418851 1910-06-28 14 AAVSO
-75   2419199 1911-06-11 2419183 1911-05-26 16 AAVSO
-74 8.8 2419519 1912-04-26 2419516 1912-04-23 3 SVO
-73 9.5 2419849 1913-03-22 2419849 1913-03-22 0 SVO
-72 9.8 2420177 1914-02-13 2420181 1914-02-17 -4 SVO
-71 9.7 2420516 1915-01-18 2420514 1915-01-16 2 AAVSO
-70 9.6 2420850 1915-12-18 2420847 1915-12-15 3 AAVSO
-69 9.2 2421178 1916-11-10 2421180 1916-11-12 -2 SVO
-68 9.7 2421507 1917-10-05 2421512 1917-10-10 -5 SVO
-67 9.1 2421837 1918-08-31 2421845 1918-09-08 -8 SVO
-66 10.2 2422165 1919-07-25 2422178 1919-08-07 -13 AAVSO
-65 9.4 2422496 1920-06-20 2422510 1920-07-04 -14 AAVSO
-64   2422829 1921-05-19 2422843 1921-06-02 -14 AAVSO
-63 9.8 2423159 1922-04-14 2423176 1922-05-01 -17 SVO
-62 8.6 2423490 1923-03-11 2423508 1923-03-29 -18 SVO
-61 10.6 2423825 1924-02-09 2423841 1924-02-25 -16 SVO
-60 10.1 2424157 1925-01-06 2424174 1925-01-23 -17 SVO
-59 9.3 2424485 1925-11-30 2424507 1925-12-22 -22 SVO
-58 10.1 2424816 1926-10-27 2424839 1926-11-19 -23 SVO
-57 10.0 2425153 1927-09-29 2425172 1927-10-18 -19 SVO
-56 9.3 2425487 1928-08-28 2425505 1928-09-15 -18 SVO
-55 9.3 2425821 1929-07-28 2425837 1929-08-13 -16 SVO
-54 9.7 2426160 1930-07-02 2426170 1930-07-12 -10 SVO
-53 9.0 2426484 1931-05-22 2426503 1931-06-10 -19 SVO
-52 10.6 2426823 1932-04-25 2426835 1932-05-07 -12 AAVSO
-51 9.5 2427150 1933-03-18 2427168 1933-04-05 -18 SVO
-50 9.7 2427490 1934-02-21 2427501 1934-03-04 -11 SVO
-49 9.1 2427824 1935-01-21 2427834 1935-01-31 -10 SVO
-48 10.2 2428155 1935-12-18 2428166 1935-12-29 -11 SVO
-47 9.4 2428493 1936-11-20 2428499 1936-11-26 -6 SVO
-46 9.6 2428820 1937-10-13 2428832 1937-10-25 -12 SVO
-45 9.3 2429162 1938-09-20 2429164 1938-09-22 -2 SVO
-44 9.3 2429494 1939-08-18 2429497 1939-08-21 -3 SVO
-43 9.5 2429822 1940-07-11 2429830 1940-07-19 -8 AAVSO
-42   2430154 1941-06-08 2430163 1941-06-17 -9 AAVSO
-41 9.5 2430492 1942-05-12 2430495 1942-05-15 -3 AAVSO
-40 9.7 2430843 1943-04-28 2430828 1943-04-13 15 SVO
-39 9.2 2431168 1944-03-18 2431161 1944-03-11 7 SVO
-38 9.0 2431510 1945-02-23 2431493 1945-02-06 17 AAVSO
-37 9.2 2431839 1946-01-18 2431826 1946-01-05 13 SVO
-36 9.9 2432171 1946-12-16 2432159 1946-12-04 12 SVO
-35 8.9 2432490 1947-10-31 2432491 1947-11-01 -1 SVO
-34 9.9 2432826 1948-10-01 2432824 1948-09-29 2 SVO
-33 9.1 2433170 1949-09-10 2433157 1949-08-28 13 SVO
-32 10.0 2433499 1950-08-05 2433490 1950-07-27 9 SVO
-31 9.3 2433819 1951-06-21 2433822 1951-06-24 -3 AAVSO
-30 10.0 2434161 1952-05-28 2434155 1952-05-22 6 AAVSO
-29 9.2 2434498 1953-04-30 2434488 1953-04-20 10 SVO
-28 9.0 2434834 1954-04-01 2434820 1954-03-18 14 AAVSO
-27 9.6 2435157 1955-02-18 2435153 1955-02-14 4 SVO
-26 9.1 2435494 1956-01-21 2435486 1956-01-13 8 SVO
-25 10.5 2435827 1956-12-19 2435818 1956-12-10 9 SVO
-24 9.7 2436162 1957-11-19 2436151 1957-11-08 11 SVO
-23 9.5 2436487 1958-10-10 2436484 1958-10-07 3 SVO
-22 9.5 2436824 1959-09-12 2436817 1959-09-05 7 SVO
-21 9.3 2437163 1960-08-16 2437149 1960-08-02 14 SVO
-20 10.5 2437497 1961-07-16 2437482 1961-07-01 15 AAVSO
-19 9.6 2437824 1962-06-08 2437815 1962-05-30 9 AAVSO
-18 9.6 2438156 1963-05-06 2438147 1963-04-27 9 AAVSO
-17 9.4 2438484 1964-03-29 2438480 1964-03-25 4 SVO
-16 10.1 2438818 1965-02-26 2438813 1965-02-21 5 SVO
-15 8.8 2439147 1966-01-21 2439145 1966-01-19 2 SVO
-14 9.5 2439462 1966-12-02 2439478 1966-12-18 -16 SVO
-13 9.6 2439813 1967-11-18 2439811 1967-11-16 2 SVO
-12 10.1 2440148 1968-10-18 2440144 1968-10-14 4 SVO
-11 9.2 2440471 1969-09-06 2440476 1969-09-11 -5 SVO
-10 9.0 2440801 1970-08-02 2440809 1970-08-10 -8 SVO
-9 9.6 2441143 1971-07-10 2441142 1971-07-09 1 SVO
-8 9.9 2441475 1972-06-06 2441474 1972-06-05 1 SVO
-7 9.4 2441803 1973-04-30 2441807 1973-05-04 -4 SVO
-6 9.3 2442135 1974-03-28 2442140 1974-04-02 -5 SVO
-5 10.0 2442475 1975-03-03 2442473 1975-03-01 2 SVO
-4 9.4 2442800 1976-01-22 2442805 1976-01-27 -5 SVO
-3 9.2 2443131 1976-12-18 2443138 1976-12-25 -7 SVO
-2 10.3 2443467 1977-11-19 2443471 1977-11-23 -4 SVO
-1 9.6 2443799 1978-10-17 2443803 1978-10-21 -4 SVO
0 9.7 2444134 1979-09-17 2444136 1979-09-19 -2 SVO
1 9.9 2444467 1980-08-15 2444469 1980-08-17 -2 SVO
2 9.3 2444796 1981-07-10 2444801 1981-07-15 -5 SVO
3 9.4 2445125 1982-06-04 2445134 1982-06-13 -9 SVO
4 9.8 2445463 1983-05-08 2445467 1983-05-12 -4 SVO
5 9.4 2445795 1984-04-04 2445800 1984-04-09 -5 SVO
6 9.0 2446120 1985-02-23 2446132 1985-03-07 -12 SVO
7 10.7 2446464 1986-02-02 2446465 1986-02-03 -1 SVO
8 9.4 2446785 1986-12-20 2446798 1987-01-02 -13 SVO
9 9.1 2447122 1987-11-22 2447130 1987-11-30 -8 SVO
10 10.3 2447455 1988-10-20 2447463 1988-10-28 -8 SVO
11 9.7 2447792 1989-09-22 2447796 1989-09-26 -4 SVO
12 9.5 2448119 1990-08-15 2448128 1990-08-24 -9 SVO
13 9.0 2448449 1991-07-11 2448461 1991-07-23 -12 SVO
14 9.7 2448791 1992-06-17 2448794 1992-06-20 -3 SVO
15 9.6 2449128 1993-05-20 2449127 1993-05-19 1 SVO
16 9.6 2449456 1994-04-13 2449459 1994-04-16 -3 SVO
17 9.1 2449776 1995-02-27 2449792 1995-03-15 -16 SVO
18 10.0 2450109 1996-01-26 2450125 1996-02-11 -16 SVO
19 9.7 2450453 1997-01-04 2450457 1997-01-08 -4 SVO
20 10.0 2450789 1997-12-06 2450790 1997-12-07 -1 SVO
21 10.0 2451116 1998-10-29 2451123 1998-11-05 -7 SVO
22 8.6 2451436 1999-09-14 2451456 1999-10-04 -20 SVO
23 9.8 2451784 2000-08-27 2451788 2000-08-31 -4 SVO
24 9.8 2452117 2001-07-26 2452121 2001-07-30 -4 SVO
25 9.3 2452446 2002-06-20 2452454 2002-06-28 -8 SVO
26 10.1 2452781 2003-05-21 2452786 2003-05-26 -5 SVO
27 9.1 2453114 2004-04-18 2453119 2004-04-23 -5 SVO
28 9.6 2453450 2005-03-20 2453452 2005-03-22 -2 SVO
29 9.4 2453777 2006-02-10 2453784 2006-02-17 -7 SVO
30 9.1 2454106 2007-01-05 2454117 2007-01-16 -11 SVO
31 9.5 2454445 2007-12-10 2454450 2007-12-15 -5 SVO
32 9.2 2454777 2008-11-06 2454783 2008-11-12 -6 SVO
33 9.7 2455115 2009-10-10 2455115 2009-10-10 0 SVO
34 9.2 2455444 2010-09-04 2455448 2010-09-08 -4 SVO
35 9.9 2455781 2011-08-07 2455781 2011-08-07 0 SVO
36 9.3 2456120 2012-07-11 2456113 2012-07-04 7 SVO
37 10.1 2456448 2013-06-04 2456446 2013-06-02 2 SVO
38 9.1 2456781 2014-05-03 2456779 2014-05-01 2 SVO
39 10.5 2457129 2015-04-16 2457111 2015-03-29 18 SVO
40 10.2 2457465 2016-03-17 2457444 2016-02-25 21 AAVSO
41 8.7 2457787 2017-02-02 2457777 2017-01-23 10 SVO
42 10.1 2458128 2018-01-09 2458110 2017-12-22 18 SVO
43 9.4 2458463 2018-12-10 2458442 2018-11-19 21 SVO
44 9.8 2458801 2019-11-13 2458775 2019-10-18 26 SVO
45 9.0 2459130 2020-10-07 2459108 2020-09-15 22 SVO
46 9.7 2459461 2021-09-03 2459440 2021-08-13 21 SVO
47 9.8 2459789 2022-07-28 2459773 2022-07-12 16 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.