Maxima for Y Cas
Period: 413.27, Epoch: 2444538.0
AAVSO offset: -2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-74   2413933 1897-01-08 2413956 1897-01-31 -23 AnHar, 1909, vol 55, p 95
-73   2414360 1898-03-11 2414369 1898-03-20 -9 AnHar, 1909, vol 55, p 95
-72 10.0 2414751 1899-04-06 2414783 1899-05-08 -32 SVO
-71 10.5 2415175 1900-06-04 2415196 1900-06-25 -21 SVO
-70   2415590 1901-07-24 2415609 1901-08-12 -19 AnHar, 1909, vol 55, p 95
-69   2416000 1902-09-07 2416022 1902-09-29 -22 AnHar, 1909, vol 55, p 95
-68   2416398 1903-10-10 2416436 1903-11-17 -38 AnHar, 1909, vol 55, p 95
-67 9.4 2416793 1904-11-08 2416849 1905-01-03 -56 SVO
-66 10.3 2417220 1906-01-09 2417262 1906-02-20 -42 AAVSO
-65 8.7 2417622 1907-02-15 2417676 1907-04-10 -54 AAVSO
-64   2418072 1908-05-10 2418089 1908-05-27 -17 AAVSO
-63   2418462 1909-06-04 2418502 1909-07-14 -40 AAVSO
-62   2418888 1910-08-04 2418915 1910-08-31 -27 AAVSO
-61   2419286 1911-09-06 2419329 1911-10-19 -43 AAVSO
-60 9.6 2419700 1912-10-24 2419742 1912-12-05 -42 SVO
-59 9.7 2420125 1913-12-23 2420155 1914-01-22 -30 SVO
-58   2420563 1915-03-06 2420568 1915-03-11 -5 GuL, 1920, 1.2
-57   2420998 1916-05-14 2420982 1916-04-28 16 AAVSO
-56 9.2 2421418 1917-07-08 2421395 1917-06-15 23 AAVSO
-55 10.4 2421815 1918-08-09 2421808 1918-08-02 7 AAVSO
-54 9.5 2422242 1919-10-10 2422221 1919-09-19 21 SVO
-53 9.9 2422665 1920-12-06 2422635 1920-11-06 30 SVO
-52 9.9 2423094 1922-02-08 2423048 1921-12-24 46 SVO
-51 9.5 2423509 1923-03-30 2423461 1923-02-10 48 SVO
-50   2423933 1924-05-27 2423875 1924-03-30 58 AAVSO
-49 10.0 2424354 1925-07-22 2424288 1925-05-17 66 AAVSO
-48 10.0 2424769 1926-09-10 2424701 1926-07-04 68 AAVSO
-47 10.2 2425189 1927-11-04 2425114 1927-08-21 75 AAVSO
-46 10.1 2425581 1928-11-30 2425528 1928-10-08 53 SVO
-45 9.8 2425988 1930-01-11 2425941 1929-11-25 47 SVO
-44 10.3 2426407 1931-03-06 2426354 1931-01-12 53 SVO
-43 9.5 2426802 1932-04-04 2426767 1932-02-29 35 SVO
-42 10.2 2427218 1933-05-25 2427181 1933-04-18 37 SVO
-41 10.1 2427614 1934-06-25 2427594 1934-06-05 20 AAVSO
-40 9.8 2428030 1935-08-15 2428007 1935-07-23 23 SVO
-39 10.6 2428446 1936-10-04 2428421 1936-09-09 25 SVO
-38 10.0 2428857 1937-11-19 2428834 1937-10-27 23 SVO
-37 9.9 2429260 1938-12-27 2429247 1938-12-14 13 SVO
-36 9.4 2429668 1940-02-08 2429660 1940-01-31 8 AAVSO
-35 10.2 2430088 1941-04-03 2430074 1941-03-20 14 AAVSO
-34 9.6 2430491 1942-05-11 2430487 1942-05-07 4 SVO
-33 10.1 2430898 1943-06-22 2430900 1943-06-24 -2 AAVSO
-32 10.0 2431310 1944-08-07 2431313 1944-08-10 -3 AAVSO
-31 9.9 2431724 1945-09-25 2431727 1945-09-28 -3 SVO
-30 10.0 2432143 1946-11-18 2432140 1946-11-15 3 SVO
-29 9.7 2432556 1948-01-05 2432553 1948-01-02 3 SVO
-28 10.7 2432964 1949-02-16 2432966 1949-02-18 -2 SVO
-27   2433379 1950-04-07 2433380 1950-04-08 -1 AAVSO
-26 9.7 2433796 1951-05-29 2433793 1951-05-26 3 AAVSO
-25 10.8 2434213 1952-07-19 2434206 1952-07-12 7 AAVSO
-24 10.2 2434619 1953-08-29 2434620 1953-08-30 -1 SVO
-23 10.6 2435033 1954-10-17 2435033 1954-10-17 0 SVO
-22 9.7 2435438 1955-11-26 2435446 1955-12-04 -8 SVO
-21 10.1 2435852 1957-01-13 2435859 1957-01-20 -7 SVO
-20 10.2 2436272 1958-03-09 2436273 1958-03-10 -1 SVO
-19 9.9 2436694 1959-05-05 2436686 1959-04-27 8 SVO
-18 10.0 2437094 1960-06-08 2437099 1960-06-13 -5 AAVSO
-17 10.4 2437507 1961-07-26 2437512 1961-07-31 -5 AAVSO
-16 9.7 2437939 1962-10-01 2437926 1962-09-18 13 SVO
-15 9.6 2438345 1963-11-11 2438339 1963-11-05 6 SVO
-14 9.9 2438775 1965-01-14 2438752 1964-12-22 23 SVO
-13 10.4 2439188 1966-03-03 2439165 1966-02-08 23 SVO
-12 10.2 2439605 1967-04-24 2439579 1967-03-29 26 SVO
-11 10.3 2440024 1968-06-16 2439992 1968-05-15 32 SVO
-10 10.0 2440430 1969-07-27 2440405 1969-07-02 25 SVO
-9 9.9 2440834 1970-09-04 2440819 1970-08-20 15 SVO
-8 9.6 2441255 1971-10-30 2441232 1971-10-07 23 SVO
-7 10.4 2441663 1972-12-11 2441645 1972-11-23 18 SVO
-6 10.1 2442070 1974-01-22 2442058 1974-01-10 12 SVO
-5 10.7 2442475 1975-03-03 2442472 1975-02-28 3 SVO
-4 10.2 2442891 1976-04-22 2442885 1976-04-16 6 SVO
-3 9.5 2443274 1977-05-10 2443298 1977-06-03 -24 SVO
-2 10.0 2443690 1978-06-30 2443711 1978-07-21 -21 SVO
-1 9.6 2444090 1979-08-04 2444125 1979-09-08 -35 SVO
0 10.2 2444505 1980-09-22 2444538 1980-10-25 -33 SVO
1 10.3 2444918 1981-11-09 2444951 1981-12-12 -33 SVO
2 10.1 2445330 1982-12-26 2445364 1983-01-29 -34 SVO
3 10.1 2445743 1984-02-12 2445778 1984-03-18 -35 SVO
4 10.5 2446140 1985-03-15 2446191 1985-05-05 -51 SVO
5 10.5 2446562 1986-05-11 2446604 1986-06-22 -42 SVO
6 9.9 2446963 1987-06-16 2447018 1987-08-10 -55 SVO
7 9.9 2447375 1988-08-01 2447431 1988-09-26 -56 SVO
8 10.8 2447781 1989-09-11 2447844 1989-11-13 -63 SVO
9 10.1 2448190 1990-10-25 2448257 1990-12-31 -67 SVO
10 10.5 2448598 1991-12-07 2448671 1992-02-18 -73 SVO
11 10.1 2449020 1993-02-01 2449084 1993-04-06 -64 SVO
12 10.0 2449438 1994-03-26 2449497 1994-05-24 -59 SVO
13 10.5 2449869 1995-05-31 2449910 1995-07-11 -41 SVO
14 10.0 2450292 1996-07-27 2450324 1996-08-28 -32 SVO
15 10.6 2450713 1997-09-21 2450737 1997-10-15 -24 SVO
16 10.0 2451127 1998-11-09 2451150 1998-12-02 -23 SVO
17 9.8 2451528 1999-12-15 2451564 2000-01-20 -36 SVO
18 10.3 2451955 2001-02-14 2451977 2001-03-08 -22 SVO
19 10.6 2452379 2002-04-14 2452390 2002-04-25 -11 SVO
20 10.3 2452807 2003-06-16 2452803 2003-06-12 4 SVO
21 9.9 2453220 2004-08-02 2453217 2004-07-30 3 SVO
22 10.6 2453637 2005-09-23 2453630 2005-09-16 7 SVO
23 10.4 2454060 2006-11-20 2454043 2006-11-03 17 SVO
24 9.6 2454472 2008-01-06 2454456 2007-12-21 16 SVO
25 10.4 2454889 2009-02-26 2454870 2009-02-07 19 SVO
26 10.0 2455301 2010-04-14 2455283 2010-03-27 18 SVO
27 9.8 2455712 2011-05-30 2455696 2011-05-14 16 SVO
28 10.0 2456133 2012-07-24 2456109 2012-06-30 24 SVO
29 10.5 2456556 2013-09-20 2456523 2013-08-18 33 SVO
30 10.3 2456964 2014-11-02 2456936 2014-10-05 28 SVO
31 9.8 2457378 2015-12-21 2457349 2015-11-22 29 SVO
32 10.0 2457789 2017-02-04 2457763 2017-01-09 26 SVO
33 10.1 2458209 2018-03-31 2458176 2018-02-26 33 SVO
34 10.1 2458627 2019-05-23 2458589 2019-04-15 38 SVO
35 9.9 2459046 2020-07-15 2459002 2020-06-01 44 SVO
36 9.7 2459454 2021-08-27 2459416 2021-07-20 38 SVO
37 10.1 2459866 2022-10-13 2459829 2022-09-06 37 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.