Maxima for Y And
Period: 220.90, Epoch: 2449502.8
AAVSO offset: 1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-155   2415291 1900-09-28 2415264 1900-09-01 27 AAVSO
-153   2415735 1901-12-16 2415705 1901-11-16 30 AAVSO
-152   2415961 1902-07-30 2415926 1902-06-25 35 AAVSO
-150   2416384 1903-09-26 2416368 1903-09-10 16 AAVSO
-149   2416601 1904-04-30 2416589 1904-04-18 12 AAVSO
-148 8.8 2416820 1904-12-05 2416810 1904-11-25 10 AAVSO
-147   2417053 1905-07-26 2417031 1905-07-04 22 AAVSO
-146   2417287 1906-03-17 2417252 1906-02-10 35 AAVSO
-145 8.8 2417502 1906-10-18 2417473 1906-09-19 29 AAVSO
-143 8.8 2417935 1907-12-25 2417914 1907-12-04 21 AAVSO
-141 9.2 2418379 1909-03-13 2418356 1909-02-18 23 AAVSO
-140 9.0 2418599 1909-10-19 2418577 1909-09-27 22 AAVSO
-139   2418813 1910-05-21 2418798 1910-05-06 15 AAVSO
-138 8.6 2419022 1910-12-16 2419019 1910-12-13 3 SVO
-137   2419251 1911-08-02 2419240 1911-07-22 11 AAVSO
-136 9.0 2419461 1912-02-28 2419461 1912-02-28 0 SVO
-135 9.6 2419682 1912-10-06 2419682 1912-10-06 0 SVO
-134 9.0 2419918 1913-05-30 2419903 1913-05-15 15 AAVSO
-133 9.0 2420124 1913-12-22 2420123 1913-12-21 1 SVO
-132 9.2 2420361 1914-08-16 2420344 1914-07-30 17 AAVSO
-131   2420571 1915-03-14 2420565 1915-03-08 6 AAVSO
-130 9.6 2420799 1915-10-28 2420786 1915-10-15 13 AAVSO
-129   2421010 1916-05-26 2421007 1916-05-23 3 AAVSO
-128 8.7 2421225 1916-12-27 2421228 1916-12-30 -3 AAVSO
-127 9.6 2421461 1917-08-20 2421449 1917-08-08 12 AAVSO
-126   2421697 1918-04-13 2421670 1918-03-17 27 AAVSO
-125 9.5 2421914 1918-11-16 2421891 1918-10-24 23 AAVSO
-124   2422131 1919-06-21 2422112 1919-06-02 19 AAVSO
-123 8.6 2422335 1920-01-11 2422332 1920-01-08 3 AAVSO
-122 9.9 2422557 1920-08-20 2422553 1920-08-16 4 AAVSO
-121 8.5 2422771 1921-03-22 2422774 1921-03-25 -3 AAVSO
-120 8.7 2422987 1921-10-24 2422995 1921-11-01 -8 SVO
-119 9.1 2423215 1922-06-09 2423216 1922-06-10 -1 AAVSO
-118 9.5 2423438 1923-01-18 2423437 1923-01-17 1 SVO
-117 9.2 2423654 1923-08-22 2423658 1923-08-26 -4 SVO
-116 8.4 2423863 1924-03-18 2423879 1924-04-03 -16 AAVSO
-115 9.2 2424095 1924-11-05 2424100 1924-11-10 -5 SVO
-114 9.3 2424328 1925-06-26 2424320 1925-06-18 8 AAVSO
-113 8.6 2424538 1926-01-22 2424541 1926-01-25 -3 SVO
-112 9.0 2424761 1926-09-02 2424762 1926-09-03 -1 AAVSO
-111   2424991 1927-04-20 2424983 1927-04-12 8 AAVSO
-110 8.6 2425196 1927-11-11 2425204 1927-11-19 -8 SVO
-109   2425421 1928-06-23 2425425 1928-06-27 -4 AAVSO
-108 8.7 2425635 1929-01-23 2425646 1929-02-03 -11 SVO
-107 9.3 2425857 1929-09-02 2425867 1929-09-12 -10 SVO
-106 8.7 2426081 1930-04-14 2426088 1930-04-21 -7 SVO
-105 9.8 2426305 1930-11-24 2426309 1930-11-28 -4 SVO
-104 9.4 2426527 1931-07-04 2426529 1931-07-06 -2 AAVSO
-103 9.5 2426749 1932-02-11 2426750 1932-02-12 -1 SVO
-102 9.0 2426966 1932-09-15 2426971 1932-09-20 -5 SVO
-101 8.8 2427183 1933-04-20 2427192 1933-04-29 -9 SVO
-100 9.9 2427417 1933-12-10 2427413 1933-12-06 4 SVO
-99 9.3 2427635 1934-07-16 2427634 1934-07-15 1 SVO
-98 9.2 2427852 1935-02-18 2427855 1935-02-21 -3 SVO
-97 9.2 2428078 1935-10-02 2428076 1935-09-30 2 SVO
-96 8.8 2428294 1936-05-05 2428297 1936-05-08 -3 AAVSO
-95 8.8 2428512 1936-12-09 2428518 1936-12-15 -6 SVO
-94 9.4 2428731 1937-07-16 2428738 1937-07-23 -7 AAVSO
-93 9.9 2428961 1938-03-03 2428959 1938-03-01 2 AAVSO
-92 8.8 2429171 1938-09-29 2429180 1938-10-08 -9 SVO
-91   2429394 1939-05-10 2429401 1939-05-17 -7 AAVSO
-90 9.1 2429619 1939-12-21 2429622 1939-12-24 -3 SVO
-89 9.1 2429831 1940-07-20 2429843 1940-08-01 -12 AAVSO
-88 8.6 2430051 1941-02-25 2430064 1941-03-10 -13 AAVSO
-87 9.4 2430278 1941-10-10 2430285 1941-10-17 -7 SVO
-86   2430499 1942-05-19 2430506 1942-05-26 -7 AAVSO
-85 8.9 2430715 1942-12-21 2430727 1943-01-02 -12 SVO
-84 9.1 2430936 1943-07-30 2430947 1943-08-10 -11 SVO
-83 9.7 2431162 1944-03-12 2431168 1944-03-18 -6 AAVSO
-82 8.7 2431380 1944-10-16 2431389 1944-10-25 -9 SVO
-81   2431606 1945-05-30 2431610 1945-06-03 -4 AAVSO
-80 9.3 2431824 1946-01-03 2431831 1946-01-10 -7 SVO
-79 9.2 2432047 1946-08-14 2432052 1946-08-19 -5 SVO
-78 8.7 2432263 1947-03-18 2432273 1947-03-28 -10 AAVSO
-77 8.6 2432477 1947-10-18 2432494 1947-11-04 -17 SVO
-76   2432695 1948-05-23 2432715 1948-06-12 -20 AAVSO
-75 9.3 2432929 1949-01-12 2432935 1949-01-18 -6 SVO
-74 9.9 2433149 1949-08-20 2433156 1949-08-27 -7 SVO
-73 9.6 2433365 1950-03-24 2433377 1950-04-05 -12 AAVSO
-72 9.3 2433597 1950-11-11 2433598 1950-11-12 -1 SVO
-71   2433812 1951-06-14 2433819 1951-06-21 -7 AAVSO
-70 9.7 2434030 1952-01-18 2434040 1952-01-28 -10 SVO
-69 9.0 2434249 1952-08-24 2434261 1952-09-05 -12 SVO
-68   2434472 1953-04-04 2434482 1953-04-14 -10 AAVSO
-67 9.3 2434693 1953-11-11 2434703 1953-11-21 -10 SVO
-66 9.6 2434911 1954-06-17 2434924 1954-06-30 -13 AAVSO
-65 9.7 2435138 1955-01-30 2435144 1955-02-05 -6 AAVSO
-64 8.9 2435359 1955-09-08 2435365 1955-09-14 -6 SVO
-63   2435578 1956-04-14 2435586 1956-04-22 -8 AAVSO
-62 8.9 2435791 1956-11-13 2435807 1956-11-29 -16 SVO
-61 9.6 2436011 1957-06-21 2436028 1957-07-08 -17 AAVSO
-60 9.9 2436244 1958-02-09 2436249 1958-02-14 -5 SVO
-59 8.6 2436461 1958-09-14 2436470 1958-09-23 -9 SVO
-58   2436688 1959-04-29 2436691 1959-05-02 -3 AAVSO
-57 9.4 2436908 1959-12-05 2436912 1959-12-09 -4 SVO
-56 10.0 2437133 1960-07-17 2437133 1960-07-17 0 AAVSO
-55 9.2 2437356 1961-02-25 2437353 1961-02-22 3 SVO
-54 9.4 2437578 1961-10-05 2437574 1961-10-01 4 SVO
-53   2437794 1962-05-09 2437795 1962-05-10 -1 AAVSO
-52 9.5 2438020 1962-12-21 2438016 1962-12-17 4 SVO
-51 9.2 2438245 1963-08-03 2438237 1963-07-26 8 SVO
-50 8.7 2438462 1964-03-07 2438458 1964-03-03 4 AAVSO
-49 9.4 2438689 1964-10-20 2438679 1964-10-10 10 SVO
-48   2438902 1965-05-21 2438900 1965-05-19 2 AAVSO
-47 8.7 2439121 1965-12-26 2439121 1965-12-26 0 SVO
-46 10.0 2439350 1966-08-12 2439341 1966-08-03 9 SVO
-45 9.6 2439566 1967-03-16 2439562 1967-03-12 4 AAVSO
-44 9.3 2439783 1967-10-19 2439783 1967-10-19 0 SVO
-43   2440001 1968-05-24 2440004 1968-05-27 -3 AAVSO
-42 10.0 2440228 1969-01-06 2440225 1969-01-03 3 SVO
-41 9.1 2440443 1969-08-09 2440446 1969-08-12 -3 AAVSO
-40 9.8 2440668 1970-03-22 2440667 1970-03-21 1 AAVSO
-39 9.3 2440876 1970-10-16 2440888 1970-10-28 -12 SVO
-38   2441101 1971-05-29 2441109 1971-06-06 -8 AAVSO
-37 9.1 2441310 1971-12-24 2441330 1972-01-13 -20 SVO
-36 8.7 2441529 1972-07-30 2441550 1972-08-20 -21 AAVSO
-35 9.2 2441751 1973-03-09 2441771 1973-03-29 -20 AAVSO
-34 8.7 2441977 1973-10-21 2441992 1973-11-05 -15 SVO
-33   2442198 1974-05-30 2442213 1974-06-14 -15 AAVSO
-32 8.9 2442419 1975-01-06 2442434 1975-01-21 -15 SVO
-31 9.3 2442643 1975-08-18 2442655 1975-08-30 -12 SVO
-30 9.9 2442861 1976-03-23 2442876 1976-04-07 -15 AAVSO
-29 8.9 2443085 1976-11-02 2443097 1976-11-14 -12 SVO
-28 9.0 2443301 1977-06-06 2443318 1977-06-23 -17 AAVSO
-27 9.2 2443525 1978-01-16 2443539 1978-01-30 -14 SVO
-26 9.9 2443747 1978-08-26 2443759 1978-09-07 -12 SVO
-25 8.6 2443960 1979-03-27 2443980 1979-04-16 -20 AAVSO
-24 9.6 2444183 1979-11-05 2444201 1979-11-23 -18 SVO
-23 9.8 2444400 1980-06-09 2444422 1980-07-01 -22 AAVSO
-22 9.3 2444618 1981-01-13 2444643 1981-02-07 -25 SVO
-21 9.2 2444844 1981-08-27 2444864 1981-09-16 -20 SVO
-20 8.9 2445058 1982-03-29 2445085 1982-04-25 -27 SVO
-19 9.2 2445279 1982-11-05 2445306 1982-12-02 -27 SVO
-18 8.7 2445506 1983-06-20 2445527 1983-07-11 -21 AAVSO
-17 9.6 2445726 1984-01-26 2445748 1984-02-17 -22 SVO
-16 9.9 2445958 1984-09-14 2445968 1984-09-24 -10 SVO
-15 8.9 2446161 1985-04-05 2446189 1985-05-03 -28 SVO
-14 9.6 2446391 1985-11-21 2446410 1985-12-10 -19 SVO
-13 9.1 2446610 1986-06-28 2446631 1986-07-19 -21 AAVSO
-12 9.7 2446836 1987-02-09 2446852 1987-02-25 -16 SVO
-11 9.1 2447057 1987-09-18 2447073 1987-10-04 -16 SVO
-10   2447274 1988-04-22 2447294 1988-05-12 -20 AAVSO
-9 9.4 2447505 1988-12-09 2447515 1988-12-19 -10 SVO
-8 9.5 2447729 1989-07-21 2447736 1989-07-28 -7 SVO
-7   2447944 1990-02-21 2447956 1990-03-05 -12 AAVSO
-6 9.0 2448156 1990-09-21 2448177 1990-10-12 -21 SVO
-5   2448388 1991-05-11 2448398 1991-05-21 -10 AAVSO
-4 9.2 2448604 1991-12-13 2448619 1991-12-28 -15 SVO
-3   2448826 1992-07-22 2448840 1992-08-05 -14 AAVSO
-2   2449045 1993-02-26 2449061 1993-03-14 -16 AAVSO
-1 9.4 2449273 1993-10-12 2449282 1993-10-21 -9 SVO
0   2449492 1994-05-19 2449503 1994-05-30 -11 AAVSO
1 9.2 2449720 1995-01-02 2449724 1995-01-06 -4 SVO
2 8.8 2449933 1995-08-03 2449945 1995-08-15 -12 SVO
3 10.4 2450158 1996-03-15 2450165 1996-03-22 -7 SVO
4 9.7 2450389 1996-11-01 2450386 1996-10-29 3 SVO
5   2450614 1997-06-14 2450607 1997-06-07 7 AAVSO
6 9.7 2450828 1998-01-14 2450828 1998-01-14 0 SVO
7 9.2 2451052 1998-08-26 2451049 1998-08-23 3 SVO
8   2451278 1999-04-09 2451270 1999-04-01 8 AAVSO
9 9.4 2451500 1999-11-17 2451491 1999-11-08 9 SVO
10   2451724 2000-06-28 2451712 2000-06-16 12 AAVSO
11 9.5 2451936 2001-01-26 2451933 2001-01-23 3 SVO
12 9.0 2452160 2001-09-07 2452154 2001-09-01 6 SVO
13   2452382 2002-04-17 2452374 2002-04-09 8 AAVSO
14 8.5 2452593 2002-11-14 2452595 2002-11-16 -2 SVO
15   2452815 2003-06-24 2452816 2003-06-25 -1 AAVSO
16 9.8 2453037 2004-02-01 2453037 2004-02-01 0 SVO
17 8.9 2453258 2004-09-09 2453258 2004-09-09 0 SVO
18 10.0 2453486 2005-04-25 2453479 2005-04-18 7 SVO
19 9.2 2453712 2005-12-07 2453700 2005-11-25 12 SVO
20   2453929 2006-07-12 2453921 2006-07-04 8 AAVSO
21 8.9 2454151 2007-02-19 2454142 2007-02-10 9 SVO
22 9.8 2454377 2007-10-03 2454363 2007-09-19 14 SVO
23   2454609 2008-05-22 2454583 2008-04-26 26 AAVSO
24 9.2 2454822 2008-12-21 2454804 2008-12-03 18 SVO
25 9.2 2455046 2009-08-02 2455025 2009-07-12 21 SVO
26 9.4 2455259 2010-03-03 2455246 2010-02-18 13 AAVSO
27 8.7 2455485 2010-10-15 2455467 2010-09-27 18 SVO
28 9.7 2455703 2011-05-21 2455688 2011-05-06 15 AAVSO
29 9.3 2455938 2012-01-11 2455909 2011-12-13 29 SVO
30 8.6 2456156 2012-08-16 2456130 2012-07-21 26 SVO
31 9.7 2456378 2013-03-26 2456351 2013-02-27 27 SVO
32 9.2 2456601 2013-11-04 2456571 2013-10-05 30 SVO
33 9.3 2456827 2014-06-18 2456792 2014-05-14 35 SVO
34 8.7 2457039 2015-01-16 2457013 2014-12-21 26 SVO
35 9.6 2457264 2015-08-29 2457234 2015-07-30 30 SVO
36 9.2 2457480 2016-04-01 2457455 2016-03-07 25 SVO
37 9.5 2457704 2016-11-11 2457676 2016-10-14 28 SVO
38 9.0 2457922 2017-06-17 2457897 2017-05-23 25 AAVSO
39 9.6 2458140 2018-01-21 2458118 2017-12-30 22 SVO
40 8.9 2458351 2018-08-20 2458339 2018-08-08 12 SVO
41 9.6 2458576 2019-04-02 2458560 2019-03-17 16 SVO
42 9.4 2458793 2019-11-05 2458780 2019-10-23 13 SVO
43   2459015 2020-06-14 2459001 2020-05-31 14 SVO
44 8.9 2459225 2021-01-10 2459222 2021-01-07 3 SVO
45 8.8 2459451 2021-08-24 2459443 2021-08-16 8 SVO
46   2459680 2022-04-10 2459664 2022-03-25 16 SVO
47 8.8 2459892 2022-11-08 2459885 2022-11-01 7 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.