Maxima for Y Lib
Period: 275.86, Epoch: 2444036.5
AAVSO offset: -5

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-117   2411790 1891-02-26 2411761 1891-01-28 29 SVO
-114   2412648 1893-07-03 2412589 1893-05-05 59 AnHar, 1909, vol 55, p 95
-113   2412895 1894-03-07 2412865 1894-02-05 30 SVO
-111   2413459 1895-09-22 2413416 1895-08-10 43 AnHar, 1909, vol 55, p 95
-110   2413719 1896-06-08 2413692 1896-05-12 27 AnHar, 1909, vol 55, p 95
-109   2414010 1897-03-26 2413968 1897-02-12 42 AnHar, 1909, vol 55, p 95
-106   2414832 1899-06-26 2414796 1899-05-21 36 SVO
-105   2415111 1900-04-01 2415071 1900-02-20 40 SVO
-102   2415937 1902-07-06 2415899 1902-05-29 38 SVO
-101   2416220 1903-04-15 2416175 1903-03-01 45 AnHar, 1952, vol 115
-98   2417034 1905-07-07 2417002 1905-06-05 32 AAVSO
-97   2417311 1906-04-10 2417278 1906-03-08 33 AAVSO
-96   2417573 1906-12-28 2417554 1906-12-09 19 AAVSO
-95   2417842 1907-09-23 2417830 1907-09-11 12 AAVSO
-94   2418145 1908-07-22 2418106 1908-06-13 39 AAVSO
-93 7.8 2418397 1909-03-31 2418382 1909-03-16 15 AAVSO
-92   2418675 1910-01-03 2418658 1909-12-17 17 AAVSO
-90   2419227 1911-07-09 2419209 1911-06-21 18 AAVSO
-89 8.0 2419511 1912-04-18 2419485 1912-03-23 26 AAVSO
-88   2419795 1913-01-27 2419761 1912-12-24 34 AAVSO
-87   2420069 1913-10-28 2420037 1913-09-26 32 AAVSO
-86 8.8 2420334 1914-07-20 2420313 1914-06-29 21 AAVSO
-85 8.4 2420614 1915-04-26 2420589 1915-04-01 25 AAVSO
-84 8.8 2420899 1916-02-05 2420864 1916-01-01 35 AAVSO
-83   2421157 1916-10-20 2421140 1916-10-03 17 AAVSO
-82 7.5 2421441 1917-07-31 2421416 1917-07-06 25 AAVSO
-81 9.0 2421721 1918-05-07 2421692 1918-04-08 29 AAVSO
-80   2421999 1919-02-09 2421968 1919-01-09 31 AAVSO
-79   2422263 1919-10-31 2422244 1919-10-12 19 AAVSO
-78 8.4 2422539 1920-08-02 2422520 1920-07-14 19 AAVSO
-77 9.0 2422821 1921-05-11 2422795 1921-04-15 26 SVO
-76 7.6 2423090 1922-02-04 2423071 1922-01-16 19 AAVSO
-75   2423365 1922-11-06 2423347 1922-10-19 18 AAVSO
-74 8.4 2423644 1923-08-12 2423623 1923-07-22 21 AAVSO
-73 8.3 2423918 1924-05-12 2423899 1924-04-23 19 AAVSO
-72 9.0 2424175 1925-01-24 2424175 1925-01-24 0 AAVSO
-71   2424458 1925-11-03 2424451 1925-10-27 7 AAVSO
-70 9.4 2424726 1926-07-29 2424726 1926-07-29 0 AAVSO
-69 8.6 2424991 1927-04-20 2425002 1927-05-01 -11 AAVSO
-68 8.5 2425264 1928-01-18 2425278 1928-02-01 -14 AAVSO
-67 8.5 2425538 1928-10-18 2425554 1928-11-03 -16 SVO
-66 9.3 2425806 1929-07-13 2425830 1929-08-06 -24 SVO
-65 8.4 2426081 1930-04-14 2426106 1930-05-09 -25 SVO
-64 8.9 2426358 1931-01-16 2426382 1931-02-09 -24 SVO
-63   2426635 1931-10-20 2426657 1931-11-11 -22 AAVSO
-62 8.1 2426905 1932-07-16 2426933 1932-08-13 -28 SVO
-61 8.7 2427185 1933-04-22 2427209 1933-05-16 -24 SVO
-60 8.5 2427457 1934-01-19 2427485 1934-02-16 -28 AAVSO
-59   2427724 1934-10-13 2427761 1934-11-19 -37 AAVSO
-58 8.0 2427995 1935-07-11 2428037 1935-08-22 -42 SVO
-57 9.4 2428274 1936-04-15 2428313 1936-05-24 -39 SVO
-56 8.6 2428562 1937-01-28 2428588 1937-02-23 -26 AAVSO
-55   2428826 1937-10-19 2428864 1937-11-26 -38 AAVSO
-54 8.8 2429096 1938-07-16 2429140 1938-08-29 -44 AAVSO
-53 8.0 2429365 1939-04-11 2429416 1939-06-01 -51 AAVSO
-52 9.1 2429650 1940-01-21 2429692 1940-03-03 -42 AAVSO
-51   2429933 1940-10-30 2429968 1940-12-04 -35 AAVSO
-50 8.7 2430215 1941-08-08 2430244 1941-09-06 -29 AAVSO
-49 8.9 2430493 1942-05-13 2430519 1942-06-08 -26 SVO
-48 8.8 2430769 1943-02-13 2430795 1943-03-11 -26 AAVSO
-47   2431045 1943-11-16 2431071 1943-12-12 -26 AAVSO
-46 8.4 2431319 1944-08-16 2431347 1944-09-13 -28 AAVSO
-45 8.1 2431596 1945-05-20 2431623 1945-06-16 -27 SVO
-44 8.5 2431861 1946-02-09 2431899 1946-03-19 -38 AAVSO
-43   2432145 1946-11-20 2432175 1946-12-20 -30 AAVSO
-42 8.4 2432425 1947-08-27 2432450 1947-09-21 -25 AAVSO
-41 8.8 2432706 1948-06-03 2432726 1948-06-23 -20 SVO
-40 8.4 2432973 1949-02-25 2433002 1949-03-26 -29 AAVSO
-39 9.2 2433255 1949-12-04 2433278 1949-12-27 -23 AAVSO
-38 8.3 2433536 1950-09-11 2433554 1950-09-29 -18 AAVSO
-37 8.6 2433821 1951-06-23 2433830 1951-07-02 -9 SVO
-36 8.8 2434092 1952-03-20 2434106 1952-04-03 -14 AAVSO
-35   2434363 1952-12-16 2434381 1953-01-03 -18 AAVSO
-34 10.6 2434639 1953-09-18 2434657 1953-10-06 -18 AAVSO
-33 8.6 2434922 1954-06-28 2434933 1954-07-09 -11 SVO
-32 9.0 2435191 1955-03-24 2435209 1955-04-11 -18 AAVSO
-31   2435461 1955-12-19 2435485 1956-01-12 -24 AAVSO
-30   2435743 1956-09-26 2435761 1956-10-14 -18 AAVSO
-29 8.4 2436026 1957-07-06 2436037 1957-07-17 -11 AAVSO
-28 9.6 2436293 1958-03-30 2436312 1958-04-18 -19 AAVSO
-27   2436575 1959-01-06 2436588 1959-01-19 -13 AAVSO
-26   2436846 1959-10-04 2436864 1959-10-22 -18 AAVSO
-25 9.3 2437117 1960-07-01 2437140 1960-07-24 -23 SVO
-24 8.4 2437398 1961-04-08 2437416 1961-04-26 -18 AAVSO
-23 8.2 2437678 1962-01-13 2437692 1962-01-27 -14 AAVSO
-22   2437947 1962-10-09 2437968 1962-10-30 -21 AAVSO
-21 8.6 2438223 1963-07-12 2438243 1963-08-01 -20 SVO
-20 8.6 2438500 1964-04-14 2438519 1964-05-03 -19 SVO
-19 8.6 2438774 1965-01-13 2438795 1965-02-03 -21 AAVSO
-18   2439057 1965-10-23 2439071 1965-11-06 -14 AAVSO
-17 8.5 2439333 1966-07-26 2439347 1966-08-09 -14 SVO
-16 8.8 2439603 1967-04-22 2439623 1967-05-12 -20 SVO
-15 9.0 2439885 1968-01-29 2439899 1968-02-12 -14 AAVSO
-14   2440160 1968-10-30 2440174 1968-11-13 -14 AAVSO
-13 8.1 2440432 1969-07-29 2440450 1969-08-16 -18 AAVSO
-12 9.0 2440704 1970-04-27 2440726 1970-05-19 -22 SVO
-11 8.5 2440977 1971-01-25 2441002 1971-02-19 -25 AAVSO
-10   2441256 1971-10-31 2441278 1971-11-22 -22 AAVSO
-9 9.1 2441534 1972-08-04 2441554 1972-08-24 -20 AAVSO
-8 8.9 2441805 1973-05-02 2441830 1973-05-27 -25 SVO
-7 8.8 2442087 1974-02-08 2442105 1974-02-26 -18 AAVSO
-6   2442357 1974-11-05 2442381 1974-11-29 -24 AAVSO
-5 8.5 2442638 1975-08-13 2442657 1975-09-01 -19 AAVSO
-4 9.2 2442916 1976-05-17 2442933 1976-06-03 -17 SVO
-3 8.7 2443204 1977-03-01 2443209 1977-03-06 -5 SVO
-2   2443474 1977-11-26 2443485 1977-12-07 -11 AAVSO
-1 8.6 2443752 1978-08-31 2443761 1978-09-09 -9 SVO
0 8.7 2444024 1979-05-30 2444036 1979-06-11 -12 SVO
1 8.7 2444305 1980-03-06 2444312 1980-03-13 -7 SVO
2 8.7 2444572 1980-11-28 2444588 1980-12-14 -16 AAVSO
3 8.4 2444848 1981-08-31 2444864 1981-09-16 -16 AAVSO
4 9.2 2445131 1982-06-10 2445140 1982-06-19 -9 SVO
5 8.5 2445409 1983-03-15 2445416 1983-03-22 -7 SVO
6 8.9 2445683 1983-12-14 2445692 1983-12-23 -9 AAVSO
7 9.3 2445952 1984-09-08 2445967 1984-09-23 -15 AAVSO
8 8.8 2446226 1985-06-09 2446243 1985-06-26 -17 SVO
9 9.1 2446504 1986-03-14 2446519 1986-03-29 -15 SVO
10 8.7 2446791 1986-12-26 2446795 1986-12-30 -4 AAVSO
11 9.0 2447053 1987-09-14 2447071 1987-10-02 -18 SVO
12 8.9 2447341 1988-06-28 2447347 1988-07-04 -6 SVO
13 8.7 2447614 1989-03-28 2447623 1989-04-06 -9 SVO
14   2447893 1990-01-01 2447898 1990-01-06 -5 AAVSO
15 9.2 2448175 1990-10-10 2448174 1990-10-09 1 SVO
16 8.9 2448451 1991-07-13 2448450 1991-07-12 1 SVO
17 8.2 2448722 1992-04-09 2448726 1992-04-13 -4 SVO
18   2448999 1993-01-11 2449002 1993-01-14 -3 AAVSO
19 8.9 2449276 1993-10-15 2449278 1993-10-17 -2 SVO
20 8.9 2449551 1994-07-17 2449554 1994-07-20 -3 SVO
21 8.2 2449818 1995-04-10 2449829 1995-04-21 -11 SVO
22 9.2 2450102 1996-01-19 2450105 1996-01-22 -3 SVO
23 9.0 2450383 1996-10-26 2450381 1996-10-24 2 SVO
24 8.7 2450652 1997-07-22 2450657 1997-07-27 -5 SVO
25 8.4 2450926 1998-04-22 2450933 1998-04-29 -7 SVO
26 9.4 2451202 1999-01-23 2451209 1999-01-30 -7 SVO
27 8.8 2451482 1999-10-30 2451485 1999-11-02 -3 SVO
28 9.2 2451766 2000-08-09 2451760 2000-08-03 6 SVO
29 9.1 2452050 2001-05-20 2452036 2001-05-06 14 SVO
30 8.9 2452326 2002-02-20 2452312 2002-02-06 14 SVO
31   2452590 2002-11-11 2452588 2002-11-09 2 AAVSO
32 8.7 2452875 2003-08-23 2452864 2003-08-12 11 SVO
33 8.4 2453155 2004-05-29 2453140 2004-05-14 15 SVO
34 8.1 2453430 2005-02-28 2453416 2005-02-14 14 SVO
35   2453706 2005-12-01 2453691 2005-11-16 15 AAVSO
36 8.4 2453977 2006-08-29 2453967 2006-08-19 10 SVO
37 9.1 2454266 2007-06-14 2454243 2007-05-22 23 SVO
38 8.9 2454538 2008-03-12 2454519 2008-02-22 19 SVO
39 8.3 2454812 2008-12-11 2454795 2008-11-24 17 AAVSO
40 9.4 2455094 2009-09-19 2455071 2009-08-27 23 SVO
41 9.2 2455374 2010-06-26 2455347 2010-05-30 27 SVO
42 8.9 2455652 2011-03-31 2455622 2011-03-01 30 SVO
43 8.9 2455929 2012-01-02 2455898 2011-12-02 31 AAVSO
44 8.7 2456213 2012-10-12 2456174 2012-09-03 39 SVO
45 8.8 2456485 2013-07-11 2456450 2013-06-06 35 SVO
46 8.6 2456762 2014-04-14 2456726 2014-03-09 36 SVO
47 8.2 2457037 2015-01-14 2457002 2014-12-10 35 AAVSO
48 9.6 2457309 2015-10-13 2457278 2015-09-12 31 SVO
49 9.0 2457586 2016-07-16 2457553 2016-06-13 33 SVO
50 9.1 2457861 2017-04-17 2457829 2017-03-16 32 SVO
51 8.4 2458133 2018-01-14 2458105 2017-12-17 28 SVO
52   2458415 2018-10-23 2458381 2018-09-19 34 SVO
53 9.3 2458684 2019-07-19 2458657 2019-06-22 27 SVO
54 9.3 2458957 2020-04-17 2458933 2020-03-24 24 SVO
55 8.7 2459231 2021-01-16 2459209 2020-12-25 22 SVO
56 8.7 2459505 2021-10-17 2459484 2021-09-26 21 SVO
57 9.5 2459787 2022-07-26 2459760 2022-06-29 27 SVO
58 8.4 2460059 2023-04-24 2460036 2023-04-01 23 SVO
59 9.2 2460336 2024-01-26 2460312 2024-01-02 24 SVO
60 8.6 2460617 2024-11-02 2460588 2024-10-04 29 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.