Maxima for Y Mon
Period: 229.85, Epoch: 2440629.1
AAVSO offset: 2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-116   2413950 1897-01-25 2413966 1897-02-10 -16 SVO
-113   2414650 1898-12-26 2414656 1899-01-01 -6 SVO
-110   2415316 1900-10-23 2415345 1900-11-21 -29 GuL, 1918, 1.1
-108   2415790 1902-02-09 2415805 1902-02-24 -15 AnHar, 1909, vol 55, p 95
-107   2416030 1902-10-07 2416035 1902-10-12 -5 SVO
-105   2416474 1903-12-25 2416494 1904-01-14 -20 SVO
-104   2416714 1904-08-21 2416724 1904-08-31 -10 AAVSO
-103 8.5 2416932 1905-03-27 2416954 1905-04-18 -22 AAVSO
-102   2417167 1905-11-17 2417184 1905-12-04 -17 AAVSO
-101   2417399 1906-07-07 2417414 1906-07-22 -15 AAVSO
-100   2417610 1907-02-03 2417644 1907-03-09 -34 AAVSO
-99   2417849 1907-09-30 2417874 1907-10-25 -25 AAVSO
-98   2418084 1908-05-22 2418103 1908-06-10 -19 AAVSO
-97 8.8 2418306 1908-12-30 2418333 1909-01-26 -27 AAVSO
-96   2418544 1909-08-25 2418563 1909-09-13 -19 AAVSO
-95 8.5 2418772 1910-04-10 2418793 1910-05-01 -21 SVO
-94   2418998 1910-11-22 2419023 1910-12-17 -25 AAVSO
-93   2419233 1911-07-15 2419253 1911-08-04 -20 AAVSO
-92 8.9 2419449 1912-02-16 2419482 1912-03-20 -33 AAVSO
-91   2419677 1912-10-01 2419712 1912-11-05 -35 AAVSO
-90   2419934 1913-06-15 2419942 1913-06-23 -8 AAVSO
-89 9.0 2420156 1914-01-23 2420172 1914-02-08 -16 SVO
-88   2420382 1914-09-06 2420402 1914-09-26 -20 AAVSO
-87 8.9 2420609 1915-04-21 2420632 1915-05-14 -23 AAVSO
-86 9.0 2420835 1915-12-03 2420862 1915-12-30 -27 AAVSO
-85   2421072 1916-07-27 2421091 1916-08-15 -19 AAVSO
-84 9.0 2421281 1917-02-21 2421321 1917-04-02 -40 SVO
-83   2421519 1917-10-17 2421551 1917-11-18 -32 AAVSO
-82 9.3 2421749 1918-06-04 2421781 1918-07-06 -32 AAVSO
-81 9.0 2421974 1919-01-15 2422011 1919-02-21 -37 SVO
-80   2422204 1919-09-02 2422241 1919-10-09 -37 AAVSO
-79 9.3 2422421 1920-04-06 2422471 1920-05-26 -50 SVO
-78 9.5 2422663 1920-12-04 2422700 1921-01-10 -37 SVO
-77   2422892 1921-07-21 2422930 1921-08-28 -38 AAVSO
-76 9.2 2423110 1922-02-24 2423160 1922-04-15 -50 SVO
-75 8.8 2423341 1922-10-13 2423390 1922-12-01 -49 AAVSO
-74   2423571 1923-05-31 2423620 1923-07-19 -49 AAVSO
-73 9.2 2423802 1924-01-17 2423850 1924-03-05 -48 SVO
-72   2424025 1924-08-27 2424080 1924-10-21 -55 AAVSO
-71 8.6 2424253 1925-04-12 2424309 1925-06-07 -56 AAVSO
-70 9.1 2424483 1925-11-28 2424539 1926-01-23 -56 AAVSO
-69   2424713 1926-07-16 2424769 1926-09-10 -56 AAVSO
-68 8.9 2424947 1927-03-07 2424999 1927-04-28 -52 SVO
-67 9.0 2425182 1927-10-28 2425229 1927-12-14 -47 AAVSO
-66   2425422 1928-06-24 2425459 1928-07-31 -37 AAVSO
-65 9.0 2425662 1929-02-19 2425689 1929-03-18 -27 SVO
-64 9.2 2425895 1929-10-10 2425918 1929-11-02 -23 SVO
-63 8.7 2426109 1930-05-12 2426148 1930-06-20 -39 AAVSO
-62 8.7 2426343 1931-01-01 2426378 1931-02-05 -35 SVO
-61 9.3 2426573 1931-08-19 2426608 1931-09-23 -35 AAVSO
-60 9.5 2426811 1932-04-13 2426838 1932-05-10 -27 AAVSO
-59 8.9 2427052 1932-12-10 2427068 1932-12-26 -16 SVO
-58   2427268 1933-07-14 2427298 1933-08-13 -30 AAVSO
-57 9.3 2427514 1934-03-17 2427527 1934-03-30 -13 SVO
-56 9.4 2427748 1934-11-06 2427757 1934-11-15 -9 SVO
-55   2427975 1935-06-21 2427987 1935-07-03 -12 AAVSO
-54 9.7 2428214 1936-02-15 2428217 1936-02-18 -3 SVO
-53 9.7 2428453 1936-10-11 2428447 1936-10-05 6 AAVSO
-52 9.0 2428683 1937-05-29 2428677 1937-05-23 6 AAVSO
-51 9.3 2428919 1938-01-20 2428907 1938-01-08 12 SVO
-50   2429152 1938-09-10 2429136 1938-08-25 16 AAVSO
-49 8.6 2429383 1939-04-29 2429366 1939-04-12 17 AAVSO
-48 8.7 2429615 1939-12-17 2429596 1939-11-28 19 SVO
-47   2429850 1940-08-08 2429826 1940-07-15 24 AAVSO
-46 9.5 2430095 1941-04-10 2430056 1941-03-02 39 AAVSO
-45 9.2 2430331 1941-12-02 2430286 1941-10-18 45 SVO
-44   2430558 1942-07-17 2430515 1942-06-04 43 AAVSO
-43 9.1 2430795 1943-03-11 2430745 1943-01-20 50 SVO
-42 8.9 2431022 1943-10-24 2430975 1943-09-07 47 AAVSO
-41   2431262 1944-06-20 2431205 1944-04-24 57 AAVSO
-40 9.1 2431489 1945-02-02 2431435 1944-12-10 54 SVO
-39 9.4 2431712 1945-09-13 2431665 1945-07-28 47 AAVSO
-38 9.2 2431958 1946-05-17 2431895 1946-03-15 63 AAVSO
-37 9.0 2432192 1947-01-06 2432124 1946-10-30 68 AAVSO
-36   2432422 1947-08-24 2432354 1947-06-17 68 AAVSO
-35 8.9 2432651 1948-04-09 2432584 1948-02-02 67 AAVSO
-34 9.0 2432876 1948-11-20 2432814 1948-09-19 62 SVO
-33   2433106 1949-07-08 2433044 1949-05-07 62 AAVSO
-32 8.8 2433334 1950-02-21 2433274 1949-12-23 60 SVO
-31 9.5 2433572 1950-10-17 2433504 1950-08-10 68 AAVSO
-30 8.7 2433798 1951-05-31 2433733 1951-03-27 65 AAVSO
-29 9.3 2434026 1952-01-14 2433963 1951-11-12 63 SVO
-28   2434260 1952-09-04 2434193 1952-06-29 67 AAVSO
-27 9.2 2434490 1953-04-22 2434423 1953-02-14 67 AAVSO
-26 9.0 2434710 1953-11-28 2434653 1953-10-02 57 SVO
-25   2434943 1954-07-19 2434883 1954-05-20 60 AAVSO
-24 9.1 2435163 1955-02-24 2435113 1955-01-05 50 SVO
-23   2435390 1955-10-09 2435342 1955-08-22 48 AAVSO
-22   2435621 1956-05-27 2435572 1956-04-08 49 AAVSO
-21 9.0 2435855 1957-01-16 2435802 1956-11-24 53 SVO
-20 9.2 2436083 1957-09-01 2436032 1957-07-12 51 AAVSO
-19 9.1 2436308 1958-04-14 2436262 1958-02-27 46 AAVSO
-18 9.2 2436543 1958-12-05 2436492 1958-10-15 51 SVO
-17   2436770 1959-07-20 2436722 1959-06-02 48 AAVSO
-16 9.3 2437000 1960-03-06 2436951 1960-01-17 49 SVO
-15 9.4 2437222 1960-10-14 2437181 1960-09-03 41 AAVSO
-14   2437451 1961-05-31 2437411 1961-04-21 40 AAVSO
-13 9.0 2437679 1962-01-14 2437641 1961-12-07 38 SVO
-12   2437911 1962-09-03 2437871 1962-07-25 40 AAVSO
-11 9.1 2438152 1963-05-02 2438101 1963-03-12 51 AAVSO
-10 9.0 2438369 1963-12-05 2438331 1963-10-28 38 SVO
-9   2438607 1964-07-30 2438560 1964-06-13 47 AAVSO
-8 9.6 2438831 1965-03-11 2438790 1965-01-29 41 SVO
-7 9.3 2439055 1965-10-21 2439020 1965-09-16 35 AAVSO
-6   2439281 1966-06-04 2439250 1966-05-04 31 AAVSO
-5 9.1 2439500 1967-01-09 2439480 1966-12-20 20 SVO
-4 9.2 2439720 1967-08-17 2439710 1967-08-07 10 AAVSO
-3 9.0 2439952 1968-04-05 2439940 1968-03-24 12 AAVSO
-2 9.0 2440190 1968-11-29 2440169 1968-11-08 21 AAVSO
-1   2440415 1969-07-12 2440399 1969-06-26 16 AAVSO
0 9.1 2440641 1970-02-23 2440629 1970-02-11 12 SVO
1 9.4 2440868 1970-10-08 2440859 1970-09-29 9 AAVSO
2 9.1 2441094 1971-05-22 2441089 1971-05-17 5 AAVSO
3 9.1 2441327 1972-01-10 2441319 1972-01-02 8 SVO
4   2441551 1972-08-21 2441548 1972-08-18 3 AAVSO
5 8.8 2441788 1973-04-15 2441778 1973-04-05 10 AAVSO
6 9.0 2442013 1973-11-26 2442008 1973-11-21 5 SVO
7   2442246 1974-07-17 2442238 1974-07-09 8 AAVSO
8 9.3 2442473 1975-03-01 2442468 1975-02-24 5 SVO
9 9.2 2442701 1975-10-15 2442698 1975-10-12 3 AAVSO
10 10.9 2442932 1976-06-02 2442928 1976-05-29 4 AAVSO
11 9.2 2443172 1977-01-28 2443157 1977-01-13 15 SVO
12 9.2 2443394 1977-09-07 2443387 1977-08-31 7 AAVSO
13 9.1 2443620 1978-04-21 2443617 1978-04-18 3 AAVSO
14 9.1 2443842 1978-11-29 2443847 1978-12-04 -5 SVO
15   2444074 1979-07-19 2444077 1979-07-22 -3 AAVSO
16 9.1 2444305 1980-03-06 2444307 1980-03-08 -2 SVO
17 9.8 2444548 1980-11-04 2444537 1980-10-24 11 SVO
18   2444765 1981-06-09 2444766 1981-06-10 -1 AAVSO
19 9.3 2445006 1982-02-05 2444996 1982-01-26 10 SVO
20 9.7 2445233 1982-09-20 2445226 1982-09-13 7 AAVSO
21 9.1 2445454 1983-04-29 2445456 1983-05-01 -2 AAVSO
22 9.4 2445690 1983-12-21 2445686 1983-12-17 4 SVO
23   2445920 1984-08-07 2445916 1984-08-03 4 AAVSO
24 9.8 2446160 1985-04-04 2446146 1985-03-21 14 SVO
25 9.5 2446391 1985-11-21 2446375 1985-11-05 16 SVO
26   2446617 1986-07-05 2446605 1986-06-23 12 AAVSO
27 9.2 2446846 1987-02-19 2446835 1987-02-08 11 SVO
28   2447072 1987-10-03 2447065 1987-09-26 7 AAVSO
29   2447303 1988-05-21 2447295 1988-05-13 8 AAVSO
30 9.3 2447540 1989-01-13 2447525 1988-12-29 15 SVO
31   2447766 1989-08-27 2447755 1989-08-16 11 AAVSO
32   2447999 1990-04-17 2447984 1990-04-02 15 AAVSO
33 9.1 2448230 1990-12-04 2448214 1990-11-18 16 SVO
34   2448461 1991-07-23 2448444 1991-07-06 17 AAVSO
35 8.9 2448696 1992-03-14 2448674 1992-02-21 22 SVO
36   2448931 1992-11-04 2448904 1992-10-08 27 AAVSO
37   2449158 1993-06-19 2449134 1993-05-26 24 AAVSO
38 8.9 2449388 1994-02-04 2449364 1994-01-11 24 SVO
39   2449612 1994-09-16 2449593 1994-08-28 19 AAVSO
40   2449846 1995-05-08 2449823 1995-04-15 23 AAVSO
41 9.1 2450067 1995-12-15 2450053 1995-12-01 14 SVO
42   2450296 1996-07-31 2450283 1996-07-18 13 AAVSO
43 9.2 2450529 1997-03-21 2450513 1997-03-05 16 SVO
44 9.2 2450760 1997-11-07 2450743 1997-10-21 17 SVO
45   2450983 1998-06-18 2450972 1998-06-07 11 AAVSO
46 9.1 2451212 1999-02-02 2451202 1999-01-23 10 SVO
47   2451442 1999-09-20 2451432 1999-09-10 10 AAVSO
48   2451672 2000-05-07 2451662 2000-04-27 10 AAVSO
49 9.3 2451898 2000-12-19 2451892 2000-12-13 6 SVO
50   2452131 2001-08-09 2452122 2001-07-31 9 AAVSO
51 9.3 2452353 2002-03-19 2452352 2002-03-18 1 SVO
52 8.9 2452576 2002-10-28 2452581 2002-11-02 -5 SVO
53   2452803 2003-06-12 2452811 2003-06-20 -8 AAVSO
54 9.9 2453035 2004-01-30 2453041 2004-02-05 -6 SVO
55   2453253 2004-09-04 2453271 2004-09-22 -18 AAVSO
56   2453491 2005-04-30 2453501 2005-05-10 -10 AAVSO
57 9.3 2453712 2005-12-07 2453731 2005-12-26 -19 SVO
58   2453937 2006-07-20 2453961 2006-08-13 -24 AAVSO
59 9.1 2454165 2007-03-05 2454190 2007-03-30 -25 SVO
60   2454396 2007-10-22 2454420 2007-11-15 -24 AAVSO
61   2454628 2008-06-10 2454650 2008-07-02 -22 AAVSO
62 8.8 2454851 2009-01-19 2454880 2009-02-17 -29 SVO
63   2455075 2009-08-31 2455110 2009-10-05 -35 AAVSO
64 9.1 2455301 2010-04-14 2455340 2010-05-23 -39 AAVSO
65 8.8 2455531 2010-11-30 2455570 2011-01-08 -39 SVO
66   2455756 2011-07-13 2455799 2011-08-25 -43 AAVSO
67 9.1 2455992 2012-03-05 2456029 2012-04-11 -37 SVO
68 8.7 2456225 2012-10-24 2456259 2012-11-27 -34 SVO
69   2456452 2013-06-08 2456489 2013-07-15 -37 AAVSO
70 8.8 2456684 2014-01-26 2456719 2014-03-02 -35 SVO
71 9.3 2456910 2014-09-09 2456949 2014-10-18 -39 AAVSO
72 9.3 2457144 2015-05-01 2457179 2015-06-05 -35 AAVSO
73 8.6 2457366 2015-12-09 2457408 2016-01-20 -42 SVO
74   2457591 2016-07-21 2457638 2016-09-06 -47 AAVSO
75 8.9 2457817 2017-03-04 2457868 2017-04-24 -51 SVO
76 9.1 2458054 2017-10-27 2458098 2017-12-10 -44 SVO
77   2458275 2018-06-05 2458328 2018-07-28 -53 SVO
78 8.8 2458508 2019-01-24 2458558 2019-03-15 -50 SVO
79   2458730 2019-09-03 2458788 2019-10-31 -58 SVO
80 8.9 2458964 2020-04-24 2459017 2020-06-16 -53 SVO
81 9.0 2459198 2020-12-14 2459247 2021-02-01 -49 SVO
82   2459425 2021-07-29 2459477 2021-09-19 -52 SVO
83 8.6 2459650 2022-03-11 2459707 2022-05-07 -57 SVO
84 9.2 2459886 2022-11-02 2459937 2022-12-23 -51 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.