Maxima for S Lac
Period: 240.07, Epoch: 2443815.9
AAVSO offset: -3

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-129   2412854 1894-01-25 2412847 1894-01-18 7 AnHar, 1909, vol 55, p 95
-128   2413089 1894-09-17 2413087 1894-09-15 2 AnHar, 1909, vol 55, p 95
-126   2413569 1896-01-10 2413568 1896-01-09 1 AnHar, 1909, vol 55, p 95
-125   2413801 1896-08-29 2413808 1896-09-05 -7 AnHar, 1909, vol 55, p 95
-123   2414278 1897-12-19 2414288 1897-12-29 -10 AnHar, 1909, vol 55, p 95
-122   2414519 1898-08-17 2414528 1898-08-26 -9 AnHar, 1909, vol 55, p 95
-117   2415700 1901-11-11 2415728 1901-12-09 -28 AnHar, 1952, vol 118
-116   2415960 1902-07-29 2415968 1902-08-06 -8 AnHar, 1952, vol 118
-114   2416412 1903-10-24 2416448 1903-11-29 -36 AnHar, 1909, vol 55, p 95
-113 8.1 2416645 1904-06-13 2416688 1904-07-26 -43 AAVSO
-112   2416894 1905-02-17 2416929 1905-03-24 -35 AAVSO
-111 8.3 2417130 1905-10-11 2417169 1905-11-19 -39 AAVSO
-110   2417385 1906-06-23 2417409 1906-07-17 -24 AAVSO
-109   2417629 1907-02-22 2417649 1907-03-14 -20 AAVSO
-108 8.0 2417861 1907-10-12 2417889 1907-11-09 -28 AAVSO
-107 8.3 2418099 1908-06-06 2418129 1908-07-06 -30 AAVSO
-106 8.6 2418338 1909-01-31 2418369 1909-03-03 -31 AAVSO
-105 7.7 2418575 1909-09-25 2418609 1909-10-29 -34 SVO
-104 8.1 2418825 1910-06-02 2418849 1910-06-26 -24 AAVSO
-103 8.8 2419059 1911-01-22 2419089 1911-02-21 -30 SVO
-102 8.2 2419315 1911-10-05 2419329 1911-10-19 -14 AAVSO
-101   2419559 1912-06-05 2419569 1912-06-15 -10 AAVSO
-100 8.6 2419801 1913-02-02 2419809 1913-02-10 -8 AAVSO
-99 7.9 2420039 1913-09-28 2420049 1913-10-08 -10 SVO
-97 8.4 2420513 1915-01-15 2420530 1915-02-01 -17 AAVSO
-96 8.6 2420765 1915-09-24 2420770 1915-09-29 -5 AAVSO
-95 8.2 2420985 1916-05-01 2421010 1916-05-26 -25 AAVSO
-94 8.1 2421229 1916-12-31 2421250 1917-01-21 -21 AAVSO
-93 8.3 2421485 1917-09-13 2421490 1917-09-18 -5 SVO
-92 8.3 2421732 1918-05-18 2421730 1918-05-16 2 SVO
-91 8.1 2421979 1919-01-20 2421970 1919-01-11 9 AAVSO
-90 8.3 2422212 1919-09-10 2422210 1919-09-08 2 SVO
-89 8.2 2422457 1920-05-12 2422450 1920-05-05 7 AAVSO
-88 7.9 2422701 1921-01-11 2422690 1920-12-31 11 SVO
-87 8.5 2422943 1921-09-10 2422930 1921-08-28 13 SVO
-86 7.9 2423182 1922-05-07 2423170 1922-04-25 12 SVO
-85 8.1 2423419 1922-12-30 2423410 1922-12-21 9 SVO
-84 7.8 2423667 1923-09-04 2423650 1923-08-18 17 SVO
-83 7.8 2423898 1924-04-22 2423890 1924-04-14 8 AAVSO
-82 8.1 2424148 1924-12-28 2424131 1924-12-11 17 SVO
-81 8.5 2424393 1925-08-30 2424371 1925-08-08 22 SVO
-80 8.2 2424636 1926-04-30 2424611 1926-04-05 25 AAVSO
-79 8.1 2424880 1926-12-30 2424851 1926-12-01 29 SVO
-78 8.2 2425121 1927-08-28 2425091 1927-07-29 30 SVO
-77 8.2 2425367 1928-04-30 2425331 1928-03-25 36 AAVSO
-76 8.0 2425612 1928-12-31 2425571 1928-11-20 41 SVO
-75 8.9 2425859 1929-09-04 2425811 1929-07-18 48 SVO
-74 8.0 2426103 1930-05-06 2426051 1930-03-15 52 SVO
-73 7.7 2426333 1930-12-22 2426291 1930-11-10 42 SVO
-72 8.2 2426574 1931-08-20 2426531 1931-07-08 43 SVO
-71 8.3 2426823 1932-04-25 2426771 1932-03-04 52 SVO
-70 8.5 2427064 1932-12-22 2427011 1932-10-30 53 SVO
-69 8.0 2427305 1933-08-20 2427251 1933-06-27 54 SVO
-68 7.8 2427541 1934-04-13 2427491 1934-02-22 50 AAVSO
-67 7.8 2427786 1934-12-14 2427732 1934-10-21 54 SVO
-66 8.3 2428024 1935-08-09 2427972 1935-06-18 52 SVO
-65 8.2 2428259 1936-03-31 2428212 1936-02-13 47 AAVSO
-64 8.3 2428509 1936-12-06 2428452 1936-10-10 57 SVO
-63 8.6 2428752 1937-08-06 2428692 1937-06-07 60 SVO
-62 7.9 2428987 1938-03-29 2428932 1938-02-02 55 SVO
-61 8.4 2429221 1938-11-18 2429172 1938-09-30 49 SVO
-60 8.3 2429463 1939-07-18 2429412 1939-05-28 51 SVO
-59 8.5 2429699 1940-03-10 2429652 1940-01-23 47 AAVSO
-58 8.7 2429934 1940-10-31 2429892 1940-09-19 42 SVO
-57 8.2 2430169 1941-06-23 2430132 1941-05-17 37 AAVSO
-56 8.3 2430403 1942-02-12 2430372 1942-01-12 31 AAVSO
-55 7.8 2430636 1942-10-03 2430612 1942-09-09 24 SVO
-54 8.3 2430872 1943-05-27 2430852 1943-05-07 20 AAVSO
-53 8.7 2431117 1944-01-27 2431092 1944-01-02 25 SVO
-52 8.3 2431357 1944-09-23 2431332 1944-08-29 25 SVO
-51   2431595 1945-05-19 2431573 1945-04-27 22 AAVSO
-50 8.5 2431827 1946-01-06 2431813 1945-12-23 14 AAVSO
-49 8.0 2432062 1946-08-29 2432053 1946-08-20 9 SVO
-48   2432287 1947-04-11 2432293 1947-04-17 -6 AAVSO
-47 8.0 2432524 1947-12-04 2432533 1947-12-13 -9 SVO
-46 8.4 2432771 1948-08-07 2432773 1948-08-09 -2 SVO
-45 8.0 2433017 1949-04-10 2433013 1949-04-06 4 AAVSO
-44 8.3 2433255 1949-12-04 2433253 1949-12-02 2 SVO
-43 8.8 2433498 1950-08-04 2433493 1950-07-30 5 SVO
-42   2433738 1951-04-01 2433733 1951-03-27 5 AAVSO
-41 8.1 2433962 1951-11-11 2433973 1951-11-22 -11 SVO
-40 8.1 2434201 1952-07-07 2434213 1952-07-19 -12 SVO
-39 8.7 2434447 1953-03-10 2434453 1953-03-16 -6 AAVSO
-38 8.5 2434692 1953-11-10 2434693 1953-11-11 -1 SVO
-37 7.9 2434926 1954-07-02 2434933 1954-07-09 -7 AAVSO
-36 7.9 2435163 1955-02-24 2435174 1955-03-07 -11 AAVSO
-35 8.2 2435398 1955-10-17 2435414 1955-11-02 -16 SVO
-34 8.7 2435647 1956-06-22 2435654 1956-06-29 -7 AAVSO
-33 8.2 2435879 1957-02-09 2435894 1957-02-24 -15 SVO
-32 8.3 2436109 1957-09-27 2436134 1957-10-22 -25 SVO
-31 8.6 2436352 1958-05-28 2436374 1958-06-19 -22 AAVSO
-30 8.5 2436578 1959-01-09 2436614 1959-02-14 -36 AAVSO
-29 8.2 2436827 1959-09-15 2436854 1959-10-12 -27 SVO
-28   2437059 1960-05-04 2437094 1960-06-08 -35 AAVSO
-27 8.4 2437295 1960-12-26 2437334 1961-02-03 -39 SVO
-26 7.9 2437536 1961-08-24 2437574 1961-10-01 -38 SVO
-25   2437772 1962-04-17 2437814 1962-05-29 -42 AAVSO
-24 8.3 2438008 1962-12-09 2438054 1963-01-24 -46 SVO
-23 8.3 2438253 1963-08-11 2438294 1963-09-21 -41 SVO
-22 8.6 2438499 1964-04-13 2438534 1964-05-18 -35 AAVSO
-21 8.7 2438744 1964-12-14 2438775 1965-01-14 -31 SVO
-20 8.1 2438977 1965-08-04 2439015 1965-09-11 -38 SVO
-19 8.2 2439221 1966-04-05 2439255 1966-05-09 -34 AAVSO
-18 8.5 2439464 1966-12-04 2439495 1967-01-04 -31 SVO
-17 8.3 2439702 1967-07-30 2439735 1967-09-01 -33 SVO
-16 8.0 2439940 1968-03-24 2439975 1968-04-28 -35 SVO
-15 8.2 2440180 1968-11-19 2440215 1968-12-24 -35 SVO
-14 8.2 2440423 1969-07-20 2440455 1969-08-21 -32 SVO
-13 8.4 2440665 1970-03-19 2440695 1970-04-18 -30 SVO
-12 8.6 2440916 1970-11-25 2440935 1970-12-14 -19 SVO
-11 8.1 2441156 1971-07-23 2441175 1971-08-11 -19 SVO
-10 8.8 2441401 1972-03-24 2441415 1972-04-07 -14 SVO
-9 8.1 2441631 1972-11-09 2441655 1972-12-03 -24 SVO
-8 8.5 2441875 1973-07-11 2441895 1973-07-31 -20 SVO
-7 8.2 2442111 1974-03-04 2442135 1974-03-28 -24 SVO
-6 8.1 2442355 1974-11-03 2442376 1974-11-24 -21 SVO
-5 8.7 2442598 1975-07-04 2442616 1975-07-22 -18 SVO
-4 8.4 2442847 1976-03-09 2442856 1976-03-18 -9 SVO
-3 8.5 2443089 1976-11-06 2443096 1976-11-13 -7 SVO
-2 8.4 2443334 1977-07-09 2443336 1977-07-11 -2 SVO
-1 7.9 2443569 1978-03-01 2443576 1978-03-08 -7 SVO
0 8.0 2443806 1978-10-24 2443816 1978-11-03 -10 SVO
1 8.0 2444050 1979-06-25 2444056 1979-07-01 -6 SVO
2 8.7 2444293 1980-02-23 2444296 1980-02-26 -3 SVO
3 8.1 2444536 1980-10-23 2444536 1980-10-23 0 SVO
4 8.4 2444775 1981-06-19 2444776 1981-06-20 -1 SVO
5 8.3 2445013 1982-02-12 2445016 1982-02-15 -3 SVO
6 8.3 2445253 1982-10-10 2445256 1982-10-13 -3 SVO
7 8.4 2445491 1983-06-05 2445496 1983-06-10 -5 SVO
8 8.1 2445727 1984-01-27 2445736 1984-02-05 -9 SVO
9 8.3 2445964 1984-09-20 2445977 1984-10-03 -13 SVO
10 8.7 2446211 1985-05-25 2446217 1985-05-31 -6 SVO
11 8.2 2446447 1986-01-16 2446457 1986-01-26 -10 SVO
12 9.1 2446695 1986-09-21 2446697 1986-09-23 -2 SVO
13 8.3 2446939 1987-05-23 2446937 1987-05-21 2 SVO
14 8.4 2447173 1988-01-12 2447177 1988-01-16 -4 SVO
15 8.2 2447412 1988-09-07 2447417 1988-09-12 -5 SVO
16 8.4 2447652 1989-05-05 2447657 1989-05-10 -5 SVO
17 8.2 2447888 1989-12-27 2447897 1990-01-05 -9 SVO
18 8.3 2448130 1990-08-26 2448137 1990-09-02 -7 SVO
19 8.0 2448357 1991-04-10 2448377 1991-04-30 -20 SVO
20 8.6 2448601 1991-12-10 2448617 1991-12-26 -16 SVO
21 8.6 2448842 1992-08-07 2448857 1992-08-22 -15 SVO
22 8.9 2449083 1993-04-05 2449097 1993-04-19 -14 SVO
23 8.7 2449332 1993-12-10 2449337 1993-12-15 -5 SVO
24 8.0 2449563 1994-07-29 2449578 1994-08-13 -15 SVO
25 8.7 2449798 1995-03-21 2449818 1995-04-10 -20 SVO
26 8.4 2450044 1995-11-22 2450058 1995-12-06 -14 SVO
27 8.0 2450274 1996-07-09 2450298 1996-08-02 -24 SVO
28 8.6 2450514 1997-03-06 2450538 1997-03-30 -24 SVO
29 8.2 2450760 1997-11-07 2450778 1997-11-25 -18 SVO
30 8.8 2451001 1998-07-06 2451018 1998-07-23 -17 SVO
31 8.4 2451248 1999-03-10 2451258 1999-03-20 -10 SVO
32 8.2 2451489 1999-11-06 2451498 1999-11-15 -9 SVO
33 7.9 2451723 2000-06-27 2451738 2000-07-12 -15 SVO
34 8.5 2451966 2001-02-25 2451978 2001-03-09 -12 SVO
35 8.5 2452209 2001-10-26 2452218 2001-11-04 -9 SVO
36 8.1 2452448 2002-06-22 2452458 2002-07-02 -10 SVO
37 8.2 2452692 2003-02-21 2452698 2003-02-27 -6 SVO
38 8.5 2452938 2003-10-25 2452938 2003-10-25 0 SVO
39 8.2 2453182 2004-06-25 2453179 2004-06-22 3 SVO
40 8.7 2453423 2005-02-21 2453419 2005-02-17 4 SVO
41 8.0 2453663 2005-10-19 2453659 2005-10-15 4 SVO
42 8.9 2453913 2006-06-26 2453899 2006-06-12 14 SVO
43 8.2 2454150 2007-02-18 2454139 2007-02-07 11 SVO
44 8.3 2454390 2007-10-16 2454379 2007-10-05 11 SVO
45 8.8 2454642 2008-06-24 2454619 2008-06-01 23 SVO
46 8.2 2454884 2009-02-21 2454859 2009-01-27 25 SVO
47 8.6 2455117 2009-10-12 2455099 2009-09-24 18 SVO
48 8.1 2455356 2010-06-08 2455339 2010-05-22 17 SVO
49 8.8 2455592 2011-01-30 2455579 2011-01-17 13 SVO
50 8.2 2455832 2011-09-27 2455819 2011-09-14 13 SVO
51 8.5 2456071 2012-05-23 2456059 2012-05-11 12 SVO
52 8.8 2456316 2013-01-23 2456299 2013-01-06 17 SVO
53 8.3 2456555 2013-09-19 2456539 2013-09-03 16 SVO
54 8.0 2456789 2014-05-11 2456780 2014-05-02 9 SVO
55 8.5 2457032 2015-01-09 2457020 2014-12-28 12 SVO
56 8.7 2457280 2015-09-14 2457260 2015-08-25 20 SVO
57 8.1 2457519 2016-05-10 2457500 2016-04-21 19 SVO
58 8.6 2457757 2017-01-03 2457740 2016-12-17 17 SVO
59 8.2 2458001 2017-09-04 2457980 2017-08-14 21 SVO
60 8.7 2458243 2018-05-04 2458220 2018-04-11 23 SVO
61 8.4 2458487 2019-01-03 2458460 2018-12-07 27 SVO
62 8.1 2458722 2019-08-26 2458700 2019-08-04 22 SVO
63 8.3 2458965 2020-04-25 2458940 2020-03-31 25 SVO
64 8.6 2459203 2020-12-19 2459180 2020-11-26 23 SVO
65 8.1 2459435 2021-08-08 2459420 2021-07-24 15 SVO
66 8.8 2459671 2022-04-01 2459660 2022-03-21 11 SVO
67 8.7 2459918 2022-12-04 2459900 2022-11-16 18 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.