Maxima for TU Cyg
Period: 219.57, Epoch: 2444761.8
AAVSO offset: -3

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-152   2411440 1890-03-13 2411388 1890-01-20 52 AnHar, 1937, vol 105, p 459
-151   2411630 1890-09-19 2411607 1890-08-27 23 AnHar, 1909, vol 55, p 95
-149   2412070 1891-12-03 2412046 1891-11-09 24 SVO
-148   2412280 1892-06-30 2412266 1892-06-16 14 GuL, 1920, 1.2
-145   2412950 1894-05-01 2412925 1894-04-06 25 SVO
-143   2413385 1895-07-10 2413364 1895-06-19 21 SVO
-142   2413615 1896-02-25 2413583 1896-01-24 32 SVO
-141   2413824 1896-09-21 2413803 1896-08-31 21 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-140   2414045 1897-04-30 2414022 1897-04-07 23 SVO
-139   2414272 1897-12-13 2414242 1897-11-13 30 AnHar, 1909, vol 55, p 95
-136   2414930 1899-10-02 2414901 1899-09-03 29 SVO
-135   2415145 1900-05-05 2415120 1900-04-10 25 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-134   2415363 1900-12-09 2415340 1900-11-16 23 AnHar, 1909, vol 55, p 95
-133   2415583 1901-07-17 2415559 1901-06-23 24 AnHar, 1909, vol 55, p 95
-132   2415793 1902-02-12 2415779 1902-01-29 14 AnHar, 1909, vol 55, p 95
-131   2416015 1902-09-22 2415999 1902-09-06 16 AnHar, 1909, vol 55, p 95
-130   2416223 1903-04-18 2416218 1903-04-13 5 AnHar, 1909, vol 55, p 95
-129   2416437 1903-11-18 2416438 1903-11-19 -1 SVO
-128   2416645 1904-06-13 2416657 1904-06-25 -12 SVO
-127   2416859 1905-01-13 2416877 1905-01-31 -18 AAVSO
-126   2417085 1905-08-27 2417096 1905-09-07 -11 SVO
-125   2417303 1906-04-02 2417316 1906-04-15 -13 AAVSO
-124   2417526 1906-11-11 2417535 1906-11-20 -9 AAVSO
-123   2417739 1907-06-12 2417755 1907-06-28 -16 AAVSO
-122   2417964 1908-01-23 2417975 1908-02-03 -11 AAVSO
-121   2418175 1908-08-21 2418194 1908-09-09 -19 SVO
-120   2418390 1909-03-24 2418414 1909-04-17 -24 AAVSO
-119   2418620 1909-11-09 2418633 1909-11-22 -13 SVO
-118   2418829 1910-06-06 2418853 1910-06-30 -24 GuL, 1920, 1.2
-117   2419066 1911-01-29 2419072 1911-02-04 -6 AAVSO
-116   2419271 1911-08-22 2419292 1911-09-12 -21 GuL, 1920, 1.2
-115 9.4 2419491 1912-03-29 2419512 1912-04-19 -21 SVO
-114 9.5 2419712 1912-11-05 2419731 1912-11-24 -19 SVO
-113 9.1 2419936 1913-06-17 2419951 1913-07-02 -15 SVO
-112 9.4 2420155 1914-01-22 2420170 1914-02-06 -15 SVO
-111 9.9 2420382 1914-09-06 2420390 1914-09-14 -8 SVO
-110 9.3 2420603 1915-04-15 2420609 1915-04-21 -6 SVO
-109 8.9 2420823 1915-11-21 2420829 1915-11-27 -6 AAVSO
-108 9.6 2421050 1916-07-05 2421049 1916-07-04 1 SVO
-107   2421277 1917-02-17 2421268 1917-02-08 9 AAVSO
-106 10.2 2421487 1917-09-15 2421488 1917-09-16 -1 SVO
-105 9.4 2421703 1918-04-19 2421707 1918-04-23 -4 SVO
-104 9.1 2421937 1918-12-09 2421927 1918-11-29 10 AAVSO
-103 9.1 2422148 1919-07-08 2422146 1919-07-06 2 SVO
-102   2422376 1920-02-21 2422366 1920-02-11 10 AAVSO
-101 9.1 2422587 1920-09-19 2422586 1920-09-18 1 SVO
-100 9.0 2422818 1921-05-08 2422805 1921-04-25 13 AAVSO
-99 9.6 2423035 1921-12-11 2423025 1921-12-01 10 SVO
-98 9.7 2423250 1922-07-14 2423244 1922-07-08 6 SVO
-97 9.5 2423473 1923-02-22 2423464 1923-02-13 9 SVO
-96 9.1 2423687 1923-09-24 2423683 1923-09-20 4 SVO
-95 9.3 2423906 1924-04-30 2423903 1924-04-27 3 SVO
-94 9.3 2424135 1924-12-15 2424122 1924-12-02 13 SVO
-93 9.5 2424353 1925-07-21 2424342 1925-07-10 11 SVO
-92 9.0 2424569 1926-02-22 2424562 1926-02-15 7 SVO
-91 9.7 2424791 1926-10-02 2424781 1926-09-22 10 SVO
-90 9.2 2425014 1927-05-13 2425001 1927-04-30 13 SVO
-89 10.1 2425240 1927-12-25 2425220 1927-12-05 20 SVO
-88 9.2 2425449 1928-07-21 2425440 1928-07-12 9 SVO
-87 9.5 2425679 1929-03-08 2425659 1929-02-16 20 SVO
-86 9.4 2425895 1929-10-10 2425879 1929-09-24 16 SVO
-85 9.2 2426105 1930-05-08 2426099 1930-05-02 6 SVO
-84 10.2 2426332 1930-12-21 2426318 1930-12-07 14 SVO
-83 9.1 2426539 1931-07-16 2426538 1931-07-15 1 SVO
-82 9.8 2426758 1932-02-20 2426757 1932-02-19 1 SVO
-81 9.8 2426975 1932-09-24 2426977 1932-09-26 -2 SVO
-80 9.0 2427191 1933-04-28 2427196 1933-05-03 -5 SVO
-79 9.9 2427414 1933-12-07 2427416 1933-12-09 -2 SVO
-78 9.6 2427633 1934-07-14 2427636 1934-07-17 -3 SVO
-77 9.2 2427849 1935-02-15 2427855 1935-02-21 -6 SVO
-76 9.5 2428065 1935-09-19 2428075 1935-09-29 -10 SVO
-75 9.3 2428288 1936-04-29 2428294 1936-05-05 -6 SVO
-74 9.3 2428505 1936-12-02 2428514 1936-12-11 -9 SVO
-73 9.6 2428726 1937-07-11 2428733 1937-07-18 -7 SVO
-72 10.0 2428957 1938-02-27 2428953 1938-02-23 4 SVO
-71 9.3 2429158 1938-09-16 2429173 1938-10-01 -15 SVO
-70 9.3 2429380 1939-04-26 2429392 1939-05-08 -12 SVO
-69 9.8 2429600 1939-12-02 2429612 1939-12-14 -12 SVO
-68 9.2 2429810 1940-06-29 2429831 1940-07-20 -21 SVO
-67   2430037 1941-02-11 2430051 1941-02-25 -14 AAVSO
-66 10.0 2430252 1941-09-14 2430270 1941-10-02 -18 SVO
-65   2430465 1942-04-15 2430490 1942-05-10 -25 SVO
-64 9.4 2430685 1942-11-21 2430710 1942-12-16 -25 SVO
-63 9.5 2430914 1943-07-08 2430929 1943-07-23 -15 SVO
-62 9.5 2431129 1944-02-08 2431149 1944-02-28 -20 SVO
-61 8.9 2431344 1944-09-10 2431368 1944-10-04 -24 SVO
-60 9.9 2431573 1945-04-27 2431588 1945-05-12 -15 AAVSO
-59 9.7 2431789 1945-11-29 2431807 1945-12-17 -18 AAVSO
-58 9.3 2432013 1946-07-11 2432027 1946-07-25 -14 SVO
-57 10.5 2432227 1947-02-10 2432246 1947-03-01 -19 AAVSO
-56 9.8 2432455 1947-09-26 2432466 1947-10-07 -11 SVO
-55 9.7 2432667 1948-04-25 2432686 1948-05-14 -19 AAVSO
-54 9.2 2432886 1948-11-30 2432905 1948-12-19 -19 SVO
-53 9.6 2433111 1949-07-13 2433125 1949-07-27 -14 SVO
-52 10.6 2433340 1950-02-27 2433344 1950-03-03 -4 AAVSO
-51 9.3 2433554 1950-09-29 2433564 1950-10-09 -10 SVO
-50 8.9 2433766 1951-04-29 2433783 1951-05-16 -17 AAVSO
-49 10.1 2433990 1951-12-09 2434003 1951-12-22 -13 SVO
-48 9.5 2434213 1952-07-19 2434223 1952-07-29 -10 SVO
-47   2434434 1953-02-25 2434442 1953-03-05 -8 AAVSO
-46 10.3 2434657 1953-10-06 2434662 1953-10-11 -5 AAVSO
-45 9.5 2434878 1954-05-15 2434881 1954-05-18 -3 AAVSO
-44 10.0 2435092 1954-12-15 2435101 1954-12-24 -9 AAVSO
-43 9.1 2435310 1955-07-21 2435320 1955-07-31 -10 SVO
-42 9.0 2435534 1956-03-01 2435540 1956-03-07 -6 AAVSO
-41 10.1 2435756 1956-10-09 2435760 1956-10-13 -4 SVO
-40 9.6 2435973 1957-05-14 2435979 1957-05-20 -6 AAVSO
-39 9.4 2436192 1957-12-19 2436199 1957-12-26 -7 AAVSO
-38 9.9 2436409 1958-07-24 2436418 1958-08-02 -9 SVO
-37 9.4 2436628 1959-02-28 2436638 1959-03-10 -10 AAVSO
-36 9.6 2436846 1959-10-04 2436857 1959-10-15 -11 SVO
-35 9.5 2437059 1960-05-04 2437077 1960-05-22 -18 AAVSO
-34 8.9 2437272 1960-12-03 2437297 1960-12-28 -25 SVO
-33 10.9 2437507 1961-07-26 2437516 1961-08-04 -9 SVO
-32 10.0 2437723 1962-02-27 2437736 1962-03-12 -13 SVO
-31 10.0 2437940 1962-10-02 2437955 1962-10-17 -15 SVO
-30 9.7 2438162 1963-05-12 2438175 1963-05-25 -13 SVO
-29 9.7 2438384 1963-12-20 2438394 1963-12-30 -10 SVO
-28 9.7 2438605 1964-07-28 2438614 1964-08-06 -9 SVO
-27 9.4 2438826 1965-03-06 2438833 1965-03-13 -7 SVO
-26 9.8 2439050 1965-10-16 2439053 1965-10-19 -3 SVO
-25 9.5 2439269 1966-05-23 2439273 1966-05-27 -4 SVO
-24 9.5 2439486 1966-12-26 2439492 1967-01-01 -6 SVO
-23 9.5 2439711 1967-08-08 2439712 1967-08-09 -1 SVO
-22 9.4 2439930 1968-03-14 2439931 1968-03-15 -1 SVO
-21 9.4 2440151 1968-10-21 2440151 1968-10-21 0 SVO
-20 9.6 2440371 1969-05-29 2440370 1969-05-28 1 SVO
-19 9.2 2440588 1970-01-01 2440590 1970-01-03 -2 SVO
-18 9.5 2440809 1970-08-10 2440810 1970-08-11 -1 SVO
-17 9.6 2441034 1971-03-23 2441029 1971-03-18 5 SVO
-16 9.8 2441257 1971-11-01 2441249 1971-10-24 8 SVO
-15 9.4 2441474 1972-06-05 2441468 1972-05-30 6 SVO
-14 9.5 2441685 1973-01-02 2441688 1973-01-05 -3 SVO
-13 9.2 2441908 1973-08-13 2441907 1973-08-12 1 SVO
-12 9.6 2442136 1974-03-29 2442127 1974-03-20 9 SVO
-11 9.5 2442347 1974-10-26 2442347 1974-10-26 0 SVO
-10 9.6 2442570 1975-06-06 2442566 1975-06-02 4 SVO
-9 9.5 2442791 1976-01-13 2442786 1976-01-08 5 SVO
-8 10.5 2443018 1976-08-27 2443005 1976-08-14 13 SVO
-7 9.4 2443228 1977-03-25 2443225 1977-03-22 3 SVO
-6 9.9 2443455 1977-11-07 2443444 1977-10-27 11 SVO
-5 9.5 2443677 1978-06-17 2443664 1978-06-04 13 SVO
-4 9.7 2443892 1979-01-18 2443884 1979-01-10 8 SVO
-3 8.9 2444097 1979-08-11 2444103 1979-08-17 -6 SVO
-2 10.5 2444328 1980-03-29 2444323 1980-03-24 5 SVO
-1 9.8 2444547 1980-11-03 2444542 1980-10-29 5 SVO
0 9.5 2444767 1981-06-11 2444762 1981-06-06 5 SVO
1 9.5 2444983 1982-01-13 2444981 1982-01-11 2 SVO
2 9.7 2445203 1982-08-21 2445201 1982-08-19 2 SVO
3 9.8 2445428 1983-04-03 2445420 1983-03-26 8 SVO
4 9.3 2445644 1983-11-05 2445640 1983-11-01 4 SVO
5 10.2 2445866 1984-06-14 2445860 1984-06-08 6 SVO
6 9.5 2446082 1985-01-16 2446079 1985-01-13 3 SVO
7 9.8 2446305 1985-08-27 2446299 1985-08-21 6 SVO
8 9.2 2446525 1986-04-04 2446518 1986-03-28 7 SVO
9 9.2 2446731 1986-10-27 2446738 1986-11-03 -7 SVO
10 9.3 2446954 1987-06-07 2446957 1987-06-10 -3 SVO
11 10.6 2447181 1988-01-20 2447177 1988-01-16 4 SVO
12 9.5 2447392 1988-08-18 2447397 1988-08-23 -5 SVO
13 9.3 2447613 1989-03-27 2447616 1989-03-30 -3 SVO
14 9.7 2447837 1989-11-06 2447836 1989-11-05 1 SVO
15 9.0 2448050 1990-06-07 2448055 1990-06-12 -5 SVO
16 9.7 2448271 1991-01-14 2448275 1991-01-18 -4 SVO
17 9.3 2448492 1991-08-23 2448494 1991-08-25 -2 SVO
18 9.5 2448719 1992-04-06 2448714 1992-04-01 5 SVO
19 9.5 2448941 1992-11-14 2448934 1992-11-07 7 SVO
20 9.5 2449152 1993-06-13 2449153 1993-06-14 -1 SVO
21 9.5 2449378 1994-01-25 2449373 1994-01-20 5 SVO
22 9.2 2449597 1994-09-01 2449592 1994-08-27 5 SVO
23 9.5 2449819 1995-04-11 2449812 1995-04-04 7 SVO
24 10.3 2450047 1995-11-25 2450031 1995-11-09 16 SVO
25 9.2 2450261 1996-06-26 2450251 1996-06-16 10 SVO
26 9.5 2450477 1997-01-28 2450471 1997-01-22 6 SVO
27 9.0 2450689 1997-08-28 2450690 1997-08-29 -1 SVO
28 10.6 2450922 1998-04-18 2450910 1998-04-06 12 SVO
29 9.7 2451138 1998-11-20 2451129 1998-11-11 9 SVO
30 10.5 2451361 1999-07-01 2451349 1999-06-19 12 SVO
31 9.5 2451575 2000-01-31 2451568 2000-01-24 7 SVO
32 9.9 2451797 2000-09-09 2451788 2000-08-31 9 SVO
33 9.8 2452027 2001-04-27 2452008 2001-04-08 19 SVO
34 9.2 2452232 2001-11-18 2452227 2001-11-13 5 SVO
35 9.7 2452447 2002-06-21 2452447 2002-06-21 0 SVO
36 9.7 2452674 2003-02-03 2452666 2003-01-26 8 SVO
37 10.1 2452892 2003-09-09 2452886 2003-09-03 6 SVO
38 9.1 2453116 2004-04-20 2453105 2004-04-09 11 SVO
39 10.3 2453329 2004-11-19 2453325 2004-11-15 4 SVO
40 9.3 2453541 2005-06-19 2453544 2005-06-22 -3 SVO
41 9.9 2453763 2006-01-27 2453764 2006-01-28 -1 SVO
42 9.5 2453986 2006-09-07 2453984 2006-09-05 2 SVO
43 10.2 2454206 2007-04-15 2454203 2007-04-12 3 SVO
44 9.2 2454425 2007-11-20 2454423 2007-11-18 2 SVO
45 9.7 2454641 2008-06-23 2454642 2008-06-24 -1 SVO
46 10.0 2454863 2009-01-31 2454862 2009-01-30 1 SVO
47 9.3 2455073 2009-08-29 2455081 2009-09-06 -8 SVO
48 9.7 2455299 2010-04-12 2455301 2010-04-14 -2 SVO
49 9.7 2455518 2010-11-17 2455521 2010-11-20 -3 SVO
50 9.9 2455740 2011-06-27 2455740 2011-06-27 0 SVO
51 9.4 2455956 2012-01-29 2455960 2012-02-02 -4 SVO
52 10.2 2456182 2012-09-11 2456179 2012-09-08 3 SVO
53 10.0 2456402 2013-04-19 2456399 2013-04-16 3 SVO
54 9.4 2456612 2013-11-15 2456618 2013-11-21 -6 SVO
55 9.6 2456834 2014-06-25 2456838 2014-06-29 -4 SVO
56 9.6 2457059 2015-02-05 2457058 2015-02-04 1 SVO
57 9.4 2457277 2015-09-11 2457277 2015-09-11 0 SVO
58 9.8 2457501 2016-04-22 2457497 2016-04-18 4 SVO
59 9.3 2457717 2016-11-24 2457716 2016-11-23 1 SVO
60 10.1 2457938 2017-07-03 2457936 2017-07-01 2 SVO
61 10.0 2458157 2018-02-07 2458155 2018-02-05 2 SVO
62 9.8 2458381 2018-09-19 2458375 2018-09-13 6 SVO
63 9.9 2458601 2019-04-27 2458595 2019-04-21 6 SVO
64 9.8 2458823 2019-12-05 2458814 2019-11-26 9 SVO
65 9.9 2459045 2020-07-14 2459034 2020-07-03 11 SVO
66 9.6 2459263 2021-02-17 2459253 2021-02-07 10 SVO
67 10.1 2459482 2021-09-24 2459473 2021-09-15 9 SVO
68 9.5 2459704 2022-05-04 2459692 2022-04-22 12 SVO
69 9.6 2459916 2022-12-02 2459912 2022-11-28 4 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.