Maxima for U Cyg
Period: 463.24, Epoch: 2444558
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E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-86   2404595 1871-06-16 2404719 1871-10-18 -124 AnHar, 1909, vol 55, p 95
-85   2405053 1872-09-16 2405183 1873-01-24 -130 AnHar, 1909, vol 55, p 95
-84   2405522 1873-12-29 2405646 1874-05-02 -124 AnHar, 1909, vol 55, p 95
-83   2405984 1875-04-05 2406109 1875-08-08 -125 AnHar, 1909, vol 55, p 95
-82   2406454 1876-07-18 2406572 1876-11-13 -118 AnHar, 1909, vol 55, p 95
-81   2406914 1877-10-21 2407036 1878-02-20 -122 AnHar, 1909, vol 55, p 95
-80   2407339 1878-12-20 2407499 1879-05-29 -160 AnHar, 1909, vol 55, p 95
-79 7.4 2407817 1880-04-11 2407962 1880-09-03 -145 SVO
-78 7.8 2408276 1881-07-14 2408425 1881-12-10 -149 SVO
-77 7.7 2408749 1882-10-30 2408889 1883-03-19 -140 SVO
-76 7.6 2409216 1884-02-09 2409352 1884-06-24 -136 SVO
-75 7.3 2409674 1885-05-12 2409815 1885-09-30 -141 SVO
-74   2410134 1886-08-15 2410278 1887-01-06 -144 AnHar, 1909, vol 55, p 95
-73   2410608 1887-12-02 2410741 1888-04-13 -133 AnHar, 1909, vol 55, p 95
-72   2411066 1889-03-04 2411205 1889-07-21 -139 AnHar, 1909, vol 55, p 95
-71 7.4 2411523 1890-06-04 2411668 1890-10-27 -145 SVO
-70 7.7 2411988 1891-09-12 2412131 1892-02-02 -143 SVO
-69 7.9 2412455 1892-12-22 2412594 1893-05-10 -139 SVO
-68   2412917 1894-03-29 2413058 1894-08-17 -141 GuL, 1920, 1.2
-67   2413375 1895-06-30 2413521 1895-11-23 -146 GuL, 1920, 1.2
-66   2413848 1896-10-15 2413984 1897-02-28 -136 AnHar, 1909, vol 55, p 95
-65 7.6 2414317 1898-01-27 2414447 1898-06-06 -130 SVO
-64   2414761 1899-04-16 2414911 1899-09-13 -150 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-63   2415231 1900-07-30 2415374 1900-12-20 -143 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-62   2415698 1901-11-09 2415837 1902-03-28 -139 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-61   2416162 1903-02-16 2416300 1903-07-04 -138 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-60   2416650 1904-06-18 2416764 1904-10-10 -114 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-59   2417115 1905-09-26 2417227 1906-01-16 -112 AAVSO
-58 6.6 2417584 1907-01-08 2417690 1907-04-24 -106 SVO
-57 6.8 2418049 1908-04-17 2418153 1908-07-30 -104 SVO
-56 6.6 2418506 1909-07-18 2418617 1909-11-06 -111 AAVSO
-55 7.8 2418987 1910-11-11 2419080 1911-02-12 -93 SVO
-54 7.4 2419486 1912-03-24 2419543 1912-05-20 -57 SVO
-53 7.3 2419949 1913-06-30 2420006 1913-08-26 -57 SVO
-52 7.0 2420399 1914-09-23 2420470 1914-12-03 -71 SVO
-51 7.6 2420902 1916-02-08 2420933 1916-03-10 -31 SVO
-50 7.2 2421312 1917-03-24 2421396 1917-06-16 -84 SVO
-49 6.9 2421774 1918-06-29 2421859 1918-09-22 -85 SVO
-48 6.8 2422206 1919-09-04 2422322 1919-12-29 -116 SVO
-47 7.4 2422700 1921-01-10 2422786 1921-04-06 -86 SVO
-46 7.1 2423139 1922-03-25 2423249 1922-07-13 -110 SVO
-45 7.3 2423611 1923-07-10 2423712 1923-10-19 -101 SVO
-44 7.5 2424061 1924-10-02 2424175 1925-01-24 -114 SVO
-43 7.6 2424474 1925-11-19 2424639 1926-05-03 -165 SVO
-42 7.6 2424949 1927-03-09 2425102 1927-08-09 -153 SVO
-41 8.1 2425413 1928-06-15 2425565 1928-11-14 -152 SVO
-40 7.6 2425859 1929-09-04 2426028 1930-02-20 -169 SVO
-39 7.3 2426320 1930-12-09 2426492 1931-05-30 -172 SVO
-38 7.0 2426771 1932-03-04 2426955 1932-09-04 -184 SVO
-37 7.1 2427233 1933-06-09 2427418 1933-12-11 -185 SVO
-36 7.3 2427722 1934-10-11 2427881 1935-03-19 -159 SVO
-35 7.3 2428184 1936-01-16 2428345 1936-06-25 -161 SVO
-34 7.6 2428656 1937-05-02 2428808 1937-10-01 -152 SVO
-33 7.5 2429106 1938-07-26 2429271 1939-01-07 -165 SVO
-32 8.0 2429591 1939-11-23 2429734 1940-04-14 -143 SVO
-31 7.6 2430069 1941-03-15 2430198 1941-07-22 -129 SVO
-30 7.4 2430544 1942-07-03 2430661 1942-10-28 -117 SVO
-29 7.2 2431016 1943-10-18 2431124 1944-02-03 -108 SVO
-28 6.9 2431500 1945-02-13 2431587 1945-05-11 -87 SVO
-27 6.6 2431966 1946-05-25 2432051 1946-08-18 -85 SVO
-26 6.9 2432455 1947-09-26 2432514 1947-11-24 -59 SVO
-25 6.7 2432914 1948-12-28 2432977 1949-03-01 -63 SVO
-24 7.5 2433399 1950-04-27 2433440 1950-06-07 -41 SVO
-23 7.4 2433862 1951-08-03 2433903 1951-09-13 -41 SVO
-22 7.6 2434345 1952-11-28 2434367 1952-12-20 -22 SVO
-21 7.7 2434817 1954-03-15 2434830 1954-03-28 -13 SVO
-20 7.4 2435272 1955-06-13 2435293 1955-07-04 -21 SVO
-19 8.7 2435764 1956-10-17 2435756 1956-10-09 8 SVO
-18 8.0 2436242 1958-02-07 2436220 1958-01-16 22 SVO
-17 8.0 2436716 1959-05-27 2436683 1959-04-24 33 SVO
-16 8.0 2437167 1960-08-20 2437146 1960-07-30 21 SVO
-15 8.3 2437639 1961-12-05 2437609 1961-11-05 30 SVO
-14 8.3 2438104 1963-03-15 2438073 1963-02-12 31 SVO
-13 8.5 2438562 1964-06-15 2438536 1964-05-20 26 SVO
-12 8.5 2439025 1965-09-21 2438999 1965-08-26 26 SVO
-11 8.8 2439483 1966-12-23 2439462 1966-12-02 21 SVO
-10 8.7 2439941 1968-03-25 2439926 1968-03-10 15 SVO
-9 8.0 2440393 1969-06-20 2440389 1969-06-16 4 SVO
-8 8.1 2440874 1970-10-14 2440852 1970-09-22 22 SVO
-7 7.7 2441317 1971-12-31 2441315 1971-12-29 2 SVO
-6 7.3 2441768 1973-03-26 2441779 1973-04-06 -11 SVO
-5 7.9 2442240 1974-07-11 2442242 1974-07-13 -2 SVO
-4 7.5 2442705 1975-10-19 2442705 1975-10-19 0 SVO
-3 7.5 2443175 1977-01-31 2443168 1977-01-24 7 SVO
-2 7.2 2443635 1978-05-06 2443632 1978-05-03 3 SVO
-1 7.5 2444098 1979-08-12 2444095 1979-08-09 3 SVO
0 7.3 2444557 1980-11-13 2444558 1980-11-14 -1 SVO
1 7.6 2445015 1982-02-14 2445021 1982-02-20 -6 SVO
2 7.9 2445490 1983-06-04 2445484 1983-05-29 6 SVO
3 7.6 2445947 1984-09-03 2445948 1984-09-04 -1 SVO
4 7.4 2446396 1985-11-26 2446411 1985-12-11 -15 SVO
5 7.3 2446851 1987-02-24 2446874 1987-03-19 -23 SVO
6 7.8 2447316 1988-06-03 2447337 1988-06-24 -21 SVO
7 7.5 2447778 1989-09-08 2447801 1989-10-01 -23 SVO
8 7.5 2448238 1990-12-12 2448264 1991-01-07 -26 SVO
9 7.3 2448707 1992-03-25 2448727 1992-04-14 -20 SVO
10 7.3 2449182 1993-07-13 2449190 1993-07-21 -8 SVO
11 7.2 2449652 1994-10-26 2449654 1994-10-28 -2 SVO
12 6.9 2450097 1996-01-14 2450117 1996-02-03 -20 SVO
13 7.1 2450566 1997-04-27 2450580 1997-05-11 -14 SVO
14 7.3 2451055 1998-08-29 2451043 1998-08-17 12 SVO
15 6.9 2451489 1999-11-06 2451507 1999-11-24 -18 SVO
16 8.5 2451985 2001-03-16 2451970 2001-03-01 15 SVO
17 7.8 2452465 2002-07-09 2452433 2002-06-07 32 SVO
18 7.5 2452912 2003-09-29 2452896 2003-09-13 16 SVO
19 7.1 2453363 2004-12-23 2453360 2004-12-20 3 SVO
20 8.4 2453841 2006-04-15 2453823 2006-03-28 18 SVO
21 7.5 2454303 2007-07-21 2454286 2007-07-04 17 SVO
22 7.5 2454752 2008-10-12 2454749 2008-10-09 3 SVO
23 7.7 2455234 2010-02-06 2455213 2010-01-16 21 SVO
24 7.1 2455692 2011-05-10 2455676 2011-04-24 16 SVO
25 7.6 2456182 2012-09-11 2456139 2012-07-30 43 SVO
26 8.0 2456671 2014-01-13 2456602 2013-11-05 69 SVO
27 8.0 2457127 2015-04-14 2457065 2015-02-11 62 SVO
28 9.1 2457599 2016-07-29 2457529 2016-05-20 70 SVO
29 8.4 2458081 2017-11-23 2457992 2017-08-26 89 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.