Maxima for U Cyg
Period: 465.11, Epoch: 2444549.2
AAVSO offset: -6

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-86   2404595 1871-06-16 2404550 1871-05-02 45 AnHar, 1909, vol 55, p 95
-85   2405053 1872-09-16 2405015 1872-08-09 38 AnHar, 1909, vol 55, p 95
-84   2405522 1873-12-29 2405480 1873-11-17 42 AnHar, 1909, vol 55, p 95
-83   2405984 1875-04-05 2405945 1875-02-25 39 AnHar, 1909, vol 55, p 95
-82   2406454 1876-07-18 2406410 1876-06-04 44 AnHar, 1909, vol 55, p 95
-81   2406914 1877-10-21 2406875 1877-09-12 39 AnHar, 1909, vol 55, p 95
-80   2407339 1878-12-20 2407340 1878-12-21 -1 AnHar, 1909, vol 55, p 95
-79 7.4 2407817 1880-04-11 2407805 1880-03-30 12 SVO
-78 7.8 2408276 1881-07-14 2408271 1881-07-09 5 SVO
-77 7.7 2408749 1882-10-30 2408736 1882-10-17 13 SVO
-76 7.6 2409216 1884-02-09 2409201 1884-01-25 15 SVO
-75 7.3 2409674 1885-05-12 2409666 1885-05-04 8 SVO
-74   2410134 1886-08-15 2410131 1886-08-12 3 AnHar, 1909, vol 55, p 95
-73   2410608 1887-12-02 2410596 1887-11-20 12 AnHar, 1909, vol 55, p 95
-72   2411066 1889-03-04 2411061 1889-02-27 5 AnHar, 1909, vol 55, p 95
-71 7.4 2411523 1890-06-04 2411526 1890-06-07 -3 SVO
-70 7.7 2411988 1891-09-12 2411991 1891-09-15 -3 SVO
-69 7.9 2412455 1892-12-22 2412457 1892-12-24 -2 SVO
-68   2412917 1894-03-29 2412922 1894-04-03 -5 GuL, 1920, 1.2
-67   2413375 1895-06-30 2413387 1895-07-12 -12 GuL, 1920, 1.2
-66   2413848 1896-10-15 2413852 1896-10-19 -4 AnHar, 1909, vol 55, p 95
-65 7.6 2414317 1898-01-27 2414317 1898-01-27 0 SVO
-64   2414761 1899-04-16 2414782 1899-05-07 -21 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-63   2415231 1900-07-30 2415247 1900-08-15 -16 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-62   2415698 1901-11-09 2415712 1901-11-23 -14 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-61   2416162 1903-02-16 2416177 1903-03-03 -15 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-60   2416650 1904-06-18 2416643 1904-06-11 7 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-59   2417115 1905-09-26 2417108 1905-09-19 7 AAVSO
-58 6.6 2417584 1907-01-08 2417573 1906-12-28 11 SVO
-57 6.8 2418049 1908-04-17 2418038 1908-04-06 11 SVO
-56 6.6 2418506 1909-07-18 2418503 1909-07-15 3 AAVSO
-55 7.8 2418987 1910-11-11 2418968 1910-10-23 19 SVO
-54 7.4 2419486 1912-03-24 2419433 1912-01-31 53 SVO
-53 7.3 2419949 1913-06-30 2419898 1913-05-10 51 SVO
-52 7.0 2420399 1914-09-23 2420363 1914-08-18 36 SVO
-51 7.6 2420902 1916-02-08 2420829 1915-11-27 73 SVO
-50 7.2 2421312 1917-03-24 2421294 1917-03-06 18 SVO
-49 6.9 2421774 1918-06-29 2421759 1918-06-14 15 SVO
-48 6.8 2422206 1919-09-04 2422224 1919-09-22 -18 SVO
-47 7.4 2422700 1921-01-10 2422689 1920-12-30 11 SVO
-46 7.1 2423139 1922-03-25 2423154 1922-04-09 -15 SVO
-45 7.3 2423611 1923-07-10 2423619 1923-07-18 -8 SVO
-44 7.5 2424061 1924-10-02 2424084 1924-10-25 -23 SVO
-43 7.6 2424474 1925-11-19 2424549 1926-02-02 -75 SVO
-42 7.6 2424949 1927-03-09 2425015 1927-05-14 -66 SVO
-41 8.1 2425413 1928-06-15 2425480 1928-08-21 -67 SVO
-40 7.6 2425859 1929-09-04 2425945 1929-11-29 -86 SVO
-39 7.3 2426320 1930-12-09 2426410 1931-03-09 -90 SVO
-38 7.0 2426771 1932-03-04 2426875 1932-06-16 -104 SVO
-37 7.1 2427233 1933-06-09 2427340 1933-09-24 -107 SVO
-36 7.3 2427722 1934-10-11 2427805 1935-01-02 -83 SVO
-35 7.3 2428184 1936-01-16 2428270 1936-04-11 -86 SVO
-34 7.6 2428656 1937-05-02 2428735 1937-07-20 -79 SVO
-33 7.5 2429106 1938-07-26 2429201 1938-10-29 -95 SVO
-32 8.0 2429591 1939-11-23 2429666 1940-02-06 -75 SVO
-31 7.6 2430069 1941-03-15 2430131 1941-05-16 -62 SVO
-30 7.4 2430544 1942-07-03 2430596 1942-08-24 -52 SVO
-29 7.2 2431016 1943-10-18 2431061 1943-12-02 -45 SVO
-28 6.9 2431500 1945-02-13 2431526 1945-03-11 -26 SVO
-27 6.6 2431966 1946-05-25 2431991 1946-06-19 -25 SVO
-26 6.9 2432455 1947-09-26 2432456 1947-09-27 -1 SVO
-25 6.7 2432914 1948-12-28 2432921 1949-01-04 -7 SVO
-24 7.5 2433399 1950-04-27 2433387 1950-04-15 12 SVO
-23 7.4 2433862 1951-08-03 2433852 1951-07-24 10 SVO
-22 7.6 2434345 1952-11-28 2434317 1952-10-31 28 SVO
-21 7.7 2434817 1954-03-15 2434782 1954-02-08 35 SVO
-20 7.4 2435272 1955-06-13 2435247 1955-05-19 25 SVO
-19 8.7 2435764 1956-10-17 2435712 1956-08-26 52 SVO
-18 8.0 2436242 1958-02-07 2436177 1957-12-04 65 SVO
-17 8.0 2436716 1959-05-27 2436642 1959-03-14 74 SVO
-16 8.0 2437167 1960-08-20 2437107 1960-06-21 60 SVO
-15 8.3 2437639 1961-12-05 2437573 1961-09-30 66 SVO
-14 8.3 2438104 1963-03-15 2438038 1963-01-08 66 SVO
-13 8.5 2438562 1964-06-15 2438503 1964-04-17 59 SVO
-12 8.5 2439025 1965-09-21 2438968 1965-07-26 57 SVO
-11 8.8 2439483 1966-12-23 2439433 1966-11-03 50 SVO
-10 8.7 2439941 1968-03-25 2439898 1968-02-11 43 SVO
-9 8.0 2440393 1969-06-20 2440363 1969-05-21 30 SVO
-8 8.1 2440874 1970-10-14 2440828 1970-08-29 46 SVO
-7 7.7 2441317 1971-12-31 2441293 1971-12-07 24 SVO
-6 7.3 2441768 1973-03-26 2441759 1973-03-17 9 SVO
-5 7.9 2442240 1974-07-11 2442224 1974-06-25 16 SVO
-4 7.5 2442705 1975-10-19 2442689 1975-10-03 16 SVO
-3 7.5 2443175 1977-01-31 2443154 1977-01-10 21 SVO
-2 7.2 2443635 1978-05-06 2443619 1978-04-20 16 SVO
-1 7.5 2444098 1979-08-12 2444084 1979-07-29 14 SVO
0 7.3 2444557 1980-11-13 2444549 1980-11-05 8 SVO
1 7.6 2445015 1982-02-14 2445014 1982-02-13 1 SVO
2 7.9 2445490 1983-06-04 2445479 1983-05-24 11 SVO
3 7.6 2445947 1984-09-03 2445945 1984-09-01 2 SVO
4 7.4 2446396 1985-11-26 2446410 1985-12-10 -14 SVO
5 7.3 2446851 1987-02-24 2446875 1987-03-20 -24 SVO
6 7.8 2447316 1988-06-03 2447340 1988-06-27 -24 SVO
7 7.5 2447778 1989-09-08 2447805 1989-10-05 -27 SVO
8 7.5 2448238 1990-12-12 2448270 1991-01-13 -32 SVO
9 7.3 2448707 1992-03-25 2448735 1992-04-22 -28 SVO
10 7.3 2449182 1993-07-13 2449200 1993-07-31 -18 SVO
11 7.2 2449652 1994-10-26 2449665 1994-11-08 -13 SVO
12 6.9 2450097 1996-01-14 2450131 1996-02-17 -34 SVO
13 7.1 2450566 1997-04-27 2450596 1997-05-27 -30 SVO
14 7.3 2451055 1998-08-29 2451061 1998-09-04 -6 SVO
15 6.9 2451489 1999-11-06 2451526 1999-12-13 -37 SVO
16 8.5 2451985 2001-03-16 2451991 2001-03-22 -6 SVO
17 7.8 2452465 2002-07-09 2452456 2002-06-30 9 SVO
18 7.5 2452912 2003-09-29 2452921 2003-10-08 -9 SVO
19 7.1 2453363 2004-12-23 2453386 2005-01-15 -23 SVO
20 8.4 2453841 2006-04-15 2453851 2006-04-25 -10 SVO
21 7.5 2454303 2007-07-21 2454317 2007-08-04 -14 SVO
22 7.5 2454752 2008-10-12 2454782 2008-11-11 -30 SVO
23 7.7 2455234 2010-02-06 2455247 2010-02-19 -13 SVO
24 7.1 2455692 2011-05-10 2455712 2011-05-30 -20 SVO
25 7.6 2456182 2012-09-11 2456177 2012-09-06 5 SVO
26 8.0 2456671 2014-01-13 2456642 2013-12-15 29 SVO
27 8.0 2457127 2015-04-14 2457107 2015-03-25 20 SVO
28 9.1 2457599 2016-07-29 2457572 2016-07-02 27 SVO
29 8.4 2458081 2017-11-23 2458037 2017-10-10 44 SVO
30 8.0 2458541 2019-02-26 2458503 2019-01-19 38 SVO
31 7.9 2459009 2020-06-08 2458968 2020-04-28 41 SVO
32 7.8 2459469 2021-09-11 2459433 2021-08-06 36 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.