Maxima for V Cyg
Period: 420.98, Epoch: 2443987.1
AAVSO offset: -2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-85   2408235 1881-06-03 2408204 1881-05-03 31 AnHar, 1937, vol 105, p 459
-84   2408640 1882-07-13 2408625 1882-06-28 15 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-83   2409040 1883-08-17 2409046 1883-08-23 -6 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-82   2409465 1884-10-15 2409467 1884-10-17 -2 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-81   2409903 1885-12-27 2409888 1885-12-12 15 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-80   2410320 1887-02-17 2410309 1887-02-06 11 GuL, 1920, 1.2
-79   2410735 1888-04-07 2410730 1888-04-02 5 GuL, 1920, 1.2
-78   2411165 1889-06-11 2411151 1889-05-28 14 GuL, 1920, 1.2
-77   2411585 1890-08-05 2411572 1890-07-23 13 GuL, 1920, 1.2
-76   2412006 1891-09-30 2411993 1891-09-17 13 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-75   2412424 1892-11-21 2412414 1892-11-11 10 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-74   2412844 1894-01-15 2412835 1894-01-06 9 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-72   2413684 1896-05-04 2413677 1896-04-27 7 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-71   2414102 1897-06-26 2414098 1897-06-22 4 GuL, 1920, 1.2
-70   2414500 1898-07-29 2414519 1898-08-17 -19 AnHar, 1909, vol 55, p 95
-69   2414940 1899-10-12 2414940 1899-10-12 0 GuL, 1920, 1.2
-68   2415321 1900-10-28 2415361 1900-12-07 -40 AnHar, 1909, vol 55, p 95
-67   2415738 1901-12-19 2415782 1902-02-01 -44 AnHar, 1909, vol 55, p 95
-66   2416194 1903-03-20 2416203 1903-03-29 -9 AnHar, 1909, vol 55, p 95
-65   2416605 1904-05-04 2416624 1904-05-23 -19 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-64   2417028 1905-07-01 2417044 1905-07-17 -16 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-63   2417470 1906-09-16 2417465 1906-09-11 5 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-62   2417884 1907-11-04 2417886 1907-11-06 -2 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-57 8.9 2419965 1913-07-16 2419991 1913-08-11 -26 SVO
-56 8.6 2420348 1914-08-03 2420412 1914-10-06 -64 SVO
-55 8.7 2420795 1915-10-24 2420833 1915-12-01 -38 SVO
-54 8.8 2421219 1916-12-21 2421254 1917-01-25 -35 SVO
-53 8.5 2421665 1918-03-12 2421675 1918-03-22 -10 AAVSO
-52 9.6 2422075 1919-04-26 2422096 1919-05-17 -21 SVO
-51 9.3 2422515 1920-07-09 2422517 1920-07-11 -2 SVO
-50 7.6 2422925 1921-08-23 2422938 1921-09-05 -13 SVO
-49 8.0 2423329 1922-10-01 2423359 1922-10-31 -30 SVO
-48 8.0 2423758 1923-12-04 2423780 1923-12-26 -22 SVO
-47 7.7 2424174 1925-01-23 2424201 1925-02-19 -27 SVO
-46 8.1 2424575 1926-02-28 2424622 1926-04-16 -47 SVO
-45 9.8 2425006 1927-05-05 2425043 1927-06-11 -37 SVO
-44 9.3 2425420 1928-06-22 2425464 1928-08-05 -44 SVO
-43 9.3 2425837 1929-08-13 2425885 1929-09-30 -48 SVO
-42 8.9 2426248 1930-09-28 2426306 1930-11-25 -58 SVO
-41 10.1 2426673 1931-11-27 2426727 1932-01-20 -54 SVO
-40 9.9 2427104 1933-01-31 2427148 1933-03-16 -44 SVO
-39 9.9 2427540 1934-04-12 2427569 1934-05-11 -29 SVO
-38 10.3 2427954 1935-05-31 2427990 1935-07-06 -36 SVO
-37 10.6 2428373 1936-07-23 2428411 1936-08-30 -38 SVO
-36 10.8 2428798 1937-09-21 2428832 1937-10-25 -34 SVO
-35 10.7 2429246 1938-12-13 2429253 1938-12-20 -7 SVO
-34 9.2 2429691 1940-03-02 2429674 1940-02-14 17 SVO
-33 9.1 2430096 1941-04-11 2430095 1941-04-10 1 SVO
-32 9.7 2430532 1942-06-21 2430516 1942-06-05 16 SVO
-31 8.7 2430943 1943-08-06 2430937 1943-07-31 6 SVO
-30 9.5 2431363 1944-09-29 2431358 1944-09-24 5 SVO
-29 9.6 2431797 1945-12-07 2431779 1945-11-19 18 SVO
-28 8.6 2432206 1947-01-20 2432200 1947-01-14 6 SVO
-27 9.0 2432663 1948-04-21 2432621 1948-03-10 42 SVO
-26 8.9 2433066 1949-05-29 2433042 1949-05-05 24 SVO
-25 8.7 2433487 1950-07-24 2433463 1950-06-30 24 SVO
-24 9.1 2433918 1951-09-28 2433884 1951-08-25 34 SVO
-23 9.6 2434345 1952-11-28 2434305 1952-10-19 40 SVO
-22 9.2 2434752 1954-01-09 2434726 1953-12-14 26 SVO
-21 10.3 2435165 1955-02-26 2435147 1955-02-08 18 SVO
-20 10.6 2435603 1956-05-09 2435568 1956-04-04 35 SVO
-19 9.7 2436032 1957-07-12 2435989 1957-05-30 43 SVO
-18 9.1 2436431 1958-08-15 2436410 1958-07-25 21 SVO
-17 9.2 2436849 1959-10-07 2436831 1959-09-19 18 SVO
-16 9.3 2437275 1960-12-06 2437251 1960-11-12 24 SVO
-15 9.2 2437686 1962-01-21 2437672 1962-01-07 14 SVO
-14 9.6 2438127 1963-04-07 2438093 1963-03-04 34 SVO
-13 10.0 2438543 1964-05-27 2438514 1964-04-28 29 SVO
-12 9.8 2438987 1965-08-14 2438935 1965-06-23 52 SVO
-11 9.7 2439404 1966-10-05 2439356 1966-08-18 48 SVO
-10 9.9 2439830 1967-12-05 2439777 1967-10-13 53 SVO
-9 9.7 2440255 1969-02-02 2440198 1968-12-07 57 SVO
-8 9.8 2440657 1970-03-11 2440619 1970-02-01 38 SVO
-7 9.8 2441090 1971-05-18 2441040 1971-03-29 50 SVO
-6 10.0 2441522 1972-07-23 2441461 1972-05-23 61 SVO
-5 9.7 2441938 1973-09-12 2441882 1973-07-18 56 SVO
-4 10.0 2442355 1974-11-03 2442303 1974-09-12 52 SVO
-3 9.9 2442769 1975-12-22 2442724 1975-11-07 45 SVO
-2 10.0 2443179 1977-02-04 2443145 1977-01-01 34 SVO
-1 10.5 2443616 1978-04-17 2443566 1978-02-26 50 SVO
0 9.3 2444029 1979-06-04 2443987 1979-04-23 42 SVO
1 9.4 2444426 1980-07-05 2444408 1980-06-17 18 SVO
2 8.4 2444851 1981-09-03 2444829 1981-08-12 22 SVO
3 9.4 2445268 1982-10-25 2445250 1982-10-07 18 SVO
4 9.5 2445693 1983-12-24 2445671 1983-12-02 22 SVO
5 9.5 2446113 1985-02-16 2446092 1985-01-26 21 SVO
6 8.8 2446535 1986-04-14 2446513 1986-03-23 22 SVO
7 9.8 2446943 1987-05-27 2446934 1987-05-18 9 SVO
8 10.9 2447386 1988-08-12 2447355 1988-07-12 31 SVO
9 10.0 2447809 1989-10-09 2447776 1989-09-06 33 SVO
10 9.8 2448229 1990-12-03 2448197 1990-11-01 32 SVO
11 10.1 2448651 1992-01-29 2448618 1991-12-27 33 SVO
12 9.4 2449068 1993-03-21 2449039 1993-02-20 29 SVO
13 9.7 2449480 1994-05-07 2449460 1994-04-17 20 SVO
14 9.3 2449893 1995-06-24 2449881 1995-06-12 12 SVO
15 9.8 2450307 1996-08-11 2450302 1996-08-06 5 SVO
16 9.4 2450723 1997-10-01 2450723 1997-10-01 0 SVO
17 9.7 2451140 1998-11-22 2451144 1998-11-26 -4 SVO
18 9.3 2451563 2000-01-19 2451565 2000-01-21 -2 SVO
19 9.8 2451977 2001-03-08 2451986 2001-03-17 -9 SVO
20 9.2 2452394 2002-04-29 2452407 2002-05-12 -13 SVO
21 8.6 2452809 2003-06-18 2452828 2003-07-07 -19 SVO
22 10.2 2453243 2004-08-25 2453249 2004-08-31 -6 SVO
23 9.5 2453663 2005-10-19 2453670 2005-10-26 -7 SVO
24 8.6 2454072 2006-12-02 2454091 2006-12-21 -19 SVO
25 8.4 2454470 2008-01-04 2454512 2008-02-15 -42 SVO
26 7.7 2454906 2009-03-15 2454933 2009-04-11 -27 SVO
27 8.1 2455313 2010-04-26 2455354 2010-06-06 -41 SVO
28 8.1 2455725 2011-06-12 2455775 2011-08-01 -50 SVO
29 8.5 2456144 2012-08-04 2456196 2012-09-25 -52 SVO
30 8.9 2456559 2013-09-23 2456617 2013-11-20 -58 SVO
31 8.6 2456977 2014-11-15 2457038 2015-01-15 -61 SVO
32 9.7 2457395 2016-01-07 2457458 2016-03-10 -63 SVO
33 9.3 2457844 2017-03-31 2457879 2017-05-05 -35 SVO
34 8.4 2458259 2018-05-20 2458300 2018-06-30 -41 SVO
35 7.8 2458679 2019-07-14 2458721 2019-08-25 -42 SVO
36 8.9 2459112 2020-09-19 2459142 2020-10-19 -30 SVO
37 8.7 2459536 2021-11-17 2459563 2021-12-14 -27 SVO
38 8.5 2459936 2022-12-22 2459984 2023-02-08 -48 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.