Maxima for DR Cyg
Period: 313.32, Epoch: 2439414.4

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-78   2414934 1899-10-06 2414976 1899-11-17 -42 PZ, 1949, vol 7, p 151, AnHar, 1952, vol 118
-75   2415892 1902-05-22 2415916 1902-06-15 -24 AnHar, 1952, vol 118
-74   2416180 1903-03-06 2416229 1903-04-24 -49 AnHar, 1952, vol 118
-73   2416515 1904-02-04 2416542 1904-03-02 -27 AnHar, 1952, vol 118
-72   2416818 1904-12-03 2416856 1905-01-10 -38 AnHar, 1952, vol 118
-70   2417465 1906-09-11 2417482 1906-09-28 -17 PZ, 1949, vol 7, p 151
-68   2418104 1908-06-11 2418109 1908-06-16 -5 AnHar, 1952, vol 118
-64   2419364 1911-11-23 2419362 1911-11-21 2 AnHar, 1952, vol 118
-63   2419673 1912-09-27 2419675 1912-09-29 -2 AnHar, 1952, vol 118
-62   2420004 1913-08-24 2419989 1913-08-09 15 AnHar, 1952, vol 118
-60   2420602 1915-04-14 2420615 1915-04-27 -13 AnHar, 1952, vol 118
-58   2421228 1916-12-30 2421242 1917-01-13 -14 AnHar, 1952, vol 118
-48   2424362 1925-07-30 2424375 1925-08-12 -13 AnHar, 1952, vol 118
-47   2424697 1926-06-30 2424689 1926-06-22 8 AnHar, 1952, vol 118
-46   2424995 1927-04-24 2425002 1927-05-01 -7 AnHar, 1952, vol 118
-44   2425648 1929-02-05 2425628 1929-01-16 20 PZ, 1949, vol 7, p 151
-43   2425972 1929-12-26 2425942 1929-11-26 30 PZ, 1949, vol 7, p 151
-42   2426280 1930-10-30 2426255 1930-10-05 25 PZ, 1949, vol 7, p 151
-41   2426616 1931-10-01 2426568 1931-08-14 48 PZ, 1949, vol 7, p 151
-40   2426925 1932-08-05 2426882 1932-06-23 43 AnHar, 1952, vol 118, PZ, 1949, vol 7, p 151
-39   2427260 1933-07-06 2427195 1933-05-02 65 PZ, 1949, vol 7, p 151
-38   2427557 1934-04-29 2427508 1934-03-11 49 PZ, 1949, vol 7, p 151
-35   2428508 1936-12-05 2428448 1936-10-06 60 AnHar, 1952, vol 118, PZ, 1949, vol 7, p 151
-34   2428796 1937-09-19 2428762 1937-08-16 34 PZ, 1949, vol 7, p 151
-33   2429096 1938-07-16 2429075 1938-06-25 21 AnHar, 1952, vol 118, PZ, 1949, vol 7, p 151
-32   2429415 1939-05-31 2429388 1939-05-04 27 PZ, 1949, vol 7, p 151
-27   2430996 1943-09-28 2430955 1943-08-18 41 AnHar, 1952, vol 118
-26   2431294 1944-07-22 2431268 1944-06-26 26 AnHar, 1952, vol 118
-25   2431630 1945-06-23 2431581 1945-05-05 49 AnHar, 1952, vol 118
-19   2433445 1950-06-12 2433461 1950-06-28 -16 MitVS, 1984, vol 10, p 116
-15   2434708 1953-11-26 2434715 1953-12-03 -7 MitVS, 1984, vol 10, p 116
-14   2435019 1954-10-03 2435028 1954-10-12 -9 MitVS, 1984, vol 10, p 116
-13   2435331 1955-08-11 2435341 1955-08-21 -10 MitVS, 1984, vol 10, p 116
-12   2435700 1956-08-14 2435655 1956-06-30 45 MitVS, 1984, vol 10, p 116
-11   2435972 1957-05-13 2435968 1957-05-09 4 MitVS, 1984, vol 10, p 116
-8   2436900 1959-11-27 2436908 1959-12-05 -8 MitVS, 1984, vol 10, p 116
-7   2437194 1960-09-16 2437221 1960-10-13 -27 MitVS, 1984, vol 10, p 116, MitVS, 1967, vol 4, p 150
-6   2437516 1961-08-04 2437534 1961-08-22 -18 MitVS, 1984, vol 10, p 116, MitVS, 1967, vol 4, p 150
-5   2437841 1962-06-25 2437848 1962-07-02 -7 MitVS, 1967, vol 4, p 150, MitVS, 1984, vol 10, p 116
-4   2438166 1963-05-16 2438161 1963-05-11 5 MitVS, 1967, vol 4, p 150, MitVS, 1984, vol 10, p 116
-3   2438466 1964-03-11 2438474 1964-03-19 -8 MitVS, 1984, vol 10, p 116
-2   2438760 1964-12-30 2438788 1965-01-27 -28 MitVS, 1984, vol 10, p 116
-1   2439107 1965-12-12 2439101 1965-12-06 6 MitVS, 1984, vol 10, p 116, MitVS, 1967, vol 4, p 150
0   2439418 1966-10-19 2439414 1966-10-15 4 MitVS, 1984, vol 10, p 116, MitVS, 1967, vol 4, p 150
1   2439730 1967-08-27 2439728 1967-08-25 2 MitVS, 1984, vol 10, p 116
2   2440048 1968-07-10 2440041 1968-07-03 7 MitVS, 1984, vol 10, p 116
3   2440355 1969-05-13 2440354 1969-05-12 1 MitVS, 1984, vol 10, p 116
6   2441300 1971-12-14 2441294 1971-12-08 6 MitVS, 1984, vol 10, p 116
7   2441620 1972-10-29 2441608 1972-10-17 12 MitVS, 1984, vol 10, p 116
8   2441922 1973-08-27 2441921 1973-08-26 1 MitVS, 1984, vol 10, p 116
9   2442228 1974-06-29 2442234 1974-07-05 -6 MitVS, 1984, vol 10, p 116
11   2442870 1976-04-01 2442861 1976-03-23 9 MitVS, 1984, vol 10, p 116
13   2443477 1977-11-29 2443488 1977-12-10 -11 MitVS, 1984, vol 10, p 116
14   2443790 1978-10-08 2443801 1978-10-19 -11 MitVS, 1984, vol 10, p 116
15   2444108 1979-08-22 2444114 1979-08-28 -6 MitVS, 1984, vol 10, p 116
16   2444410 1980-06-19 2444427 1980-07-06 -17 MitVS, 1984, vol 10, p 116
17   2444732 1981-05-07 2444741 1981-05-16 -9 MitVS, 1984, vol 10, p 116
19   2445360 1983-01-25 2445367 1983-02-01 -7 SVO
20   2445665 1983-11-26 2445681 1983-12-12 -16 SVO
21 8.9 2445985 1984-10-11 2445994 1984-10-20 -9 SVO
22 10.1 2446296 1985-08-18 2446307 1985-08-29 -11 SVO
23   2446612 1986-06-30 2446621 1986-07-09 -9 AFOEV
26 9.0 2447536 1989-01-09 2447561 1989-02-03 -25 SVO
27 8.7 2447845 1989-11-14 2447874 1989-12-13 -29 SVO
28 9.2 2448155 1990-09-20 2448187 1990-10-22 -32 SVO
29 9.0 2448475 1991-08-06 2448501 1991-09-01 -26 SVO
30   2448790 1992-06-16 2448814 1992-07-10 -24 SVO
31   2449110 1993-05-02 2449127 1993-05-19 -17 AFOEV
32 8.9 2449409 1994-02-25 2449441 1994-03-29 -32 SVO
33 10.0 2449727 1995-01-09 2449754 1995-02-05 -27 SVO
34 9.4 2450044 1995-11-22 2450067 1995-12-15 -23 SVO
35 8.9 2450350 1996-09-23 2450380 1996-10-23 -30 SVO
36 9.3 2450658 1997-07-28 2450694 1997-09-02 -36 SVO
37 9.0 2450970 1998-06-05 2451007 1998-07-12 -37 SVO
38 9.1 2451284 1999-04-15 2451320 1999-05-21 -36 SVO
39 8.8 2451601 2000-02-26 2451634 2000-03-30 -33 SVO
40 9.4 2451917 2001-01-07 2451947 2001-02-06 -30 SVO
41 9.4 2452235 2001-11-21 2452260 2001-12-16 -25 SVO
42 8.8 2452550 2002-10-02 2452574 2002-10-26 -24 SVO
43 9.1 2452873 2003-08-21 2452887 2003-09-04 -14 SVO
44 9.3 2453188 2004-07-01 2453200 2004-07-13 -12 SVO
45   2453500 2005-05-09 2453514 2005-05-23 -14 SVO
46   2453820 2006-03-25 2453827 2006-04-01 -7 SVO
47 9.1 2454136 2007-02-04 2454140 2007-02-08 -4 SVO
48 9.1 2454449 2007-12-14 2454454 2007-12-19 -5 SVO
49 9.6 2454765 2008-10-25 2454767 2008-10-27 -2 SVO
50 8.8 2455075 2009-08-31 2455080 2009-09-05 -5 SVO
51 9.3 2455389 2010-07-11 2455394 2010-07-16 -5 SVO
52 9.6 2455711 2011-05-29 2455707 2011-05-25 4 SVO
53 8.8 2456024 2012-04-06 2456020 2012-04-02 4 SVO
54 9.1 2456343 2013-02-19 2456333 2013-02-09 10 SVO
56 9.5 2456979 2014-11-17 2456960 2014-10-29 19 SVO
57 9.6 2457297 2015-10-01 2457273 2015-09-07 24 SVO
58 9.2 2457627 2016-08-26 2457587 2016-07-17 40 SVO
59 9.4 2457934 2017-06-29 2457900 2017-05-26 34 SVO
60 8.3 2458239 2018-04-30 2458213 2018-04-04 26 SVO
61 9.0 2458560 2019-03-17 2458527 2019-02-12 33 SVO
62 9.0 2458880 2020-01-31 2458840 2019-12-22 40 SVO
63 9.6 2459202 2020-12-18 2459153 2020-10-30 49 SVO
64 8.8 2459520 2021-11-01 2459467 2021-09-09 53 SVO
65 9.4 2459836 2022-09-13 2459780 2022-07-19 56 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.