Maxima for DF Her
Period: 333.98, Epoch: 2436338.5

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-69   2413415 1895-08-09 2413294 1895-04-10 121 SVO
-68   2413750 1896-07-09 2413628 1896-03-09 122 SVO
-65   2414730 1899-03-16 2414630 1898-12-06 100 SVO
-64   2415060 1900-02-09 2414964 1899-11-05 96 SVO
-59   2416733 1904-09-09 2416634 1904-06-02 99 SVO
-58   2417090 1905-09-01 2416968 1905-05-02 122 SVO
-57   2417410 1906-07-18 2417302 1906-04-01 108 SVO
-56   2417730 1907-06-03 2417636 1907-03-01 94 SVO
-55   2418050 1908-04-18 2417970 1908-01-29 80 SVO
-50   2419650 1912-09-04 2419640 1912-08-25 10 SVO
-49   2419975 1913-07-26 2419974 1913-07-25 1 SVO
-48   2420310 1914-06-26 2420308 1914-06-24 2 SVO
-47   2420626 1915-05-08 2420642 1915-05-24 -16 SVO
-46   2420980 1916-04-26 2420976 1916-04-22 4 SVO
-40   2422960 1921-09-27 2422979 1921-10-16 -19 SVO
-39   2423260 1922-07-24 2423313 1922-09-15 -53 SVO
-38   2423600 1923-06-29 2423647 1923-08-15 -47 SVO
-37   2423935 1924-05-29 2423981 1924-07-14 -46 SVO
-36   2424279 1925-05-08 2424315 1925-06-13 -36 SVO
-35   2424610 1926-04-04 2424649 1926-05-13 -39 SVO
-34   2424950 1927-03-10 2424983 1927-04-12 -33 SVO
-30   2426242 1930-09-22 2426319 1930-12-08 -77 SVO
-29   2426570 1931-08-16 2426653 1931-11-07 -83 SVO
-28   2426930 1932-08-10 2426987 1932-10-06 -57 SVO
-27   2427250 1933-06-26 2427321 1933-09-05 -71 SVO
-26   2427598 1934-06-09 2427655 1934-08-05 -57 SVO
-25   2427925 1935-05-02 2427989 1935-07-05 -64 SVO
-24   2428280 1936-04-21 2428323 1936-06-03 -43 SVO
-23   2428610 1937-03-17 2428657 1937-05-03 -47 SVO
-17   2430609 1942-09-06 2430661 1942-10-28 -52 GuL, 1957, 2.4
-16   2430939 1943-08-02 2430995 1943-09-27 -56 SVO
-15   2431282 1944-07-10 2431329 1944-08-26 -47 SVO
-14   2431630 1945-06-23 2431663 1945-07-26 -33 SVO
-13   2431960 1946-05-19 2431997 1946-06-25 -37 SVO
-12   2432313 1947-05-07 2432331 1947-05-25 -18 SVO
-11   2432650 1948-04-08 2432665 1948-04-23 -15 SVO
-2   2435720 1956-09-03 2435671 1956-07-16 49 AJ, 1960, vol 65, p 381
-1   2436000 1957-06-10 2436005 1957-06-15 -5 AJ, 1960, vol 65, p 381
0   2436400 1958-07-15 2436339 1958-05-15 61 AJ, 1960, vol 65, p 381
18 11.0 2442314 1974-09-23 2442350 1974-10-29 -36 SVO
19 11.1 2442658 1975-09-02 2442684 1975-09-28 -26 SVO
20 10.9 2442997 1976-08-06 2443018 1976-08-27 -21 SVO
21 11.2 2443329 1977-07-04 2443352 1977-07-27 -23 SVO
22   2443660 1978-05-31 2443686 1978-06-26 -26 SVO
23   2443990 1979-04-26 2444020 1979-05-26 -30 SVO
27 11.0 2445260 1982-10-17 2445356 1983-01-21 -96 SVO
28   2445610 1983-10-02 2445690 1983-12-21 -80 SVO
29 10.9 2445943 1984-08-30 2446024 1984-11-19 -81 SVO
30 10.5 2446263 1985-07-16 2446358 1985-10-19 -95 SVO
31   2446590 1986-06-08 2446692 1986-09-18 -102 SVO
32   2446910 1987-04-24 2447026 1987-08-18 -116 SVO
33   2447260 1988-04-08 2447360 1988-07-17 -100 SVO
38   2448950 1992-11-23 2449030 1993-02-11 -80 SVO
39   2449300 1993-11-08 2449364 1994-01-11 -64 SVO
40 10.4 2449649 1994-10-23 2449698 1994-12-11 -49 SVO
41 10.2 2449988 1995-09-27 2450032 1995-11-10 -44 SVO
42 10.6 2450328 1996-09-01 2450366 1996-10-09 -38 SVO
43 10.3 2450668 1997-08-07 2450699 1997-09-07 -31 SVO
44 10.5 2451018 1998-07-23 2451033 1998-08-07 -15 SVO
45 10.2 2451358 1999-06-28 2451367 1999-07-07 -9 SVO
46 10.4 2451699 2000-06-03 2451701 2000-06-05 -2 SVO
47 10.4 2452038 2001-05-08 2452035 2001-05-05 3 SVO
48 10.4 2452381 2002-04-16 2452369 2002-04-04 12 SVO
49 10.3 2452725 2003-03-26 2452703 2003-03-04 22 SVO
50 10.7 2453060 2004-02-24 2453037 2004-02-01 23 SVO
51 10.4 2453411 2005-02-09 2453371 2004-12-31 40 SVO
52 10.5 2453748 2006-01-12 2453705 2005-11-30 43 SVO
53 10.8 2454112 2007-01-11 2454039 2006-10-30 73 SVO
54 10.1 2454444 2007-12-09 2454373 2007-09-29 71 SVO
55 10.6 2454765 2008-10-25 2454707 2008-08-28 58 SVO
56 9.8 2455100 2009-09-25 2455041 2009-07-28 59 SVO
57 10.3 2455438 2010-08-29 2455375 2010-06-27 63 SVO
58 10.2 2455777 2011-08-03 2455709 2011-05-27 68 SVO
59 9.8 2456097 2012-06-18 2456043 2012-04-25 54 SVO
60 10.1 2456445 2013-06-01 2456377 2013-03-25 68 SVO
61 10.2 2456781 2014-05-03 2456711 2014-02-22 70 SVO
62 9.9 2457108 2015-03-26 2457045 2015-01-22 63 SVO
63 10.5 2457440 2016-02-21 2457379 2015-12-22 61 SVO
64 9.8 2457767 2017-01-13 2457713 2016-11-20 54 SVO
65   2458100 2017-12-12 2458047 2017-10-20 53 SVO
66 9.9 2458425 2018-11-02 2458381 2018-09-19 44 SVO
67 9.8 2458759 2019-10-02 2458715 2019-08-19 44 SVO
68 10.1 2459086 2020-08-24 2459049 2020-07-18 37 SVO
69 10.0 2459416 2021-07-20 2459383 2021-06-17 33 SVO
70 10.0 2459747 2022-06-16 2459717 2022-05-17 30 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.