Maxima for RY Her
Period: 221.41, Epoch: 2445203.3
AAVSO offset: -3

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-137   2414868 1899-08-01 2414869 1899-08-02 -1 AnHar, 1937, vol 105, p 459
-136   2415084 1900-03-05 2415091 1900-03-12 -7 AnHar, 1909, vol 55, p 95
-135   2415319 1900-10-26 2415312 1900-10-19 7 AnHar, 1909, vol 55, p 95
-134   2415530 1901-05-25 2415534 1901-05-29 -4 SVO
-132   2415970 1902-08-08 2415977 1902-08-15 -7 AnHar, 1909, vol 55, p 95
-130   2416416 1903-10-28 2416419 1903-10-31 -3 AnHar, 1909, vol 55, p 95
-129   2416634 1904-06-02 2416641 1904-06-09 -7 AnHar, 1909, vol 55, p 95
-128   2416851 1905-01-05 2416862 1905-01-16 -11 AAVSO
-127   2417078 1905-08-20 2417084 1905-08-26 -6 AAVSO
-126 8.6 2417305 1906-04-04 2417305 1906-04-04 0 AAVSO
-125 8.7 2417527 1906-11-12 2417526 1906-11-11 1 AAVSO
-124 9.0 2417747 1907-06-20 2417748 1907-06-21 -1 AAVSO
-123 8.5 2417985 1908-02-13 2417969 1908-01-28 16 AAVSO
-122 8.5 2418207 1908-09-22 2418191 1908-09-06 16 AAVSO
-121 8.7 2418428 1909-05-01 2418412 1909-04-15 16 AAVSO
-120   2418634 1909-11-23 2418634 1909-11-23 0 AAVSO
-119 9.0 2418867 1910-07-14 2418855 1910-07-02 12 AAVSO
-117   2419317 1911-10-07 2419298 1911-09-18 19 AAVSO
-116   2419525 1912-05-02 2419519 1912-04-26 6 AAVSO
-114 8.9 2419979 1913-07-30 2419962 1913-07-13 17 AAVSO
-113   2420201 1914-03-09 2420183 1914-02-19 18 AAVSO
-112 9.1 2420430 1914-10-24 2420405 1914-09-29 25 SVO
-111 8.3 2420643 1915-05-25 2420626 1915-05-08 17 AAVSO
-110   2420864 1916-01-01 2420848 1915-12-16 16 AAVSO
-109 8.4 2421081 1916-08-05 2421069 1916-07-24 12 SVO
-108   2421297 1917-03-09 2421290 1917-03-02 7 AAVSO
-107 9.1 2421527 1917-10-25 2421512 1917-10-10 15 SVO
-106 8.8 2421739 1918-05-25 2421733 1918-05-19 6 SVO
-105   2421961 1919-01-02 2421955 1918-12-27 6 AAVSO
-104 9.0 2422188 1919-08-17 2422176 1919-08-05 12 SVO
-103 8.5 2422417 1920-04-02 2422398 1920-03-14 19 AAVSO
-102 9.3 2422640 1920-11-11 2422619 1920-10-21 21 SVO
-101 8.8 2422863 1921-06-22 2422840 1921-05-30 23 SVO
-100 9.2 2423087 1922-02-01 2423062 1922-01-07 25 AAVSO
-99 8.8 2423308 1922-09-10 2423283 1922-08-16 25 SVO
-98 8.5 2423529 1923-04-19 2423505 1923-03-26 24 SVO
-97 8.8 2423748 1923-11-24 2423726 1923-11-02 22 SVO
-96 8.8 2423954 1924-06-17 2423947 1924-06-10 7 SVO
-95 9.0 2424176 1925-01-25 2424169 1925-01-18 7 SVO
-94 9.3 2424401 1925-09-07 2424390 1925-08-27 11 SVO
-93 8.9 2424622 1926-04-16 2424612 1926-04-06 10 SVO
-92 9.3 2424846 1926-11-26 2424833 1926-11-13 13 AAVSO
-91 8.6 2425054 1927-06-22 2425055 1927-06-23 -1 SVO
-90 9.0 2425274 1928-01-28 2425276 1928-01-30 -2 AAVSO
-89 9.2 2425494 1928-09-04 2425497 1928-09-07 -3 SVO
-88 9.3 2425722 1929-04-20 2425719 1929-04-17 3 SVO
-87 9.2 2425947 1929-12-01 2425940 1929-11-24 7 SVO
-86 8.5 2426162 1930-07-04 2426162 1930-07-04 0 SVO
-85 9.2 2426380 1931-02-07 2426383 1931-02-10 -3 AAVSO
-84 9.0 2426600 1931-09-15 2426604 1931-09-19 -4 SVO
-83 8.8 2426818 1932-04-20 2426826 1932-04-28 -8 SVO
-82 9.0 2427034 1932-11-22 2427047 1932-12-05 -13 SVO
-81 9.2 2427258 1933-07-04 2427269 1933-07-15 -11 SVO
-80 9.1 2427482 1934-02-13 2427490 1934-02-21 -8 AAVSO
-79 8.8 2427710 1934-09-29 2427712 1934-10-01 -2 SVO
-78 8.7 2427924 1935-05-01 2427933 1935-05-10 -9 SVO
-77 9.1 2428138 1935-12-01 2428154 1935-12-17 -16 SVO
-76 8.6 2428355 1936-07-05 2428376 1936-07-26 -21 SVO
-75 9.2 2428577 1937-02-12 2428597 1937-03-04 -20 AAVSO
-74 9.7 2428803 1937-09-26 2428819 1937-10-12 -16 SVO
-73 9.0 2429017 1938-04-28 2429040 1938-05-21 -23 AAVSO
-72 9.0 2429247 1938-12-14 2429261 1938-12-28 -14 AAVSO
-71 9.5 2429464 1939-07-19 2429483 1939-08-07 -19 SVO
-70 9.3 2429686 1940-02-26 2429704 1940-03-15 -18 AAVSO
-69 8.8 2429898 1940-09-25 2429926 1940-10-23 -28 SVO
-68 8.6 2430116 1941-05-01 2430147 1941-06-01 -31 SVO
-67 8.8 2430339 1941-12-10 2430368 1942-01-08 -29 AAVSO
-66 9.2 2430555 1942-07-14 2430590 1942-08-18 -35 SVO
-65 8.8 2430769 1943-02-13 2430811 1943-03-27 -42 AAVSO
-64 9.3 2431004 1943-10-06 2431033 1943-11-04 -29 SVO
-63 8.9 2431222 1944-05-11 2431254 1944-06-12 -32 SVO
-62   2431453 1944-12-28 2431476 1945-01-20 -23 AAVSO
-61 9.0 2431672 1945-08-04 2431697 1945-08-29 -25 SVO
-60 9.0 2431897 1946-03-17 2431918 1946-04-07 -21 AAVSO
-59 9.4 2432119 1946-10-25 2432140 1946-11-15 -21 AAVSO
-58 8.8 2432342 1947-06-05 2432361 1947-06-24 -19 SVO
-57   2432569 1948-01-18 2432583 1948-02-01 -14 AAVSO
-56 9.2 2432790 1948-08-26 2432804 1948-09-09 -14 SVO
-55 9.0 2433015 1949-04-08 2433025 1949-04-18 -10 SVO
-54 9.4 2433236 1949-11-15 2433247 1949-11-26 -11 SVO
-53 8.8 2433451 1950-06-18 2433468 1950-07-05 -17 SVO
-52 8.9 2433669 1951-01-22 2433690 1951-02-12 -21 AAVSO
-51 9.3 2433898 1951-09-08 2433911 1951-09-21 -13 SVO
-50 9.2 2434127 1952-04-24 2434133 1952-04-30 -6 AAVSO
-49 9.0 2434347 1952-11-30 2434354 1952-12-07 -7 AAVSO
-48 8.9 2434566 1953-07-07 2434575 1953-07-16 -9 SVO
-47 9.2 2434788 1954-02-14 2434797 1954-02-23 -9 AAVSO
-46 9.5 2435010 1954-09-24 2435018 1954-10-02 -8 SVO
-45 8.8 2435228 1955-04-30 2435240 1955-05-12 -12 AAVSO
-44 9.3 2435452 1955-12-10 2435461 1955-12-19 -9 AAVSO
-43 9.1 2435676 1956-07-21 2435682 1956-07-27 -6 SVO
-42 9.3 2435897 1957-02-27 2435904 1957-03-06 -7 AAVSO
-41 8.9 2436113 1957-10-01 2436125 1957-10-13 -12 SVO
-40 9.7 2436339 1958-05-15 2436347 1958-05-23 -8 SVO
-39   2436569 1958-12-31 2436568 1958-12-30 1 AAVSO
-38 9.4 2436793 1959-08-12 2436790 1959-08-09 3 SVO
-37 8.9 2437015 1960-03-21 2437011 1960-03-17 4 AAVSO
-36 9.5 2437231 1960-10-23 2437232 1960-10-24 -1 SVO
-35 8.9 2437455 1961-06-04 2437454 1961-06-03 1 SVO
-34 9.7 2437679 1962-01-14 2437675 1962-01-10 4 SVO
-33 9.1 2437906 1962-08-29 2437897 1962-08-20 9 SVO
-32 9.3 2438130 1963-04-10 2438118 1963-03-29 12 SVO
-31 8.9 2438340 1963-11-06 2438339 1963-11-05 1 SVO
-30 9.3 2438568 1964-06-21 2438561 1964-06-14 7 SVO
-29 9.4 2438790 1965-01-29 2438782 1965-01-21 8 AAVSO
-28 8.7 2439017 1965-09-13 2439004 1965-08-31 13 SVO
-27 9.4 2439236 1966-04-20 2439225 1966-04-09 11 SVO
-26 9.3 2439446 1966-11-16 2439447 1966-11-17 -1 SVO
-25 9.2 2439674 1967-07-02 2439668 1967-06-26 6 SVO
-24 9.0 2439897 1968-02-10 2439889 1968-02-02 8 AAVSO
-23 9.2 2440121 1968-09-21 2440111 1968-09-11 10 SVO
-22 9.2 2440342 1969-04-30 2440332 1969-04-20 10 SVO
-21 9.0 2440560 1969-12-04 2440554 1969-11-28 6 AAVSO
-20 9.1 2440781 1970-07-13 2440775 1970-07-07 6 SVO
-19 9.1 2441004 1971-02-21 2440996 1971-02-13 8 AAVSO
-18 8.7 2441215 1971-09-20 2441218 1971-09-23 -3 SVO
-17 9.5 2441435 1972-04-27 2441439 1972-05-01 -4 SVO
-16 9.0 2441658 1972-12-06 2441661 1972-12-09 -3 AAVSO
-15 8.9 2441870 1973-07-06 2441882 1973-07-18 -12 SVO
-14 9.4 2442097 1974-02-18 2442103 1974-02-24 -6 AAVSO
-13 8.9 2442316 1974-09-25 2442325 1974-10-04 -9 SVO
-12 9.1 2442532 1975-04-29 2442546 1975-05-13 -14 SVO
-11 8.8 2442755 1975-12-08 2442768 1975-12-21 -13 AAVSO
-10 8.7 2442979 1976-07-19 2442989 1976-07-29 -10 SVO
-9 9.3 2443196 1977-02-21 2443211 1977-03-08 -15 AAVSO
-8 8.9 2443417 1977-09-30 2443432 1977-10-15 -15 SVO
-7 9.3 2443643 1978-05-14 2443653 1978-05-24 -10 SVO
-6   2443865 1978-12-22 2443875 1979-01-01 -10 AAVSO
-5 9.4 2444092 1979-08-06 2444096 1979-08-10 -4 SVO
-4 8.8 2444310 1980-03-11 2444318 1980-03-19 -8 SVO
-3 9.1 2444533 1980-10-20 2444539 1980-10-26 -6 SVO
-2 8.9 2444754 1981-05-29 2444760 1981-06-04 -6 SVO
-1 9.0 2444980 1982-01-10 2444982 1982-01-12 -2 SVO
0 9.5 2445209 1982-08-27 2445203 1982-08-21 6 SVO
1 8.7 2445423 1983-03-29 2445425 1983-03-31 -2 SVO
2 9.5 2445654 1983-11-15 2445646 1983-11-07 8 SVO
3 8.9 2445877 1984-06-25 2445868 1984-06-16 9 SVO
4 9.3 2446096 1985-01-30 2446089 1985-01-23 7 AAVSO
5 8.9 2446322 1985-09-13 2446310 1985-09-01 12 SVO
6 9.1 2446540 1986-04-19 2446532 1986-04-11 8 SVO
7 9.3 2446770 1986-12-05 2446753 1986-11-18 17 SVO
8 9.0 2446990 1987-07-13 2446975 1987-06-28 15 SVO
9 9.0 2447216 1988-02-24 2447196 1988-02-04 20 SVO
10 8.6 2447439 1988-10-04 2447417 1988-09-12 22 SVO
11 9.2 2447663 1989-05-16 2447639 1989-04-22 24 SVO
12 9.1 2447892 1989-12-31 2447860 1989-11-29 32 SVO
13 9.2 2448118 1990-08-14 2448082 1990-07-09 36 SVO
14 9.2 2448338 1991-03-22 2448303 1991-02-15 35 SVO
15 9.3 2448560 1991-10-30 2448525 1991-09-25 35 SVO
16 8.5 2448774 1992-05-31 2448746 1992-05-03 28 SVO
17 9.0 2448994 1993-01-06 2448967 1992-12-10 27 SVO
18 8.8 2449213 1993-08-13 2449189 1993-07-20 24 SVO
19 9.2 2449438 1994-03-26 2449410 1994-02-26 28 SVO
20 8.9 2449658 1994-11-01 2449632 1994-10-06 26 SVO
21 9.2 2449880 1995-06-11 2449853 1995-05-15 27 SVO
22 8.8 2450098 1996-01-15 2450074 1995-12-22 24 SVO
23 9.4 2450323 1996-08-27 2450296 1996-07-31 27 SVO
24 9.3 2450545 1997-04-06 2450517 1997-03-09 28 SVO
25 9.1 2450759 1997-11-06 2450739 1997-10-17 20 SVO
26 9.3 2450984 1998-06-19 2450960 1998-05-26 24 SVO
27 9.3 2451205 1999-01-26 2451182 1999-01-03 23 SVO
28 9.1 2451418 1999-08-27 2451403 1999-08-12 15 SVO
29 8.7 2451635 2000-03-31 2451624 2000-03-20 11 SVO
30 8.8 2451845 2000-10-27 2451846 2000-10-28 -1 SVO
31 9.1 2452071 2001-06-10 2452067 2001-06-06 4 SVO
32 9.1 2452294 2002-01-19 2452289 2002-01-14 5 SVO
33 9.4 2452515 2002-08-28 2452510 2002-08-23 5 SVO
34 8.8 2452726 2003-03-27 2452731 2003-04-01 -5 SVO
35 9.3 2452941 2003-10-28 2452953 2003-11-09 -12 SVO
36 8.8 2453160 2004-06-03 2453174 2004-06-17 -14 SVO
37 9.2 2453385 2005-01-14 2453396 2005-01-25 -11 SVO
38 9.4 2453610 2005-08-27 2453617 2005-09-03 -7 SVO
39 9.0 2453825 2006-03-30 2453838 2006-04-12 -13 SVO
40 10.0 2454051 2006-11-11 2454060 2006-11-20 -9 SVO
41 9.1 2454264 2007-06-12 2454281 2007-06-29 -17 SVO
42 9.0 2454487 2008-01-21 2454503 2008-02-06 -16 SVO
43 9.2 2454708 2008-08-29 2454724 2008-09-14 -16 SVO
44 9.3 2454937 2009-04-15 2454946 2009-04-24 -9 SVO
45 8.6 2455154 2009-11-18 2455167 2009-12-01 -13 SVO
46 9.5 2455381 2010-07-03 2455388 2010-07-10 -7 SVO
47 8.9 2455600 2011-02-07 2455610 2011-02-17 -10 SVO
48 8.9 2455815 2011-09-10 2455831 2011-09-26 -16 SVO
49 8.8 2456043 2012-04-25 2456053 2012-05-05 -10 SVO
50 8.6 2456258 2012-11-26 2456274 2012-12-12 -16 SVO
51 8.9 2456478 2013-07-04 2456495 2013-07-21 -17 SVO
52 9.5 2456712 2014-02-23 2456717 2014-02-28 -5 AAVSO
53 8.8 2456924 2014-09-23 2456938 2014-10-07 -14 SVO
54 9.3 2457148 2015-05-05 2457160 2015-05-17 -12 SVO
55   2457376 2015-12-19 2457381 2015-12-24 -5 AAVSO
56 8.9 2457593 2016-07-23 2457603 2016-08-02 -10 SVO
57 9.1 2457819 2017-03-06 2457824 2017-03-11 -5 SVO
58 9.0 2458037 2017-10-10 2458045 2017-10-18 -8 SVO
59 9.0 2458258 2018-05-19 2458267 2018-05-28 -9 SVO
60 9.6 2458491 2019-01-07 2458488 2019-01-04 3 SVO
61 8.9 2458709 2019-08-13 2458710 2019-08-14 -1 SVO
62 8.6 2458921 2020-03-12 2458931 2020-03-22 -10 SVO
63 9.2 2459150 2020-10-27 2459152 2020-10-29 -2 SVO
64 9.3 2459374 2021-06-08 2459374 2021-06-08 0 SVO
65 9.3 2459604 2022-01-24 2459595 2022-01-15 9 SVO
66 8.8 2459824 2022-09-01 2459817 2022-08-25 7 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.