Maxima for R Hor
Period: 404.43, Epoch: 2441457.3
AAVSO offset: -1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-75   2411231 1889-08-16 2411125 1889-05-02 106 AnHar, 1937, vol 105, p 459
-71   2412809 1893-12-11 2412743 1893-10-06 66 AnHar, 1909, vol 55, p 95
-70   2413229 1895-02-04 2413147 1894-11-14 82 AnHar, 1909, vol 55, p 95
-69 5.5 2413607 1896-02-17 2413551 1895-12-23 56 SVO
-68   2414024 1897-04-09 2413956 1897-01-31 68 AnHar, 1909, vol 55, p 95
-66 5.7 2414835 1899-06-29 2414765 1899-04-20 70 SVO
-65 4.4 2415210 1900-07-09 2415169 1900-05-29 41 SVO
-64 5.6 2415624 1901-08-27 2415574 1901-07-08 50 SVO
-63   2416030 1902-10-07 2415978 1902-08-16 52 AnHar, 1952, vol 115
-62 4.2 2416401 1903-10-13 2416382 1903-09-24 19 SVO
-61   2416807 1904-11-22 2416787 1904-11-02 20 AnHar, 1909, vol 55, p 95
-60   2417200 1905-12-20 2417191 1905-12-11 9 AnHar, 1952, vol 115
-58 5.4 2417984 1908-02-12 2418000 1908-02-28 -16 SVO
-57   2418383 1909-03-17 2418405 1909-04-08 -22 GuL, 1918, 1.1
-55 5.8 2419194 1911-06-06 2419213 1911-06-25 -19 SVO
-54 5.2 2419599 1912-07-15 2419618 1912-08-03 -19 SVO
-53   2420010 1913-08-30 2420022 1913-09-11 -12 AnHar, 1952, vol 115
-52   2420400 1914-09-24 2420427 1914-10-21 -27 AnHar, 1952, vol 115
-51 5.7 2420812 1915-11-10 2420831 1915-11-29 -19 SVO
-50   2421214 1916-12-16 2421236 1917-01-07 -22 AnHar, 1952, vol 115, CiUO, 1918, vol 42, p 347
-49   2421618 1918-01-24 2421640 1918-02-15 -22 CiUO, 1918, vol 42, p 347
-48 5.1 2422035 1919-03-17 2422045 1919-03-27 -10 SVO
-47 6.6 2422444 1920-04-29 2422449 1920-05-04 -5 SVO
-46 5.0 2422836 1921-05-26 2422853 1921-06-12 -17 SVO
-45 6.5 2423260 1922-07-24 2423258 1922-07-22 2 AAVSO
-44 6.3 2423662 1923-08-30 2423662 1923-08-30 0 SVO
-43 6.2 2424057 1924-09-28 2424067 1924-10-08 -10 SVO
-42 5.8 2424459 1925-11-04 2424471 1925-11-16 -12 SVO
-41 5.5 2424856 1926-12-06 2424876 1926-12-26 -20 SVO
-40 5.4 2425257 1928-01-11 2425280 1928-02-03 -23 SVO
-39 6.4 2425666 1929-02-23 2425684 1929-03-13 -18 SVO
-38 5.4 2426066 1930-03-30 2426089 1930-04-22 -23 SVO
-37 5.9 2426462 1931-04-30 2426493 1931-05-31 -31 SVO
-36 5.6 2426861 1932-06-02 2426898 1932-07-09 -37 SVO
-35 5.7 2427260 1933-07-06 2427302 1933-08-17 -42 SVO
-34 5.8 2427663 1934-08-13 2427707 1934-09-26 -44 SVO
-33 5.7 2428070 1935-09-24 2428111 1935-11-04 -41 SVO
-32 5.6 2428470 1936-10-28 2428515 1936-12-12 -45 SVO
-31 5.8 2428877 1937-12-09 2428920 1938-01-21 -43 SVO
-30 6.0 2429288 1939-01-24 2429324 1939-03-01 -36 SVO
-29 6.1 2429693 1940-03-04 2429729 1940-04-09 -36 SVO
-28 5.5 2430103 1941-04-18 2430133 1941-05-18 -30 SVO
-27 6.3 2430508 1942-05-28 2430538 1942-06-27 -30 SVO
-26 5.9 2430916 1943-07-10 2430942 1943-08-05 -26 SVO
-25 5.5 2431324 1944-08-21 2431346 1944-09-12 -22 SVO
-24 7.6 2431734 1945-10-05 2431751 1945-10-22 -17 SVO
-23 6.0 2432129 1946-11-04 2432155 1946-11-30 -26 SVO
-22 6.0 2432529 1947-12-09 2432560 1948-01-09 -31 SVO
-21 5.6 2432927 1949-01-10 2432964 1949-02-16 -37 SVO
-20 5.6 2433325 1950-02-12 2433369 1950-03-28 -44 SVO
-19 5.4 2433741 1951-04-04 2433773 1951-05-06 -32 SVO
-18 6.3 2434145 1952-05-12 2434178 1952-06-14 -33 SVO
-17 5.6 2434551 1953-06-22 2434582 1953-07-23 -31 SVO
-16 6.7 2434972 1954-08-17 2434986 1954-08-31 -14 SVO
-15 5.9 2435374 1955-09-23 2435391 1955-10-10 -17 SVO
-14 6.1 2435771 1956-10-24 2435795 1956-11-17 -24 SVO
-13 5.8 2436187 1957-12-14 2436200 1957-12-27 -13 SVO
-12 5.9 2436591 1959-01-22 2436604 1959-02-04 -13 SVO
-11 4.9 2436997 1960-03-03 2437009 1960-03-15 -12 SVO
-10 7.1 2437415 1961-04-25 2437413 1961-04-23 2 SVO
-9 6.2 2437829 1962-06-13 2437817 1962-06-01 12 SVO
-8 6.4 2438240 1963-07-29 2438222 1963-07-11 18 SVO
-7 5.9 2438651 1964-09-12 2438626 1964-08-18 25 SVO
-6 7.0 2439059 1965-10-25 2439031 1965-09-27 28 SVO
-5 5.5 2439462 1966-12-02 2439435 1966-11-05 27 SVO
-4 6.1 2439881 1968-01-25 2439840 1967-12-15 41 SVO
-3 5.2 2440274 1969-02-21 2440244 1969-01-22 30 SVO
-2 6.0 2440690 1970-04-13 2440648 1970-03-02 42 SVO
-1 5.9 2441088 1971-05-16 2441053 1971-04-11 35 SVO
0 6.3 2441497 1972-06-28 2441457 1972-05-19 40 SVO
1 5.1 2441892 1973-07-28 2441862 1973-06-28 30 SVO
2 6.3 2442305 1974-09-14 2442266 1974-08-06 39 SVO
3 6.2 2442698 1975-10-12 2442671 1975-09-15 27 SVO
4 6.4 2443095 1976-11-12 2443075 1976-10-23 20 SVO
5 5.7 2443495 1977-12-17 2443479 1977-12-01 16 SVO
6 5.9 2443897 1979-01-23 2443884 1979-01-10 13 SVO
7 5.3 2444285 1980-02-15 2444288 1980-02-18 -3 SVO
8 5.2 2444670 1981-03-06 2444693 1981-03-29 -23 SVO
9 6.6 2445078 1982-04-18 2445097 1982-05-07 -19 SVO
10 6.1 2445473 1983-05-18 2445502 1983-06-16 -29 SVO
11 5.6 2445864 1984-06-12 2445906 1984-07-24 -42 SVO
12 5.8 2446274 1985-07-27 2446311 1985-09-02 -37 SVO
13 6.1 2446674 1986-08-31 2446715 1986-10-11 -41 SVO
14 6.0 2447082 1987-10-13 2447119 1987-11-19 -37 SVO
15 5.3 2447488 1988-11-22 2447524 1988-12-28 -36 SVO
16 5.7 2447901 1990-01-09 2447928 1990-02-05 -27 SVO
17 6.2 2448318 1991-03-02 2448333 1991-03-17 -15 SVO
18 5.6 2448729 1992-04-16 2448737 1992-04-24 -8 SVO
19 5.5 2449139 1993-05-31 2449142 1993-06-03 -3 SVO
20 5.4 2449541 1994-07-07 2449546 1994-07-12 -5 SVO
21 5.7 2449956 1995-08-26 2449950 1995-08-20 6 SVO
22 6.0 2450359 1996-10-02 2450355 1996-09-28 4 SVO
23 5.8 2450762 1997-11-09 2450759 1997-11-06 3 SVO
24 5.3 2451170 1998-12-22 2451164 1998-12-16 6 SVO
25 6.5 2451583 2000-02-08 2451568 2000-01-24 15 SVO
26 4.9 2451981 2001-03-12 2451973 2001-03-04 8 SVO
27 5.1 2452388 2002-04-23 2452377 2002-04-12 11 SVO
28 5.9 2452787 2003-05-27 2452781 2003-05-21 6 SVO
29 5.5 2453195 2004-07-08 2453186 2004-06-29 9 SVO
30 6.5 2453608 2005-08-25 2453590 2005-08-07 18 SVO
31 5.8 2454011 2006-10-02 2453995 2006-09-16 16 SVO
32 5.8 2454419 2007-11-14 2454399 2007-10-25 20 SVO
33 5.3 2454824 2008-12-23 2454804 2008-12-03 20 SVO
34 6.3 2455230 2010-02-02 2455208 2010-01-11 22 SVO
35 5.7 2455647 2011-03-26 2455612 2011-02-19 35 SVO
36 5.2 2456048 2012-04-30 2456017 2012-03-30 31 SVO
37 6.0 2456458 2013-06-14 2456421 2013-05-08 37 SVO
38 5.2 2456845 2014-07-06 2456826 2014-06-17 19 SVO
39 6.2 2457250 2015-08-15 2457230 2015-07-26 20 SVO
40 5.8 2457652 2016-09-20 2457635 2016-09-03 17 SVO
41 6.3 2458055 2017-10-28 2458039 2017-10-12 16 SVO
42 5.7 2458452 2018-11-29 2458444 2018-11-21 8 SVO
43 5.8 2458849 2019-12-31 2458848 2019-12-30 1 SVO
44 5.7 2459258 2021-02-12 2459252 2021-02-06 6 SVO
45   2459665 2022-03-26 2459657 2022-03-18 8 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.