Maxima for R Oph
Period: 302.96, Epoch: 2445214.5
AAVSO offset: 1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-156   2398008 1853-06-03 2397953 1853-04-09 55 GuL, 1920, 1.2
-152   2399209 1856-09-16 2399165 1856-08-03 44 AnHar, 1909, vol 55, p 95
-151 8.1 2399511 1857-07-15 2399468 1857-06-02 43 SVO
-150 6.9 2399809 1858-05-09 2399771 1858-04-01 38 SVO
-145   2401329 1862-07-07 2401286 1862-05-25 43 AnHar, 1909, vol 55, p 95
-144   2401626 1863-04-30 2401589 1863-03-24 37 AnHar, 1909, vol 55, p 95
-139   2403153 1867-07-05 2403104 1867-05-17 49 AnHar, 1909, vol 55, p 95
-138   2403440 1868-04-17 2403406 1868-03-14 34 AnHar, 1909, vol 55, p 95
-137   2403743 1869-02-14 2403709 1869-01-11 34 VeBam, 1931, vol 3, p 1
-135   2404350 1870-10-14 2404315 1870-09-09 35 VeBam, 1931, vol 3, p 1
-134   2404645 1871-08-05 2404618 1871-07-09 27 AnHar, 1909, vol 55, p 95
-128   2406476 1876-08-09 2406436 1876-06-30 40 AnHar, 1909, vol 55, p 95
-127   2406769 1877-05-29 2406739 1877-04-29 30 AnHar, 1909, vol 55, p 95
-126   2407078 1878-04-03 2407042 1878-02-26 36 AnHar, 1909, vol 55, p 95
-111   2411625 1890-09-14 2411586 1890-08-06 39 AnHar, 1909, vol 55, p 95
-105   2413404 1895-07-29 2413404 1895-07-29 0 AnHar, 1909, vol 55, p 95
-104   2413712 1896-06-01 2413707 1896-05-27 5 AnHar, 1909, vol 55, p 95
-103   2414018 1897-04-03 2414010 1897-03-26 8 SVO
-100   2414926 1899-09-28 2414919 1899-09-21 7 AnHar, 1909, vol 55, p 95
-99   2415218 1900-07-17 2415222 1900-07-21 -4 AnHar, 1909, vol 55, p 95
-98   2415530 1901-05-25 2415525 1901-05-20 5 AnHar, 1909, vol 55, p 95
-97   2415834 1902-03-25 2415828 1902-03-19 6 AnHar, 1909, vol 55, p 95
-94   2416736 1904-09-12 2416737 1904-09-13 -1 AnHar, 1909, vol 55, p 95
-93 7.3 2417042 1905-07-15 2417040 1905-07-13 2 AAVSO
-92   2417352 1906-05-21 2417342 1906-05-11 10 AAVSO
-91   2417641 1907-03-06 2417645 1907-03-10 -4 AAVSO
-90   2417946 1908-01-05 2417948 1908-01-07 -2 AAVSO
-89   2418243 1908-10-28 2418251 1908-11-05 -8 AAVSO
-88 7.8 2418570 1909-09-20 2418554 1909-09-04 16 AAVSO
-87 7.8 2418868 1910-07-15 2418857 1910-07-04 11 AAVSO
-86 7.3 2419161 1911-05-04 2419160 1911-05-03 1 SVO
-85 7.2 2419454 1912-02-21 2419463 1912-03-01 -9 SVO
-84   2419761 1912-12-24 2419766 1912-12-29 -5 AAVSO
-83 7.9 2420061 1913-10-20 2420069 1913-10-28 -8 AAVSO
-82 7.5 2420365 1914-08-20 2420372 1914-08-27 -7 SVO
-81 8.0 2420670 1915-06-21 2420675 1915-06-26 -5 SVO
-80 6.8 2420976 1916-04-22 2420978 1916-04-24 -2 AAVSO
-79   2421276 1917-02-16 2421281 1917-02-21 -5 AAVSO
-78   2421576 1917-12-13 2421584 1917-12-21 -8 AAVSO
-77 8.0 2421868 1918-10-01 2421887 1918-10-20 -19 AAVSO
-76 7.0 2422169 1919-07-29 2422190 1919-08-19 -21 SVO
-75 8.3 2422464 1920-05-19 2422493 1920-06-17 -29 SVO
-74 7.2 2422780 1921-03-31 2422796 1921-04-16 -16 AAVSO
-73 7.5 2423081 1922-01-26 2423099 1922-02-13 -18 AAVSO
-72 7.5 2423384 1922-11-25 2423402 1922-12-13 -18 SVO
-71 7.5 2423680 1923-09-17 2423705 1923-10-12 -25 SVO
-70 7.5 2423983 1924-07-16 2424008 1924-08-10 -25 SVO
-69 7.8 2424292 1925-05-21 2424310 1925-06-08 -18 SVO
-68 7.3 2424590 1926-03-15 2424613 1926-04-07 -23 SVO
-67   2424893 1927-01-12 2424916 1927-02-04 -23 AAVSO
-66 7.4 2425204 1927-11-19 2425219 1927-12-04 -15 SVO
-65 7.6 2425499 1928-09-09 2425522 1928-10-02 -23 SVO
-64 7.8 2425810 1929-07-17 2425825 1929-08-01 -15 SVO
-63 7.6 2426106 1930-05-09 2426128 1930-05-31 -22 SVO
-62 7.1 2426401 1931-02-28 2426431 1931-03-30 -30 SVO
-61   2426700 1931-12-24 2426734 1932-01-27 -34 AAVSO
-60 7.6 2427004 1932-10-23 2427037 1932-11-25 -33 SVO
-59 7.4 2427310 1933-08-25 2427340 1933-09-24 -30 SVO
-58 7.7 2427621 1934-07-02 2427643 1934-07-24 -22 SVO
-57 7.0 2427909 1935-04-16 2427946 1935-05-23 -37 SVO
-56 7.8 2428225 1936-02-26 2428249 1936-03-21 -24 AAVSO
-55   2428523 1936-12-20 2428552 1937-01-18 -29 AAVSO
-54 7.5 2428824 1937-10-17 2428855 1937-11-17 -31 AAVSO
-53 7.3 2429134 1938-08-23 2429158 1938-09-16 -24 SVO
-52 7.9 2429439 1939-06-24 2429461 1939-07-16 -22 SVO
-51 7.3 2429740 1940-04-20 2429764 1940-05-14 -24 SVO
-50   2430042 1941-02-16 2430067 1941-03-13 -25 AAVSO
-49   2430348 1941-12-19 2430370 1942-01-10 -22 AAVSO
-48 8.0 2430656 1942-10-23 2430673 1942-11-09 -17 AAVSO
-47 7.8 2430957 1943-08-20 2430976 1943-09-08 -19 SVO
-46 7.1 2431255 1944-06-13 2431278 1944-07-06 -23 SVO
-45   2431560 1945-04-14 2431581 1945-05-05 -21 AAVSO
-44   2431878 1946-02-26 2431884 1946-03-04 -6 AAVSO
-42   2432484 1947-10-25 2432490 1947-10-31 -6 AAVSO
-41 7.0 2432775 1948-08-11 2432793 1948-08-29 -18 SVO
-40 7.4 2433087 1949-06-19 2433096 1949-06-28 -9 SVO
-39 7.6 2433397 1950-04-25 2433399 1950-04-27 -2 SVO
-38 7.7 2433699 1951-02-21 2433702 1951-02-24 -3 AAVSO
-37 7.1 2433995 1951-12-14 2434005 1951-12-24 -10 SVO
-36 7.4 2434296 1952-10-10 2434308 1952-10-22 -12 AAVSO
-35 7.9 2434606 1953-08-16 2434611 1953-08-21 -5 SVO
-34 7.6 2434910 1954-06-16 2434914 1954-06-20 -4 SVO
-33 7.3 2435209 1955-04-11 2435217 1955-04-19 -8 SVO
-32 7.9 2435511 1956-02-07 2435520 1956-02-16 -9 AAVSO
-31   2435811 1956-12-03 2435823 1956-12-15 -12 AAVSO
-30 7.4 2436111 1957-09-29 2436126 1957-10-14 -15 AAVSO
-29 7.6 2436407 1958-07-22 2436429 1958-08-13 -22 SVO
-28 7.3 2436704 1959-05-15 2436732 1959-06-12 -28 SVO
-27 7.9 2437016 1960-03-22 2437035 1960-04-10 -19 SVO
-26   2437320 1961-01-20 2437338 1961-02-07 -18 AAVSO
-25   2437618 1961-11-14 2437641 1961-12-07 -23 AAVSO
-24 7.9 2437924 1962-09-16 2437944 1962-10-06 -20 AAVSO
-23 7.4 2438227 1963-07-16 2438246 1963-08-04 -19 SVO
-22 7.6 2438535 1964-05-19 2438549 1964-06-02 -14 SVO
-21 7.3 2438830 1965-03-10 2438852 1965-04-01 -22 SVO
-20 7.4 2439136 1966-01-10 2439155 1966-01-29 -19 AAVSO
-19 7.7 2439436 1966-11-06 2439458 1966-11-28 -22 SVO
-18 7.6 2439739 1967-09-05 2439761 1967-09-27 -22 SVO
-17 7.3 2440039 1968-07-01 2440064 1968-07-26 -25 SVO
-16 7.2 2440338 1969-04-26 2440367 1969-05-25 -29 SVO
-15 7.8 2440642 1970-02-24 2440670 1970-03-24 -28 AAVSO
-14 8.2 2440944 1970-12-23 2440973 1971-01-21 -29 AAVSO
-13 8.0 2441255 1971-10-30 2441276 1971-11-20 -21 SVO
-12 7.5 2441568 1972-09-07 2441579 1972-09-18 -11 SVO
-11 7.6 2441870 1973-07-06 2441882 1973-07-18 -12 SVO
-10 7.3 2442182 1974-05-14 2442185 1974-05-17 -3 SVO
-9 7.6 2442482 1975-03-10 2442488 1975-03-16 -6 AAVSO
-8 7.9 2442781 1976-01-03 2442791 1976-01-13 -10 AAVSO
-7 8.0 2443095 1976-11-12 2443094 1976-11-11 1 SVO
-6 8.2 2443407 1977-09-20 2443397 1977-09-10 10 SVO
-5 7.1 2443707 1978-07-17 2443700 1978-07-10 7 SVO
-4 7.7 2444012 1979-05-18 2444003 1979-05-09 9 SVO
-3 7.9 2444316 1980-03-17 2444306 1980-03-07 10 SVO
-2 7.4 2444614 1981-01-09 2444609 1981-01-04 5 SVO
-1 8.2 2444919 1981-11-10 2444912 1981-11-03 7 SVO
0 7.8 2445227 1982-09-14 2445214 1982-09-01 13 AAVSO
1 7.8 2445542 1983-07-26 2445517 1983-07-01 25 SVO
2 7.5 2445837 1984-05-16 2445820 1984-04-29 17 SVO
3 7.6 2446138 1985-03-13 2446123 1985-02-26 15 SVO
4 7.4 2446438 1986-01-07 2446426 1985-12-26 12 SVO
5 7.2 2446736 1986-11-01 2446729 1986-10-25 7 SVO
6 7.1 2447036 1987-08-28 2447032 1987-08-24 4 SVO
7 8.3 2447343 1988-06-30 2447335 1988-06-22 8 SVO
8 7.8 2447647 1989-04-30 2447638 1989-04-21 9 SVO
9 7.3 2447933 1990-02-10 2447941 1990-02-18 -8 SVO
10 8.2 2448250 1990-12-24 2448244 1990-12-18 6 SVO
11 7.7 2448552 1991-10-22 2448547 1991-10-17 5 SVO
12 7.1 2448843 1992-08-08 2448850 1992-08-15 -7 SVO
13 7.4 2449136 1993-05-28 2449153 1993-06-14 -17 SVO
14 7.6 2449438 1994-03-26 2449456 1994-04-13 -18 SVO
15 7.6 2449750 1995-02-01 2449759 1995-02-10 -9 SVO
16 7.8 2450053 1995-12-01 2450062 1995-12-10 -9 SVO
17 7.8 2450358 1996-10-01 2450365 1996-10-08 -7 SVO
18 7.7 2450664 1997-08-03 2450668 1997-08-07 -4 SVO
19 7.4 2450968 1998-06-03 2450971 1998-06-06 -3 SVO
20 7.3 2451269 1999-03-31 2451274 1999-04-05 -5 SVO
21   2451582 2000-02-07 2451577 2000-02-02 5 AAVSO
22 8.0 2451883 2000-12-04 2451880 2000-12-01 3 SVO
23 7.3 2452184 2001-10-01 2452182 2001-09-29 2 SVO
24 7.8 2452495 2002-08-08 2452485 2002-07-29 10 SVO
25 8.0 2452805 2003-06-14 2452788 2003-05-28 17 SVO
26 7.1 2453104 2004-04-08 2453091 2004-03-26 13 SVO
27 7.8 2453411 2005-02-09 2453394 2005-01-23 17 SVO
28 7.3 2453715 2005-12-10 2453697 2005-11-22 18 SVO
29 7.9 2454026 2006-10-17 2454000 2006-09-21 26 SVO
30 7.9 2454333 2007-08-20 2454303 2007-07-21 30 SVO
31 7.3 2454636 2008-06-18 2454606 2008-05-19 30 SVO
32 7.6 2454939 2009-04-17 2454909 2009-03-18 30 SVO
33 8.1 2455248 2010-02-20 2455212 2010-01-15 36 SVO
34   2455557 2010-12-26 2455515 2010-11-14 42 AAVSO
35 7.2 2455846 2011-10-11 2455818 2011-09-13 28 SVO
36 8.2 2456154 2012-08-14 2456121 2012-07-12 33 SVO
37 7.8 2456469 2013-06-25 2456424 2013-05-11 45 SVO
38 7.8 2456768 2014-04-20 2456727 2014-03-10 41 SVO
39 8.3 2457063 2015-02-09 2457030 2015-01-07 33 AAVSO
40 7.6 2457353 2015-11-26 2457333 2015-11-06 20 SVO
41 8.0 2457660 2016-09-28 2457636 2016-09-04 24 SVO
42 7.4 2457960 2017-07-25 2457939 2017-07-04 21 SVO
43 8.3 2458270 2018-05-31 2458242 2018-05-03 28 SVO
44 8.0 2458568 2019-03-25 2458545 2019-03-02 23 SVO
45   2458870 2020-01-21 2458848 2019-12-30 22 SVO
46 8.5 2459173 2020-11-19 2459150 2020-10-27 23 SVO
47 7.5 2459470 2021-09-12 2459453 2021-08-26 17 SVO
48 7.7 2459769 2022-07-08 2459756 2022-06-25 13 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.