Maxima for R Per
Period: 210.02, Epoch: 2445359.0
AAVSO offset: -1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-211   2401058 1861-10-09 2401046 1861-09-27 12 MNRAS, 1916, vol 76, p 469, AnHar, 1909, vol 55, p 95
-209   2401465 1862-11-20 2401466 1862-11-21 -1 MNRAS, 1916, vol 76, p 469, AnHar, 1909, vol 55, p 95
-207   2401882 1864-01-11 2401886 1864-01-15 -4 AnHar, 1909, vol 55, p 95, MNRAS, 1916, vol 76, p 469
-206   2402104 1864-08-20 2402096 1864-08-12 8 AnHar, 1909, vol 55, p 95
-205 9.3 2402306 1865-03-10 2402306 1865-03-10 0 SVO
-204   2402511 1865-10-01 2402516 1865-10-06 -5 MNRAS, 1916, vol 76, p 469, AnHar, 1909, vol 55, p 95
-203 8.2 2402714 1866-04-22 2402726 1866-05-04 -12 SVO
-202 9.2 2402911 1866-11-05 2402936 1866-11-30 -25 SVO
-201   2403124 1867-06-06 2403146 1867-06-28 -22 MNRAS, 1916, vol 76, p 469
-200   2403333 1868-01-01 2403356 1868-01-24 -23 MNRAS, 1916, vol 76, p 469
-199   2403551 1868-08-06 2403566 1868-08-21 -15 VeBam, 1931, vol 3, p 1
-198 8.9 2403757 1869-02-28 2403776 1869-03-19 -19 SVO
-197   2403971 1869-09-30 2403986 1869-10-15 -15 VeBam, 1931, vol 3, p 1, AnHar, 1909, vol 55, p 95
-196   2404170 1870-04-17 2404196 1870-05-13 -26 VeBam, 1931, vol 3, p 1
-195 8.8 2404384 1870-11-17 2404406 1870-12-09 -22 SVO
-193 8.4 2404810 1872-01-17 2404826 1872-02-02 -16 SVO
-192   2405023 1872-08-17 2405036 1872-08-30 -13 AnHar, 1909, vol 55, p 95
-191   2405235 1873-03-17 2405246 1873-03-28 -11 AnHar, 1909, vol 55, p 95
-190   2405441 1873-10-09 2405456 1873-10-24 -15 AnHar, 1909, vol 55, p 95
-189 8.9 2405661 1874-05-17 2405666 1874-05-22 -5 SVO
-188 8.6 2405868 1874-12-10 2405876 1874-12-18 -8 SVO
-185   2406511 1876-09-13 2406506 1876-09-08 5 GuL, 1918, 1.1
-183   2406922 1877-10-29 2406926 1877-11-02 -4 GuL, 1918, 1.1
-181   2407346 1878-12-27 2407346 1878-12-27 0 MNRAS, 1916, vol 76, p 469
-180   2407588 1879-08-26 2407556 1879-07-25 32 GuL, 1918, 1.1
-179   2407776 1880-03-01 2407766 1880-02-20 10 AnHar, 1909, vol 55, p 95, GuL, 1918, 1.1
-178   2407986 1880-09-27 2407976 1880-09-17 10 MNRAS, 1916, vol 76, p 469, AnHar, 1909, vol 55, p 95
-177   2408197 1881-04-26 2408186 1881-04-15 11 GuL, 1918, 1.1
-176   2408414 1881-11-29 2408396 1881-11-11 18 AnHar, 1909, vol 55, p 95
-175   2408625 1882-06-28 2408606 1882-06-09 19 GuL, 1918, 1.1
-174   2408831 1883-01-20 2408816 1883-01-05 15 AnHar, 1909, vol 55, p 95
-173   2409049 1883-08-26 2409026 1883-08-03 23 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-172   2409241 1884-03-05 2409236 1884-02-29 5 AnHar, 1909, vol 55, p 95
-171 8.5 2409458 1884-10-08 2409446 1884-09-26 12 SVO
-169   2409880 1885-12-04 2409866 1885-11-20 14 AN, 1910, vol 186, p 45
-167   2410291 1887-01-19 2410286 1887-01-14 5 AnHar, 1909, vol 55, p 95, MNRAS, 1916, vol 76, p 469
-164   2410946 1888-11-04 2410916 1888-10-05 30 AN, 1910, vol 186, p 45, AnHar, 1909, vol 55, p 95
-162   2411345 1889-12-08 2411336 1889-11-29 9 AN, 1910, vol 186, p 45
-160   2411755 1891-01-22 2411756 1891-01-23 -1 AN, 1910, vol 186, p 45
-159   2411975 1891-08-30 2411966 1891-08-21 9 AnHar, 1909, vol 55, p 95
-158   2412188 1892-03-30 2412176 1892-03-18 12 AN, 1910, vol 186, p 45, AnHar, 1909, vol 55, p 95
-157   2412381 1892-10-09 2412386 1892-10-14 -5 AN, 1910, vol 186, p 45, GuL, 1918, 1.1
-156   2412590 1893-05-06 2412596 1893-05-12 -6 GuL, 1918, 1.1
-155   2412803 1893-12-05 2412806 1893-12-08 -3 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-153   2413250 1895-02-25 2413226 1895-02-01 24 AnHar, 1909, vol 55, p 95, GuL, 1918, 1.1
-151   2413625 1896-03-06 2413647 1896-03-28 -22 GuL, 1918, 1.1
-150   2413854 1896-10-21 2413857 1896-10-24 -3 AnHar, 1909, vol 55, p 95
-148   2414284 1897-12-25 2414277 1897-12-18 7 AnHar, 1909, vol 55, p 95
-144   2415119 1900-04-09 2415117 1900-04-07 2 AnHar, 1909, vol 55, p 95
-141   2415770 1902-01-20 2415747 1901-12-28 23 AnHar, 1952, vol 118
-139   2416180 1903-03-06 2416167 1903-02-21 13 AnHar, 1952, vol 118
-138   2416401 1903-10-13 2416377 1903-09-19 24 AAVSO
-137   2416612 1904-05-11 2416587 1904-04-16 25 AAVSO
-136 8.4 2416806 1904-11-21 2416797 1904-11-12 9 SVO
-134 8.4 2417225 1906-01-14 2417217 1906-01-06 8 SVO
-133   2417431 1906-08-08 2417427 1906-08-04 4 AAVSO
-132 8.9 2417643 1907-03-08 2417637 1907-03-02 6 AAVSO
-131 8.7 2417866 1907-10-17 2417847 1907-09-28 19 AAVSO
-130 8.6 2418073 1908-05-11 2418057 1908-04-25 16 AAVSO
-129 8.6 2418268 1908-11-22 2418267 1908-11-21 1 SVO
-128   2418494 1909-07-06 2418477 1909-06-19 17 AAVSO
-127 8.6 2418692 1910-01-20 2418687 1910-01-15 5 SVO
-126   2418906 1910-08-22 2418897 1910-08-13 9 AAVSO
-125 8.3 2419100 1911-03-04 2419107 1911-03-11 -7 AAVSO
-124 8.6 2419312 1911-10-02 2419317 1911-10-07 -5 AAVSO
-123   2419535 1912-05-12 2419527 1912-05-04 8 AAVSO
-122 8.7 2419735 1912-11-28 2419737 1912-11-30 -2 SVO
-120 8.4 2420152 1914-01-19 2420157 1914-01-24 -5 SVO
-119   2420362 1914-08-17 2420367 1914-08-22 -5 AAVSO
-118 8.5 2420570 1915-03-13 2420577 1915-03-20 -7 AAVSO
-117 8.5 2420784 1915-10-13 2420787 1915-10-16 -3 SVO
-116   2420987 1916-05-03 2420997 1916-05-13 -10 AAVSO
-115 8.7 2421208 1916-12-10 2421207 1916-12-09 1 SVO
-114 8.9 2421413 1917-07-03 2421417 1917-07-07 -4 AAVSO
-113 8.3 2421619 1918-01-25 2421627 1918-02-02 -8 SVO
-112 9.0 2421845 1918-09-08 2421837 1918-08-31 8 SVO
-111 8.6 2422068 1919-04-19 2422047 1919-03-29 21 AAVSO
-110 8.3 2422264 1919-11-01 2422257 1919-10-25 7 SVO
-109   2422476 1920-05-31 2422467 1920-05-22 9 AAVSO
-108 8.3 2422683 1920-12-24 2422677 1920-12-18 6 SVO
-107 8.8 2422894 1921-07-23 2422887 1921-07-16 7 AAVSO
-106 8.7 2423108 1922-02-22 2423097 1922-02-11 11 SVO
-105 8.4 2423307 1922-09-09 2423307 1922-09-09 0 SVO
-104 9.0 2423530 1923-04-20 2423517 1923-04-07 13 SVO
-103 9.3 2423741 1923-11-17 2423727 1923-11-03 14 SVO
-102 8.7 2423940 1924-06-03 2423937 1924-05-31 3 SVO
-101 8.9 2424149 1924-12-29 2424147 1924-12-27 2 SVO
-100 8.5 2424353 1925-07-21 2424357 1925-07-25 -4 SVO
-99 8.9 2424562 1926-02-15 2424567 1926-02-20 -5 SVO
-98 8.5 2424767 1926-09-08 2424777 1926-09-18 -10 SVO
-97 9.1 2424972 1927-04-01 2424987 1927-04-16 -15 SVO
-96 8.5 2425186 1927-11-01 2425197 1927-11-12 -11 SVO
-95 8.9 2425399 1928-06-01 2425407 1928-06-09 -8 SVO
-94 8.5 2425599 1928-12-18 2425617 1929-01-05 -18 SVO
-93 8.9 2425809 1929-07-16 2425827 1929-08-03 -18 AAVSO
-92 8.7 2426017 1930-02-09 2426037 1930-03-01 -20 SVO
-91 9.2 2426229 1930-09-09 2426247 1930-09-27 -18 SVO
-90 9.0 2426449 1931-04-17 2426458 1931-04-26 -9 AAVSO
-89 8.4 2426649 1931-11-03 2426668 1931-11-22 -19 SVO
-88 8.7 2426855 1932-05-27 2426878 1932-06-19 -23 SVO
-87 8.5 2427055 1932-12-13 2427088 1933-01-15 -33 SVO
-86 9.2 2427273 1933-07-19 2427298 1933-08-13 -25 SVO
-85 8.6 2427489 1934-02-20 2427508 1934-03-11 -19 SVO
-84 9.2 2427702 1934-09-21 2427718 1934-10-07 -16 SVO
-83 8.3 2427916 1935-04-23 2427928 1935-05-05 -12 AAVSO
-82 9.0 2428123 1935-11-16 2428138 1935-12-01 -15 SVO
-81   2428322 1936-06-02 2428348 1936-06-28 -26 AAVSO
-80 8.5 2428536 1937-01-02 2428558 1937-01-24 -22 SVO
-79 8.8 2428746 1937-07-31 2428768 1937-08-22 -22 SVO
-78 9.7 2428972 1938-03-14 2428978 1938-03-20 -6 SVO
-77 8.6 2429172 1938-09-30 2429188 1938-10-16 -16 SVO
-76   2429388 1939-05-04 2429398 1939-05-14 -10 AAVSO
-75 9.4 2429605 1939-12-07 2429608 1939-12-10 -3 SVO
-74 9.5 2429834 1940-07-23 2429818 1940-07-07 16 SVO
-73 9.0 2430031 1941-02-05 2430028 1941-02-02 3 SVO
-72 8.9 2430247 1941-09-09 2430238 1941-08-31 9 SVO
-71 8.8 2430452 1942-04-02 2430448 1942-03-29 4 AAVSO
-70 9.3 2430669 1942-11-05 2430658 1942-10-25 11 SVO
-69   2430887 1943-06-11 2430868 1943-05-23 19 AAVSO
-68 8.6 2431088 1943-12-29 2431078 1943-12-19 10 SVO
-67 9.1 2431306 1944-08-03 2431288 1944-07-16 18 AAVSO
-66 8.8 2431519 1945-03-04 2431498 1945-02-11 21 SVO
-65 8.2 2431717 1945-09-18 2431708 1945-09-09 9 SVO
-64 8.4 2431929 1946-04-18 2431918 1946-04-07 11 AAVSO
-63 9.6 2432146 1946-11-21 2432128 1946-11-03 18 SVO
-62 8.8 2432356 1947-06-19 2432338 1947-06-01 18 AAVSO
-61 8.6 2432558 1948-01-07 2432548 1947-12-28 10 SVO
-60 8.8 2432762 1948-07-29 2432758 1948-07-25 4 AAVSO
-59 8.6 2432972 1949-02-24 2432968 1949-02-20 4 SVO
-58 8.6 2433176 1949-09-16 2433178 1949-09-18 -2 SVO
-57 8.7 2433381 1950-04-09 2433388 1950-04-16 -7 AAVSO
-56 9.5 2433611 1950-11-25 2433598 1950-11-12 13 SVO
-55   2433814 1951-06-16 2433808 1951-06-10 6 AAVSO
-54 9.1 2434031 1952-01-19 2434018 1952-01-06 13 SVO
-53 8.8 2434236 1952-08-11 2434228 1952-08-03 8 AAVSO
-52 8.8 2434448 1953-03-11 2434438 1953-03-01 10 AAVSO
-51 8.7 2434647 1953-09-26 2434648 1953-09-27 -1 SVO
-50   2434868 1954-05-05 2434858 1954-04-25 10 AAVSO
-49 8.9 2435072 1954-11-25 2435068 1954-11-21 4 SVO
-48   2435280 1955-06-21 2435278 1955-06-19 2 AAVSO
-47 8.7 2435484 1956-01-11 2435488 1956-01-15 -4 SVO
-46 8.6 2435696 1956-08-10 2435698 1956-08-12 -2 AAVSO
-45 9.3 2435907 1957-03-09 2435908 1957-03-10 -1 SVO
-44 8.9 2436122 1957-10-10 2436118 1957-10-06 4 SVO
-43   2436329 1958-05-05 2436328 1958-05-04 1 AAVSO
-42 9.0 2436545 1958-12-07 2436538 1958-11-30 7 SVO
-41   2436754 1959-07-04 2436748 1959-06-28 6 AAVSO
-40 8.8 2436963 1960-01-29 2436958 1960-01-24 5 SVO
-39 8.5 2437176 1960-08-29 2437168 1960-08-21 8 SVO
-38 9.3 2437390 1961-03-31 2437378 1961-03-19 12 SVO
-37 8.8 2437598 1961-10-25 2437588 1961-10-15 10 SVO
-36   2437812 1962-05-27 2437798 1962-05-13 14 AAVSO
-35 8.8 2438018 1962-12-19 2438008 1962-12-09 10 SVO
-34 8.7 2438221 1963-07-10 2438218 1963-07-07 3 AAVSO
-33 9.2 2438437 1964-02-11 2438428 1964-02-02 9 SVO
-32 8.8 2438648 1964-09-09 2438638 1964-08-30 10 SVO
-31 9.0 2438867 1965-04-16 2438848 1965-03-28 19 SVO
-30 8.9 2439068 1965-11-03 2439058 1965-10-24 10 SVO
-29 8.0 2439269 1966-05-23 2439268 1966-05-22 1 SVO
-28 9.1 2439489 1966-12-29 2439479 1966-12-19 10 SVO
-27 8.9 2439696 1967-07-24 2439689 1967-07-17 7 AAVSO
-26 8.8 2439907 1968-02-20 2439899 1968-02-12 8 SVO
-25 8.9 2440115 1968-09-15 2440109 1968-09-09 6 SVO
-24 8.7 2440326 1969-04-14 2440319 1969-04-07 7 AAVSO
-23 9.2 2440537 1969-11-11 2440529 1969-11-03 8 SVO
-22   2440749 1970-06-11 2440739 1970-06-01 10 AAVSO
-21 9.1 2440955 1971-01-03 2440949 1970-12-28 6 SVO
-20 8.8 2441159 1971-07-26 2441159 1971-07-26 0 AAVSO
-19 8.6 2441365 1972-02-17 2441369 1972-02-21 -4 SVO
-18 9.1 2441572 1972-09-11 2441579 1972-09-18 -7 SVO
-17 8.9 2441789 1973-04-16 2441789 1973-04-16 0 SVO
-16 8.5 2441992 1973-11-05 2441999 1973-11-12 -7 SVO
-15   2442209 1974-06-10 2442209 1974-06-10 0 AAVSO
-14 8.9 2442417 1975-01-04 2442419 1975-01-06 -2 SVO
-13 8.9 2442626 1975-08-01 2442629 1975-08-04 -3 AAVSO
-12 8.5 2442827 1976-02-18 2442839 1976-03-01 -12 SVO
-11 9.4 2443043 1976-09-21 2443049 1976-09-27 -6 SVO
-10 9.2 2443256 1977-04-22 2443259 1977-04-25 -3 AAVSO
-9 8.5 2443457 1977-11-09 2443469 1977-11-21 -12 SVO
-8 10.3 2443664 1978-06-04 2443679 1978-06-19 -15 AAVSO
-7 8.9 2443868 1978-12-25 2443889 1979-01-15 -21 SVO
-6 9.0 2444086 1979-07-31 2444099 1979-08-13 -13 SVO
-5 8.6 2444288 1980-02-18 2444309 1980-03-10 -21 SVO
-4 9.1 2444495 1980-09-12 2444519 1980-10-06 -24 SVO
-3 8.7 2444700 1981-04-05 2444729 1981-05-04 -29 AAVSO
-2 9.2 2444915 1981-11-06 2444939 1981-11-30 -24 SVO
-1 10.3 2445129 1982-06-08 2445149 1982-06-28 -20 AAVSO
0 9.3 2445341 1983-01-06 2445359 1983-01-24 -18 SVO
1 8.9 2445549 1983-08-02 2445569 1983-08-22 -20 AAVSO
2 8.6 2445767 1984-03-07 2445779 1984-03-19 -12 SVO
3 9.1 2445977 1984-10-03 2445989 1984-10-15 -12 SVO
4 9.1 2446189 1985-05-03 2446199 1985-05-13 -10 AAVSO
5 9.0 2446396 1985-11-26 2446409 1985-12-09 -13 SVO
6 9.3 2446608 1986-06-26 2446619 1986-07-07 -11 AAVSO
7 9.1 2446818 1987-01-22 2446829 1987-02-02 -11 SVO
8 8.5 2447026 1987-08-18 2447039 1987-08-31 -13 SVO
9   2447248 1988-03-27 2447249 1988-03-28 -1 AAVSO
10 9.0 2447457 1988-10-22 2447459 1988-10-24 -2 SVO
11   2447660 1989-05-13 2447669 1989-05-22 -9 AAVSO
12 9.8 2447879 1989-12-18 2447879 1989-12-18 0 SVO
13   2448088 1990-07-15 2448089 1990-07-16 -1 AAVSO
14 9.1 2448298 1991-02-10 2448299 1991-02-11 -1 SVO
15 8.8 2448500 1991-08-31 2448509 1991-09-09 -9 SVO
16   2448729 1992-04-16 2448719 1992-04-06 10 AAVSO
17 8.7 2448930 1992-11-03 2448929 1992-11-02 1 SVO
18   2449143 1993-06-04 2449139 1993-05-31 4 AAVSO
19 9.6 2449350 1993-12-28 2449349 1993-12-27 1 SVO
20 9.3 2449565 1994-07-31 2449559 1994-07-25 6 SVO
21 8.6 2449772 1995-02-23 2449769 1995-02-20 3 SVO
22 8.6 2449982 1995-09-21 2449979 1995-09-18 3 SVO
23   2450188 1996-04-14 2450189 1996-04-15 -1 AAVSO
24 9.4 2450395 1996-11-07 2450399 1996-11-11 -4 SVO
25 9.0 2450607 1997-06-07 2450609 1997-06-09 -2 SVO
26 8.7 2450819 1998-01-05 2450819 1998-01-05 0 SVO
27   2451025 1998-07-30 2451029 1998-08-03 -4 AAVSO
28 8.7 2451230 1999-02-20 2451239 1999-03-01 -9 SVO
29 8.6 2451438 1999-09-16 2451449 1999-09-27 -11 SVO
30   2451649 2000-04-14 2451659 2000-04-24 -10 AAVSO
31 8.7 2451857 2000-11-08 2451869 2000-11-20 -12 SVO
32   2452078 2001-06-17 2452079 2001-06-18 -1 AAVSO
33 8.6 2452279 2002-01-04 2452289 2002-01-14 -10 SVO
34   2452489 2002-08-02 2452499 2002-08-12 -10 AAVSO
35 10.0 2452702 2003-03-03 2452710 2003-03-11 -8 SVO
36 9.1 2452909 2003-09-26 2452920 2003-10-07 -11 SVO
37   2453121 2004-04-25 2453130 2004-05-04 -9 AAVSO
38 8.7 2453338 2004-11-28 2453340 2004-11-30 -2 SVO
39   2453544 2005-06-22 2453550 2005-06-28 -6 AAVSO
40 9.0 2453763 2006-01-27 2453760 2006-01-24 3 SVO
41 8.9 2453977 2006-08-29 2453970 2006-08-22 7 SVO
42   2454179 2007-03-19 2454180 2007-03-20 -1 AAVSO
43 8.5 2454386 2007-10-12 2454390 2007-10-16 -4 SVO
44   2454605 2008-05-18 2454600 2008-05-13 5 AAVSO
45 9.5 2454820 2008-12-19 2454810 2008-12-09 10 SVO
46 9.2 2455029 2009-07-16 2455020 2009-07-07 9 AAVSO
47 8.9 2455237 2010-02-09 2455230 2010-02-02 7 SVO
48 9.2 2455447 2010-09-07 2455440 2010-08-31 7 SVO
49 8.8 2455654 2011-04-02 2455650 2011-03-29 4 AAVSO
50 8.8 2455867 2011-11-01 2455860 2011-10-25 7 SVO
51   2456081 2012-06-02 2456070 2012-05-22 11 AAVSO
52 8.6 2456285 2012-12-23 2456280 2012-12-18 5 SVO
53 8.9 2456495 2013-07-21 2456490 2013-07-16 5 AAVSO
54 8.8 2456717 2014-02-28 2456700 2014-02-11 17 AAVSO
55 9.4 2456924 2014-09-23 2456910 2014-09-09 14 SVO
56 8.7 2457133 2015-04-20 2457120 2015-04-07 13 SVO
57 8.9 2457342 2015-11-15 2457330 2015-11-03 12 SVO
58   2457549 2016-06-09 2457540 2016-05-31 9 AAVSO
59 8.4 2457753 2016-12-30 2457750 2016-12-27 3 SVO
60 9.4 2457971 2017-08-05 2457960 2017-07-25 11 SVO
61   2458185 2018-03-07 2458170 2018-02-20 15 SVO
62 8.4 2458378 2018-09-16 2458380 2018-09-18 -2 SVO
63   2458600 2019-04-26 2458590 2019-04-16 10 SVO
64 8.9 2458812 2019-11-24 2458800 2019-11-12 12 SVO
65   2459020 2020-06-19 2459010 2020-06-09 10 SVO
66 8.5 2459217 2021-01-02 2459220 2021-01-05 -3 SVO
67 9.1 2459435 2021-08-08 2459430 2021-08-03 5 SVO
68 8.8 2459637 2022-02-26 2459640 2022-03-01 -3 SVO
69 8.8 2459850 2022-09-27 2459850 2022-09-27 0 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.