Maxima for R Boo
Period: 223.50, Epoch: 2444526.5
AAVSO offset: 0

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-200   2399832 1858-06-01 2399827 1858-05-27 5 AnHar, 1909, vol 55, p 95
-198   2400297 1859-09-09 2400274 1859-08-17 23 AnHar, 1909, vol 55, p 95
-197   2400501 1860-03-31 2400497 1860-03-27 4 GuL, 1918, 1.1
-196   2400736 1860-11-21 2400721 1860-11-06 15 GuL, 1918, 1.1
-194   2401175 1862-02-03 2401168 1862-01-27 7 VeBam, 1931, vol 3, p 1
-193   2401403 1862-09-19 2401391 1862-09-07 12 VeBam, 1931, vol 3, p 1
-192   2401621 1863-04-25 2401615 1863-04-19 6 VeBam, 1931, vol 3, p 1
-191   2401850 1863-12-10 2401838 1863-11-28 12 GuL, 1918, 1.1
-190 7.2 2402063 1864-07-10 2402062 1864-07-09 1 SVO
-188   2402515 1865-10-05 2402509 1865-09-29 6 AnHar, 1909, vol 55, p 95
-187 7.5 2402738 1866-05-16 2402732 1866-05-10 6 SVO
-186 6.8 2402964 1866-12-28 2402956 1866-12-20 8 SVO
-185 7.1 2403187 1867-08-08 2403179 1867-07-31 8 SVO
-184   2403403 1868-03-11 2403403 1868-03-11 0 AnHar, 1909, vol 55, p 95
-183   2403638 1868-11-01 2403626 1868-10-20 12 VeBam, 1931, vol 3, p 1
-182 7.4 2403857 1869-06-08 2403850 1869-06-01 7 SVO
-181   2404075 1870-01-12 2404073 1870-01-10 2 AnHar, 1909, vol 55, p 95
-180 7.2 2404292 1870-08-17 2404297 1870-08-22 -5 SVO
-179 6.9 2404522 1871-04-04 2404520 1871-04-02 2 SVO
-178   2404750 1871-11-18 2404744 1871-11-12 6 VeBam, 1931, vol 3, p 1
-177 7.3 2404974 1872-06-29 2404967 1872-06-22 7 SVO
-176   2405186 1873-01-27 2405191 1873-02-01 -5 AnHar, 1909, vol 55, p 95
-175 7.4 2405418 1873-09-16 2405414 1873-09-12 4 SVO
-174 7.4 2405643 1874-04-29 2405638 1874-04-24 5 SVO
-172   2406094 1875-07-24 2406085 1875-07-15 9 AnHar, 1909, vol 55, p 95
-171   2406320 1876-03-06 2406308 1876-02-23 12 AnHar, 1909, vol 55, p 95
-170   2406549 1876-10-21 2406532 1876-10-04 17 GuL, 1918, 1.1
-169   2406776 1877-06-05 2406755 1877-05-15 21 GuL, 1918, 1.1
-168   2407000 1878-01-15 2406979 1877-12-25 21 AnHar, 1909, vol 55, p 95
-167 7.6 2407218 1878-08-21 2407202 1878-08-05 16 SVO
-166   2407444 1879-04-04 2407426 1879-03-17 18 AnHar, 1909, vol 55, p 95
-164 7.1 2407886 1880-06-19 2407873 1880-06-06 13 SVO
-163   2408110 1881-01-29 2408096 1881-01-15 14 GuL, 1918, 1.1
-162   2408332 1881-09-08 2408320 1881-08-27 12 AnHar, 1909, vol 55, p 95
-161   2408564 1882-04-28 2408543 1882-04-07 21 AnHar, 1909, vol 55, p 95
-160   2408777 1882-11-27 2408767 1882-11-17 10 AnHar, 1909, vol 55, p 95
-159   2409001 1883-07-09 2408990 1883-06-28 11 AnHar, 1909, vol 55, p 95
-158   2409227 1884-02-20 2409214 1884-02-07 13 GuL, 1918, 1.1
-157   2409455 1884-10-05 2409437 1884-09-17 18 AnHar, 1909, vol 55, p 95
-156 7.9 2409675 1885-05-13 2409661 1885-04-29 14 SVO
-149   2411235 1889-08-20 2411225 1889-08-10 10 AnHar, 1909, vol 55, p 95
-148   2411457 1890-03-30 2411449 1890-03-22 8 GuL, 1918, 1.1
-144   2412347 1892-09-05 2412343 1892-09-01 4 GuL, 1918, 1.1
-143   2412556 1893-04-02 2412566 1893-04-12 -10 GuL, 1918, 1.1
-142   2412785 1893-11-17 2412790 1893-11-22 -5 GuL, 1918, 1.1
-141   2413010 1894-06-30 2413013 1894-07-03 -3 AnHar, 1909, vol 55, p 95
-139   2413459 1895-09-22 2413460 1895-09-23 -1 AnHar, 1909, vol 55, p 95
-138   2413686 1896-05-06 2413684 1896-05-04 2 AnHar, 1909, vol 55, p 95
-136 7.9 2414127 1897-07-21 2414131 1897-07-25 -4 SVO
-135   2414345 1898-02-24 2414354 1898-03-05 -9 AnHar, 1909, vol 55, p 95
-133 7.2 2414804 1899-05-29 2414801 1899-05-26 3 SVO
-131   2415243 1900-08-11 2415248 1900-08-16 -5 AnHar, 1909, vol 55, p 95
-130 6.6 2415461 1901-03-17 2415472 1901-03-28 -11 SVO
-128 7.8 2415926 1902-06-25 2415919 1902-06-18 7 SVO
-127   2416145 1903-01-30 2416142 1903-01-27 3 AnHar, 1909, vol 55, p 95
-126   2416375 1903-09-17 2416366 1903-09-08 9 AnHar, 1909, vol 55, p 95
-125   2416590 1904-04-19 2416589 1904-04-18 1 AnHar, 1909, vol 55, p 95
-124   2416804 1904-11-19 2416813 1904-11-28 -9 AnHar, 1909, vol 55, p 95
-123 6.6 2417036 1905-07-09 2417036 1905-07-09 0 AAVSO
-122 7.6 2417262 1906-02-20 2417260 1906-02-18 2 SVO
-121 6.9 2417487 1906-10-03 2417483 1906-09-29 4 SVO
-120 7.7 2417714 1907-05-18 2417707 1907-05-11 7 SVO
-119 7.2 2417933 1907-12-23 2417930 1907-12-20 3 SVO
-118 7.0 2418156 1908-08-02 2418154 1908-07-31 2 SVO
-117 7.2 2418381 1909-03-15 2418377 1909-03-11 4 SVO
-116 7.5 2418606 1909-10-26 2418601 1909-10-21 5 SVO
-115 7.1 2418831 1910-06-08 2418824 1910-06-01 7 SVO
-114 6.7 2419038 1911-01-01 2419048 1911-01-11 -10 AAVSO
-113 7.7 2419266 1911-08-17 2419271 1911-08-22 -5 SVO
-112 7.5 2419486 1912-03-24 2419495 1912-04-02 -9 SVO
-111 7.1 2419708 1912-11-01 2419718 1912-11-11 -10 SVO
-110 7.7 2419931 1913-06-12 2419942 1913-06-23 -11 SVO
-109 7.2 2420151 1914-01-18 2420165 1914-02-01 -14 SVO
-108 7.6 2420375 1914-08-30 2420389 1914-09-13 -14 SVO
-107 6.8 2420597 1915-04-09 2420612 1915-04-24 -15 SVO
-106 6.9 2420816 1915-11-14 2420836 1915-12-04 -20 SVO
-105 7.1 2421041 1916-06-26 2421059 1916-07-14 -18 SVO
-104 7.1 2421272 1917-02-12 2421283 1917-02-23 -11 SVO
-103 6.9 2421481 1917-09-09 2421506 1917-10-04 -25 SVO
-102 7.5 2421709 1918-04-25 2421730 1918-05-16 -21 SVO
-101 7.3 2421933 1918-12-05 2421953 1918-12-25 -20 SVO
-100 7.4 2422155 1919-07-15 2422177 1919-08-06 -22 SVO
-99 6.9 2422379 1920-02-24 2422400 1920-03-16 -21 SVO
-98 7.4 2422601 1920-10-03 2422624 1920-10-26 -23 SVO
-97 6.9 2422823 1921-05-13 2422847 1921-06-06 -24 SVO
-96 7.2 2423047 1921-12-23 2423071 1922-01-16 -24 SVO
-95 7.0 2423275 1922-08-08 2423294 1922-08-27 -19 SVO
-94 7.1 2423490 1923-03-11 2423518 1923-04-08 -28 SVO
-93 7.0 2423710 1923-10-17 2423741 1923-11-17 -31 SVO
-92 7.1 2423939 1924-06-02 2423965 1924-06-28 -26 SVO
-91 7.7 2424162 1925-01-11 2424188 1925-02-06 -26 SVO
-90 6.9 2424382 1925-08-19 2424412 1925-09-18 -30 SVO
-89 7.7 2424612 1926-04-06 2424635 1926-04-29 -23 SVO
-88 7.2 2424841 1926-11-21 2424859 1926-12-09 -18 SVO
-87 7.1 2425061 1927-06-29 2425082 1927-07-20 -21 SVO
-86 7.1 2425286 1928-02-09 2425306 1928-02-29 -20 SVO
-85 6.9 2425506 1928-09-16 2425529 1928-10-09 -23 SVO
-84 7.5 2425737 1929-05-05 2425753 1929-05-21 -16 SVO
-83 7.5 2425966 1929-12-20 2425976 1929-12-30 -10 SVO
-82 7.5 2426195 1930-08-06 2426200 1930-08-11 -5 SVO
-81 7.4 2426426 1931-03-25 2426423 1931-03-22 3 SVO
-80 6.7 2426641 1931-10-26 2426647 1931-11-01 -6 SVO
-79 7.5 2426866 1932-06-07 2426870 1932-06-11 -4 SVO
-78 7.1 2427089 1933-01-16 2427094 1933-01-21 -5 SVO
-77 7.6 2427318 1933-09-02 2427317 1933-09-01 1 SVO
-76 7.4 2427545 1934-04-17 2427541 1934-04-13 4 SVO
-75 6.9 2427770 1934-11-28 2427764 1934-11-22 6 SVO
-74 7.5 2427992 1935-07-08 2427988 1935-07-04 4 SVO
-73 7.1 2428216 1936-02-17 2428211 1936-02-12 5 SVO
-72 7.7 2428449 1936-10-07 2428435 1936-09-23 14 SVO
-71 7.2 2428671 1937-05-17 2428658 1937-05-04 13 SVO
-70 7.2 2428891 1937-12-23 2428882 1937-12-14 9 SVO
-69 7.0 2429111 1938-07-31 2429105 1938-07-25 6 SVO
-68 7.1 2429336 1939-03-13 2429329 1939-03-06 7 SVO
-67 7.1 2429553 1939-10-16 2429552 1939-10-15 1 SVO
-66 7.3 2429780 1940-05-30 2429776 1940-05-26 4 SVO
-65 7.3 2430009 1941-01-14 2429999 1941-01-04 10 SVO
-64 7.0 2430229 1941-08-22 2430223 1941-08-16 6 SVO
-63 7.0 2430447 1942-03-28 2430446 1942-03-27 1 SVO
-62 7.2 2430671 1942-11-07 2430670 1942-11-06 1 AAVSO
-61 6.9 2430892 1943-06-16 2430893 1943-06-17 -1 SVO
-60 7.7 2431120 1944-01-30 2431117 1944-01-27 3 SVO
-59 7.4 2431350 1944-09-16 2431340 1944-09-06 10 SVO
-58 6.9 2431567 1945-04-21 2431564 1945-04-18 3 SVO
-57 7.1 2431780 1945-11-20 2431787 1945-11-27 -7 SVO
-56 7.0 2432009 1946-07-07 2432011 1946-07-09 -2 SVO
-55 7.2 2432228 1947-02-11 2432234 1947-02-17 -6 SVO
-54 7.0 2432442 1947-09-13 2432458 1947-09-29 -16 SVO
-53 7.3 2432672 1948-04-30 2432681 1948-05-09 -9 SVO
-52 7.4 2432893 1948-12-07 2432905 1948-12-19 -12 SVO
-51 7.2 2433116 1949-07-18 2433128 1949-07-30 -12 SVO
-50 7.3 2433340 1950-02-27 2433352 1950-03-11 -12 SVO
-49 6.8 2433566 1950-10-11 2433575 1950-10-20 -9 SVO
-48 7.5 2433795 1951-05-28 2433799 1951-06-01 -4 SVO
-47 6.7 2434014 1952-01-02 2434022 1952-01-10 -8 SVO
-46 7.4 2434236 1952-08-11 2434246 1952-08-21 -10 SVO
-45 7.2 2434462 1953-03-25 2434469 1953-04-01 -7 SVO
-44 7.0 2434686 1953-11-04 2434693 1953-11-11 -7 SVO
-43 7.4 2434918 1954-06-24 2434916 1954-06-22 2 SVO
-42 7.2 2435150 1955-02-11 2435140 1955-02-01 10 SVO
-41 7.0 2435364 1955-09-13 2435363 1955-09-12 1 SVO
-40 6.9 2435584 1956-04-20 2435587 1956-04-23 -3 SVO
-39 7.3 2435813 1956-12-05 2435810 1956-12-02 3 SVO
-38 7.2 2436035 1957-07-15 2436034 1957-07-14 1 SVO
-37 7.2 2436253 1958-02-18 2436257 1958-02-22 -4 SVO
-36 7.0 2436477 1958-09-30 2436481 1958-10-04 -4 SVO
-35 7.8 2436706 1959-05-17 2436704 1959-05-15 2 SVO
-34 7.4 2436933 1959-12-30 2436928 1959-12-25 5 SVO
-33 7.0 2437153 1960-08-06 2437151 1960-08-04 2 SVO
-32 7.0 2437374 1961-03-15 2437375 1961-03-16 -1 SVO
-31 7.2 2437588 1961-10-15 2437598 1961-10-25 -10 SVO
-30 7.0 2437815 1962-05-30 2437822 1962-06-06 -7 SVO
-29 7.5 2438045 1963-01-15 2438045 1963-01-15 0 SVO
-28 7.4 2438272 1963-08-30 2438269 1963-08-27 3 SVO
-27 7.0 2438495 1964-04-09 2438492 1964-04-06 3 SVO
-26 7.2 2438715 1964-11-15 2438716 1964-11-16 -1 SVO
-25 7.2 2438941 1965-06-29 2438939 1965-06-27 2 SVO
-24 7.5 2439171 1966-02-14 2439163 1966-02-06 8 SVO
-23 6.8 2439386 1966-09-17 2439386 1966-09-17 0 SVO
-22 7.1 2439609 1967-04-28 2439610 1967-04-29 -1 SVO
-21 7.3 2439836 1967-12-11 2439833 1967-12-08 3 SVO
-20 6.9 2440062 1968-07-24 2440057 1968-07-19 5 SVO
-19 7.2 2440287 1969-03-06 2440280 1969-02-27 7 SVO
-18 7.3 2440515 1969-10-20 2440504 1969-10-09 11 SVO
-17 6.7 2440730 1970-05-23 2440727 1970-05-20 3 SVO
-16 7.5 2440957 1971-01-05 2440951 1970-12-30 6 SVO
-15 7.1 2441178 1971-08-14 2441174 1971-08-10 4 SVO
-14 8.1 2441408 1972-03-31 2441398 1972-03-21 10 SVO
-13 7.2 2441629 1972-11-07 2441621 1972-10-30 8 SVO
-12 7.5 2441854 1973-06-20 2441845 1973-06-11 9 SVO
-11 7.0 2442075 1974-01-27 2442068 1974-01-20 7 SVO
-10 7.4 2442297 1974-09-06 2442292 1974-09-01 5 SVO
-9 7.0 2442514 1975-04-11 2442515 1975-04-12 -1 SVO
-8 7.6 2442739 1975-11-22 2442738 1975-11-21 1 SVO
-7 7.4 2442964 1976-07-04 2442962 1976-07-02 2 SVO
-6 7.6 2443189 1977-02-14 2443185 1977-02-10 4 SVO
-5 7.0 2443411 1977-09-24 2443409 1977-09-22 2 SVO
-4 7.3 2443629 1978-04-30 2443632 1978-05-03 -3 SVO
-3 7.5 2443853 1978-12-10 2443856 1978-12-13 -3 SVO
-2 7.1 2444073 1979-07-18 2444079 1979-07-24 -6 SVO
-1 7.4 2444299 1980-02-29 2444303 1980-03-04 -4 SVO
0 7.2 2444522 1980-10-09 2444526 1980-10-13 -4 SVO
1 7.1 2444737 1981-05-12 2444750 1981-05-25 -13 SVO
2 7.0 2444965 1981-12-26 2444973 1982-01-03 -8 SVO
3 6.9 2445186 1982-08-04 2445197 1982-08-15 -11 SVO
4 7.4 2445418 1983-03-24 2445420 1983-03-26 -2 SVO
5 7.8 2445642 1983-11-03 2445644 1983-11-05 -2 SVO
6 6.9 2445861 1984-06-09 2445867 1984-06-15 -6 SVO
7 7.4 2446082 1985-01-16 2446091 1985-01-25 -9 SVO
8 7.3 2446313 1985-09-04 2446314 1985-09-05 -1 SVO
9 7.2 2446530 1986-04-09 2446538 1986-04-17 -8 SVO
10 7.3 2446749 1986-11-14 2446761 1986-11-26 -12 SVO
11 7.3 2446973 1987-06-26 2446985 1987-07-08 -12 SVO
12 6.9 2447196 1988-02-04 2447208 1988-02-16 -12 SVO
13 7.8 2447425 1988-09-20 2447432 1988-09-27 -7 SVO
14 7.0 2447642 1989-04-25 2447655 1989-05-08 -13 SVO
15 7.4 2447870 1989-12-09 2447879 1989-12-18 -9 SVO
16 7.1 2448088 1990-07-15 2448102 1990-07-29 -14 SVO
17 7.4 2448313 1991-02-25 2448326 1991-03-10 -13 SVO
18 7.3 2448544 1991-10-14 2448549 1991-10-19 -5 SVO
19 7.3 2448766 1992-05-23 2448773 1992-05-30 -7 SVO
20 7.4 2448996 1993-01-08 2448996 1993-01-08 0 SVO
21 7.5 2449223 1993-08-23 2449220 1993-08-20 3 SVO
22 6.8 2449440 1994-03-28 2449443 1994-03-31 -3 SVO
23 7.4 2449665 1994-11-08 2449667 1994-11-10 -2 SVO
24 7.1 2449894 1995-06-25 2449890 1995-06-21 4 SVO
25 8.1 2450121 1996-02-07 2450114 1996-01-31 7 SVO
26 7.3 2450346 1996-09-19 2450337 1996-09-10 9 SVO
27 7.5 2450575 1997-05-06 2450561 1997-04-22 14 SVO
28 6.9 2450794 1997-12-11 2450784 1997-12-01 10 SVO
29 7.2 2451014 1998-07-19 2451008 1998-07-13 6 SVO
30 7.3 2451234 1999-02-24 2451231 1999-02-21 3 SVO
31 7.0 2451458 1999-10-06 2451455 1999-10-03 3 SVO
32 7.7 2451689 2000-05-24 2451678 2000-05-13 11 SVO
33 7.2 2451913 2001-01-03 2451902 2000-12-23 11 SVO
34 7.0 2452132 2001-08-10 2452125 2001-08-03 7 SVO
35 7.5 2452355 2002-03-21 2452349 2002-03-15 6 SVO
36 7.5 2452585 2002-11-06 2452572 2002-10-24 13 SVO
37 6.8 2452805 2003-06-14 2452796 2003-06-05 9 SVO
38 7.2 2453023 2004-01-18 2453019 2004-01-14 4 SVO
39 7.1 2453247 2004-08-29 2453243 2004-08-25 4 SVO
40 7.2 2453464 2005-04-03 2453466 2005-04-05 -2 SVO
41 7.3 2453693 2005-11-18 2453690 2005-11-15 3 SVO
42 7.2 2453918 2006-07-01 2453913 2006-06-26 5 SVO
43 7.3 2454138 2007-02-06 2454137 2007-02-05 1 SVO
44 7.1 2454363 2007-09-19 2454360 2007-09-16 3 SVO
45 7.5 2454588 2008-05-01 2454584 2008-04-27 4 SVO
46 6.9 2454810 2008-12-09 2454807 2008-12-06 3 SVO
47 7.5 2455038 2009-07-25 2455031 2009-07-18 7 SVO
48 7.3 2455263 2010-03-07 2455254 2010-02-26 9 SVO
49 7.3 2455486 2010-10-16 2455478 2010-10-08 8 SVO
50 6.9 2455707 2011-05-25 2455701 2011-05-19 6 SVO
51 7.1 2455933 2012-01-06 2455925 2011-12-29 8 SVO
52 7.6 2456160 2012-08-20 2456148 2012-08-08 12 SVO
53 7.3 2456382 2013-03-30 2456372 2013-03-20 10 SVO
54 7.4 2456615 2013-11-18 2456595 2013-10-29 20 SVO
55 7.0 2456834 2014-06-25 2456819 2014-06-10 15 SVO
56 6.9 2457054 2015-01-31 2457042 2015-01-19 12 SVO
57 7.5 2457282 2015-09-16 2457266 2015-08-31 16 SVO
58 6.8 2457498 2016-04-19 2457489 2016-04-10 9 SVO
59 7.4 2457723 2016-11-30 2457713 2016-11-20 10 SVO
60 7.5 2457948 2017-07-13 2457936 2017-07-01 12 SVO
61 7.2 2458171 2018-02-21 2458160 2018-02-10 11 SVO
62 7.6 2458400 2018-10-08 2458383 2018-09-21 17 SVO
63 7.1 2458620 2019-05-16 2458607 2019-05-03 13 SVO
64 7.3 2458845 2019-12-27 2458830 2019-12-12 15 SVO
65 7.3 2459070 2020-08-08 2459054 2020-07-23 16 SVO
66 7.0 2459290 2021-03-16 2459277 2021-03-03 13 SVO
67 7.0 2459508 2021-10-20 2459501 2021-10-13 7 SVO
68 8.1 2459738 2022-06-07 2459724 2022-05-24 14 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.