Maxima for S Del
Period: 278.15, Epoch: 2444865.2
AAVSO offset: -7

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-158 8.8 2400976 1861-07-19 2400918 1861-05-22 58 SVO
-157   2401257 1862-04-26 2401196 1862-02-24 61 MNRAS, 1914, vol 74, p 568
-156   2401540 1863-02-03 2401474 1862-11-29 66 MNRAS, 1914, vol 74, p 568
-155 8.7 2401812 1863-11-02 2401752 1863-09-03 60 SVO
-154 8.8 2402105 1864-08-21 2402031 1864-06-08 74 SVO
-153   2402379 1865-05-22 2402309 1865-03-13 70 MNRAS, 1914, vol 74, p 568
-152   2402659 1866-02-26 2402587 1865-12-16 72 MNRAS, 1914, vol 74, p 568
-151 9.0 2402911 1866-11-05 2402865 1866-09-20 46 SVO
-150   2403196 1867-08-17 2403143 1867-06-25 53 AnHar, 1909, vol 55, p 95, MNRAS, 1914, vol 74, p 568
-149   2403470 1868-05-17 2403421 1868-03-29 49 VeBam, 1931, vol 3, p 1
-148   2403738 1869-02-09 2403700 1869-01-02 38 VeBam, 1931, vol 3, p 1
-147   2404019 1869-11-17 2403978 1869-10-07 41 AnHar, 1909, vol 55, p 95
-146 8.2 2404317 1870-09-11 2404256 1870-07-12 61 SVO
-145   2404585 1871-06-06 2404534 1871-04-16 51 GuL, 1920, 1.2
-144   2404875 1872-03-22 2404812 1872-01-19 63 GuL, 1920, 1.2
-141   2405657 1874-05-13 2405647 1874-05-03 10 AnHar, 1909, vol 55, p 95
-137   2406819 1877-07-18 2406759 1877-05-19 60 GuL, 1920, 1.2
-135   2407344 1878-12-25 2407315 1878-11-26 29 GuL, 1920, 1.2, MNRAS, 1914, vol 74, p 568
-134 8.9 2407638 1879-10-15 2407594 1879-09-01 44 SVO
-133 8.8 2407923 1880-07-26 2407872 1880-06-05 51 SVO
-132   2408196 1881-04-25 2408150 1881-03-10 46 MNRAS, 1914, vol 74, p 568, GuL, 1920, 1.2
-131   2408462 1882-01-16 2408428 1881-12-13 34 GuL, 1920, 1.2, MNRAS, 1914, vol 74, p 568
-129   2408985 1883-06-23 2408984 1883-06-22 1 GuL, 1920, 1.2
-127   2409566 1885-01-24 2409541 1884-12-30 25 MNRAS, 1914, vol 74, p 568
-126 8.7 2409834 1885-10-19 2409819 1885-10-04 15 SVO
-125   2410119 1886-07-31 2410097 1886-07-09 22 AnHar, 1909, vol 55, p 95, MNRAS, 1914, vol 74, p 568
-124   2410403 1887-05-11 2410375 1887-04-13 28 GuL, 1920, 1.2
-122   2410957 1888-11-15 2410931 1888-10-20 26 GuL, 1920, 1.2
-121   2411208 1889-07-24 2411209 1889-07-25 -1 AnHar, 1909, vol 55, p 95
-118   2412060 1891-11-23 2412044 1891-11-07 16 AnHar, 1909, vol 55, p 95
-117   2412349 1892-09-07 2412322 1892-08-11 27 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-116   2412623 1893-06-08 2412600 1893-05-16 23 GuL, 1920, 1.2
-115   2412912 1894-03-24 2412878 1894-02-18 34 GuL, 1920, 1.2
-114   2413190 1894-12-27 2413157 1894-11-24 33 GuL, 1920, 1.2
-113   2413443 1895-09-06 2413435 1895-08-29 8 AnHar, 1909, vol 55, p 95
-112   2413740 1896-06-29 2413713 1896-06-02 27 GuL, 1920, 1.2
-111   2414020 1897-04-05 2413991 1897-03-07 29 SVO
-110   2414271 1897-12-12 2414269 1897-12-10 2 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-109   2414577 1898-10-14 2414547 1898-09-14 30 GuL, 1920, 1.2
-108   2414839 1899-07-03 2414825 1899-06-19 14 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-107   2415127 1900-04-17 2415104 1900-03-25 23 AnHar, 1909, vol 55, p 95
-106   2415369 1900-12-15 2415382 1900-12-28 -13 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-105   2415670 1901-10-12 2415660 1901-10-02 10 AnHar, 1909, vol 55, p 95
-104   2415943 1902-07-12 2415938 1902-07-07 5 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-103   2416220 1903-04-15 2416216 1903-04-11 4 GuL, 1920, 1.2, AnHar, 1952, vol 118
-102   2416450 1903-12-01 2416494 1904-01-14 -44 AnHar, 1952, vol 118
-101 8.7 2416741 1904-09-17 2416772 1904-10-18 -31 AAVSO
-100 9.7 2417032 1905-07-05 2417051 1905-07-24 -19 AAVSO
-99 9.7 2417322 1906-04-21 2417329 1906-04-28 -7 AAVSO
-98   2417614 1907-02-07 2417607 1907-01-31 7 AAVSO
-97 9.3 2417876 1907-10-27 2417885 1907-11-05 -9 AAVSO
-96   2418151 1908-07-28 2418163 1908-08-09 -12 SVO
-95   2418401 1909-04-04 2418441 1909-05-14 -40 AAVSO
-94 9.1 2418676 1910-01-04 2418719 1910-02-16 -43 AAVSO
-93 9.0 2418963 1910-10-18 2418998 1910-11-22 -35 AAVSO
-92 9.0 2419243 1911-07-25 2419276 1911-08-27 -33 AAVSO
-91 9.3 2419518 1912-04-25 2419554 1912-05-31 -36 AAVSO
-90 8.8 2419782 1913-01-14 2419832 1913-03-05 -50 AAVSO
-89 8.7 2420060 1913-10-19 2420110 1913-12-08 -50 AAVSO
-88   2420327 1914-07-13 2420388 1914-09-12 -61 AAVSO
-87   2420618 1915-04-30 2420666 1915-06-17 -48 AAVSO
-86   2420894 1916-01-31 2420945 1916-03-22 -51 AAVSO
-85 9.0 2421184 1916-11-16 2421223 1916-12-25 -39 AAVSO
-84 8.9 2421475 1917-09-03 2421501 1917-09-29 -26 SVO
-83 8.9 2421726 1918-05-12 2421779 1918-07-04 -53 AAVSO
-82 9.1 2421992 1919-02-02 2422057 1919-04-08 -65 SVO
-81 8.9 2422266 1919-11-03 2422335 1920-01-11 -69 AAVSO
-80 8.6 2422554 1920-08-17 2422614 1920-10-16 -60 SVO
-79 9.0 2422804 1921-04-24 2422892 1921-07-21 -88 AAVSO
-78   2423106 1922-02-20 2423170 1922-04-25 -64 AAVSO
-77 8.9 2423384 1922-11-25 2423448 1923-01-28 -64 AAVSO
-76 8.9 2423662 1923-08-30 2423726 1923-11-02 -64 SVO
-75 8.8 2423941 1924-06-04 2424004 1924-08-06 -63 AAVSO
-74 9.0 2424223 1925-03-13 2424282 1925-05-11 -59 AAVSO
-73 9.1 2424481 1925-11-26 2424561 1926-02-14 -80 SVO
-72 9.1 2424802 1926-10-13 2424839 1926-11-19 -37 SVO
-71 9.0 2425083 1927-07-21 2425117 1927-08-24 -34 AAVSO
-70 8.6 2425363 1928-04-26 2425395 1928-05-28 -32 AAVSO
-69 9.4 2425625 1929-01-13 2425673 1929-03-02 -48 SVO
-68 9.0 2425904 1929-10-19 2425951 1929-12-05 -47 SVO
-67 8.9 2426191 1930-08-02 2426229 1930-09-09 -38 SVO
-66 8.8 2426466 1931-05-04 2426508 1931-06-15 -42 AAVSO
-65 8.6 2426747 1932-02-09 2426786 1932-03-19 -39 AAVSO
-64 8.7 2427026 1932-11-14 2427064 1932-12-22 -38 SVO
-63 9.0 2427316 1933-08-31 2427342 1933-09-26 -26 AAVSO
-62 9.4 2427617 1934-06-28 2427620 1934-07-01 -3 SVO
-61 8.9 2427884 1935-03-22 2427898 1935-04-05 -14 AAVSO
-60 8.8 2428152 1935-12-15 2428176 1936-01-08 -24 AAVSO
-59 9.0 2428441 1936-09-29 2428455 1936-10-13 -14 SVO
-58 9.0 2428735 1937-07-20 2428733 1937-07-18 2 SVO
-57 9.1 2428988 1938-03-30 2429011 1938-04-22 -23 SVO
-56 8.9 2429261 1938-12-28 2429289 1939-01-25 -28 AAVSO
-55 8.9 2429533 1939-09-26 2429567 1939-10-30 -34 SVO
-54 9.0 2429813 1940-07-02 2429845 1940-08-03 -32 SVO
-53 8.9 2430081 1941-03-27 2430123 1941-05-08 -42 SVO
-52 9.0 2430351 1941-12-22 2430402 1942-02-11 -51 SVO
-51 8.6 2430631 1942-09-28 2430680 1942-11-16 -49 SVO
-50 8.6 2430903 1943-06-27 2430958 1943-08-21 -55 SVO
-49 8.7 2431187 1944-04-06 2431236 1944-05-25 -49 AAVSO
-48 8.4 2431463 1945-01-07 2431514 1945-02-27 -51 AAVSO
-47 8.7 2431750 1945-10-21 2431792 1945-12-02 -42 AAVSO
-46 8.8 2432052 1946-08-19 2432070 1946-09-06 -18 SVO
-45 8.9 2432321 1947-05-15 2432349 1947-06-12 -28 AAVSO
-44 9.2 2432631 1948-03-20 2432627 1948-03-16 4 SVO
-43 8.7 2432890 1948-12-04 2432905 1948-12-19 -15 AAVSO
-42 8.7 2433166 1949-09-06 2433183 1949-09-23 -17 SVO
-41 8.9 2433454 1950-06-21 2433461 1950-06-28 -7 AAVSO
-40   2433737 1951-03-31 2433739 1951-04-02 -2 AAVSO
-39 9.2 2434013 1952-01-01 2434018 1952-01-06 -5 AAVSO
-38 9.0 2434268 1952-09-12 2434296 1952-10-10 -28 SVO
-37 9.3 2434565 1953-07-06 2434574 1953-07-15 -9 SVO
-36   2434841 1954-04-08 2434852 1954-04-19 -11 AAVSO
-35 9.0 2435106 1954-12-29 2435130 1955-01-22 -24 AAVSO
-34 8.8 2435370 1955-09-19 2435408 1955-10-27 -38 SVO
-33 9.1 2435651 1956-06-26 2435686 1956-07-31 -35 AAVSO
-32 8.8 2435934 1957-04-05 2435965 1957-05-06 -31 SVO
-31 8.8 2436204 1957-12-31 2436243 1958-02-08 -39 AAVSO
-30 8.8 2436480 1958-10-03 2436521 1958-11-13 -41 SVO
-29 9.0 2436768 1959-07-18 2436799 1959-08-18 -31 SVO
-28 9.6 2437049 1960-04-24 2437077 1960-05-22 -28 AAVSO
-27 9.2 2437325 1961-01-25 2437355 1961-02-24 -30 AAVSO
-26 9.0 2437601 1961-10-28 2437633 1961-11-29 -32 SVO
-25 8.9 2437905 1962-08-28 2437912 1962-09-04 -7 SVO
-24 9.3 2438203 1963-06-22 2438190 1963-06-09 13 SVO
-23 8.9 2438444 1964-02-18 2438468 1964-03-13 -24 SVO
-22 9.0 2438735 1964-12-05 2438746 1964-12-16 -11 AAVSO
-21 8.8 2439003 1965-08-30 2439024 1965-09-20 -21 SVO
-20 8.9 2439285 1966-06-08 2439302 1966-06-25 -17 SVO
-19 9.0 2439560 1967-03-10 2439580 1967-03-30 -20 SVO
-18 8.7 2439831 1967-12-06 2439859 1968-01-03 -28 SVO
-17 8.7 2440109 1968-09-09 2440137 1968-10-07 -28 SVO
-16 9.0 2440397 1969-06-24 2440415 1969-07-12 -18 SVO
-15 8.8 2440697 1970-04-20 2440693 1970-04-16 4 SVO
-14 9.0 2440953 1971-01-01 2440971 1971-01-19 -18 AAVSO
-13 9.0 2441243 1971-10-18 2441249 1971-10-24 -6 SVO
-12 8.6 2441514 1972-07-15 2441527 1972-07-28 -13 SVO
-11 8.8 2441789 1973-04-16 2441806 1973-05-03 -17 SVO
-10 8.9 2442069 1974-01-21 2442084 1974-02-05 -15 SVO
-9 8.8 2442338 1974-10-17 2442362 1974-11-10 -24 SVO
-8 8.7 2442617 1975-07-23 2442640 1975-08-15 -23 SVO
-7 8.7 2442904 1976-05-05 2442918 1976-05-19 -14 SVO
-6 8.7 2443186 1977-02-11 2443196 1977-02-21 -10 SVO
-5 9.0 2443461 1977-11-13 2443475 1977-11-27 -14 SVO
-4 9.1 2443770 1978-09-18 2443753 1978-09-01 17 SVO
-3 9.2 2444057 1979-07-02 2444031 1979-06-06 26 SVO
-2 8.8 2444331 1980-04-01 2444309 1980-03-10 22 SVO
-1 8.9 2444604 1980-12-30 2444587 1980-12-13 17 SVO
0 8.8 2444885 1981-10-07 2444865 1981-09-17 20 SVO
1 8.8 2445159 1982-07-08 2445143 1982-06-22 16 SVO
2 8.8 2445440 1983-04-15 2445422 1983-03-28 18 SVO
3 8.9 2445705 1984-01-05 2445700 1983-12-31 5 SVO
4 8.7 2445997 1984-10-23 2445978 1984-10-04 19 SVO
5 8.8 2446279 1985-08-01 2446256 1985-07-09 23 SVO
6 8.9 2446566 1986-05-15 2446534 1986-04-13 32 SVO
7 8.6 2446837 1987-02-10 2446812 1987-01-16 25 SVO
8 8.9 2447134 1987-12-04 2447090 1987-10-21 44 SVO
9 8.9 2447420 1988-09-15 2447369 1988-07-26 51 SVO
10 8.8 2447700 1989-06-22 2447647 1989-04-30 53 SVO
11 8.9 2447994 1990-04-12 2447925 1990-02-02 69 SVO
12 8.8 2448265 1991-01-08 2448203 1990-11-07 62 SVO
13 8.6 2448538 1991-10-08 2448481 1991-08-12 57 SVO
14 8.7 2448815 1992-07-11 2448759 1992-05-16 56 SVO
15 8.6 2449088 1993-04-10 2449037 1993-02-18 51 SVO
16 9.0 2449366 1994-01-13 2449316 1993-11-24 50 SVO
17 8.9 2449650 1994-10-24 2449594 1994-08-29 56 SVO
18 8.9 2449926 1995-07-27 2449872 1995-06-03 54 SVO
19 9.1 2450217 1996-05-13 2450150 1996-03-07 67 SVO
20 9.0 2450493 1997-02-13 2450428 1996-12-10 65 SVO
21 8.8 2450759 1997-11-06 2450706 1997-09-14 53 SVO
22 8.8 2451027 1998-08-01 2450984 1998-06-19 43 SVO
23 8.8 2451302 1999-05-03 2451263 1999-03-25 39 SVO
24 9.0 2451583 2000-02-08 2451541 1999-12-28 42 SVO
25 8.6 2451849 2000-10-31 2451819 2000-10-01 30 SVO
26 8.8 2452122 2001-07-31 2452097 2001-07-06 25 SVO
27 9.2 2452415 2002-05-20 2452375 2002-04-10 40 SVO
28 8.7 2452679 2003-02-08 2452653 2003-01-13 26 SVO
29 8.6 2452968 2003-11-24 2452932 2003-10-19 36 SVO
30 9.0 2453245 2004-08-27 2453210 2004-07-23 35 SVO
31 8.6 2453508 2005-05-17 2453488 2005-04-27 20 SVO
32 9.0 2453783 2006-02-16 2453766 2006-01-30 17 SVO
33 9.1 2454062 2006-11-22 2454044 2006-11-04 18 SVO
34 8.6 2454335 2007-08-22 2454322 2007-08-09 13 SVO
35 8.8 2454616 2008-05-29 2454600 2008-05-13 16 SVO
36 9.0 2454897 2009-03-06 2454879 2009-02-16 18 SVO
37 8.6 2455176 2009-12-10 2455157 2009-11-21 19 SVO
38 8.6 2455443 2010-09-03 2455435 2010-08-26 8 SVO
39 8.9 2455723 2011-06-10 2455713 2011-05-31 10 SVO
40 9.0 2455985 2012-02-27 2455991 2012-03-04 -6 SVO
41 8.9 2456268 2012-12-06 2456269 2012-12-07 -1 SVO
42 8.8 2456547 2013-09-11 2456547 2013-09-11 0 SVO
43 8.8 2456830 2014-06-21 2456826 2014-06-17 4 SVO
44 9.0 2457114 2015-04-01 2457104 2015-03-22 10 SVO
45 9.0 2457394 2016-01-06 2457382 2015-12-25 12 SVO
46 8.8 2457666 2016-10-04 2457660 2016-09-28 6 SVO
47 8.7 2457945 2017-07-10 2457938 2017-07-03 7 SVO
48 8.7 2458221 2018-04-12 2458216 2018-04-07 5 SVO
49 9.3 2458478 2018-12-25 2458494 2019-01-10 -16 SVO
50 8.9 2458782 2019-10-25 2458773 2019-10-16 9 SVO
51 8.8 2459059 2020-07-28 2459051 2020-07-20 8 SVO
52 8.8 2459334 2021-04-29 2459329 2021-04-24 5 SVO
53 8.6 2459579 2021-12-30 2459607 2022-01-27 -28 SVO
54 8.8 2459886 2022-11-02 2459885 2022-11-01 1 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.