| E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
| -132 | 2422356 | 1920-02-01 | 2422347 | 1920-01-23 | 9 | GuL, 1922, 1.3 | |
| -131 | 2422504 | 1920-06-28 | 2422516 | 1920-07-10 | -12 | AN, 1922, vol 215, p 273 | |
| -130 | 2422676 | 1920-12-17 | 2422685 | 1920-12-26 | -9 | AN, 1922, vol 215, p 273 | |
| -129 | 2422847 | 1921-06-06 | 2422854 | 1921-06-13 | -7 | AN, 1922, vol 215, p 273 | |
| -120 | 2424380 | 1925-08-17 | 2424377 | 1925-08-14 | 3 | SVO | |
| -119 | 9.7 | 2424546 | 1926-01-30 | 2424546 | 1926-01-30 | 0 | SVO |
| -117 | 2424880 | 1926-12-30 | 2424885 | 1927-01-04 | -5 | SVO | |
| -115 | 2425220 | 1927-12-05 | 2425223 | 1927-12-08 | -3 | SVO | |
| -112 | 2425760 | 1929-05-28 | 2425731 | 1929-04-29 | 29 | AN, 1936, vol 259, p 101 | |
| -111 | 9.4 | 2425903 | 1929-10-18 | 2425900 | 1929-10-15 | 3 | SVO |
| -110 | 9.5 | 2426065 | 1930-03-29 | 2426069 | 1930-04-02 | -4 | SVO |
| -109 | 9.7 | 2426237 | 1930-09-17 | 2426238 | 1930-09-18 | -1 | SVO |
| -106 | 2426745 | 1932-02-07 | 2426746 | 1932-02-08 | -1 | GuL, 1957, 2.4 | |
| -105 | 2426933 | 1932-08-13 | 2426915 | 1932-07-26 | 18 | AN, 1936, vol 259, p 101, GuL, 1957, 2.4 | |
| -104 | 10.0 | 2427091 | 1933-01-18 | 2427084 | 1933-01-11 | 7 | SVO |
| -103 | 2427250 | 1933-06-26 | 2427254 | 1933-06-30 | -4 | AN, 1936, vol 259, p 101 | |
| -102 | 2427429 | 1933-12-22 | 2427423 | 1933-12-16 | 6 | GuL, 1957, 2.4 | |
| -101 | 2427595 | 1934-06-06 | 2427592 | 1934-06-03 | 3 | AN, 1936, vol 259, p 101 | |
| -100 | 2427765 | 1934-11-23 | 2427761 | 1934-11-19 | 4 | AN, 1936, vol 259, p 101 | |
| -99 | 2427940 | 1935-05-17 | 2427930 | 1935-05-07 | 10 | AN, 1936, vol 259, p 101 | |
| -98 | 2428108 | 1935-11-01 | 2428100 | 1935-10-24 | 8 | AN, 1936, vol 259, p 101 | |
| -97 | 2428272 | 1936-04-13 | 2428269 | 1936-04-10 | 3 | AN, 1948, vol 276, p 11 | |
| -96 | 2428430 | 1936-09-18 | 2428438 | 1936-09-26 | -8 | AN, 1948, vol 276, p 11 | |
| -22 | 2440965 | 1971-01-13 | 2440959 | 1971-01-07 | 6 | SVO | |
| -20 | 9.8 | 2441292 | 1971-12-06 | 2441297 | 1971-12-11 | -5 | SVO |
| -19 | 2441470 | 1972-06-01 | 2441466 | 1972-05-28 | 4 | SVO | |
| -18 | 9.9 | 2441635 | 1972-11-13 | 2441636 | 1972-11-14 | -1 | SVO |
| -17 | 2441810 | 1973-05-07 | 2441805 | 1973-05-02 | 5 | SVO | |
| -16 | 10.4 | 2441974 | 1973-10-18 | 2441974 | 1973-10-18 | 0 | SVO |
| -15 | 9.7 | 2442140 | 1974-04-02 | 2442143 | 1974-04-05 | -3 | SVO |
| -14 | 9.7 | 2442304 | 1974-09-13 | 2442312 | 1974-09-21 | -8 | SVO |
| -13 | 9.9 | 2442475 | 1975-03-03 | 2442482 | 1975-03-10 | -7 | SVO |
| -12 | 10.9 | 2442653 | 1975-08-28 | 2442651 | 1975-08-26 | 2 | SVO |
| -11 | 9.9 | 2442817 | 1976-02-08 | 2442820 | 1976-02-11 | -3 | SVO |
| -10 | 9.8 | 2442986 | 1976-07-26 | 2442989 | 1976-07-29 | -3 | SVO |
| -9 | 9.6 | 2443151 | 1977-01-07 | 2443158 | 1977-01-14 | -7 | SVO |
| -8 | 10.3 | 2443328 | 1977-07-03 | 2443328 | 1977-07-03 | 0 | SVO |
| -7 | 9.8 | 2443488 | 1977-12-10 | 2443497 | 1977-12-19 | -9 | SVO |
| -6 | 10.3 | 2443662 | 1978-06-02 | 2443666 | 1978-06-06 | -4 | SVO |
| -5 | 10.3 | 2443834 | 1978-11-21 | 2443835 | 1978-11-22 | -1 | SVO |
| -4 | 9.7 | 2443994 | 1979-04-30 | 2444004 | 1979-05-10 | -10 | SVO |
| -3 | 10.4 | 2444169 | 1979-10-22 | 2444174 | 1979-10-27 | -5 | SVO |
| -2 | 9.8 | 2444327 | 1980-03-28 | 2444343 | 1980-04-13 | -16 | SVO |
| -1 | 10.4 | 2444502 | 1980-09-19 | 2444512 | 1980-09-29 | -10 | SVO |
| 0 | 10.1 | 2444675 | 1981-03-11 | 2444681 | 1981-03-17 | -6 | SVO |
| 1 | 9.7 | 2444834 | 1981-08-17 | 2444850 | 1981-09-02 | -16 | SVO |
| 2 | 10.4 | 2445004 | 1982-02-03 | 2445020 | 1982-02-19 | -16 | SVO |
| 3 | 9.9 | 2445182 | 1982-07-31 | 2445189 | 1982-08-07 | -7 | SVO |
| 4 | 9.6 | 2445348 | 1983-01-13 | 2445358 | 1983-01-23 | -10 | SVO |
| 5 | 2445515 | 1983-06-29 | 2445527 | 1983-07-11 | -12 | SVO | |
| 6 | 9.7 | 2445689 | 1983-12-20 | 2445696 | 1983-12-27 | -7 | SVO |
| 7 | 10.1 | 2445861 | 1984-06-09 | 2445866 | 1984-06-14 | -5 | SVO |
| 8 | 9.7 | 2446030 | 1984-11-25 | 2446035 | 1984-11-30 | -5 | SVO |
| 9 | 9.9 | 2446199 | 1985-05-13 | 2446204 | 1985-05-18 | -5 | SVO |
| 10 | 11.3 | 2446383 | 1985-11-13 | 2446373 | 1985-11-03 | 10 | SVO |
| 11 | 10.5 | 2446541 | 1986-04-20 | 2446542 | 1986-04-21 | -1 | SVO |
| 12 | 9.9 | 2446708 | 1986-10-04 | 2446712 | 1986-10-08 | -4 | SVO |
| 13 | 2446881 | 1987-03-26 | 2446881 | 1987-03-26 | 0 | AFOEV | |
| 14 | 9.9 | 2447054 | 1987-09-15 | 2447050 | 1987-09-11 | 4 | SVO |
| 15 | 9.9 | 2447224 | 1988-03-03 | 2447219 | 1988-02-27 | 5 | SVO |
| 16 | 9.6 | 2447384 | 1988-08-10 | 2447388 | 1988-08-14 | -4 | SVO |
| 17 | 10.0 | 2447558 | 1989-01-31 | 2447558 | 1989-01-31 | 0 | SVO |
| 18 | 10.2 | 2447733 | 1989-07-25 | 2447727 | 1989-07-19 | 6 | SVO |
| 19 | 10.1 | 2447896 | 1990-01-04 | 2447896 | 1990-01-04 | 0 | SVO |
| 20 | 10.1 | 2448068 | 1990-06-25 | 2448065 | 1990-06-22 | 3 | SVO |
| 21 | 9.7 | 2448235 | 1990-12-09 | 2448234 | 1990-12-08 | 1 | SVO |
| 22 | 10.2 | 2448407 | 1991-05-30 | 2448404 | 1991-05-27 | 3 | SVO |
| 23 | 9.9 | 2448579 | 1991-11-18 | 2448573 | 1991-11-12 | 6 | SVO |
| 24 | 9.9 | 2448748 | 1992-05-05 | 2448742 | 1992-04-29 | 6 | SVO |
| 25 | 9.7 | 2448908 | 1992-10-12 | 2448911 | 1992-10-15 | -3 | SVO |
| 26 | 10.1 | 2449081 | 1993-04-03 | 2449080 | 1993-04-02 | 1 | SVO |
| 27 | 9.8 | 2449254 | 1993-09-23 | 2449250 | 1993-09-19 | 4 | SVO |
| 28 | 10.2 | 2449428 | 1994-03-16 | 2449419 | 1994-03-07 | 9 | SVO |
| 29 | 9.5 | 2449587 | 1994-08-22 | 2449588 | 1994-08-23 | -1 | SVO |
| 30 | 10.4 | 2449766 | 1995-02-17 | 2449757 | 1995-02-08 | 9 | SVO |
| 31 | 9.7 | 2449933 | 1995-08-03 | 2449926 | 1995-07-27 | 7 | SVO |
| 32 | 9.9 | 2450101 | 1996-01-18 | 2450096 | 1996-01-13 | 5 | SVO |
| 33 | 9.9 | 2450273 | 1996-07-08 | 2450265 | 1996-06-30 | 8 | SVO |
| 34 | 10.2 | 2450441 | 1996-12-23 | 2450434 | 1996-12-16 | 7 | SVO |
| 35 | 10.0 | 2450611 | 1997-06-11 | 2450603 | 1997-06-03 | 8 | SVO |
| 36 | 9.6 | 2450771 | 1997-11-18 | 2450772 | 1997-11-19 | -1 | SVO |
| 37 | 10.0 | 2450947 | 1998-05-13 | 2450942 | 1998-05-08 | 5 | SVO |
| 38 | 10.0 | 2451115 | 1998-10-28 | 2451111 | 1998-10-24 | 4 | SVO |
| 39 | 9.8 | 2451284 | 1999-04-15 | 2451280 | 1999-04-11 | 4 | SVO |
| 40 | 9.7 | 2451449 | 1999-09-27 | 2451449 | 1999-09-27 | 0 | SVO |
| 41 | 9.9 | 2451622 | 2000-03-18 | 2451618 | 2000-03-14 | 4 | SVO |
| 42 | 9.7 | 2451786 | 2000-08-29 | 2451788 | 2000-08-31 | -2 | SVO |
| 43 | 10.0 | 2451961 | 2001-02-20 | 2451957 | 2001-02-16 | 4 | SVO |
| 44 | 10.2 | 2452135 | 2001-08-13 | 2452126 | 2001-08-04 | 9 | SVO |
| 45 | 9.7 | 2452308 | 2002-02-02 | 2452295 | 2002-01-20 | 13 | SVO |
| 46 | 10.0 | 2452478 | 2002-07-22 | 2452464 | 2002-07-08 | 14 | SVO |
| 47 | 9.9 | 2452643 | 2003-01-03 | 2452634 | 2002-12-25 | 9 | SVO |
| 48 | 9.9 | 2452803 | 2003-06-12 | 2452803 | 2003-06-12 | 0 | SVO |
| 49 | 10.1 | 2452975 | 2003-12-01 | 2452972 | 2003-11-28 | 3 | SVO |
| 50 | 9.8 | 2453143 | 2004-05-17 | 2453141 | 2004-05-15 | 2 | SVO |
| 51 | 10.6 | 2453323 | 2004-11-13 | 2453310 | 2004-10-31 | 13 | SVO |
| 52 | 9.9 | 2453480 | 2005-04-19 | 2453480 | 2005-04-19 | 0 | SVO |
| 53 | 10.1 | 2453651 | 2005-10-07 | 2453649 | 2005-10-05 | 2 | SVO |
| 54 | 2453813 | 2006-03-18 | 2453818 | 2006-03-23 | -5 | AFOEV | |
| 55 | 10.6 | 2453987 | 2006-09-08 | 2453987 | 2006-09-08 | 0 | SVO |
| 56 | 9.8 | 2454149 | 2007-02-17 | 2454156 | 2007-02-24 | -7 | SVO |
| 57 | 9.9 | 2454316 | 2007-08-03 | 2454326 | 2007-08-13 | -10 | SVO |
| 58 | 10.3 | 2454492 | 2008-01-26 | 2454495 | 2008-01-29 | -3 | SVO |
| 59 | 9.8 | 2454653 | 2008-07-05 | 2454664 | 2008-07-16 | -11 | SVO |
| 60 | 10.3 | 2454832 | 2008-12-31 | 2454833 | 2009-01-01 | -1 | SVO |
| 61 | 9.6 | 2454987 | 2009-06-04 | 2455002 | 2009-06-19 | -15 | SVO |
| 62 | 9.9 | 2455161 | 2009-11-25 | 2455172 | 2009-12-06 | -11 | SVO |
| 63 | 9.8 | 2455329 | 2010-05-12 | 2455341 | 2010-05-24 | -12 | SVO |
| 64 | 9.9 | 2455500 | 2010-10-30 | 2455510 | 2010-11-09 | -10 | SVO |
| 65 | 9.9 | 2455669 | 2011-04-17 | 2455679 | 2011-04-27 | -10 | SVO |
| 66 | 9.6 | 2455838 | 2011-10-03 | 2455848 | 2011-10-13 | -10 | SVO |
| 67 | 10.1 | 2456010 | 2012-03-23 | 2456018 | 2012-03-31 | -8 | SVO |
| 68 | 10.4 | 2456187 | 2012-09-16 | 2456187 | 2012-09-16 | 0 | SVO |
| 69 | 9.5 | 2456349 | 2013-02-25 | 2456356 | 2013-03-04 | -7 | SVO |
| 70 | 10.1 | 2456519 | 2013-08-14 | 2456525 | 2013-08-20 | -6 | SVO |
| 71 | 10.1 | 2456690 | 2014-02-01 | 2456694 | 2014-02-05 | -4 | SVO |
| 72 | 10.2 | 2456859 | 2014-07-20 | 2456864 | 2014-07-25 | -5 | SVO |
| 73 | 9.9 | 2457030 | 2015-01-07 | 2457033 | 2015-01-10 | -3 | SVO |
| 74 | 2457200 | 2015-06-26 | 2457202 | 2015-06-28 | -2 | SVO | |
| 75 | 9.8 | 2457367 | 2015-12-10 | 2457371 | 2015-12-14 | -4 | SVO |
| 76 | 2457540 | 2016-05-31 | 2457540 | 2016-05-31 | 0 | SVO | |
| 77 | 9.7 | 2457705 | 2016-11-12 | 2457710 | 2016-11-17 | -5 | SVO |
| 78 | 9.6 | 2457888 | 2017-05-14 | 2457879 | 2017-05-05 | 9 | SVO |
| 79 | 10.0 | 2458046 | 2017-10-19 | 2458048 | 2017-10-21 | -2 | SVO |
| 80 | 10.1 | 2458223 | 2018-04-14 | 2458217 | 2018-04-08 | 6 | SVO |
| 81 | 9.4 | 2458393 | 2018-10-01 | 2458386 | 2018-09-24 | 7 | SVO |
| 82 | 10.0 | 2458558 | 2019-03-15 | 2458556 | 2019-03-13 | 2 | SVO |
| 83 | 9.6 | 2458723 | 2019-08-27 | 2458725 | 2019-08-29 | -2 | SVO |
| 84 | 10.3 | 2458901 | 2020-02-21 | 2458894 | 2020-02-14 | 7 | SVO |
| 85 | 10.1 | 2459078 | 2020-08-16 | 2459063 | 2020-08-01 | 15 | SVO |
| 86 | 9.5 | 2459239 | 2021-01-24 | 2459232 | 2021-01-17 | 7 | SVO |
| 87 | 9.7 | 2459407 | 2021-07-11 | 2459402 | 2021-07-06 | 5 | SVO |
| 88 | 9.6 | 2459581 | 2022-01-01 | 2459571 | 2021-12-22 | 10 | SVO |
| 89 | 9.8 | 2459749 | 2022-06-18 | 2459740 | 2022-06-09 | 9 | SVO |
| 90 | 9.9 | 2459926 | 2022-12-12 | 2459909 | 2022-11-25 | 17 | 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. |