May 2025 - vsnet-outburst - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-outburst 31507] Outbursts 20/05/2025
by Rod Stubbings 21 May '25

21 May '25

Outbursts and selected activity observed. object YYMMDD(UT) mag code remarks APSDT 250520.606 154 Stu.RASNZ outburst AQLFO 250520.634 153 Stu.RASNZ active AQLPQ 250520.638 150 Stu.RASNZ outburst AQLV1047 250520.639 150 Stu.RASNZ outburst ARABF 250520.515 146 Stu.RASNZ active CAROQ 250520.590 140 Stu.RASNZ active CENV803 250520.619 154 Stu.RASNZ outburst CENV803 250520.653 153 Stu.RASNZ … [View More]

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[vsnet-outburst 31501] ZTF18acynctq = TCP J20402089+4915562 = ASASSN-25bt: new SU UMa star candidate
by Yusuke Tampo 20 May '25

20 May '25

ZTF18acynctq = TCP J20402089+4915562 = ASASSN-25bt: new SU UMa star candidate XOSS team via TOCP/TNS and ASAS-SN reported the 2025 outburst of this system, which is already known as ZTF18acynctq in its 2018 outburst. https://alerce.online/object/ZTF18acynctq http://www.cbat.eps.harvard.edu/unconf/followups/J20402089+4915562.html https://www.aavso.org/vsx/index.php?view=detail.top&oid=10848612 Its 2018 outburst lasted for ~15 days and showed a possible rebrightening in the ATLAS data. … [View More]

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[vsnet-outburst 31500] Outbursts 19/05/25
by Rod Stubbings 20 May '25

20 May '25

Outbursts and selected activity. object YYMMDD(UT) mag code remarks ARABF 250519.456 142 Stu.RASNZ outburst CAROQ 250519.460 142 Stu.RASNZ outburst CHAZ 250519.463 128 Stu.RASNZ active CHAST 250519.466 143 Stu.RASNZ active CMAWZ 250519.399 150 Stu.RASNZ active CMAHL 250519.395 126 Stu.RASNZ active CRABP 250519.560 140 Stu.RASNZ outburst HYIDR 250519.361 151 Stu.RASNZ active NORHP … [View More]

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[vsnet-outburst 31499] Activity 17/18-05-2025
by Laslo Kočmaroš 18 May '25

18 May '25

Type of observation: Visual Instrument: Dobson 355/1650 Location: Zrenjanin, Serbia Object YYYYMMDD Mag Observer CAMZ 20250517.835 11.0 Laszlo Kocsmaros LEOHM 20250517.813 <13.5 Laszlo Kocsmaros LEOIU 20250517.824 12.8 Laszlo Kocsmaros LEOX 20250517.805 <13.8 Laszlo Kocsmaros LMISX 20250517.831 <14.2 Laszlo Kocsmaros SEXVZ 20250517.817 <13.7 Laszlo Kocsmaros UMASU 20250517.832 <14.1 Laszlo Kocsmaros VIRQZ 20250517.844 <14.1 Laszlo Kocsmaros VIRTW 20250517.847 <14.3 Laszlo … [View More]

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[vsnet-outburst 31498] Outbursts 17/05/2025
by Rod Stubbings 18 May '25

18 May '25

Outbursts observed. object YYMMDD(UT) mag code remarks AQLFO 250517.791 135 Stu.RASNZ outburst ERIPS 250517.806 128 Stu.RASNZ outburst HYIWX 250517.781 140 Stu.RASNZ outburst HYIDR 250517.781 151 Stu.RASNZ outburst NORHP 250517.770 146 Stu.RASNZ outburst NORIK 250517.771 146 Stu.RASNZ active SCOV598 250517.719 147 Stu.RASNZ outburst -- Rod Stubbings Tetoora Road Observatory Victoria, … [View More]

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[vsnet-outburst 31497] Outbursts 13,14/05/2025
by Rod Stubbings 14 May '25

14 May '25

Recent outbursts and activity observed. object YYMMDD(UT) mag code remarks ARAAT 250514.526 138 Stu.RASNZ active CHAZ 250513.403 123 Stu.RASNZ active CHAZ 250514.371 127 Stu.RASNZ active CHAST 250513.404 143 Stu.RASNZ active CHAST 250514.425 143 Stu.RASNZ active CMAWZ 250513.397 148 Stu.RASNZ active CMAWZ 250514.357 147 Stu.RASNZ active CMAHL 250513.388 130 Stu.RASNZ active CMAHL … [View More]

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[vsnet-outburst 31496] Outbursts 12/05/2025
by Rod Stubbings 12 May '25

12 May '25

Outbursts and selected activity observed. object YYMMDD(UT) mag code remarks ARAAT 250512.530 136 Stu.RASNZ outburst ARABF 250512.531 141 Stu.RASNZ active CENBV 250512.378 133 Stu.RASNZ CENV1040 250512.560 138 Stu.RASNZ active CMAWZ 250512.403 149 Stu.RASNZ active CMAHL 250512.399 124 Stu.RASNZ outburst HYIVW 250512.391 135 Stu.RASNZ LEOX 250512.373 126 Stu.RASNZ active PUPBV … [View More]

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[vsnet-outburst 31495] TCP J19065629+4019093: new SU UMa-type dwarf novae and WZ Sge-type candidate
by Yusuke Tampo 11 May '25

11 May '25

TCP J19065629+4019093: new SU UMa-type dwarf novae and WZ Sge-type candidate TCP J19065629+4019093 was discovered by Y. Nakamura on 29th April, 2025, at 13.1 mag. S. M. Brincat, J. Hambsch, Itoh-san, T. Tordai, and Sano-san have reported the time-resolved observations of this new transient. The latest time-resolved observations on 9th May by S. M. Brincat report the presence of single-peaked superhumps with ~0.056 d. Thus TCP J19065629+4019093 is a new SU UMa-type dwarf nova. Taking into … [View More]

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[vsnet-outburst 31494] activity at a glance (May 11)
by Taichi Kato 11 May '25

11 May '25

** AT Ara (UGSS) ** 20250430.503 146 (Rod Stubbings) 20250501.569 146 (Rod Stubbings) 20250502.537 146 (Rod Stubbings) 20250502.7617 <146C (Masayuki Moriyama) 20250505.610 145 (Rod Stubbings) 20250509.496 142 ### (Rod Stubbings) 20250510.546 140 ### (Rod Stubbings) ** BF Ara (UGSU) ** 20250502.7633 <143C (Masayuki Moriyama) 20250503.2392 <176C (Masao Funada) 20250509.497 141 ### (Rod Stubbings) 20250510.5236 … [View More]14.00V ### (Masao Funada) 20250510.5246 14.04Rc ### (Masao Funada) 20250510.5255 14.35B ### (Masao Funada) 20250510.547 141 ### (Rod Stubbings) ** CR Boo (UGSU/HeDN+UGZ) ** 20250427.941 14.92 (Pavol A. Dubovsky) 20250427.965 146 (Gary Poyner) 20250428.5968 148C (Masayuki Moriyama) 20250428.9458 <142 (Eddy Muyllaert) 20250429.483 <129 (Tsuneo Horie) 20250429.6631 155C (Masayuki Moriyama) 20250429.953 <142 (Kocsmaros Laszlo) 20250429.983 149 (Gary Poyner) 20250430.532 <114 (Tsuneo Horie) 20250430.5784 14.81C (Masayuki Moriyama) 20250430.965 147 (Gary Poyner) 20250501.876 140 (Kocsmaros Laszlo) 20250502.6967 143C (Masayuki Moriyama) 20250502.972 143 (Gary Poyner) 20250503.7440 143C (Masayuki Moriyama) 20250504.5442 144C (Masayuki Moriyama) 20250504.898 14.24C (Gary Poyner) 20250504.8999 14.05cG (Masao Funada) 20250505.974 144 (Gary Poyner) 20250507.6771 155C (Masayuki Moriyama) ** HT Cam (=RXJ0757.0+6306, CV(NLDQ,UGSU?)) ** 20250427.873 <160 (Pavol A. Dubovsky) 20250428.7321 <155C (Masayuki Moriyama) 20250428.9167 <144 (Eddy Muyllaert) 20250429.5530 164C (Masayuki Moriyama) 20250430.4811 16.270B (Yasuo Sano) 20250430.4822 16.324V (Yasuo Sano) 20250430.4865 15.847Rc (Yasuo Sano) 20250430.5053 167:C (Masayuki Moriyama) 20250502.6023 163C (Masayuki Moriyama) 20250503.7548 <152C (Masayuki Moriyama) 20250507.503 170C (Mitsutaka Hiraga) 20250507.5274 163:C (Masayuki Moriyama) ** BV Cen (UGSS) ** 20250430.442 132 (Rod Stubbings) 20250502.424 132 (Rod Stubbings) 20250510.412 132 ### (Rod Stubbings) ** MU Cen (UGSS) ** 20250430.694 153 (Rod Stubbings) 20250501.658 154 (Rod Stubbings) 20250502.681 153 (Rod Stubbings) 20250505.640 130 (Rod Stubbings) 20250510.4085 12.76V ### (Masao Funada) 20250510.4095 12.57Rc ### (Masao Funada) 20250510.4104 13.18B ### (Masao Funada) ** V373 Cen (UGSS) ** 20250510.4120 15.96V ### (Masao Funada) 20250510.4130 15.37Rc ### (Masao Funada) 20250510.4139 <170B (Masao Funada) ** V436 Cen (UGSU) ** 20250430.660 156 (Rod Stubbings) 20250501.625 156 (Rod Stubbings) 20250502.587 154 (Rod Stubbings) 20250505.601 154 (Rod Stubbings) 20250509.4334 15.63V ### (Masao Funada) 20250509.4345 15.12Rc ### (Masao Funada) 20250509.4353 15.81B ### (Masao Funada) ** V442 Cen (UGSS) ** 20250430.660 128 (Rod Stubbings) 20250501.624 135 (Rod Stubbings) 20250502.587 140 (Rod Stubbings) 20250510.4017 16.24V ### (Masao Funada) 20250510.4028 15.90Rc ### (Masao Funada) 20250510.4037 16.40B ### (Masao Funada) ** V1040 Cen (=RXJ1155.4-5641, UGSU) ** 20250430.446 145 (Rod Stubbings) 20250502.683 145 (Rod Stubbings) 20250505.608 144 (Rod Stubbings) 20250510.4050 14.01V ### (Masao Funada) 20250510.4060 13.85Rc ### (Masao Funada) 20250510.4069 14.42B ### (Masao Funada) 20250510.582 145 ### (Rod Stubbings) ** Z Cha (UGSU+E) ** 20250430.601 158 (Rod Stubbings) 20250501.599 160 (Rod Stubbings) 20250502.553 160 (Rod Stubbings) 20250510.539 120 ### (Rod Stubbings) ** ST Cha (UGZ(IW)) ** 20250430.603 143 (Rod Stubbings) 20250501.601 144 (Rod Stubbings) 20250502.556 145 (Rod Stubbings) 20250505.560 143 (Rod Stubbings) 20250510.542 143 ### (Rod Stubbings) ** WZ CMa (UGZ:) ** 20250510.399 150 ### (Rod Stubbings) ** HL CMa (UGZ) ** 20250429.4921 13.35V (Masayuki Moriyama) 20250430.403 130 (Rod Stubbings) 20250501.451 120 (Rod Stubbings) 20250502.435 119 (Rod Stubbings) 20250502.4853 12.75V (Masayuki Moriyama) 20250509.3536 13.26V ### (Masao Funada) 20250509.3542 13.09Rc ### (Masao Funada) 20250509.3547 13.69B ### (Masao Funada) 20250509.392 137 (Rod Stubbings) 20250510.394 130 ### (Rod Stubbings) ** SY Cnc (UGZ) ** 20250427.903 115 (Gary Poyner) 20250428.6389 112C (Masayuki Moriyama) 20250428.8931 113 (Eddy Muyllaert) 20250428.920 114 (Gary Poyner) 20250429.451 106 (Tsuneo Horie) 20250429.5932 113C (Masayuki Moriyama) 20250429.922 113 (Gary Poyner) 20250430.456 106 (Tsuneo Horie) 20250430.910 114 (Gary Poyner) 20250501.401 111 (Rod Stubbings) 20250502.394 111 (Rod Stubbings) 20250502.6470 11.58C (Masayuki Moriyama) 20250505.906 114 (Gary Poyner) 20250507.5802 119C (Masayuki Moriyama) ** AC Cnc (UGZ(IW)+E) ** 20250428.6088 141C (Masayuki Moriyama) 20250429.5756 144C (Masayuki Moriyama) 20250430.5591 143C (Masayuki Moriyama) 20250502.5707 145C (Masayuki Moriyama) 20250507.5525 148C (Masayuki Moriyama) ** AT Cnc (UGZ) ** 20250427.905 138 (Gary Poyner) 20250428.6321 141C (Masayuki Moriyama) 20250428.9090 143 (Eddy Muyllaert) 20250429.453 <126 (Tsuneo Horie) 20250429.5800 147C (Masayuki Moriyama) 20250429.920 145 (Gary Poyner) 20250430.458 <126 (Tsuneo Horie) 20250430.5546 151C (Masayuki Moriyama) 20250430.909 145 (Gary Poyner) 20250502.5753 150C (Masayuki Moriyama) 20250502.906 146 (Gary Poyner) 20250505.905 129 (Gary Poyner) 20250507.5577 134C (Masayuki Moriyama) ** NS Cnc (=SDSSJ081256.85+191157.8, UGZ(IW:)+E) ** 20250428.5744 158C (Masayuki Moriyama) 20250429.5751 157C (Masayuki Moriyama) 20250502.5688 153C (Masayuki Moriyama) 20250507.5519 156:C (Masayuki Moriyama) ** IR Com (=S10932, UGSU:+E) ** 20250428.6973 176C (Masayuki Moriyama) 20250428.9396 <143 (Eddy Muyllaert) 20250429.6670 176:C (Masayuki Moriyama) 20250429.981 <143 (Kocsmaros Laszlo) 20250501.892 <143 (Kocsmaros Laszlo) 20250502.6996 168C (Masayuki Moriyama) 20250503.7452 <172C (Masayuki Moriyama) 20250504.870 17.91C (Gary Poyner) 20250506.640 169C (Mitsutaka Hiraga) ** BP CrA (UGZ(IW:)) ** 20250505.582 143 (Rod Stubbings) 20250507.7962 147C (Masayuki Moriyama) ** GP CVn (=SDSSJ122740.83+513925.0, UGSU+E) ** 20250428.594 <178C (Mitsutaka Hiraga) 20250428.6824 <167C (Masayuki Moriyama) 20250502.6859 15.75C (Masayuki Moriyama) 20250503.7469 15.14C (Masayuki Moriyama) 20250506.644 158C (Mitsutaka Hiraga) 20250507.6627 16.03C (Masayuki Moriyama) ** ES Dra (UGZ(IW:)+NLAD+E) ** 20250428.7473 152C (Masayuki Moriyama) 20250502.7182 152C (Masayuki Moriyama) 20250503.7645 153C (Masayuki Moriyama) 20250504.6378 15.24C (Masayuki Moriyama) 20250507.6719 152C (Masayuki Moriyama) ** EX Dra (=HS1804+6753, UGSS+E) ** 20250429.974 <145 (Kocsmaros Laszlo) 20250430.035 148 (Gary Poyner) 20250430.985 149 (Gary Poyner) 20250502.001 <145 (Kocsmaros Laszlo) 20250504.6448 151C (Masayuki Moriyama) 20250507.8244 150C (Masayuki Moriyama) ** IX Dra (UGSU(ER)) ** 20250504.6477 <175C (Masayuki Moriyama) 20250507.8239 160C (Masayuki Moriyama) ** UV Gem (UGSU) ** 20250428.5354 <163C (Masayuki Moriyama) 20250429.5256 <168C (Masayuki Moriyama) 20250502.5132 <154C (Masayuki Moriyama) 20250507.462 155C (Mitsutaka Hiraga) 20250507.5115 147:C (Masayuki Moriyama) ** MV Gem (UGSS) ** 20250428.5675 <156C (Masayuki Moriyama) 20250507.460 157C (Mitsutaka Hiraga) ** V611 Her (UGSU) ** 20250430.562 <173C (Mitsutaka Hiraga) 20250503.7996 <178C (Masayuki Moriyama) 20250504.5882 <168C (Masayuki Moriyama) 20250507.7353 15.23C (Masayuki Moriyama) ** V849 Her (=PG1633+115, UGZ) ** 20250503.8002 157C (Masayuki Moriyama) 20250504.5867 157C (Masayuki Moriyama) 20250507.7344 153C (Masayuki Moriyama) ** V1008 Her (=Var61 Her, UGSS) ** 20250428.019 137 (Gary Poyner) 20250428.8030 142C (Masayuki Moriyama) 20250428.9569 137 (Eddy Muyllaert) 20250429.685 143C (Mitsutaka Hiraga) 20250430.631 146C (Mitsutaka Hiraga) 20250502.662 148C (Mitsutaka Hiraga) 20250502.8205 147C (Masayuki Moriyama) 20250502.988 144 (Gary Poyner) 20250503.8211 148C (Masayuki Moriyama) 20250504.619 148C (Mitsutaka Hiraga) 20250504.6800 149C (Masayuki Moriyama) 20250507.630 157C (Mitsutaka Hiraga) 20250507.8104 157C (Masayuki Moriyama) ** V1108 Her (=OT J183926+260410=Var Her 04, UGSU(WZ)) ** 20250428.8077 13.24C (Masayuki Moriyama) 20250429.685 132C (Mitsutaka Hiraga) 20250430.632 134C (Mitsutaka Hiraga) 20250502.660 136C (Mitsutaka Hiraga) 20250502.8196 137C (Masayuki Moriyama) 20250502.990 134 (Gary Poyner) 20250503.8193 137C (Masayuki Moriyama) 20250504.642 134C (Mitsutaka Hiraga) 20250504.6781 138C (Masayuki Moriyama) 20250505.013 13.63C (Gary Poyner) 20250506.006 146 (Gary Poyner) 20250507.631 149C (Mitsutaka Hiraga) 20250507.8086 155C (Masayuki Moriyama) ** V1460 Her (=1SWASPJ162117.36+441254.2, UGSS+E+NLDQ) ** 20250428.9556 <141 (Eddy Muyllaert) 20250503.7924 152C (Masayuki Moriyama) 20250504.6004 154C (Masayuki Moriyama) 20250507.7487 151C (Masayuki Moriyama) ** VW Hyi (UGSU) ** 20250430.573 132 (Rod Stubbings) 20250501.422 135 (Rod Stubbings) 20250502.414 135 (Rod Stubbings) 20250505.551 135 (Rod Stubbings) 20250509.385 136 ### (Rod Stubbings) 20250510.408 135 ### (Rod Stubbings) ** X Leo (UGSS) ** 20250427.867 14.40 (Pavol A. Dubovsky) 20250427.911 146 (Gary Poyner) 20250428.6409 155C (Masayuki Moriyama) 20250428.9361 <143 (Eddy Muyllaert) 20250429.458 <127 (Tsuneo Horie) 20250429.5978 163C (Masayuki Moriyama) 20250429.826 <143 (Kocsmaros Laszlo) 20250430.460 <124 (Tsuneo Horie) 20250430.5654 <159C (Masayuki Moriyama) 20250501.831 <143 (Kocsmaros Laszlo) 20250502.6490 164:C (Masayuki Moriyama) 20250507.5811 <155C (Masayuki Moriyama) 20250507.930 16.81C (Gary Poyner) 20250507.9300 16.90:C (Masao Funada) 20250510.385 124 ### (Rod Stubbings) ** MS Lyn (=CRTSJ085113.4+344449, UGSU) ** 20250428.6336 <166C (Masayuki Moriyama) 20250428.9104 <143 (Eddy Muyllaert) 20250429.5836 13.69C (Masayuki Moriyama) 20250430.516 139C (Mitsutaka Hiraga) 20250430.5206 13.84C (Masayuki Moriyama) 20250502.515 141C (Mitsutaka Hiraga) 20250502.5791 14.07C (Masayuki Moriyama) 20250506.578 143C (Mitsutaka Hiraga) 20250507.476 147C (Mitsutaka Hiraga) 20250507.5639 14.55C (Masayuki Moriyama) ** LL Lyr (UGSS) ** 20250430.005 <143 (Kocsmaros Laszlo) 20250430.640 168C (Mitsutaka Hiraga) 20250502.8221 <161C (Masayuki Moriyama) 20250503.8241 <164C (Masayuki Moriyama) 20250504.6818 169C (Masayuki Moriyama) 20250506.676 152C (Mitsutaka Hiraga) 20250507.8133 148C (Masayuki Moriyama) ** AD Men (UGSU) ** 20250509.381 148 ### (Rod Stubbings) 20250510.405 146 ### (Rod Stubbings) ** IK Nor (UGSS) ** 20250428.3405 <164V (Masao Funada) 20250428.3416 <162Rc (Masao Funada) 20250509.458 140 ### (Rod Stubbings) 20250510.422 142 ### (Rod Stubbings) 20250510.5093 13.77V ### (Masao Funada) 20250510.5103 13.40Rc ### (Masao Funada) 20250510.5112 14.07B ### (Masao Funada) ** V952 Oph (UGZ(IW)) ** 20250428.3919 15.08V (Masao Funada) 20250428.3929 14.88Rc (Masao Funada) 20250428.3938 14.60Ic (Masao Funada) 20250502.8180 150C (Masayuki Moriyama) 20250504.7284 147C (Masayuki Moriyama) 20250507.7878 145C (Masayuki Moriyama) ** BD Pav (UGSS+E) ** 20250430.640 152 (Rod Stubbings) 20250501.3628 15.26cG (Masao Funada) 20250502.578 151 (Rod Stubbings) 20250509.7190 15.12V ### (Masao Funada) 20250509.7200 14.56Rc ### (Masao Funada) 20250509.7209 15.85B ### (Masao Funada) ** BV Pup (UGZ) ** 20250430.456 150 (Rod Stubbings) 20250501.458 154 (Rod Stubbings) 20250502.447 151 (Rod Stubbings) 20250509.403 136 ### (Rod Stubbings) 20250510.401 133 ### (Rod Stubbings) ** BX Pup (UGZ) ** 20250430.456 158 (Rod Stubbings) 20250501.457 155 (Rod Stubbings) 20250502.446 159 (Rod Stubbings) 20250509.401 143 ### (Rod Stubbings) 20250510.401 143 ### (Rod Stubbings) ** HO Pup (UGZ(IW)) ** 20250430.462 146 (Rod Stubbings) 20250501.462 144 (Rod Stubbings) 20250502.444 144 (Rod Stubbings) 20250509.400 137 ### (Rod Stubbings) ** FQ Sco (UGSS) ** 20250502.7581 <163C (Masayuki Moriyama) 20250503.2634 17.04C (Masao Funada) 20250509.480 126 ### (Rod Stubbings) 20250510.435 126 ### (Rod Stubbings) 20250510.5441 12.39V ### (Masao Funada) 20250510.5451 12.48Rc ### (Masao Funada) 20250510.5460 12.88B ### (Masao Funada) ** V478 Sco (UGZ(IW)) ** 20250430.507 154 (Rod Stubbings) 20250501.573 153 (Rod Stubbings) 20250502.539 153 (Rod Stubbings) 20250502.7604 155C (Masayuki Moriyama) 20250508.6842 15.58V (Masao Funada) 20250508.6852 15.19Rc (Masao Funada) 20250508.6861 16.23B (Masao Funada) 20250509.499 153 ### (Rod Stubbings) ** V893 Sco (UGSU+E) ** 20250428.7803 14.20C (Masayuki Moriyama) 20250430.483 137 (Rod Stubbings) 20250501.551 137 (Rod Stubbings) 20250502.531 136 (Rod Stubbings) 20250502.7645 141C (Masayuki Moriyama) 20250507.7155 132C (Masayuki Moriyama) 20250509.469 137 ### (Rod Stubbings) 20250510.544 137 ### (Rod Stubbings) ** UZ Ser (UGZ(IW:)) ** 20250430.596 154 (Rod Stubbings) 20250501.3029 16.53cG (Masao Funada) 20250501.592 <154 (Rod Stubbings) 20250502.8164 160:C (Masayuki Moriyama) 20250504.7292 158C (Masayuki Moriyama) 20250505.626 150 (Rod Stubbings) 20250507.7861 131C (Masayuki Moriyama) ** V493 Ser (=SDSSJ155644.24-000950.2, UGSU) ** 20250428.2953 <165V (Masao Funada) 20250428.2964 <165Rc (Masao Funada) 20250428.7028 <170C (Masayuki Moriyama) 20250429.7128 <167C (Masayuki Moriyama) 20250502.599 124 (Rod Stubbings) 20250502.7019 12.40C (Masayuki Moriyama) 20250503.7726 125C (Masayuki Moriyama) 20250504.5503 12.56C (Masayuki Moriyama) 20250505.594 124 (Rod Stubbings) 20250507.6821 12.68C (Masayuki Moriyama) ** DV TrA (UGZ(IW)) ** 20250430.424 134 (Rod Stubbings) 20250501.481 136 (Rod Stubbings) 20250502.453 140 (Rod Stubbings) 20250510.433 134 ### (Rod Stubbings) ** CH UMa (UGSS) ** 20250427.896 15.30 (Pavol A. Dubovsky) 20250427.934 151 (Gary Poyner) 20250428.7371 149C (Masayuki Moriyama) 20250428.916 15.16 (Pavol A. Dubovsky) 20250428.9257 <143 (Eddy Muyllaert) 20250428.948 150 (Gary Poyner) 20250429.476 <126 (Tsuneo Horie) 20250429.6860 149C (Masayuki Moriyama) 20250429.872 <143 (Kocsmaros Laszlo) 20250429.954 149 (Gary Poyner) 20250430.5099 150C (Masayuki Moriyama) 20250430.544 <128 (Tsuneo Horie) 20250430.944 150 (Gary Poyner) 20250501.994 126 (Kocsmaros Laszlo) 20250502.583 125C (Mitsutaka Hiraga) 20250502.6118 123C (Masayuki Moriyama) 20250502.943 114 (Gary Poyner) 20250503.7583 117C (Masayuki Moriyama) 20250505.949 111 (Gary Poyner) 20250506.566 108C (Mitsutaka Hiraga) 20250507.5475 112C (Masayuki Moriyama) 20250507.951 11.14C (Gary Poyner) 20250507.9521 11.10cG (Masao Funada) ** CI UMa (UGSU) ** 20250428.7386 <171C (Masayuki Moriyama) 20250429.581 <175C (Mitsutaka Hiraga) 20250429.6852 <172C (Masayuki Moriyama) 20250502.585 169C (Mitsutaka Hiraga) 20250502.6130 16.98C (Masayuki Moriyama) 20250503.7594 149C (Masayuki Moriyama) 20250505.951 145 (Gary Poyner) 20250506.567 149C (Mitsutaka Hiraga) 20250507.542 150C (Mitsutaka Hiraga) 20250507.5483 150C (Masayuki Moriyama) ** ER UMa (UGSU(ER)) ** 20250427.878 13.67 (Pavol A. Dubovsky) 20250428.6693 139C (Masayuki Moriyama) 20250428.910 13.88 (Pavol A. Dubovsky) 20250428.9208 140 (Eddy Muyllaert) 20250428.923 141 (Gary Poyner) 20250429.478 <131 (Tsuneo Horie) 20250429.7013 148C (Masayuki Moriyama) 20250429.860 <142 (Kocsmaros Laszlo) 20250429.951 145 (Gary Poyner) 20250430.5257 151C (Masayuki Moriyama) 20250430.547 <131 (Tsuneo Horie) 20250430.932 146 (Gary Poyner) 20250502.6743 149C (Masayuki Moriyama) 20250502.938 147 (Gary Poyner) 20250503.7527 154C (Masayuki Moriyama) 20250505.945 133 (Gary Poyner) 20250507.6542 131C (Masayuki Moriyama) ** KS UMa (=SBS1017+533, UGSU) ** 20250427.892 13.30 (Pavol A. Dubovsky) 20250427.942 135 (Gary Poyner) 20250428.6715 133C (Masayuki Moriyama) 20250428.924 13.20 (Pavol A. Dubovsky) 20250428.954 134 (Gary Poyner) 20250429.478 <132 (Tsuneo Horie) 20250429.594 143C (Mitsutaka Hiraga) 20250429.7029 14.28C (Masayuki Moriyama) 20250429.858 135 (Kocsmaros Laszlo) 20250429.961 141 (Gary Poyner) 20250430.5224 15.40C (Masayuki Moriyama) 20250430.546 <132 (Tsuneo Horie) 20250430.944 153 (Gary Poyner) 20250501.983 <141 (Kocsmaros Laszlo) 20250502.614 168C (Mitsutaka Hiraga) 20250502.6768 170C (Masayuki Moriyama) 20250503.7514 165:C (Masayuki Moriyama) 20250507.6570 163:C (Masayuki Moriyama) ** LN UMa (UGZ(IW)+NLAD) ** 20250428.7364 154C (Masayuki Moriyama) 20250429.6866 152C (Masayuki Moriyama) 20250430.5093 152C (Masayuki Moriyama) 20250502.6111 154C (Masayuki Moriyama) 20250503.7574 154C (Masayuki Moriyama) 20250507.5468 153C (Masayuki Moriyama) ** V499 UMa (=MASTER OT J081110.46+660008.5, UGSU(WZ)) ** 20250507.507 155C (Mitsutaka Hiraga) ** BE UMi (=GSC4560.2157, UGSS+E) ** 20250428.7502 156C (Masayuki Moriyama) 20250502.7202 155C (Masayuki Moriyama) 20250503.7656 157C (Masayuki Moriyama) 20250504.6402 157C (Masayuki Moriyama) 20250507.6738 155C (Masayuki Moriyama) ** CU Vel (UGSU) ** 20250509.4027 16.73V ### (Masao Funada) 20250509.4038 16.75Rc ### (Masao Funada) 20250509.4047 175B (Masao Funada) ** AA Vir (UGZ:) ** 20250428.5957 149C (Masayuki Moriyama) 20250429.6623 14.87C (Masayuki Moriyama) 20250430.5766 14.83C (Masayuki Moriyama) 20250502.6958 14.20C (Masayuki Moriyama) 20250503.7431 140C (Masayuki Moriyama) 20250504.5433 14.07C (Masayuki Moriyama) 20250507.6763 140C (Masayuki Moriyama) ** SY Vol (UGSS) ** 20250510.440 146 ### (Rod Stubbings) ** NSV11274 (UGSS) ** 20250430.514 145 (Rod Stubbings) 20250501.574 142 (Rod Stubbings) 20250502.562 141 (Rod Stubbings) 20250505.581 140 (Rod Stubbings) 20250510.549 143 ### (Rod Stubbings) ** NSV11599 (=Gaia20fjv, UGSS+E) ** 20250428.8124 153C (Masayuki Moriyama) 20250502.8267 155C (Masayuki Moriyama) 20250503.8321 151:C (Masayuki Moriyama) 20250504.6881 154C (Masayuki Moriyama) 20250507.8213 156C (Masayuki Moriyama) ** NSV12952 (UGZ) ** 20250429.669 150C (Mitsutaka Hiraga) 20250430.669 148C (Mitsutaka Hiraga) 20250502.744 151C (Mitsutaka Hiraga) 20250503.751 156C (Mitsutaka Hiraga) 20250504.7182 162C (Masayuki Moriyama) 20250506.674 166C (Mitsutaka Hiraga) ** 1RXSJ072816.3+751559 (UGSU) ** 20250428.7306 137C (Masayuki Moriyama) 20250429.5517 137C (Masayuki Moriyama) 20250502.5996 138C (Masayuki Moriyama) 20250507.5413 137C (Masayuki Moriyama) ** 1RXSJ161659.5+620014 (UGSU) ** 20250502.7234 14.89C (Masayuki Moriyama) 20250503.7676 150C (Masayuki Moriyama) 20250504.0711 15.01cG (Masao Funada) 20250504.6425 152C (Masayuki Moriyama) 20250507.8256 157:C (Masayuki Moriyama) ** 1RXSJ185310.0+594509 (=DDE14, UGSU) ** 20250502.8287 <152C (Masayuki Moriyama) 20250503.8315 <150C (Masayuki Moriyama) 20250504.6875 <172C (Masayuki Moriyama) 20250507.8206 153C (Masayuki Moriyama) ** ASASJ071404+7004.3 (=1RXSJ071404.0+700413, UGZ(IW)) ** 20250428.7282 114C (Masayuki Moriyama) 20250507.5407 122C (Masayuki Moriyama) ** ASASSN-13at (UGSU) ** 20250504.6484 <175C (Masayuki Moriyama) 20250507.8234 149C (Masayuki Moriyama) ** ASASSN-14dw (UGSU) ** 20250430.425 140 (Rod Stubbings) 20250501.425 140 (Rod Stubbings) 20250502.419 142 (Rod Stubbings) 20250509.406 153 ### (Rod Stubbings) ** ASASSN-15kw (UGSU:) ** 20250504.6031 166C (Masayuki Moriyama) 20250507.7515 167:C (Masayuki Moriyama) ** ASASSN-VJ080131.26+760156.0 (UGZ:) ** 20250429.5546 145C (Masayuki Moriyama) 20250507.522 143C (Mitsutaka Hiraga) 20250507.5428 144C (Masayuki Moriyama) ** ASASSN-VJ090756.65+715859.5 (UGZ(IW)) ** 20250428.7357 162C (Masayuki Moriyama) 20250429.5577 162C (Masayuki Moriyama) 20250502.6084 160C (Masayuki Moriyama) 20250503.7567 163C (Masayuki Moriyama) 20250507.519 161C (Mitsutaka Hiraga) 20250507.5459 160C (Masayuki Moriyama) ** DDE35 (UGZ+NLAD) ** 20250429.576 161C (Mitsutaka Hiraga) 20250502.578 158C (Mitsutaka Hiraga) 20250506.562 154C (Mitsutaka Hiraga) 20250507.542 156C (Mitsutaka Hiraga) ** DDE75 (UGZ+NLAD) ** 20250428.7429 141C (Masayuki Moriyama) 20250429.6810 141C (Masayuki Moriyama) 20250502.6212 141C (Masayuki Moriyama) 20250503.7621 143C (Masayuki Moriyama) 20250507.6695 141C (Masayuki Moriyama) ** KIC9202990 (=ASASSN-VJ185608.07+453740.1, UGZ) ** 20250502.8255 148C (Masayuki Moriyama) 20250503.8286 150C (Masayuki Moriyama) 20250507.8188 153C (Masayuki Moriyama) ** KIC11390659 (=KICJ185830.91+491432.7, UGSU) ** 20250430.644 158C (Mitsutaka Hiraga) 20250502.8260 157:C (Masayuki Moriyama) 20250503.8296 <157C (Masayuki Moriyama) 20250504.6862 165C (Masayuki Moriyama) 20250507.8194 162C (Masayuki Moriyama) ** LINEAR23795703 (UGSU+E) ** 20250428.6020 16.62C (Masayuki Moriyama) 20250429.5617 17.23C (Masayuki Moriyama) 20250502.5410 16.55C (Masayuki Moriyama) 20250506.562 166C (Mitsutaka Hiraga) 20250507.5674 16.68C (Masayuki Moriyama) ** MASTER OT J064725.70+491543.9 (UGSU) ** 20250430.476 145C (Mitsutaka Hiraga) 20250502.469 164C (Mitsutaka Hiraga) 20250504.489 162C (Mitsutaka Hiraga) 20250507.5220 139C (Masayuki Moriyama) ** PS1-3PIJ180936.78-174250.2 (=ZTF19aapqdqv, UGZ(IW)) ** 20250504.7306 167C (Masayuki Moriyama) 20250507.7847 158C (Masayuki Moriyama) ** SDSSJ122405.58+184102.7 (UGZ+NLAD) ** 20250428.6888 16.60C (Masayuki Moriyama) 20250429.6591 165C (Masayuki Moriyama) 20250502.6923 164C (Masayuki Moriyama) 20250506.631 165C (Mitsutaka Hiraga) 20250507.5709 160:C (Masayuki Moriyama) ** TCPJ13560585+3727068 (UGSU(WZ)) ** 20250427.9243 14.37cG (Masao Funada) 20250428.6856 14.71C (Masayuki Moriyama) 20250429.7175 14.96C (Masayuki Moriyama) 20250429.9625 14.51cG (Masao Funada) 20250430.885 147CV (Klaus Wenzel) 20250430.9688 14.70C (Gary Poyner) 20250430.9704 14.83cG (Masao Funada) 20250501.917 148CV (Klaus Wenzel) 20250502.1555 14.838CV (Filipp Romanov) 20250502.1563 14.848CV (Filipp Romanov) 20250502.1571 14.877CV (Filipp Romanov) 20250502.1579 14.829CV (Filipp Romanov) 20250502.1587 14.836CV (Filipp Romanov) 20250502.1594 14.840CV (Filipp Romanov) 20250502.1602 14.829CV (Filipp Romanov) 20250502.1610 14.868CV (Filipp Romanov) 20250502.1618 14.860CV (Filipp Romanov) 20250502.1626 14.839CV (Filipp Romanov) 20250502.1633 14.869CV (Filipp Romanov) 20250502.1641 14.868CV (Filipp Romanov) 20250502.1649 14.889CV (Filipp Romanov) 20250502.1657 14.860CV (Filipp Romanov) 20250502.1665 14.886CV (Filipp Romanov) 20250502.1673 14.876CV (Filipp Romanov) 20250502.1681 14.865CV (Filipp Romanov) 20250502.1689 14.876CV (Filipp Romanov) 20250502.1697 14.893CV (Filipp Romanov) 20250502.1705 14.883CV (Filipp Romanov) 20250502.1713 14.891CV (Filipp Romanov) 20250502.1720 14.890CV (Filipp Romanov) 20250502.1728 14.968CV (Filipp Romanov) 20250502.1736 14.982CV (Filipp Romanov) 20250502.1744 14.975CV (Filipp Romanov) 20250502.1751 14.882CV (Filipp Romanov) 20250502.1759 14.899CV (Filipp Romanov) 20250502.1767 14.908CV (Filipp Romanov) 20250502.1775 14.957CV (Filipp Romanov) 20250502.1783 14.917CV (Filipp Romanov) 20250502.1791 14.890CV (Filipp Romanov) 20250502.1798 14.898CV (Filipp Romanov) 20250502.1806 14.874CV (Filipp Romanov) 20250502.1814 14.882CV (Filipp Romanov) 20250502.1822 14.849CV (Filipp Romanov) 20250502.1830 14.874CV (Filipp Romanov) 20250502.1837 14.833CV (Filipp Romanov) 20250502.1845 14.863CV (Filipp Romanov) 20250502.1853 14.872CV (Filipp Romanov) 20250502.1861 14.871CV (Filipp Romanov) 20250502.1868 14.888CV (Filipp Romanov) 20250502.1876 14.899CV (Filipp Romanov) 20250502.1884 14.917CV (Filipp Romanov) 20250502.1892 14.890CV (Filipp Romanov) 20250502.1900 14.857CV (Filipp Romanov) 20250502.1907 14.913CV (Filipp Romanov) 20250502.1915 14.882CV (Filipp Romanov) 20250502.1923 14.875CV (Filipp Romanov) 20250502.1931 14.873CV (Filipp Romanov) 20250502.1939 14.894CV (Filipp Romanov) 20250502.1946 14.868CV (Filipp Romanov) 20250502.1954 14.823CV (Filipp Romanov) 20250502.1962 14.851CV (Filipp Romanov) 20250502.1970 14.785CV (Filipp Romanov) 20250502.1978 14.793CV (Filipp Romanov) 20250502.1985 14.824CV (Filipp Romanov) 20250502.1993 14.791CV (Filipp Romanov) 20250502.2001 14.770CV (Filipp Romanov) 20250502.2009 14.795CV (Filipp Romanov) 20250502.2017 14.802CV (Filipp Romanov) 20250502.2024 14.793CV (Filipp Romanov) 20250502.2032 14.793CV (Filipp Romanov) 20250502.2040 14.774CV (Filipp Romanov) 20250502.2048 14.772CV (Filipp Romanov) 20250502.2056 14.770CV (Filipp Romanov) 20250502.2063 14.766CV (Filipp Romanov) 20250502.2071 14.801CV (Filipp Romanov) 20250502.2079 14.817CV (Filipp Romanov) 20250502.2087 14.820CV (Filipp Romanov) 20250502.2095 14.815CV (Filipp Romanov) 20250502.2102 14.845CV (Filipp Romanov) 20250502.2110 14.800CV (Filipp Romanov) 20250502.2118 14.803CV (Filipp Romanov) 20250502.2126 14.784CV (Filipp Romanov) 20250502.2134 14.825CV (Filipp Romanov) 20250502.2141 14.906CV (Filipp Romanov) 20250502.2149 14.848CV (Filipp Romanov) 20250502.2157 14.835CV (Filipp Romanov) 20250502.2165 14.857CV (Filipp Romanov) 20250502.2173 14.847CV (Filipp Romanov) 20250502.2180 14.811CV (Filipp Romanov) 20250502.2192 14.828CV (Filipp Romanov) 20250502.2200 14.867CV (Filipp Romanov) 20250502.2207 14.866CV (Filipp Romanov) 20250502.2215 14.858CV (Filipp Romanov) 20250502.2223 14.855CV (Filipp Romanov) 20250502.2231 14.852CV (Filipp Romanov) 20250502.2239 14.922CV (Filipp Romanov) 20250502.2246 14.862CV (Filipp Romanov) 20250502.2254 14.902CV (Filipp Romanov) 20250502.2262 14.879CV (Filipp Romanov) 20250502.2270 14.879CV (Filipp Romanov) 20250502.2277 14.906CV (Filipp Romanov) 20250502.2285 14.891CV (Filipp Romanov) 20250502.2293 14.898CV (Filipp Romanov) 20250502.2301 14.916CV (Filipp Romanov) 20250502.2309 14.909CV (Filipp Romanov) 20250502.2316 14.952CV (Filipp Romanov) 20250502.2324 14.918CV (Filipp Romanov) 20250502.2332 14.939CV (Filipp Romanov) 20250502.2340 14.904CV (Filipp Romanov) 20250502.2348 14.950CV (Filipp Romanov) 20250502.2355 15.008CV (Filipp Romanov) 20250502.2363 14.930CV (Filipp Romanov) 20250502.2371 14.968CV (Filipp Romanov) 20250502.2379 14.943CV (Filipp Romanov) 20250502.2387 14.946CV (Filipp Romanov) 20250502.2394 14.930CV (Filipp Romanov) 20250502.2402 14.908CV (Filipp Romanov) 20250502.2410 14.918CV (Filipp Romanov) 20250502.2418 14.932CV (Filipp Romanov) 20250502.2426 14.982CV (Filipp Romanov) 20250502.2433 14.894CV (Filipp Romanov) 20250502.2441 14.898CV (Filipp Romanov) 20250502.2449 14.921CV (Filipp Romanov) 20250502.2457 14.933CV (Filipp Romanov) 20250502.2465 14.919CV (Filipp Romanov) 20250502.2472 14.917CV (Filipp Romanov) 20250502.2480 14.915CV (Filipp Romanov) 20250502.2488 14.917CV (Filipp Romanov) 20250502.2496 14.934CV (Filipp Romanov) 20250502.2503 14.929CV (Filipp Romanov) 20250502.2511 14.944CV (Filipp Romanov) 20250502.2519 14.885CV (Filipp Romanov) 20250502.2527 14.941CV (Filipp Romanov) 20250502.2535 14.939CV (Filipp Romanov) 20250502.2542 14.936CV (Filipp Romanov) 20250502.2550 14.909CV (Filipp Romanov) 20250502.2558 14.875CV (Filipp Romanov) 20250502.2566 14.887CV (Filipp Romanov) 20250502.2573 14.833CV (Filipp Romanov) 20250502.2581 14.836CV (Filipp Romanov) 20250502.2589 14.850CV (Filipp Romanov) 20250502.2597 14.846CV (Filipp Romanov) 20250502.2605 14.859CV (Filipp Romanov) 20250502.2613 14.781CV (Filipp Romanov) 20250502.2620 14.809CV (Filipp Romanov) 20250502.2628 14.807CV (Filipp Romanov) 20250502.2636 14.823CV (Filipp Romanov) 20250502.2644 14.808CV (Filipp Romanov) 20250502.2652 14.840CV (Filipp Romanov) 20250502.2659 14.789CV (Filipp Romanov) 20250502.2667 14.828CV (Filipp Romanov) 20250502.2675 14.812CV (Filipp Romanov) 20250502.2683 14.815CV (Filipp Romanov) 20250502.2691 14.819CV (Filipp Romanov) 20250502.2698 14.835CV (Filipp Romanov) 20250502.2706 14.850CV (Filipp Romanov) 20250502.2714 14.844CV (Filipp Romanov) 20250502.2722 14.897CV (Filipp Romanov) 20250502.2730 14.821CV (Filipp Romanov) 20250502.2737 14.828CV (Filipp Romanov) 20250502.2745 14.859CV (Filipp Romanov) 20250502.2753 14.895CV (Filipp Romanov) 20250502.2761 14.858CV (Filipp Romanov) 20250502.2769 14.861CV (Filipp Romanov) 20250502.2777 14.832CV (Filipp Romanov) 20250502.2784 14.851CV (Filipp Romanov) 20250502.2792 14.820CV (Filipp Romanov) 20250502.2800 14.890CV (Filipp Romanov) 20250502.7250 15.32C (Masayuki Moriyama) 20250502.9375 15.05C (Gary Poyner) 20250502.9387 14.79cG (Masao Funada) 20250503.8040 15.50C (Masayuki Moriyama) 20250503.9792 15.32C (Gary Poyner) 20250503.9809 15.01cG (Masao Funada) 20250504.5688 15.49C (Masayuki Moriyama) 20250504.9021 15.20C (Gary Poyner) 20250504.9022 15.16C (Masao Funada) 20250504.9034 <154cG (Masao Funada) 20250506.869 154CV (Klaus Wenzel) 20250507.7041 15.83C (Masayuki Moriyama) [View Less]

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[vsnet-outburst 31493] Outbursts 10/05/2025
by Rod Stubbings 10 May '25

10 May '25

Outbursts and selected activity observed. object YYMMDD(UT) mag code remarks ARAAT 250510.546 140 Stu.RASNZ active ARABF 250510.547 141 Stu.RASNZ active CENBV 250510.412 132 Stu.RASNZ CENV1040 250510.582 145 Stu.RASNZ CHAZ 250510.539 120 Stu.RASNZ outburst CHAST 250510.542 143 Stu.RASNZ active CMAWZ 250510.399 150 Stu.RASNZ outburst CMAHL 250510.394 130 Stu.RASNZ HYIVW … [View More]

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vsnet-outburst May 2025