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

[vsnet-obs 99030] VSOLJ observations
by Taichi Kato 28 May '25

28 May '25

mail vsnet-obs VS observations Observations by VSOLJ members object YYYYMMDD(UT) mag code BOOZ 20250527.569 108 Yde.VSOLJ CRBS 20250527.574 107 Yde.VSOLJ CRBT 20250526.77031 10.10cG Tbo.VSOLJ CRBT 20250526.77212 10.10cG Tbo.VSOLJ CRBT 20250526.77293 10.10cG Tbo.VSOLJ CRBT 20250526.77313 10.12cG Tbo.VSOLJ CRBT 20250527.558 102 Yde.VSOLJ HERRT 20250527.617 110 Yde.VSOLJ HERSV 20250527.626 <113 Yde.VSOLJ HERSY 20250527.612 104 Yde.VSOLJ Observer's code: Tbo: M. Tsuboi Yde: Hideki Yoshihara

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[vsnet-obs 99029] Selected VS Obs May 25-26
by Gary Poyner 27 May '25

27 May '25

Selected visual observations for May 22-23 2025 Gary Poyner Birmingham England Email garypoyner(a)gmail.com www.variablestars.co.uk Instrument: 51cm, 22cm, 10x50B & 16x70B Supported in part by the British Astronomical Association Becoming cloudy. STAR UT MAG 1RXS J183144.5+651135 26.0382 14.7 Outburst 3C 273 25.9472 13.4 3C 382 26.0646 14.7 Aql ES 26.0729 11.6 Aql V1413 26.0694 10.6 Boo CR 25.9979 14.5 active Cam BZ 25.9743 13.1 Cam Z 25.9701 13.7 Cas V1405 25.9410 13.0 Com W 25.9542 15.4 CrB R 26.0069 5.9 CrB T 26.0076 10.1 Cyg CH 26.0736 7.8 Cyg CI 26.0764 10.9 Cyg EY 26.0771 14.9 Cyg V1016 26.0799 11.8 Cyg V1057 26.0806 12.7 Cyg V1329 26.0875 13.9 Cyg V482 26.0757 11.0 Cyg V751 26.0813 14.5 Dra AB 26.0042 14.3 Dra EX 26.0361 14.6 Her AH 26.0160 13.0 active Her AM 26.0319 13.4 Her AO 26.0313 12.7 Her V1117 26.0500 12.6 Her YY 26.0222 13.1 LMi RZ 25.9583 15.0 Outburst Lyr MV 26.0507 12.7 Mark 421 25.9667 13.6 Oph RS 26.0194 11.3 S50716+71 25.9736 13.8 Sge SV 26.0701 10.6 UMa CH 25.9715 15.2 UMa ER 25.9681 14.9 UMa SU 25.9764 15.0 UMa SW 25.9417 9.8 active UMa SW 25.9757 9.6 UMa SW 26.0410 9.5 UMi Z 26.0035 12.0 Vir TW 25.9465 14.3 active End

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[vsnet-obs 99028] CCD Obs May 26-27
by Gary Poyner 27 May '25

27 May '25

CCD Observations for May 26-27, 2025 Gary Poyner Birmingham England Email garypoyner(a)gmail.com www.variablestars.co.uk Slooh Canary 2 STAR UT MAG Aql ES 27.1181 11.41C CrB T 27.1694 10.30TG Cyg V1504 27.1729 16.87C Cyg V503 27.1771 17.01C OJ287 26.8958 15.73C UMa SW 26.8986 10.39C active UMi SS 27.0833 16.70C End

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[vsnet-obs 99027] 689, 690 observations - Destellos
by adolfodarriba＠observatoriolascasqueras.es 27 May '25

27 May '25

Adolfo Darriba Group M1 (Madrid, Spain) Observatorio Astronómico Las Casqueras www.observatoriolascasqueras.es <http://www.observatoriolascasqueras.es> OBS: Adolfo Darriba Martínez TEL: 0.35-m f/6.3 SC + CCD CCD: Atik 383L+ KAF-8300 Maximdl 5.15 AAVSO OBJECT DATE MAG +/- OBS CAT ------ ------------- ----- ---- --- --------------- S4 0954+65 20250524.0335 16.10V 0.01 DAM AAVSO X27886TQ S5 1044+71 20250524.0451 16.48V 0.02 DAM AAVSO UCAC4 B2 1147+24 20250524.0586 16.71V 0.03 DAM AAVSO X27560ACD 4C 29.45 20250524.0692 14.86V 0.01 DAM AAVSO X36423VD AU CVN 20250524.0805 14.63V 0.01 DAM AAVSO X37796AQ QSO B1553+113 20250524.0876 14.12V 0.01 DAM AAVSO X15624CPK QSO B1749+701 20250524.0966 15.82V 0.01 DAM AAVSO 15070DY 1RXS J190910.3+665222 20250524.1116 16.78V 0.01 DAM AAVSO UCAC4 3C 390.3 20250524.1286 15.02V 0.01 DAM AAVSO 15141CT OI 090.4 20250524.8691 16.07V 0.04 DAM AAVSO UCAC4 1ES 1011+496 20250524.8789 15.53V 0.01 DAM AAVSO X27451ALW 1ES 0806+52.4 20250524.8881 15.40V 0.01 DAM AAVSO X15437BKQ S4 1030+61 20250524.9025 19.17V 0.10 DAM AAVSO X27451ALY TXS 0917+624 20250524.9171 18.65V 0.07 DAM AAVSO X23998DR S4 0954+65 20250524.9277 16.14V 0.01 DAM AAVSO X27886TQ S5 1044+71 20250524.9402 16.72V 0.02 DAM AAVSO UCAC4 QSO B1215+303 20250524.9533 15.02V 0.01 DAM AAVSO X28521CW AU CVN 20250524.9673 14.78V 0.01 DAM AAVSO X37796AQ OQ 530 20250524.9752 15.74V 0.01 DAM AAVSO 15106PX PKS 1502+106 20250524.9836 19.81V 0.10 DAM AAVSO UCAC4 QSO B1803+6737 20250524.9973 16.12V 0.01 DAM AAVSO X15363DR OT 081 20250525.0104 17.64V 0.09 DAM AAVSO 15080DF 3C 371 20250525.0205 14.41V 0.01 DAM AAVSO X27483VX 4C 32.55 20250525.0313 14.77V 0.01 DAM AAVSO X26827RZ 1ES 1959+65 20250525.0427 15.00V 0.01 DAM AAVSO 15080CW S5 2007+77 20250525.0544 16.30V 0.02 DAM AAVSO 15080DI OS 319 20250525.0681 18.57V 0.05 DAM AAVSO X15613W CTA 102 20250525.0813 16.36V 0.03 DAM AAVSO 15080DU 3C 454.3 20250525.0918 15.75V 0.02 DAM AAVSO X15614W 3C 351 20250525.1039 15.30V 0.01 DAM AAVSO X24025E 4C 38.41 20250525.1188 18.10V 0.05 DAM AAVSO UCAC4

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[vsnet-obs 99026] VSOLJ observations
by Taichi Kato 27 May '25

27 May '25

mail vsnet-obs VS observations Observations by VSOLJ members object YYYYMMDD(UT) mag code CNCCC 20250525.485 <176C Hrm.VSOLJ CRTSJ102616.0+192045 20250525.540 <171C Hrm.VSOLJ CRTSJ105122.8+672528 20250525.478 <173C Hrm.VSOLJ CYGV2690 20250525.642 145C Hrm.VSOLJ DRAAB 20250525.622 141C Hrm.VSOLJ DRACP 20250525.480 <176C Hrm.VSOLJ DRADO 20250525.492 152C Hrm.VSOLJ GEMU 20250525.457 137C Hrm.VSOLJ HERCH 20250525.616 <170C Hrm.VSOLJ HERPR 20250525.608 <177C Hrm.VSOLJ HERPU 20250525.609 <173C Hrm.VSOLJ LEOV357 20250525.542 <174C Hrm.VSOLJ LMIAC 20250525.543 168C Hrm.VSOLJ LYRAY 20250525.604 <170C Hrm.VSOLJ LYRDM 20250525.603 <172C Hrm.VSOLJ LYRV394 20250525.606 <170C Hrm.VSOLJ LYRV904 20250525.610 <171C Hrm.VSOLJ UMACE 20250525.546 <173C Hrm.VSOLJ UMAIY 20250525.474 173C Hrm.VSOLJ UMAV351 20250525.536 160C Hrm.VSOLJ UMAV375 20250525.503 165C Hrm.VSOLJ ASASSN-13aa 20250525.499 <176C Hrm.VSOLJ ASASSN-13af 20250525.481 <175C Hrm.VSOLJ ASASSN-13ak 20250525.570 <171C Hrm.VSOLJ ASASSN-13bc 20250525.572 <170C Hrm.VSOLJ ASASSN-15gq 20250525.497 <175C Hrm.VSOLJ ASASSN-16da 20250525.532 <176C Hrm.VSOLJ ASASSN-17eq 20250525.496 <174C Hrm.VSOLJ Carter_SDSSJ173047.59+554518.5 20250525.573 <170C Hrm.VSOLJ DDE35 20250525.469 151C Hrm.VSOLJ FBS1220+753 20250525.533 154C Hrm.VSOLJ LINEAR23795703 20250525.472 166C Hrm.VSOLJ MASTER_OT_J111759.87+765131.6 20250525.494 <171C Hrm.VSOLJ NSV04838 20250525.508 <176C Hrm.VSOLJ NSV05285 20250525.515 <177C Hrm.VSOLJ SBS1108+574 20250525.474 <173C Hrm.VSOLJ SDSSJ100515.39+191108.0 20250525.539 <173C Hrm.VSOLJ SDSSJ101323.64+455858.9 20250525.506 <174C Hrm.VSOLJ SDSSJ102905.24+485515.2 20250525.502 <173C Hrm.VSOLJ SDSSJ113215.50+624900.4 20250525.491 <175C Hrm.VSOLJ SDSSJ113551.09+532246.2 20250525.512 <176C Hrm.VSOLJ SDSSJ114628.80+675909.7 20250525.483 <172C Hrm.VSOLJ SDSSJ115207.00+404947.8 20250525.517 <176C Hrm.VSOLJ SDSSJ120231.01+450349.1 20250525.513 <174C Hrm.VSOLJ TCPJ10203579+3103424 20250525.544 <173C Hrm.VSOLJ TCPJ10240289+4808512 20250525.505 <174C Hrm.VSOLJ TCPJ18154219+3515598 20250525.611 <174C Hrm.VSOLJ Wils_SDSSJ112003.40+663632.4 20250525.490 <173C Hrm.VSOLJ Observer's code: Hrm: Mitsutaka Hiraga

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[vsnet-obs 99025] CCD Obs May 25-26
by Gary Poyner 26 May '25

26 May '25

CCD Observations for May 25-26, 2025 Gary Poyner Birmingham England Email garypoyner(a)gmail.com www.variablestars.co.uk Slooh Canary 2 STAR UT MAG CrB T 26.0382 10.29TG Cyg V1504 26.1944 <17.00C Cyg V503 26.1979 <16.80C OJ287 25.8951 15.85C UMa SW 25.9056 9.87C active UMi SS 26.0833 16.49C End

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[vsnet-obs 99024] VSOLJ observations
by Taichi Kato 26 May '25

26 May '25

mail vsnet-obs VS observations Observations by VSOLJ members object YYYYMMDD(UT) mag code BOOTT 20250525.54164 <173C Myy.VSOLJ BOOCR 20250525.53477 163C Myy.VSOLJ BOOHW 20250525.53579 141C Myy.VSOLJ BOONZ 20250525.53939 <154C Myy.VSOLJ COMAL 20250525.55922 <172C Myy.VSOLJ CRBT 20250525.52321 10.20cG Tbo.VSOLJ CRBT 20250525.52400 10.19cG Tbo.VSOLJ CRBT 20250525.52483 10.19cG Tbo.VSOLJ CRBT 20250525.52584 10.20cG Tbo.VSOLJ CRBT 20250525.53163 9.98V Myy.VSOLJ CRBT 20250525.678 100cG Knk.VSOLJ CRBZ 20250525.678 94cG Knk.VSOLJ CRBRU 20250525.678 98cG Knk.VSOLJ CRBTT 20250525.678 111cG Knk.VSOLJ CRBBT 20250525.54053 <163C Myy.VSOLJ CYGRS 20250525.687 89cG Knk.VSOLJ CYGRW 20250525.688 91cG Knk.VSOLJ CYGRY 20250525.686 96cG Knk.VSOLJ CYGTY 20250525.683 120:cG Knk.VSOLJ CYGWX 20250525.687 103cG Knk.VSOLJ CYGAA 20250525.686 90cG Knk.VSOLJ CYGAH 20250525.688 101cG Knk.VSOLJ CYGAV 20250525.683 106cG Knk.VSOLJ CYGAY 20250525.688 113:cG Knk.VSOLJ CYGBC 20250525.687 88cG Knk.VSOLJ CYGBF 20250525.683 106cG Knk.VSOLJ CYGBG 20250525.683 101cG Knk.VSOLJ CYGBI 20250525.686 98cG Knk.VSOLJ CYGDR 20250525.688 100cG Knk.VSOLJ CYGEH 20250525.683 120:cG Knk.VSOLJ CYGEM 20250525.683 124:cG Knk.VSOLJ CYGES 20250525.683 118:cG Knk.VSOLJ CYGEW 20250525.683 123:cG Knk.VSOLJ CYGFF 20250525.688 117:cG Knk.VSOLJ CYGFH 20250525.683 120:cG Knk.VSOLJ CYGFU 20250525.685 122:cG Knk.VSOLJ CYGGN 20250525.688 105cG Knk.VSOLJ CYGHV 20250525.683 114cG Knk.VSOLJ CYGIQ 20250525.686 118:cG Knk.VSOLJ CYGIT 20250525.686 107cG Knk.VSOLJ CYGKM 20250525.686 117:cG Knk.VSOLJ CYGKY 20250525.688 109cG Knk.VSOLJ CYGNO 20250525.686 119:cG Knk.VSOLJ CYGPU 20250525.687 118:cG Knk.VSOLJ CYGQZ 20250525.687 104cG Knk.VSOLJ CYGV427 20250525.687 112cG Knk.VSOLJ CYGV429 20250525.686 111cG Knk.VSOLJ CYGV432 20250525.687 119:cG Knk.VSOLJ CYGV440 20250525.688 104cG Knk.VSOLJ CYGV482 20250525.686 112cG Knk.VSOLJ CYGV487 20250525.686 100cG Knk.VSOLJ CYGV923 20250525.683 122:cG Knk.VSOLJ CYGV999 20250525.683 115:cG Knk.VSOLJ CYGV1016 20250525.688 119:cG Knk.VSOLJ CYGV1152 20250525.686 117:cG Knk.VSOLJ CYGV1163 20250525.686 97cG Knk.VSOLJ CYGV1172 20250525.686 114:cG Knk.VSOLJ CYGV1173 20250525.686 111cG Knk.VSOLJ CYGV1183 20250525.687 101cG Knk.VSOLJ CYGV1319 20250525.688 108cG Knk.VSOLJ CYGV1353 20250525.686 103cG Knk.VSOLJ CYGV1387 20250525.688 117:cG Knk.VSOLJ CYGV1393 20250525.688 108cG Knk.VSOLJ CYGV1439 20250525.686 113cG Knk.VSOLJ CYGV1643 20250525.688 119:cG Knk.VSOLJ CYGV1742 20250525.683 105cG Knk.VSOLJ CYGV2218 20250525.686 115:cG Knk.VSOLJ CYGV3070 20250525.688 114:cG Knk.VSOLJ CYGchi 20250525.686 104cG Knk.VSOLJ HERRU 20250525.678 116cG Knk.VSOLJ HERNP 20250525.678 104cG Knk.VSOLJ LIBDZ 20250525.681 117:cG Knk.VSOLJ LIBV347 20250525.681 119:cG Knk.VSOLJ LIBV361 20250525.681 117:cG Knk.VSOLJ LYRS 20250525.683 105cG Knk.VSOLJ LYRX 20250525.683 94cG Knk.VSOLJ LYRTY 20250525.683 98cG Knk.VSOLJ LYREE 20250525.683 111cG Knk.VSOLJ LYROV 20250525.683 110cG Knk.VSOLJ LYRPX 20250525.683 119:cG Knk.VSOLJ LYRV378 20250525.683 119:cG Knk.VSOLJ OPHV2307 20250525.685 87cG Knk.VSOLJ SCOS 20250525.681 104cG Knk.VSOLJ SCOT 20250525.681 87cG Knk.VSOLJ SCOX 20250525.681 110cG Knk.VSOLJ SCOZ 20250525.681 90cG Knk.VSOLJ SCOYY 20250525.685 115:cG Knk.VSOLJ SCOZZ 20250525.685 113:cG Knk.VSOLJ SCOAX 20250525.685 87cG Knk.VSOLJ SCOV869 20250525.685 113:cG Knk.VSOLJ SCOV896 20250525.685 115:cG Knk.VSOLJ SCOV944 20250525.685 102cG Knk.VSOLJ SCOV1189 20250525.685 113:cG Knk.VSOLJ SCOV1194 20250525.685 111:cG Knk.VSOLJ SERNY 20250525.53799 153C Myy.VSOLJ SERQZ 20250525.53878 <167C Myy.VSOLJ SERV493 20250525.53657 145C Myy.VSOLJ VIRAA 20250525.53397 149C Myy.VSOLJ VIRHV 20250525.55772 <163C Myy.VSOLJ VULAG 20250525.683 118:cG Knk.VSOLJ VULAR 20250525.683 114cG Knk.VSOLJ VULHH 20250525.683 96cG Knk.VSOLJ VULIX 20250525.683 102cG Knk.VSOLJ VULV376 20250525.683 124:cG Knk.VSOLJ SDSSJ151500.56+191619.6 20250525.53730 <167C Myy.VSOLJ SN1964O 20250525.54234 <170C Myy.VSOLJ TCPJ13560585+3727068 20250525.54405 <149C Myy.VSOLJ Observer's code: Knk: Kazuyoshi Kanatsu Myy: Masayuki Moriyama Tbo: M. Tsuboi

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[vsnet-obs 99023] VS observations by Mhh (May 7-25)
by Hiroyuki Maehara 25 May '25

25 May '25

Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code BOOR 20250522.537 78 Mhh.VSOLJ CRBR 20250507.521 60 Mhh.VSOLJ CRBR 20250513.469 60 Mhh.VSOLJ CRBR 20250514.533 60 Mhh.VSOLJ CRBR 20250522.534 59 Mhh.VSOLJ CRBR 20250525.540 60 Mhh.VSOLJ CRBT 20250507.524 100 Mhh.VSOLJ CRBT 20250513.469 <71 Mhh.VSOLJ CRBT 20250514.535 <66 Mhh.VSOLJ CRBT 20250522.533 100 Mhh.VSOLJ CRBT 20250525.495 102 Mhh.VSOLJ DRADO 20250525.544 <146 Mhh.VSOLJ DRAKV 20250525.547 <148 Mhh.VSOLJ HERAH 20250525.551 129 Mhh.VSOLJ HERV592 20250525.550 <151 Mhh.VSOLJ UMABC 20250525.541 <149 Mhh.VSOLJ UMASW 20250525.497 96 Mhh.VSOLJ UMAV355 20250525.545 <150 Mhh.VSOLJ UMAZ 20250507.522 69 Mhh.VSOLJ UMAZ 20250522.535 67 Mhh.VSOLJ UMISS 20250525.549 <149 Mhh.VSOLJ UMIZ 20250525.547 122 Mhh.VSOLJ Observer: Hiroyuki Maehara (Okayama, Japan) Instruments: 30cmL, 5cmR, 4.2cmB(10x), 8cmR

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[vsnet-obs 99022] CCD Obs May 24-25
by Gary Poyner 25 May '25

25 May '25

CCD Observations for May 24-25, 2025 Gary Poyner Birmingham England Email garypoyner(a)gmail.com www.variablestars.co.uk Slooh Canary 2 STAR UT MAG Aql V1413 25.1694 10.63C CrB T 25.0382 10.31TG Cyg V1504 25.1944 <17.00C Cyg V503 25.1979 <16.80C Lyr V742 24.9264 17.14C OJ287 24.8993 15.93C UMi SS 25.0826 16.41C End

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[vsnet-obs 99021] VSOLJ observations
by Taichi Kato 25 May '25

25 May '25

mail vsnet-obs VS observations Observations by VSOLJ members object YYYYMMDD(UT) mag code BOOZ 20250507.601 105 Yde.VSOLJ CRAV394 20250320.823 <146C Ioh.VSOLJ CRAV394 20250321.831 <135C Ioh.VSOLJ CRAV394 20250322.822 <146C Ioh.VSOLJ CRAV394 20250323.826 <151C Ioh.VSOLJ CRBT 20250507.594 104 Yde.VSOLJ CRBT 20250522.608 106 Yde.VSOLJ HYAV748 20250318.469 17.49C Ioh.VSOLJ HYAV748 20250321.583 17.31C Ioh.VSOLJ OPHV2487 20250320.826 <160C Ioh.VSOLJ OPHV2487 20250322.826 <157C Ioh.VSOLJ OPHV2487 20250323.829 <160C Ioh.VSOLJ SGRV7991 20250320.837 11.62V Ioh.VSOLJ SGRV7991 20250320.838 11.76B Ioh.VSOLJ SGRV7991 20250323.832 11.69V Ioh.VSOLJ SGRV7991 20250323.833 12.25B Ioh.VSOLJ SGRV7992 20250320.834 12.10V Ioh.VSOLJ SGRV7992 20250320.835 11.80B Ioh.VSOLJ TCPJ07222683+6220548 20250314.478 18.00C Ioh.VSOLJ TCPJ07222683+6220548 20250321.569 18.53C Ioh.VSOLJ TCPJ14034008+7947313 20250318.491 16.56C Ioh.VSOLJ TCPJ14034008+7947313 20250321.601 <181C Ioh.VSOLJ TCPJ18050011-1130188 20250320.824 <170C Ioh.VSOLJ TCPJ20005674+1747256 20250322.833 <160C Ioh.VSOLJ Observer's code: Ioh: Hiroshi Itoh Yde: Hideki Yoshihara

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