May 2026 - vsnet-obs - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-obs 99850] bmm20260525-26
by Marc Biesmans 26 May '26

26 May '26

Observer: Marc Biesmans, Essen, Belgium Initials: BMM Internet: marcbiesmans(a)yahoo.com Instruments: Celestron CPC925, 235 mm f/10 Schmidt-Cassegrain on CPC forkmount on wedge (SC 235) + TS 60 mm f/6 apo refractor (R 60) All charts and sequences: BMM Visual observations for May 25/26, 2026 All times: UT Date(UT) Star Magn. Comp.stars Chart info Power Aperture Seq. photometry LPV 20260525.9 Boo Z <13.7 BMM 137 D120701 261 x SC 235 CCDV APASS 20260525.9 CrB S 10.3 BMM 101-106 B110501 59 x SC 235 TASS-V + CCDV Henden 20260526.0 Her AE 14.0 BMM 138-142 E080805 294 x SC 235 ASAS-3(V) + CCDV Henden 20260526.0 Her SV 13.8 BMM 134-140 E091017 261 x SC 235 ASAS-3(V) + CCDV Henden 20260526.0 Her VY 10.5 BMM 101-106 C120326 59 x SC 235 ASAS-3(V) + CCDV APASS 20260526.0 Lyr RX <14.2 BMM 142 E090210 294 x SC 235 TASS-V + CCDV Henden 20260526.0 Lyr RY 13.2 BMM 130-136 E181204 181 x SC 235 TASS-V + CCDV APASS 20260526.0 Oph V970 <14.3 BMM 143 D130402 294 x SC 235 ASAS-3(V) + CCDV APASS Regards, Marc

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[vsnet-obs 99849] visual observations
by Pavol A. Dubovsky 26 May '26

26 May '26

CYGV1363 20260526.115 <15.8 DPV CRBVW 20260526.131 <15.9 DPV HERYY 20260526.131 12.88 DPV HERV844 20260526.126 <16.3 DPV HERV660 20260526.129 <16.1 DPV HERPR 20260526.128 <15.7 DPV UMISS 20260526.117 <16.0 DPV DRAES 20260526.119 15.03 DPV ACTIVE HERV1108 20260526.144 <15.5 DPV LYRCY 20260526.143 <15.6 DPV LYRMV 20260526.114 12.50 DPV CYGV1113 20260526.110 <15.5 DPV CYGV2176 20260526.111 <15.8 DPV CYGV840 20260526.093 9.88 DPV CYGBF 20260526.094 11.03 DPV CYGV482 20260526.097 12.71 DPV CYGV441 20260526.099 9.66 DPV CYGV404 20260526.107 <16.1 DPV CYGQ 20260526.103 14.97 DPV CYGSS 20260526.101 11.90 DPV CYGV1805 20260526.099 10.29 DPV OPHRS 20260526.086 10.91 DPV AQLV1413 20260526.137 11.10 DPV SCODEL 20260526.144 1.77 DPV CEPDEL 20260526.142 3.90 DPV DRADM 20260526.118 <16.0 DPV CYGV503 20260526.109 14.30 DPV OUTBURST CEPV730 20260526.126 13.65 DPV CASV1405 20260526.124 13.07 DPV CRBT 20260526.089 10.35 DPV ASASSN-17cf 20260526.140 15.72 DPV : CYGV1504 20260526.110 <15.9 DPV CYGV1742 20260526.092 10.38 DPV CYGV1329 20260526.106 13.98 DPV HERAM 20260526.121 13.28 DPV DRADV 20260526.122 <15.5 DPV DRAKV 20260526.120 <15.7 DPV AQLETA 20260526.146 3.92 DPV DELCM 20260526.135 16.02 DPV FAINT HERAH 20260526.087 12.63 DPV OPHV426 20260526.090 12.50 DPV CYGV2037 20260526.100 11.53 DPV CYGCI 20260526.098 10.91 DPV ANDZ 20260526.083 10.51 DPV LACBL 20260526.104 14.77 DPV CYGV1454 20260526.116 <15.8 DPV HERV592 20260526.127 <15.6 DPV DRAAG 20260526.079 9.73 DPV UMIZ 20260526.081 11.42 DPV CASUY 20260526.082 10.55 DPV CYGV751 20260526.108 14.30 DPV AQRAE 20260526.085 11.13 DPV HERHZ 20260526.087 13.35 DPV CYGV1028 20260526.113 <15.6 DPV -- Pavol A. Dubovsky Variable Star Section, Slovak Astronomical Society and Slovak Union of Astronomers var.kozmos.sk www.bombol.space -- Observatory: Piconcillo, Andalucia, Spain Telescopes: "ARDILLA" Skywatcher Newton on Dobson mount, 400/1800 mm

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[vsnet-obs 99848] 752, 753 observations - Destellos
by adolfodarriba＠observatoriolascasqueras.es 26 May '26

26 May '26

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 ------ ------------- ----- ---- --- --------------- OI 090.4 20260522.8725 15.83V 0.05 DAM AAVSO UCAC4 S4 0954+65 20260522.8834 15.77V 0.02 DAM AAVSO X27886TQ 1ES 0806+52.4 20260522.8962 15.46V 0.02 DAM AAVSO X15437BKQ 4C 29.45 20260522.9159 14.67V 0.01 DAM AAVSO X36423VD QSO B1420+326 20260522.9300 14.14V 0.01 DAM AAVSO UCAC4 AU CVN 20260522.9510 16.67V 0.02 DAM AAVSO X37796AQ 3C 345 20260522.9792 15.54V 0.01 DAM AAVSO X28542BJ QSO B1553+113 20260522.9983 14.69V 0.01 DAM AAVSO X15624CPK QSO B1749+701 20260523.0165 15.69V 0.01 DAM AAVSO 15070DY OT 081 20260523.0368 16.45V 0.02 DAM AAVSO 15080DF S5 2007+77 20260523.0523 16.72V 0.02 DAM AAVSO 15080DI 3C 390.3 20260523.0661 15.13V 0.01 DAM AAVSO 15141CT 1RXS J190910.3+665222 20260523.0811 16.81V 0.01 DAM AAVSO UCAC4 1ES 1959+65 20260523.0916 15.05V 0.01 DAM AAVSO 15080CW PKS 2254+074 20260523.1044 16.34V 0.02 DAM AAVSO X27483WD 3C 454.3 20260523.1147 16.14V 0.02 DAM AAVSO X15614W OQ 530 20260523.1290 16.12V 0.01 DAM AAVSO 15106PX OJ 287 20260523.8690 14.65V 0.03 DAM AAVSO X15649LOX S4 0954+65 20260523.8837 15.90V 0.02 DAM AAVSO X27886TQ 1ES 1011+496 20260523.9005 15.55V 0.05 DAM AAVSO X27451ALW QSO B1420+326 20260523.9403 13.92V 0.01 DAM AAVSO UCAC4 NSV 19409 20260523.9612 15.42V 0.02 DAM AAVSO X28521DX PKS 1510-089 20260523.9847 16.67V 0.06 DAM AAVSO 15070FM 4C 38.41 20260524.0088 18.31V 0.08 DAM AAVSO UCAC4 OT 355 20260524.0282 17.36V 0.02 DAM AAVSO APASS OT 081 20260524.0480 16.46V 0.03 DAM AAVSO 15080DF QSO B1803+6737 20260524.0635 16.42V 0.01 DAM AAVSO X15363DR 3C 371 20260524.0723 14.55V 0.01 DAM AAVSO X27483VX QSO B1749+701 20260524.0777 15.68V 0.01 DAM AAVSO 15070DY S5 2007+77 20260524.0920 16.72V 0.04 DAM AAVSO 15080DI PKS 2254+074 20260524.1199 16.21V 0.05 DAM AAVSO X27483WD

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[vsnet-obs 99846] KWe CCD Obs 20260522 - 23
by Klaus Wenzel 24 May '26

24 May '26

Obs: Klaus Wenzel Wenigumstadt (Germany) Bundesdeutsche Arbeitsgemeinschaft für Veränderliche Sterne (BAV) Instr.: 208/812mm Newton; CCD Obs e-mail: wenzel.qso(a)t-online.de <mailto:wenzel.qso@t-online.de> Object Date UT mag AT 2026nhs 20260522.873 16.25CV KWe SN 2026fov 20260523.049 14.7CV KWe Peg RU 20260523.045 12.4CV KWe Cyg SS 20260523.033 11.4CV KWe Vul TW 20260523.040 17.2CV KWe AGN CTA 102 20260523.053 17.0CV KWe Klaus Wenzel

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[vsnet-obs 99847] KWe Vis Obs T CrB 20260522
by Klaus Wenzel 24 May '26

24 May '26

Obs: Klaus Wenzel Wenigumstadt (Germany) Bundesdeutsche Arbeitsgemeinschaft für Veränderliche Sterne (BAV) Instr.: 317/1500mm Newton; e-mail: wenzel.qso(a)t-online.de <mailto:wenzel.qso@t-online.de> the observations are visual Object Date UT mag CrB T 20260522.878 10.5 KWe Klaus Wenzel

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[vsnet-obs 99845] visual observations
by Pavol A. Dubovsky 23 May '26

23 May '26

CYGV1454 20260523.128 <15.8 DPV CYGV1363 20260523.129 <15.8 DPV CYGCI 20260523.128 10.86 DPV CRBVW 20260523.135 <15.9 DPV HERYY 20260523.143 12.88 DPV HERV844 20260523.140 <15.6 DPV HERV592 20260523.137 <15.3 DPV HERHZ 20260523.139 13.30 DPV HERV660 20260523.142 <16.1 DPV HERPR 20260523.142 <15.7 DPV UMISS 20260523.148 <15.6 DPV CYGV1113 20260523.125 <15.5 DPV CYGV2176 20260523.126 <15.8 DPV CYGV1028 20260523.126 <15.6 DPV CYGBF 20260523.131 11.03 DPV CYGEM 20260523.130 13.40 DPV CYGV482 20260523.127 12.92 DPV CYGV404 20260523.122 <16.1 DPV CYGQ 20260523.119 14.79 DPV CYGSS 20260523.120 11.97 DPV LACBL 20260523.117 14.84 DPV OPHRS 20260523.058 10.84 DPV AQLCI 20260523.069 <15.8 DPV AQLV1413 20260523.076 11.00 DPV AQRAE 20260523.075 11.27 DPV SGEHM 20260523.080 12.82 DPV VULPU 20260523.086 12.57 DPV DELV339 20260523.092 <16.0 DPV SGEV 20260523.088 11.20 DPV SGEFG 20260523.094 <15.9 DPV SGERZ 20260523.099 <15.8 DPV SGEAW 20260523.101 <15.6 DPV DELHR 20260523.111 12.07 DPV DELHO 20260523.115 <16.0 DPV CEPDEL 20260523.149 3.94 DPV CYGV503 20260523.122 <16.0 DPV CYGV751 20260523.121 14.38 DPV CYGV2037 20260523.124 11.44 DPV CRBT 20260523.136 10.20 DPV OPHV380 20260523.060 14.43 DPV ASASSN-17cf 20260523.064 15.72 DPV ACTIVE AQLV603 20260523.065 11.87 DPV SGEQW 20260523.083 12.60 DPV CYGV1504 20260523.124 <15.9 DPV CYGV1329 20260523.123 14.03 DPV BOOTT 20260523.135 <16.0 DPV HERAM 20260523.144 13.11 DPV DRADV 20260523.145 <15.5 DPV VULVW 20260523.105 <15.7 DPV AQLETA 20260523.149 3.79 DPV AQLCZ 20260523.074 14.80 DPV DELCM 20260523.108 15.36 DPV FAINT BOOUZ 20260523.133 <15.9 DPV HERAH 20260523.138 12.70 DPV OPHV426 20260523.055 12.77 DPV SGEWZ 20260523.097 15.10 DPV ANDZ 20260523.116 10.51 DPV -- Pavol A. Dubovsky Variable Star Section, Slovak Astronomical Society and Slovak Union of Astronomers var.kozmos.sk www.bombol.space -- Observatory: Piconcillo, Andalucia, Spain Telescopes: "ARDILLA" Skywatcher Newton on Dobson mount, 400/1800 mm

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[vsnet-obs 99844] visual observations
by Pavol A. Dubovsky 22 May '26

22 May '26

CRBVW 20260521.909 <15.6 DPV BOOUZ 20260521.903 <14.4 DPV HERV844 20260521.911 <15.6 DPV HERV592 20260521.910 <15.3 DPV HERAH 20260521.910 12.82 DPV HERHZ 20260521.912 13.95 DPV HERV660 20260521.913 <15.2 DPV HERPR 20260521.914 <15.7 DPV UMISS 20260521.917 <15.6 DPV LEORZ 20260521.898 <14.7 DPV UMASW 20260521.873 <14.6 DPV UMAER 20260521.874 14.27 DPV DRADO 20260521.875 14.75 DPV UMACH 20260521.878 <14.3 DPV UMAIY 20260521.879 <14.7 DPV UMAKS 20260521.881 <14.9 DPV UMACY 20260521.882 <14.7 DPV UMABC 20260521.889 <15.5 DPV UMAKV 20260521.890 <15.5 DPV UMAMR 20260521.892 <15.3 DPV UMASU 20260521.909 14.53 DPV DRACP 20260521.876 14.90 DPV ACTIVE BOOCR 20260521.902 13.95 DPV CRBT 20260521.908 10.37 DPV CAMZ 20260521.866 11.75 DPV CAMHT 20260521.869 <16.0 DPV UMABZ 20260521.870 <14.7 DPV BOOTT 20260521.905 <15.7 DPV VIRQZ 20260521.897 <15.3 DPV HERAM 20260521.915 13.11 DPV DRADV 20260521.915 <15.5 DPV -- Pavol A. Dubovsky Variable Star Section, Slovak Astronomical Society and Slovak Union of Astronomers var.kozmos.sk www.bombol.space -- Observatory: Piconcillo, Andalucia, Spain Telescopes: "ARDILLA" Skywatcher Newton on Dobson mount, 400/1800 mm

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[vsnet-obs 99843] AAVSO report for TCP J15030519+2202041 on 2026-05-21 with ringset (FWHM_based - 5 - 7)_Created 2026-05-22 06-50-32
by magnus850＠gmail.com 22 May '26

22 May '26

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[vsnet-obs 99842] visual observations
by Pavol A. Dubovsky 21 May '26

21 May '26

CYGV1742 20260520.992 10.38 DPV CYGCI 20260520.998 10.83 DPV CRBR 20260521.083 5.93 DPV LEOX 20260520.905 14.88 DPV ACTIVE CRBVW 20260520.936 <15.9 DPV HERYY 20260520.941 12.88 DPV SERLX 20260520.932 14.77 DPV SERQZ 20260520.933 <15.4 DPV BOOUZ 20260520.927 <15.9 DPV BOOTT 20260520.928 <16.0 DPV HERV844 20260520.937 <15.6 DPV HERV592 20260520.938 <15.6 DPV HERAH 20260520.938 12.93 DPV HERHZ 20260520.939 13.00 DPV HERV660 20260520.940 <16.1 DPV HERPR 20260520.942 <15.7 DPV HERAM 20260520.942 13.11 DPV DRADV 20260520.944 <15.5 DPV UMIZ 20260520.959 11.42 DPV UMISS 20260520.961 <16.0 DPV DRADM 20260520.945 <16.0 DPV DRAES 20260520.947 16.20 DPV DRAAG 20260520.960 9.73 DPV DRAKV 20260520.949 <15.7 DPV DRAIX 20260520.951 <15.7 DPV SDSSpJ173008.38+624754.7 20260520.953 <16.0 DPV DRAAB 20260520.956 12.50 DPV ACTIVE HERV1108 20260520.971 <15.5 DPV LYRCY 20260520.969 14.50 DPV ACTIVE LYRDM 20260520.972 <15.7 DPV LYRAY 20260520.974 <15.7 DPV LYRV587 20260520.975 <15.7 DPV LYRV585 20260520.978 <15.8 DPV LYRMV 20260520.978 12.63 DPV DRAV529 20260520.965 <15.9 DPV CYGV1504 20260520.981 14.90 DPV OUTBURST CYGV1113 20260520.982 <15.5 DPV CYGV2176 20260520.983 <15.8 DPV CYGV1028 20260520.983 <15.6 DPV CYGV840 20260520.993 9.79 DPV CYGBF 20260520.994 11.03 DPV CYGEM 20260520.994 13.40 DPV CYGV1363 20260520.996 <15.8 DPV CYGV1454 20260520.997 <15.8 DPV CYGV482 20260520.999 13.18 DPV CYGV441 20260521.001 9.56 DPV CYGV404 20260521.003 <15.4 DPV CYGV1329 20260521.003 14.10 DPV CYGV503 20260520.999 <16.0 DPV CYGV751 20260521.001 14.38 DPV CYGV3101 20260521.009 <15.5 DPV CYGQ 20260521.010 14.74 DPV CYGSS 20260521.010 11.97 DPV CYGV632 20260521.090 <15.7 DPV CYGV630 20260521.097 <15.5 DPV CYGV1251 20260521.102 <15.7 DPV LACBL 20260521.086 14.58 DPV CYGV1805 20260521.005 10.71 DPV CYGV2037 20260521.006 11.74 DPV LMIRZ 20260520.901 15.75 DPV Mrk421 20260520.903 13.50 DPV VIRQZ 20260520.909 15.40 DPV ACTIVE LEORZ 20260520.910 <16.0 DPV 3C 273 20260520.913 13.34 DPV 3C 279 20260520.917 <15.2 DPV COMAL 20260520.924 <15.7 DPV OPHV426 20260521.028 12.80 DPV OPHRS 20260521.026 10.91 DPV AQLCI 20260521.042 <15.6 DPV AQLV1141 20260521.047 <15.6 DPV AQLV725 20260521.049 <15.9 DPV AQLKX 20260521.052 <15.4 DPV AQLV1413 20260521.055 11.08 DPV AQRAE 20260521.065 11.27 DPV SGEHM 20260521.106 12.63 DPV SGEQW 20260521.108 12.52 DPV VULPU 20260521.111 12.85 DPV DELV339 20260521.117 <16.0 DPV SGEV 20260521.115 11.00 DPV SGEFG 20260521.119 <15.1 DPV SGEWZ 20260521.124 15.07 DPV SGERZ 20260521.128 <15.8 DPV SGEAW 20260521.132 <15.6 DPV VULVW 20260521.134 14.60 DPV DELCM 20260521.140 15.30 DPV FAINT AQLETA 20260521.078 3.64 DPV CASRHO 20260521.081 4.44 DPV CEPDEL 20260521.080 3.90 DPV CRBTET 20260521.085 4.17 DPV CYGP 20260521.080 4.89 DPV ANDZ 20260521.087 10.55 DPV CAMHT 20260520.880 <16.0 DPV UMABZ 20260520.881 <15.6 DPV UMASW 20260520.881 <15.6 DPV UMADI 20260520.883 <15.5 DPV UMAER 20260520.884 14.20 DPV UMADV 20260520.885 <15.6 DPV DRADO 20260520.892 14.90 DPV UMACH 20260520.894 15.30 DPV UMAIY 20260520.896 <15.6 DPV UMAKS 20260520.897 <15.5 DPV UMACY 20260520.898 <15.5 DPV UMABC 20260520.899 <15.5 DPV UMAKV 20260520.899 <15.5 DPV UMAMR 20260520.900 <15.3 DPV UMASU 20260520.878 14.48 DPV DRACP 20260520.893 14.90 DPV ACTIVE BOOCR 20260520.926 13.97 DPV ACTIVE CRBT 20260520.935 10.35 DPV SERNY 20260520.931 <15.9 DPV OPHV380 20260521.069 14.30 DPV ASASSN-17cf 20260521.030 15.38 DPV ACTIVE AQLV603 20260521.035 11.87 DPV CAMZ 20260520.877 11.75 DPV AQLCZ 20260521.062 14.55 DPV -- Pavol A. Dubovsky Variable Star Section, Slovak Astronomical Society and Slovak Union of Astronomers var.kozmos.sk www.bombol.space -- Observatory: Piconcillo, Andalucia, Spain Telescopes: "ARDILLA" Skywatcher Newton on Dobson mount, 400/1800 mm

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[vsnet-obs 99841] visual observations
by Pavol A. Dubovsky 20 May '26

20 May '26

SERLX 20260519.922 14.83 DPV SERQZ 20260519.924 <16.0 DPV BOOUZ 20260519.914 <15.9 DPV BOOTT 20260519.913 <16.2 DPV HERV844 20260519.917 <15.6 DPV CRBVW 20260519.915 <15.9 DPV HERV592 20260519.925 <15.6 DPV HERAH 20260519.926 13.17 DPV HERHZ 20260519.926 13.43 DPV HERV660 20260519.928 <16.1 DPV HERYY 20260519.931 12.88 DPV HERPR 20260519.929 <15.7 DPV HERAM 20260519.932 13.28 DPV DRADV 20260519.933 <15.5 DPV UMISS 20260519.940 <16.0 DPV DRADM 20260519.935 <15.4 DPV DRAES 20260519.938 16.10 DPV DRAKV 20260519.939 <15.7 DPV LMIRZ 20260519.894 14.80 DPV OUTBURST Mrk421 20260519.896 13.55 DPV LEOX 20260519.891 13.97 DPV ACTIVE LEOAB 20260519.890 10.23 DPV VIRQZ 20260519.899 15.20 DPV ACTIVE LEORZ 20260519.901 <16.0 DPV 3C 273 20260519.902 13.23 DPV 3C 279 20260519.906 <15.9 DPV COMAL 20260519.908 <16.0 DPV CAMZ 20260519.867 11.68 DPV CAMHT 20260519.870 <16.0 DPV UMABZ 20260519.872 <15.6 DPV UMASW 20260519.872 <15.6 DPV UMADI 20260519.873 15.50 DPV UMAER 20260519.874 14.00 DPV ACTIVE UMADV 20260519.876 <15.6 DPV DRADO 20260519.877 14.60 DPV ACTIVE UMACH 20260519.880 15.40 DPV UMAIY 20260519.881 <15.6 DPV UMAKS 20260519.881 <16.0 DPV UMACY 20260519.882 <15.5 DPV UMABC 20260519.883 <15.5 DPV UMAKV 20260519.885 <15.5 DPV UMAMR 20260519.886 <15.9 DPV UMASU 20260519.869 14.53 DPV DRACP 20260519.878 14.80 DPV ACTIVE BOOCR 20260519.910 13.97 DPV ACTIVE CRBT 20260519.912 10.33 DPV SERNY 20260519.919 <15.9 DPV -- Pavol A. Dubovsky Variable Star Section, Slovak Astronomical Society and Slovak Union of Astronomers var.kozmos.sk www.bombol.space -- Observatory: Piconcillo, Andalucia, Spain Telescopes: "ARDILLA" Skywatcher Newton on Dobson mount, 400/1800 mm

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