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

[vsnet-obs 98626] Visual obs. 010225
by eddy muyllaert 02 Feb '25

02 Feb '25

Visual observations for February 1st 2025 Eddy Muyllaert Oostende Belgium eddy.muyllaert(a)gmail.com Instruments : C8 SCT Sequences : AAVSO Conditions : again very clear! Star UT Mag -------------------------------------- 1RXSJ063214.8+253620 20250201.8194 <14.1 ANDAR 20250201.7813 12.2 ACTIVE ANDDX 20250201.7951 <14.1 ANDFN 20250201.7972 <14.1 ANDHP 20250201.7958 <14.5 ANDIW 20250201.7965 <14.4 ANDLS 20250201.7958 <14.1 ANDLX 20250201.8035 <14.3 ANDPQ 20250201.8042 <14.3 ANDRX 20250201.7806 12.2 ACTIVE ANDV466 20250201.8028 <14.2 ANDZ 20250201.7785 10.9 ARIBB 20250201.8104 <14.2 ARISV 20250201.8132 <13.9 ASASSN-13DH 20250201.8125 <14.2 ASASSN-19AX 20250201.7799 12.9 ACTIVE AURSS 20250201.7861 12.9 ACTIVE BOOOV 20250201.9701 <13.9 BOOPP 20250201.9715 <13.9 BOOTT 20250201.9708 <13.8 BOOUZ 20250201.9729 <13.7 CAMAF 20250201.8097 <14.1 CAMHT 20250201.8465 <14.4 CAMV391 20250201.8042 <14.2 CAMZ 20250201.7917 10.5 ACTIVE CASGX 20250201.8056 <14.6 CASHT 20250201.8069 <14.3 CASKU 20250201.8076 <14.4 CASV1405 20250201.7778 13.2 CASV1409 20250201.8063 <14.3 CMAHL 20250201.8299 12.1 ACTIVE CMIDY 20250201.8417 <14.3 CMISV 20250201.8410 <14.4 CNCAT 20250201.8361 13.6 ACTIVE CNCCC 20250201.8375 <14.1 CNCDW 20250201.8326 <14.1 CNCEG 20250201.8368 <14.2 CNCGY 20250201.8389 <14.1 CNCKK 20250201.8347 <14.3 CNCLV 20250201.9549 <13.9 CNCSY 20250201.8382 12.5 ANOMALOUS OUTBURST CNCYZ 20250201.8354 12.0 ACTIVE COMAL 20250201.9681 <13.9 COMGO 20250201.9660 <14.2 COMIR 20250201.9674 <14.3 COMMT 20250201.9646 <13.9 CRBR 20250201.9826 6.0 CRBT 20250201.9840 10.1 DRAAB 20250201.7938 14.2 DRADO 20250201.8514 <14.3 ERIAQ 20250201.8257 <14.1 GEMAW 20250201.8208 <14.2 GEMCI 20250201.8188 <14.2 GEMIR 20250201.8201 <14.2 GEMU 20250201.8319 14.1 GEMV493 20250201.8222 <14.4 HS0218+3229 20250201.8021 <14.4 HYAV498 20250201.9521 <14.1 LEOHM 20250201.9556 <14.1 LEOIK 20250201.9576 <14.3 LEORZ 20250201.9618 <14.1 LEOU 20250201.9583 <14.2 LEOV357 20250201.9590 <14.1 LEOX 20250201.9542 <14.3 LMISX 20250201.9493 <14.2 LYNEQ 20250201.8431 <14.1 LYNEZ 20250201.8451 <14.5 LYNMS 20250201.8375 <14.3 MASTEROTJ042609.34+354144.8 20250201.8146 <14.2 MONCW 20250201.8278 <13.9 MONV616 20250201.8285 <13.8 NSV4168 20250201.7931 <14.4 ORICN 20250201.8271 <14.2 ORICZ 20250201.7882 12.3 ACTIVE ORIV1159 20250201.8264 <14.0 ORIV2828 20250201.8181 <14.1 ORIV344 20250201.8174 <14.1 ORIV650 20250201.8243 <14.4 PERAX 20250201.7833 11.6 PERDY 20250201.7847 13.3 PERFO 20250201.7903 14.3 ACTIVE PERGK 20250201.7854 13.0 PERKT 20250201.7826 13.7 ACTIVE PERPY 20250201.8097 <14.1 PERQY 20250201.7896 14.3 ACTIVE PERTZ 20250201.7840 13.3 STANDSTILL? PERUV 20250201.8090 <14.5 PERUW 20250201.8090 <14.2 PERV1024 20250201.8111 <14.1 PERV518 20250201.8139 <14.2 PNVJ06483343+0656236 20250201.8313 11.9 ACTIVE PSCFL 20250201.8007 <14.1 PSCLW 20250201.7993 <14.3 PSCTY 20250201.7986 <14.4 SDSSJ074716.81+424849.0 20250201.8438 <14.5 SDSSJ090403.48+035501.2 20250201.9528 <14.1 SDSSJ102905.24+485515.2 20250201.9444 <14.1 SEXVZ 20250201.9563 <14.3 TAURR 20250201.7868 11.7 TAUSU 20250201.7875 9.8 TCPJ05002724+1334199 20250201.8167 <14.5 UMABC 20250201.9465 <14.2 UMABZ 20250201.8479 <14.0 UMACH 20250201.8507 <14.3 UMACY 20250201.9451 <14.1 UMAEL 20250201.9486 <14.0 UMAER 20250201.8500 12.9 ACTIVE UMAIY 20250201.9458 <14.3 UMAKV 20250201.9472 <14.3 UMAMR 20250201.9479 <14.4 UMASU 20250201.8472 14.5 UMASW 20250201.8493 <14.6 UMAV355 20250201.9507 <14.1 VIRQZ 20250201.9611 <14.1 VIRTW 20250201.9625 <13.7

1 0

[vsnet-obs 98625] 677 observations - Destellos
by adolfodarriba＠observatoriolascasqueras.es 02 Feb '25

02 Feb '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 ------ ------------- ----- ---- --- --------------- PKS 0048-09 20250201.7825 15.78V 0.01 DAM AAVSO 15104HT S2 0109+224 20250201.7942 14.10V 0.01 DAM AAVSO X15340AIY QSO B1749+701 20250201.8049 14.88V 0.01 DAM AAVSO 15070DY 1RXS J190910.3+665222 20250201.8184 16.60V 0.02 DAM AAVSO UCAC4 1ES 1959+65 20250201.8341 14.33V 0.01 DAM AAVSO 15080CW 3C 390.3 20250201.8477 14.84V 0.01 DAM AAVSO 15141CT S5 2007+77 20250201.862 16.44V 0.03 DAM AAVSO 15080DI 4C 74.26 20250201.8752 14.69V 0.00 DAM AAVSO X24023CI 4C 31.03 20250201.8873 17.85V 0.04 DAM AAVSO X28443APG 4C 28.07 20250201.8984 18.27V 0.05 DAM AAVSO UCAC4 1H 0323+342 20250201.9108 15.19V 0.01 DAM AAVSO X16253BPE QSO B0506+056 20250201.9256 15.48V 0.02 DAM AAVSO X16696WB OI 090.4 20250201.9396 15.86V 0.01 DAM AAVSO UCAC4 S4 0954+65 20250201.9523 14.90V 0.01 DAM AAVSO X27886TQ AU CVN 20250201.9649 13.85V 0.01 DAM AAVSO X37796AQ OJ 287 20250201.9788 16.68V 0.01 DAM AAVSO X15649LOX 1ES 1011+496 20250201.9936 15.45V 0.01 DAM AAVSO X27451ALW B2 1147+24 20250202.0072 16.51V 0.02 DAM AAVSO X27560ACD 4C 29.45 20250202.0177 15.83V 0.01 DAM AAVSO X36423VD NSV 19409 20250202.0281 15.50V 0.01 DAM AAVSO X28521DX QSO B1420+326 20250202.0383 17.20V 0.03 DAM AAVSO UCAC4 OQ 530 20250202.0473 15.77V 0.02 DAM AAVSO 15106PX HS 0624+6907 20250202.0598 14.49V 0.01 DAM AAVSO X16696WE PKS 0735+178 20250202.0727 15.86V 0.02 DAM AAVSO X15614H PKS 0736+01 20250202.0838 15.76V 0.01 DAM AAVSO UCAC4 1ES 0647+25.0 20250202.0969 16.46V 0.06 DAM AAVSO X15437BKU TXS 0917+624 20250202.1095 18.34V 0.08 DAM AAVSO X23998DR QSO B1215+303 20250202.1235 15.16V 0.01 DAM AAVSO X28521CW QSO B1255+356 20250202.1336 17.00V 0.03 DAM AAVSO GSC2.3 QSO B1553+113 20250202.1445 14.20V 0.01 DAM AAVSO X15624CPK QSO B1803+6737 20250202.1611 16.13V 0.03 DAM AAVSO X15363DR

1 0

[vsnet-obs 98624] CCD Obs Feb 1-2
by Gary Poyner 02 Feb '25

02 Feb '25

CCD Observations for February 1-2 2025 Gary Poyner Birmingham England Email garypoyner(a)gmail.com www.variablestars.co.uk Slooh Chile 2 and AAVSOnet MPO-61 STAR UT MAG Boo HW 1.4153 17.85V Cen MU 2.2424 12.95V active Her V884 1.0500 14.76V MASTER OT J085602.92-710244.7 2.2354 <16.20V Men TU 2.2146 12.41V active OJ287 1.3417 17.30B OJ287 1.3465 16.81V OJ287 1.3500 16.39R OJ287 2.2111 16.60C Vol SY 2.2354 <16.20V End

1 0

[vsnet-obs 98623] BG CMi 20250201 CV 60707.9804 - 60708.0706
by pnelson＠aussiebb.com.au 02 Feb '25

02 Feb '25

Target BG CMi Date 20250201 Times UT 11:13 - 13:34 UT Telescope Planewave 12.5 Camera STT3200 Filter CV Exposure 90s Chip temp -30C Stdev K 0.01 some haze then cloud Comments Seeing = 3.0 arc". Observatory Lockwood South, Victoria, Australia

1 0

[vsnet-obs 98622] VSOLJ observations
by Taichi Kato 02 Feb '25

02 Feb '25

mail vsnet-obs VS observations Observations by VSOLJ members object YYYYMMDD(UT) mag code AURRW 20250131.689 125 Onr.VSOLJ AURKR 20250131.601 <140 Onr.VSOLJ CAMZ 20250131.694 133 Onr.VSOLJ CAMTW 20250131.692 101 Onr.VSOLJ CMIV 20250131.673 81 Onr.VSOLJ CNCSY 20250131.683 123 Onr.VSOLJ CNCKO 20250131.681 109 Onr.VSOLJ CRBT 20250131.68542 11.144B San.VSOLJ CRBT 20250131.68568 10.064V San.VSOLJ CRBT 20250131.68594 8.896Rc San.VSOLJ GEMU 20250131.679 138 Onr.VSOLJ GEMSS 20250131.675 85 Onr.VSOLJ GEMSU 20250131.677 111 Onr.VSOLJ LEOR 20250131.699 55 Onr.VSOLJ LEOX 20250131.703 <138 Onr.VSOLJ LYNR 20250131.647 105 Onr.VSOLJ LYNS 20250131.649 107 Onr.VSOLJ LYNT 20250131.655 101 Onr.VSOLJ LYNU 20250131.650 124 Onr.VSOLJ LYNV 20250131.652 99 Onr.VSOLJ LYNW 20250131.660 <144 Onr.VSOLJ LYNX 20250131.664 <140 Onr.VSOLJ MONU 20250131.643 61 Onr.VSOLJ SGRV1988 20250201.34969 13.00V Fnm.VSOLJ SGRV1988 20250201.35041 10.57Rc Fnm.VSOLJ SGRV1988 20250201.35087 8.21Ic Fnm.VSOLJ ASASSN-14hv 20250201.16606 <181C Fnm.VSOLJ ASASSN-15eo 20250201.16292 <178C Fnm.VSOLJ MASTER_OT_J071056.91-421526.0 20250201.16959 <182C Fnm.VSOLJ SN2024abfl 20250131.66679 16.861C San.VSOLJ SN2024abfl 20250201.40550 16.878C San.VSOLJ SN2024aeee 20250131.64515 17.090B San.VSOLJ SN2024aeee 20250131.64622 16.189V San.VSOLJ SN2024aeee 20250131.64729 15.676Rc San.VSOLJ SN2024aeee 20250131.64836 15.423Ic San.VSOLJ TCPJ07222683+6220548 20250131.61565 17.887V San.VSOLJ TCPJ07222683+6220548 20250131.61671 17.454Rc San.VSOLJ TCPJ07222683+6220548 20250131.61778 17.102Ic San.VSOLJ TCPJ07222683+6220548 20250131.61885 17.852B San.VSOLJ TCPJ17590439-3601111 20250201.34635 10.61V Fnm.VSOLJ TCPJ17590439-3601111 20250201.34725 9.98Rc Fnm.VSOLJ TCPJ17590439-3601111 20250201.34795 9.60Ic Fnm.VSOLJ TCPJ18265456-2719122 20250201.34969 10.62V Fnm.VSOLJ TCPJ18265456-2719122 20250201.35041 9.67Rc Fnm.VSOLJ TCPJ18265456-2719122 20250201.35087 9.24Ic Fnm.VSOLJ Observer's code: Fnm: Masao Funada Onr: Takuichiro Onishi San: Yasuo Sano

1 0

[vsnet-obs 98621] Visual obs. 310125
by eddy muyllaert 01 Feb '25

01 Feb '25

Visual observations for January 31st 2025 Eddy Muyllaert Oostende Belgium eddy.muyllaert(a)gmail.com Instruments : C8 SCT Sequences : AAVSO Conditions : very clear Star UT Mag -------------------------------------- 1RXSJ063214.8+253620 20250131.8083 <14.1 ANDAR 20250131.7722 12.4 ACTIVE ANDDX 20250131.7826 <14.1 ANDFN 20250131.7854 <14.1 ANDHP 20250131.7840 <14.5 ANDIW 20250131.7847 <14.4 ANDLS 20250131.7833 <14.1 ANDLX 20250131.7903 <14.3 ANDPQ 20250131.7910 <14.3 ANDRX 20250131.7701 11.7 ACTIVE ANDV466 20250131.7896 <14.2 ANDZ 20250131.7681 10.9 ARIBB 20250131.8000 <14.2 ARISV 20250131.8035 <13.9 ASASSN-13DH 20250131.8028 <14.2 ASASSN-19AX 20250131.7694 13.1 ACTIVE AURSS 20250131.7757 12.4 ACTIVE CAMAF 20250131.7972 <14.1 CAMHT 20250131.8326 <14.4 CAMV391 20250131.8319 <14.2 CAMZ 20250131.7799 12.2 RISING CASGX 20250131.7931 <14.6 CASHT 20250131.7944 <14.3 CASKU 20250131.7951 <14.4 CASV1405 20250131.7674 13.1 CASV1409 20250131.7938 <14.3 CMAHL 20250131.8201 11.8 ACTIVE CMIDY 20250131.8278 <14.3 CMISV 20250131.8271 <14.4 CNCAT 20250131.8229 13.6 ACTIVE CNCCC 20250131.8292 <14.1 CNCDW 20250131.8250 <14.1 CNCEG 20250131.8236 <14.2 CNCGY 20250131.8306 <14.1 CNCLV 20250131.9250 <13.9 CNCSY 20250131.8299 12.6 ACTIVE CNCYZ 20250131.8222 11.9 ACTIVE DRAAB 20250131.7813 14.2 DRADO 20250131.8410 <14.3 ERIAQ 20250131.8160 <14.1 GEMAW 20250131.8097 <14.2 GEMCI 20250131.8076 <14.2 GEMIR 20250131.8090 <14.2 GEMU 20250131.8104 14.1 GEMV493 20250131.8118 <14.4 HS0218+3229 20250131.7889 <14.4 HYAV498 20250131.9222 <14.1 LEOHM 20250131.9264 <14.1 LEOIK 20250131.9292 <14.3 LEOU 20250131.9299 <14.2 LEOV357 20250131.9306 <14.1 LEOX 20250131.9243 <14.3 LMISX 20250131.9208 <14.2 LYNEQ 20250131.8354 <14.1 LYNEZ 20250131.8375 <14.5 LYNMS 20250131.8243 <14.3 MASTEROTJ042609.34+354144.8 20250131.8056 <14.2 MONCW 20250131.8181 <13.9 MONV616 20250131.8188 <13.8 NSV4168 20250131.8424 <14.4 ORICN 20250131.8174 <14.2 ORICZ 20250131.7785 12.3 ACTIVE ORIV1159 20250131.8167 <14.0 ORIV2828 20250131.8069 <14.1 ORIV344 20250131.8063 <14.1 PERAX 20250131.7715 11.6 PERDY 20250131.7743 13.3 PERFO 20250131.8014 13.8 ACTIVE PERGK 20250131.7729 13.0 PERKT 20250131.7708 13.0 ACTIVE PERPY 20250131.7993 <14.1 PERQY 20250131.7986 14.2 ACTIVE PERTZ 20250131.7736 13.4 ACTIVE PERUV 20250131.7958 <14.5 PERUW 20250131.7965 <14.2 PERV1024 20250131.8007 <14.1 PERV518 20250131.8049 <14.2 PNVJ06483343+0656236 20250131.8132 11.9 ACTIVE PSCLW 20250131.7875 <14.3 PSCTY 20250131.7868 <14.4 SDSSJ074716.81+424849.0 20250131.8361 <14.5 SDSSJ090403.48+035501.2 20250131.9229 <14.1 SDSSJ102905.24+485515.2 20250131.9146 <14.1 SEXVZ 20250131.9278 <14.3 TAURR 20250131.7771 12.3 TAUSU 20250131.7778 9.8 UMABC 20250131.9160 <14.2 UMABZ 20250131.8347 <14.0 UMACH 20250131.8403 <14.3 UMACY 20250131.9132 <14.1 UMAEL 20250131.9194 <14.0 UMAER 20250131.8396 12.7 ACTIVE UMAIY 20250131.9153 <14.3 UMAKV 20250131.9174 <14.3 UMAMR 20250131.9188 <14.4 UMASU 20250131.8340 14.4 UMASW 20250131.8389 <14.6

1 0

[vsnet-obs 98620] KWe CCD Obs 20250131
by Klaus Wenzel 01 Feb '25

01 Feb '25

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 PNV J06483343+0656236 20250131.802 11.9CV KWe ASASSN-24fw 20250131.806 17.05CV KWe AGN 3C382 20250131.231 15.0CV KWe S50716+71 20250131.860 13.85CV KWe Klaus Wenzel

1 0

[vsnet-obs 98619] VS Obs Jan 31
by Gary Poyner 01 Feb '25

01 Feb '25

Selected visual observations for January 31 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 Some breaks after midnight. Star UT Mag Aur AB 31.0188 7.3 Aur KR 31.0181 14.9 Aur SS 31.0167 12.1 active Cam Z 31.0694 13.3 Cas V1405 31.0014 13.1 Cnc AT 31.0847 13.7 Cnc DW 31.0896 14.7 Cnc SY 31.0861 12.7 active Cnc YZ 31.0840 11.8 active Dra AB 31.0771 14.0 Dra DO 31.0708 15.0 Gem U 31.0639 14.1 Mark 421 31.1014 13.2 Ori CZ 31.0382 12.3 active Per DY 31.0090 13.3 Per FO 31.0083 13.8 active Per GK 31.0021 13.1 Per QY 31.0028 14.2 active Per TZ 31.0097 13.4 active Tau DN 31.0236 12.3 Tau DR 31.0222 12.3 Tau RR 31.0243 12.3 Tau RY 31.0229 10.4 Tau SU 31.0264 9.9 Tau T 31.0208 11.4 Tau V1434 31.0257 14.8 active Tau VY 31.0215 13.5 UMa CH 31.0917 14.9 UMa ER 31.1021 12.9 Outburst UMa SU 31.0938 14.2 UMi Z 31.0764 14.9 End

1 0

[vsnet-obs 98618] PEP observations by BVE for January 31, 2025
by Erwin van Ballegoij 01 Feb '25

01 Feb '25

Obs. : Erwin van Ballegoij, Heesch, the Netherlands Instr. : 10" f/6.3 Meade LX200, SSP-3 Solid-State Photometer with Johnson B- or V-filter or Cousins R- or I-filter e-mail : aavso.id.bve(a)home.nl all used sequences: AAVSO, unless otherwise noted star date [UT] magn. Obs Remarks ---------- -------------- -------- --- ------- AURepsilon 20250131.9782 2.990V BVE ±0.008 AURepsilon 20250131.9789 3.573B BVE ±0.001 CASV509 20250131.7914 5.299V BVE ±0.008 CASV509 20250131.7922 6.200B BVE ±0.004 CASV509 20250131.8232 4.771R BVE ±0.003 CASV509 20250131.8239 4.217I BVE ±0.007 CASV566 20250131.8758 5.431V BVE ±0.008 CASrho 20250131.7892 4.408V BVE ±0.009 CASrho 20250131.7897 5.576B BVE ±0.007 CASrho 20250131.8209 3.809R BVE ±0.002 CASrho 20250131.8215 3.238I BVE ±0.006 CEPmu 20250131.8509 4.172V BVE ±0.007 CEPmu 20250131.8516 6.317B BVE ±0.005 ORIalfa 20250131.9606 0.538V BVE ±0.005 ---------- -------------- -------- --- -------

1 0

[vsnet-obs 98617] BG CMi 20250130 CV 60704.9830 - 60705.1717
by pnelson＠aussiebb.com.au 01 Feb '25

01 Feb '25

Target BG CMi Date 20250129 Times UT 11:34 - 16:06 UT Telescope Planewave 12.5 Camera STT3200 Filter CV Exposure 90s Chip temp -30C Stdev K 0.03 poor seeing Comments Seeing = 3.0 arc". Observatory Lockwood South, Victoria, Australia

1 0