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[vsnet-obs 99583] KWe CCD Obs 20251221
by Klaus Wenzel 23 Dec '25

23 Dec '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 AT 2025acsd 20251221.719 18.3CV KWe AT 2025abao 20251221.706 15.0CV KWe AGN S5 0716+71 20251221.721 14.3CV KWe Klaus Wenzel

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[vsnet-obs 99582] AAVSOnet CCD observations of AT 2025abao (Nova M31 2025-10a)
by Filipp Romanov 22 Dec '25

22 Dec '25

Observer: Filipp Romanov (AAVSO). Remotely using AAVSOnet MPO61 telescope (24" f/7.8 RCOS 610 RC at Madrona Peak Observatory). AT2025abao 20251220.20045 13.827z 0.025 AT2025abao 20251220.19799 14.036i 0.012 AT2025abao 20251220.19487 14.460r 0.010 AT2025abao 20251220.19106 15.609g 0.023 AT2025abao 20251220.18720 15.020V 0.056 AT2025abao 20251220.18321 16.400B 0.018 AT2025abao 20251220.17941 16.469B 0.024 AT2025abao 20251212.16866 13.916z 0.026 AT2025abao 20251212.16620 14.060i 0.022 AT2025abao 20251212.16308 14.476r 0.010 AT2025abao 20251212.15927 15.551g 0.021 AT2025abao 20251212.15541 15.013V 0.010 AT2025abao 20251212.15142 16.313B 0.048 AT2025abao 20251212.14757 16.328B 0.044 AT2025abao 20251211.21472 13.912z 0.020 AT2025abao 20251211.21226 14.084i 0.010 AT2025abao 20251211.20914 14.488r 0.010 AT2025abao 20251211.20533 15.550g 0.010 AT2025abao 20251211.20147 15.014V 0.010 AT2025abao 20251211.19748 16.175B 0.036 AT2025abao 20251211.19360 16.356B 0.024 AT2025abao 20251210.15635 13.954z 0.015 AT2025abao 20251210.15389 14.078i 0.018 AT2025abao 20251210.15077 14.497r 0.011 AT2025abao 20251210.14696 15.541g 0.009 AT2025abao 20251210.14310 15.021V 0.010 AT2025abao 20251210.13912 16.303B 0.064 AT2025abao 20251210.13525 16.331B 0.043 AT2025abao 20251209.14524 13.894z 0.019 AT2025abao 20251209.14278 14.094i 0.024 AT2025abao 20251209.13967 14.507r 0.005 AT2025abao 20251209.13586 15.541g 0.021 AT2025abao 20251209.13199 15.017V 0.014 AT2025abao 20251209.12795 16.291B 0.040 AT2025abao 20251209.12415 16.270B 0.028 AT2025abao 20251208.11008 13.891z 0.014 AT2025abao 20251208.10762 14.123i 0.019 AT2025abao 20251208.10450 14.509r 0.007 AT2025abao 20251208.10069 15.546g 0.016 AT2025abao 20251208.09684 15.021V 0.010 AT2025abao 20251208.09285 16.232B 0.076 AT2025abao 20251208.08856 16.269B 0.047 AT2025abao 20251207.28719 13.994z 0.019 AT2025abao 20251207.28473 14.130i 0.010 AT2025abao 20251207.28161 14.522r 0.006 AT2025abao 20251207.27780 15.538g 0.017 AT2025abao 20251207.27394 15.021V 0.024 AT2025abao 20251207.26996 16.261B 0.056 AT2025abao 20251207.26616 16.338B 0.102

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[vsnet-obs 99581] Visual obs. 191225
by eddy muyllaert 20 Dec '25

20 Dec '25

Visual observations for December 19th 2025 Eddy Muyllaert Oostende Belgium eddy.muyllaert(a)gmail.com Instruments : C8 SCT Sequences : AAVSO Conditions : very clear! Star UT Mag -------------------------------------- 1RXSJ063214.8+253620 20251219.9097 <14.1 ANDAR 20251219.7910 12.4 ACTIVE ANDDX 20251219.7847 <14.5 ANDFN 20251219.7875 <14.1 ANDHP 20251219.7861 <14.5 ANDIW 20251219.7868 <14.4 ANDLL 20251219.7903 <14.6 ANDLS 20251219.7861 <14.1 ANDLX 20251219.7938 <14.3 ANDPQ 20251219.7938 <14.3 ANDRX 20251219.7417 12.6 ACTIVE ANDV466 20251219.7931 <14.2 ANDZ 20251219.7410 10.8 AQREG 20251219.7806 <14.1 AQRVY 20251219.7493 <13.6 AQRVZ 20251219.7486 <13.4 ARIBB 20251219.8028 <14.2 ARISV 20251219.8049 <13.9 ASASSN-13DH 20251219.8042 <14.2 ASASSN-19AX 20251219.7854 <14.2 ASASSN-19SK 20251219.7750 <14.3 AURSS 20251219.8896 14.3 CAMAF 20251219.7993 <14.1 CAMHT 20251219.8868 <14.4 CAMV391 20251219.8903 <14.2 CAMZ 20251219.7458 10.8 ACTIVE CASGX 20251219.7965 <14.6 CASHT 20251219.7972 <14.3 CASKU 20251219.7979 <14.4 CASV1405 20251219.7451 13.1 CASV1409 20251219.7951 <14.3 CETWW 20251219.7819 13.7 CMAHL 20251219.9049 <13.0 CMIDY 20251219.9063 <14.0 CMISV 20251219.9056 <13.9 CNCAT 20251219.9167 12.8 ACTIVE CNCCC 20251219.9188 <14.1 CNCDW 20251219.9201 <14.1 CNCEG 20251219.9174 <14.2 CNCSY 20251219.9194 11.3 ACTIVE CNCYZ 20251219.9160 13.7 OUTBURST CYGCH 20251219.7361 8.5 CYGCI 20251219.7382 10.8 CYGEY 20251219.7590 <14.1 CYGSS 20251219.7375 10.8 RISING CYGV1006 20251219.7535 <14.2 CYGV1028 20251219.7556 <14.4 CYGV1060 20251219.7639 <14.3 CYGV1113 20251219.7507 <14.0 CYGV1251 20251219.7667 <14.4 CYGV1330 20251219.7646 <14.4 CYGV1363 20251219.7597 <14.2 CYGV2176 20251219.7521 <14.3 CYGV3010 20251219.7653 <14.4 CYGV404 20251219.7604 <14.1 CYGV482 20251219.7396 13.0 CYGV503 20251219.7625 <14.2 CYGV516 20251219.7632 14.0 OUTBURST CYGV542 20251219.7528 <14.3 CYGV630 20251219.7674 <14.1 CYGV632 20251219.7674 <14.3 CYGV795 20251219.7569 <14.0 CYGV811 20251219.7583 <14.3 DRAAB 20251219.7472 13.3 OUTBURST DRADO 20251219.8938 <14.3 ERIAQ 20251219.9000 <13.8 GEMAW 20251219.9111 <14.2 GEMCI 20251219.9090 <14.2 GEMIR 20251219.9104 <14.2 GEMU 20251219.9146 13.7 RISING? GEMV493 20251219.9125 <14.4 HS0218+3229 20251219.7924 <14.4 LACBL 20251219.7681 14.1 LYNEQ 20251219.8965 <14.1 LYNEZ 20251219.8986 <14.5 LYNMS 20251219.9181 <14.3 MASTEROTJ042609.34+354144.8 20251219.8063 <14.2 MISV1448 20251219.7542 <14.2 MONCW 20251219.9028 <13.9 MONV616 20251219.9035 <13.8 NSV4168 20251219.8917 <14.4 ORICN 20251219.9021 12.9 ACTIVE ORICZ 20251219.8083 12.5 ACTIVE ORIV1159 20251219.9014 14.0 OUTBURST ORIV2828 20251219.9083 <14.1 ORIV344 20251219.9076 <14.1 PEGEF 20251219.7722 <14.1 PEGIP 20251219.7833 <14.4 PEGRU 20251219.7403 12.5 PEGV368 20251219.7778 <14.2 PEGV476 20251219.7757 <14.4 PEGV513 20251219.7743 <14.4 PEGV521 20251219.7771 <14.4 PEGV537 20251219.7736 13.3 OUTBURST PEGV624 20251219.7729 <14.3 PEGV627 20251219.7694 <14.5 PEGV650 20251219.7785 <14.1 PEGV776 20251219.7701 <14.3 PEGV777 20251219.7708 <14.4 PERAX 20251219.7424 11.6 PERDY 20251219.7438 11.5 PERFO 20251219.8000 13.8 OUTBURST PERGK 20251219.8007 13.1 PERKT 20251219.7944 <14.3 PERPY 20251219.8021 <14.1 PERQY 20251219.8014 <14.1 PERTZ 20251219.7431 13.0 ACTIVE PERUV 20251219.7986 <14.5 PERUW 20251219.7986 <14.2 PERV1024 20251219.8035 <14.1 PERV518 20251219.8063 <14.2 PNVJ06483343+0656236 20251219.9139 <14.2 PNVJ21581852+2419246 20251219.7715 <14.2 PSCEI 20251219.7792 <14.1 PSCFL 20251219.7826 <14.1 PSCKX 20251219.7785 <14.2 PSCLW 20251219.7889 <14.3 PSCTY 20251219.7882 <14.4 SDSSJ074716.81+424849.0 20251219.8972 <14.5 TAURR 20251219.8069 11.1 TAUSU 20251219.8076 9.8 UMABZ 20251219.8875 <14.0 UMACH 20251219.8931 <14.3 UMAER 20251219.8958 13.7 OUTBURST UMASU 20251219.8854 12.3 ACTIVE UMASW 20251219.8944 <13.9 VULVW 20251219.7611 <14.2

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[vsnet-obs 99580] KWe CCD Obs 20251218
by Klaus Wenzel 19 Dec '25

19 Dec '25

Obs: Klaus Wenzel Wenigumstadt (Germany) Bundesdeutsche Arbeitsgemeinschaft für Veränderliche Sterne (BAV) Instr.: 208/812mm Newton; 200/1200mm Newton CCD Obs e-mail: wenzel.qso(a)t-online.de <mailto:wenzel.qso@t-online.de> Object Date UT mag AT 2025abao 20251218.725 14.8CV KWe AGN S5 0716+71 20251218.793 14.5V KWe Klaus Wenzel

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[vsnet-obs 99579] T CrB Vis Obs 20251217
by Klaus Wenzel 19 Dec '25

19 Dec '25

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 20251217.226 10.2 KWe Klaus Wenzel

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[vsnet-obs 99578] Visual obs. 171225
by eddy muyllaert 18 Dec '25

18 Dec '25

Visual observations for December 17th 2025 Eddy Muyllaert Oostende Belgium eddy.muyllaert(a)gmail.com Instruments : C8 SCT Sequences : AAVSO Conditions : clear with cirrus Star UT Mag -------------------------------------- 1RXSJ063214.8+253620 20251217.9354 <14.1 ANDAR 20251217.8549 12.5 OUTBURST ANDDX 20251217.8486 <14.1 ANDFN 20251217.8514 <14.1 ANDHP 20251217.8500 <14.5 ANDIW 20251217.8507 <14.4 ANDLL 20251217.8542 <13.9 ANDLS 20251217.8493 <14.1 ANDLX 20251217.8569 <14.3 ANDPQ 20251217.8576 <14.3 ANDRX 20251217.8382 11.6 ACTIVE ANDV466 20251217.8563 <14.2 ANDZ 20251217.8375 10.8 ARIBB 20251217.8653 <14.2 ARISV 20251217.8660 <13.9 ASASSN-13DH 20251217.8660 <14.2 ASASSN-19AX 20251217.8493 <14.2 AURSS 20251217.8701 <14.1 CAMAF 20251217.8625 <14.1 CAMHT 20251217.9535 <14.4 CAMV391 20251217.8708 <14.2 CAMZ 20251217.8403 11.6 ACTIVE CASGX 20251217.8590 <14.0 CASHT 20251217.8597 <14.3 CASKU 20251217.8611 <14.4 CASV1405 20251217.8396 13.1 CASV1409 20251217.8583 <14.3 CMAHL 20251217.9431 <13.0 CMIDY 20251217.9521 <14.0 CMISV 20251217.9514 <13.9 CNCAT 20251217.9604 12.8 OUTBURST CNCCC 20251217.9632 <14.1 CNCDW 20251217.9507 <14.1 CNCEG 20251217.9618 <14.2 CNCGY 20251217.9653 <14.1 CNCSY 20251217.9639 11.2 ACTIVE CNCYZ 20251217.9472 <14.1 CYGSS 20251217.8368 11.3 DRAAB 20251217.8472 <14.1 DRADO 20251217.9583 <14.3 ERIAQ 20251217.9382 <13.8 GEMAW 20251217.9451 <14.2 GEMCI 20251217.9347 <14.1 GEMIR 20251217.9444 <14.2 GEMU 20251217.9458 14.0 GEMV493 20251217.9486 <14.4 HS0218+3229 20251217.8556 <14.4 LYNEQ 20251217.8715 <14.1 LYNEZ 20251217.8729 <14.1 LYNMS 20251217.9625 <14.3 MASTEROTJ042609.34+354144.8 20251217.8688 <14.2 MONCW 20251217.9410 <13.9 MONV616 20251217.9417 <13.8 ORICN 20251217.8757 12.9 ACTIVE ORICZ 20251217.8458 12.8 ACTIVE ORIV1159 20251217.9396 <14.0 ORIV2828 20251217.9368 <14.1 ORIV344 20251217.9340 <14.1 PERAX 20251217.8424 11.6 PERDY 20251217.8417 11.5 PERFO 20251217.8667 <14.0 PERGK 20251217.8431 13.0 PERKT 20251217.8632 <14.3 PERPY 20251217.8646 <14.1 PERQY 20251217.8639 <14.1 PERTZ 20251217.8410 13.0 OUTBURST PERUV 20251217.8618 <14.5 PERUW 20251217.8618 <14.2 PERV1024 20251217.8674 <14.1 PERV518 20251217.8681 <14.2 PNVJ06483343+0656236 20251217.9500 <14.2 PSCLW 20251217.8535 <14.3 PSCTY 20251217.8528 <14.4 SDSSJ074716.81+424849.0 20251217.8722 <14.0 TAURR 20251217.8438 11.0 TAUSU 20251217.8444 9.8 UMABZ 20251217.9542 <14.1 UMACH 20251217.9576 <14.3 UMAER 20251217.9563 <14.2 UMASU 20251217.8743 12.1 OUTBURST UMASW 20251217.9549 <13.9 UMIZ 20251217.9313 <13.9

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[vsnet-obs 99577] BG CMi 20251218 JD 61028.0488 - 61028.1518
by pnelson＠aussiebb.com.au 18 Dec '25

18 Dec '25

Target BG CMi Date 20251218 Times UT 13:09 - 15:37 UT Telescope Planewave 12.5 Camera STT3200 Filter CV Exposure 90s Chip temp -40C Stdev K 0.012 Comments Seeing = 2.8 arc". Observatory Lockwood South, Victoria, Australia

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[vsnet-obs 99576] VS observations by Mhh (Dec 18)
by Hiroyuki Maehara 18 Dec '25

18 Dec '25

Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code AURAB 20251218.543 74 Mhh.VSOLJ CETomicron 20251218.536 60 Mhh.VSOLJ CMAZ 20251218.541 103 Mhh.VSOLJ LEPR 20251218.547 109 Mhh.VSOLJ MONU 20251218.537 62 Mhh.VSOLJ Observer: Hiroyuki Maehara (Okayama, Japan) Instruments: 8cmR, 4.2cmB(10x)

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[vsnet-obs 99575] BG CMi 20251217 JD 61027.0970 - 61027.2450
by pnelson＠aussiebb.com.au 17 Dec '25

17 Dec '25

Target BG CMi Date 20251217 Times UT 14:18 - 17:52 UT Telescope Planewave 12.5 Camera STT3200 Filter CV Exposure 90s Chip temp -40C Stdev K 0.012 Comments Seeing = 2.8 arc". Tracking issue mid run Observatory Lockwood South, Victoria, Australia

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[vsnet-obs 99574] CC Scl 20251217 JD 61026.9500 - 61027.0484
by pnelson＠aussiebb.com.au 17 Dec '25

17 Dec '25

Target CC Scl Date 20251217 Times UT 10:47 - 13:08 UT Telescope Planewave 12.5 Camera STT3200 Filter CV Exposure 120s Chip temp -40C Stdev K Std K=0.012 Comments Seeing = 2.8 arc". Observatory Lockwood South, Victoria, Australia

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