BHTOM Targets for 09 March, 2026

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Mar 9, 2026, 9:17:46 AM (8 days ago) Mar 9
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Hello,

Greetings from the BHTOM Automated Newsletter!

As of 2026-03-09 13:17:02.687340+00:00, these are the new targets added in the last week for observing (importance>=1), sorted by magnitude:

name ra dec mag_last sun_separation classification description
GaiaDR3_4015591806678568576 187.342321 32.394509 11.2 147.0 Unknown TON618, Gaia DR3 parallax: 5.900
170032917163016282 187.707737 8.273932 19.4 161.0 Unknown Possible SN candidate in LSST
LSST_314051320803229791 51.869496 -28.895120 21.8 64.0 Unknown Most likely a SN at the edge of a galaxy. Rising fast (~0.2mag in 2 days)
LSST_313941448591409201 52.070011 -27.044164 21.9 64.0 Unknown Tagged as either a SN or an AGN, rising fast

In addition, here are some older targets that are currently visible and requested for observations. These targets have an importance>=4, a sun separation>70, and last magnitude<18, sorted by magnitude.


North (dec>0):

name ra dec mag_last sun_separation classification description
TCrB 239.875676 25.920170 7.3 109.0 Nova recurent nova predicted to explode 2024/2025
LS I +61 302 40.131935 61.229332 9.5 77.0 Unknown Be-star with unknown compact companion
RXJ0441.0+4431 70.247207 44.530349 10.5 87.0 XRB Be X-ray binary
2S0114+65 19.511240 65.291619 11.1 73.0 XRB Supergiant X-ray binary
1H1936+541 (BD+53 2262) 293.217949 53.879297 11.1 75.0 XRB optical counterpart of the Be X-Ray Binary
RXJ0146.9+6121 26.750885 61.356573 11.3 72.0 XRB Be X-ray binary
Gaia22efa 67.656210 35.842100 12.0 83.0 YSO Brightening in candidate YSO. After initial accretion burst the brightness started to rise slowly.
IGRJ06074+2205 91.860884 22.096600 12.2 103.0 XRB Be X-ray binary
V1117 Her 249.776779 9.798698 12.8 100.0 Unknown PMS star, Herbig Ae star
AM_Her 274.055228 49.867989 12.9 84.0 CV Target for joint optical-radio observations
Mrk 817 219.092017 58.794299 13.9 114.0 Unknown Seyfert 1 AGN
8C0716_714 110.472701 71.343434 14.0 104.0 QSO checking of ~1.7-days periodic variability and quasi-periodic variability of ~24 days
Mrk 841 226.004963 10.437732 14.1 123.0 AGN changinglook AGN
4U0115+63 19.633210 63.742520 14.2 72.0 XRB Be X-ray binary
ZTF18aarippg 217.566838 23.062372 15.2 130.0 QSO Tick-Tok possibly merging Super Massive Black Hole binary
NGC5683-Seyfert 218.718578 48.661870 15.4 119.0 AGN active nucleus of a nearby galaxy for frequent monitoring
SN 2026dix 177.655950 55.353589 15.4 129.0 Unknown Closeby IIb supernova
3C 138 80.291192 16.639459 15.9 92.0 QSO Compact Steep Spectrum (CSS) type source currently flaring in Gamma-rays and optical
Gaia24ala 86.808830 0.152040 16.1 98.0 YSO Dimming in candidate YSO
SN2024afyu 258.429383 7.625256 16.4 91.0 SN Interesting long-term Supernova
SN 2025aico 172.318154 20.585703 16.8 164.0 SN Young SN classified as a II or IIb
Gaia24dfc 52.509900 61.429790 16.8 82.0 Unknown Brightening in candidate YSO
AT2026bti 210.693421 24.826742 16.9 135.0 Unknown optical transient
Q0957+561_A 150.336216 55.898776 17.0 127.0 QSO firstly confirmed lensed quasar (double image), image A (top)
1ES 0502+675 76.984013 67.623396 17.0 93.0 BL Lac Blazar interesting in the context of search for intergalactic magnetic field
SN2025ahsa 218.750883 0.986231 17.4 130.0 Unknown Supernova SN Ia
Gaia16aoz 162.115140 71.726660 17.7 113.0 QSO QSO with a long-term and short-term variability


South (dec<0):

name ra dec mag_last sun_separation classification description
HD 98800 170.521620 -24.777768 9.9 151.0 YSO Pre-main sequence quadruple system (AaAb + BaBb) with circumbinary (BaBb) disk to eclipse AaAb
T Ori 83.960201 -5.476368 10.6 94.0 YSO Herbig AeBe star, YSO
MXB0656-072 104.572033 -7.209779 11.2 114.0 XRB Be X-ray binary
TCP J18265456-2719122 276.727333 -27.320056 12.2 72.0 Unknown transient object
AT 2025nlr 227.013640 -40.141550 13.1 111.0 Nova Astro-COLIBRI target
V4141 Sgr 267.599257 -19.895328 13.2 81.0 Symbiotic star symbiotic star
ngc 3783 174.757132 -37.738611 13.6 137.0 AGN Nearby Seyfert 1 galaxy, active galactic nucleus, interesting for X-ray, high cadence data neeeded, potentially flaring
TCP J05191540-0204515 79.814167 -2.080972 13.7 90.0 Unknown T Tauri Star
ASASSN-26aa 219.340667 -58.794667 14.0 105.0 Unknown potential nova from ASASSN
AT2026ayt 141.847458 -32.008578 14.2 135.0 Unknown Optical transient, potential weird supernova
TDE2025aarm 68.051646 -5.377697 14.6 78.0 TDE Nearby TDE from TNS
V5856 Sgr 275.217710 -28.370030 14.6 74.0 Nova CV and Nova outburts
AR Sco 245.447013 -22.886218 14.6 101.0 CV White Dwarf pulsar
PKS0454-234 74.263250 -23.414450 14.7 84.0 QSO long time monitoring for ROTUZ team
Nova Sagittarii 2025 no.4 270.969917 -31.456667 14.9 78.0 Nova Nova Sgr 2025 No. 4 is TCP J18035290-3127298 is TCP J18035278-3127240
ASASSN-26af 82.501958 -66.724833 15.1 87.0 Unknown Undergoing Deep Dimming Events in the LMC
Gaia19dbf 178.699417 -64.491850 15.5 111.0 Unknown Possibly a YSO
Gaia24dhd 271.552460 -25.319220 15.7 77.0 Unknown candidate microlensing event
HE0413_4031 63.810269 -40.394754 15.9 75.0 QSO Long term variable quasar for monitoring
SN2026afe 99.860204 -21.822386 16.0 107.0 Unknown Type SN Ia-pec
AT2025xvc 85.526933 -67.018517 16.1 88.0 Unknown possibile bright nova or CV in LMC from GOTO,TNS
ASASSN-25cd 277.969917 -28.807539 16.3 71.0 Unknown A Deep, Ongoing, Dipping Event
PMNJ0730-6602 112.706495 -66.038578 16.4 99.0 AGN IAUZ Target
Gaia24amo 249.148921 -53.749919 16.7 92.0 Microlensing Event candidate microlensing event, with the second peak
AT2026coj 120.295917 -3.720583 16.8 130.0 Unknown Bright Cataclysmic Variable candidate from TNS
AT2023aece 238.433929 -14.738814 16.9 109.0 AGN nuclear transient with an extremely long lived, rising lightcurve.
AT 2025acve 270.700667 -5.976583 17.1 78.0 Unknown Unclassified optical transient discovered by XOSS, potential microlensing event
Gaia24dhc 271.324950 -25.851100 17.4 77.0 Unknown ~0.2 mag rise in red Gaia source
ASASSN-25fd 187.851667 -59.119028 17.4 115.0 Nova Nova in Crux, PNV J12312434-5907133


Last week's total of images processed: 6903 (5669 with success).


Last week's targets observed:

camera target_names
Adonis_G2-1600 Gaia24dja, SN 2026dix, LS I +61 302
HAO50_QHY268M 8C0716_714, AT2025acft
HAO68_G2-1600 AT2025kjp, AT2025abao, AT2026dmu, TDE2026dmt, Q0957+561_A, 8C0716_714, ZTF18aarippg, LS I +61 302, SN 2025ajmz, SN 2026dix, AT2026cex, TCrB
LCOGT-CTIO-1m_4K AT2026ayt, M1, LSST_313994139532263447
LCOGT-HO-40cm_QHY600M TCrB
LCOGT-MCD-1m_4K M1
LCOGT-SAAO-1m_4K AT2026ayt, LSST_313994139532263447
LCOGT-SS-1m_4K Gaia24amo
LCOGT-SS-2m_Spectral M1
LCOGT-Teide-1m_4K AT2025acft
Moravian_C3-61000_PRO 170032917163016282, AT2025acft, TDE2025afsj, TCP J21220926+4926242, LSST_170046089928376424, SN 2026dix, Gaia22efa
OAUJ-CDK500_U47 AT2025abao, TOI-1259Ab, TOI-3714, SN 2026dix, AT2026cex
Ostrowik-60-cm_SOFIA_E2V TOI-3757, ZGP-BLAP-01, Gaia22efa, 8C0716_714
ROADC14_QHY600M MASTER OT J142023.47-485540.0
RRRT_SBIG-STX16803 AT2026cex
SOAB_ZWO-ASI2600MM Gaia24dfc, AT2025abao, NSVS 15567664, SN 2025aico, Gaia19cci, GaiaDR3_430079440716188032, TCP J05191540-0204515, CRTS0920+0019, Gaia20dvq, TDE2018mqa, Gaia24dcs, 2025eve, SN2025ahsa, GaiaDR3_66995412441675008, Gaia19afc, UCAC4534-047028, Gaia18cmh, Mrk 817, Gaia16aoz, TCP J21220926+4926242, SDSSJ094533.99+100950.1, Gaia16azp, Gaia21edc, Gaia19flk, MGAB-V266, Gaia23dgf, TCrB, GaiaDR3_359766943416012288, GaiaDR3_2248646830952630272, Gaia3419844555272494592, 1ES 0502+675, AT2020adgg, AT 2025acve, ZTF18aarippg, Mrk 841, TDE2025aarm, SN2024afyu, HAT-P-15, Gaia24ayk, Gaia22ehn, SN 2026dix, Gaia22efa, Gaia20dzh, SW_Sex, AT2025acft, 3C 138, Gaia21duc, BEST-II lra2a_00811, AT2025sqe, AM_Her, HD14916, AT2026coj, LS I +61 302, EECep, Gaia19aif, Gaia24bux, Gaia21bnu, AT2026bti
Seestar-S50 8C0716_714, BL_Lac
Slooh-AU_FLI-KAF-16803 AT2026ayt, ASASSN-25ff, MXB0656-072, AT2026coj, SN2026afe
UZPW50_Chile_QHY268PRO PMNJ0730-6602, AT2020xys, 2025eve, Gaia18bwz, Gaia22alz, ASASSN-25bv, ngc 3783, RX Vol, Gaia23dgf, Gaia23dgt, SN2013bw, Gaia24dcm, TDE2026chm, ASASSN-25fd, AT2026cex, AT2026ayt, HD 98800, Gaia22bpl, Gaia23dkq, Gaia21fhv, MGAB-V3780, SN2026afe, Gaia19dbf, Gaia21fkl
UwB_SBIG-4040 SDSS J101353.45+492758.1

Last week's fits uploads score (sorted by count)

observatory-user count
Franz-Josef Hambsch (ROADC14_QHY600M) 4219
Sebastian Kurowski (SOAB_ZWO-ASI2600MM) 1097
Staszek Zola (OAUJ-CDK500_U47) 400
Michal Siwak (Moravian_C3-61000_PRO) 336
Agata Wozniak (UZPW50_Chile_QHY268PRO) 238
Jan Kåre Trandem Qvam (HAO68_G2-1600) 224
Lukasz Wyrzykowski (Ostrowik-60-cm_SOFIA_E2V) 201
Jacek Drazkowski (Seestar-S50) 62
Franky Dubois (Adonis_G2-1600) 25
Nicholas Rattenbury (Slooh-AU_FLI-KAF-16803) 23
Patryk Matera (Seestar-S50) 12
Krzysztof Słowik (Seestar-S50) 12
Jakub Komar (Seestar-S50) 10
Joysankar Majumdar (LCOGT-SAAO-1m_4K) 5
Staszek Zola (RRRT_SBIG-STX16803) 5
Paweł Baranowski (Seestar-S50) 4
Lukasz Wyrzykowski (LCOGT-HO-40cm_QHY600M) 4
Jan Kåre Trandem Qvam (HAO50_QHY268M) 4
Mauritz Wicker (LCOGT-Teide-1m_4K) 3
Lukasz Wyrzykowski (LCOGT-SS-2m_Spectral) 3
Mauritz Wicker (LCOGT-SS-1m_4K) 3
Joysankar Majumdar (LCOGT-CTIO-1m_4K) 3
Jerzy Surma (Seestar-S50) 2
Wojciech Burzyński (UwB_SBIG-4040) 2
Priscila Pessi (LCOGT-CTIO-1m_4K) 2
Priscila Pessi (LCOGT-SAAO-1m_4K) 2
Lukasz Wyrzykowski (LCOGT-CTIO-1m_4K) 1
Lukasz Wyrzykowski (LCOGT-MCD-1m_4K) 1


Top 5 data uploaders!
name count
Franz-Josef Hambsch 4219
Sebastian Kurowski 1097
Staszek Zola 405
Michal Siwak 336
Agata Wozniak 238


Clear skies!
Your BHTOM Team
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