Greetings from the BHTOM Automated Newsletter!
As of 2026-03-02 10:41:32.157765+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 |
|---|---|---|---|---|---|---|
| ASASSN-25ff | 122.215208 | -16.658750 | 12.2 | 133.0 | Variable star-other | Raising Variable, matches PS1 g at 13.2 mag, potential microlensing event |
| MASTER OT J142023.47-485540.0 | 215.097792 | -48.932869 | 14.5 | 108.0 | CV | outburst in CV candidate |
| LSST_313761043604045880 | 61.964820 | -48.713443 | 18.4 | 77.0 | Unknown | Potential type IIP supernova based on the LSST light curve. |
| LSST_313994139532263447 | 53.251362 | -27.861039 | 18.7 | 69.0 | Unknown | SNe candidate classified by Fink using the public Rubin LSST stream. Now at magnitude 19.4, and peak not yet reached. Two nearby sources within 5 arcseconds reported decades ago. |
| LSST_170046089928376424 | 150.280561 | 2.746594 | 21.8 | 167.0 | Unknown | very blue transient from LSST via Lasair |
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.
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| TCrB | 239.875676 | 25.920170 | 8.9 | 105.0 | Nova | recurent nova predicted to explode 2024/2025 |
| LS I +61 302 | 40.131935 | 61.229332 | 9.6 | 82.0 | Unknown | Be-star with unknown compact companion |
| RXJ0441.0+4431 | 70.247207 | 44.530349 | 10.5 | 93.0 | XRB | Be X-ray binary |
| 1H1936+541 (BD+53 2262) | 293.217949 | 53.879297 | 10.8 | 74.0 | XRB | optical counterpart of the Be X-Ray Binary |
| 2S0114+65 | 19.511240 | 65.291619 | 11.1 | 78.0 | XRB | Supergiant X-ray binary |
| RXJ0146.9+6121 | 26.750885 | 61.356573 | 11.3 | 77.0 | XRB | Be X-ray binary |
| IGRJ06074+2205 | 91.860884 | 22.096600 | 12.1 | 110.0 | XRB | Be X-ray binary |
| V1117 Her | 249.776779 | 9.798698 | 12.5 | 94.0 | Unknown | PMS star, Herbig Ae star |
| Gaia22efa | 67.656210 | 35.842100 | 13.4 | 90.0 | YSO | Brightening in candidate YSO. After initial accretion burst the brightness started to rise slowly. |
| AM_Her | 274.055228 | 49.867989 | 13.4 | 82.0 | CV | Target for joint optical-radio observations |
| 8C0716_714 | 110.472701 | 71.343434 | 13.5 | 108.0 | QSO | checking of ~1.7-days periodic variability and quasi-periodic variability of ~24 days |
| Mrk 817 | 219.092017 | 58.794299 | 13.9 | 113.0 | Unknown | Seyfert 1 AGN |
| 4U0115+63 | 19.633210 | 63.742520 | 14.2 | 76.0 | XRB | Be X-ray binary |
| Mrk 841 | 226.004963 | 10.437732 | 14.5 | 117.0 | AGN | changinglook AGN |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.5 | 118.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| SN 2026dix | 177.655950 | 55.353589 | 15.9 | 131.0 | Unknown | Closeby IIb supernova |
| 3C 138 | 80.291192 | 16.639459 | 16.1 | 99.0 | QSO | Compact Steep Spectrum (CSS) type source currently flaring in Gamma-rays and optical |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.2 | 125.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| SN 2025aico | 172.318154 | 20.585703 | 16.6 | 164.0 | SN | Young SN classified as a II or IIb |
| AT2026bti | 210.693421 | 24.826742 | 16.9 | 131.0 | Unknown | optical transient |
| Gaia16aoz | 162.115140 | 71.726660 | 17.3 | 116.0 | QSO | QSO with a long-term and short-term variability |
| Gaia24ala | 86.808830 | 0.152040 | 17.3 | 104.0 | YSO | Dimming in candidate YSO |
| SN2025ahsa | 218.750883 | 0.986231 | 17.3 | 124.0 | Unknown | Supernova SN Ia |
| 1ES 0502+675 | 76.984013 | 67.623396 | 17.6 | 98.0 | BL Lac | Blazar interesting in the context of search for intergalactic magnetic field |
| Gaia24dfc | 52.509900 | 61.429790 | 17.6 | 87.0 | Unknown | Brightening in candidate YSO |
| SDSSJ094533.99+100950.1 | 146.391622 | 10.163917 | 17.8 | 164.0 | QSO | Long term variable quasar for monitoring |
| SN2024afyu | 258.429383 | 7.625256 | 17.8 | 85.0 | SN | Interesting long-term Supernova |
| Q0957+561_A | 150.336216 | 55.898776 | 17.9 | 130.0 | QSO | firstly confirmed lensed quasar (double image), image A (top) |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| HD 98800 | 170.521620 | -24.777768 | 9.9 | 147.0 | YSO | Pre-main sequence quadruple system (AaAb + BaBb) with circumbinary (BaBb) disk to eclipse AaAb |
| T Ori | 83.960201 | -5.476368 | 11.3 | 100.0 | YSO | Herbig AeBe star, YSO |
| MXB0656-072 | 104.572033 | -7.209779 | 11.5 | 120.0 | XRB | Be X-ray binary |
| V4141 Sgr | 267.599257 | -19.895328 | 12.9 | 74.0 | Symbiotic star | symbiotic star |
| TCP J05191540-0204515 | 79.814167 | -2.080972 | 13.4 | 97.0 | Unknown | T Tauri Star |
| ngc 3783 | 174.757132 | -37.738611 | 13.5 | 134.0 | AGN | Nearby Seyfert 1 galaxy, active galactic nucleus, interesting for X-ray, high cadence data neeeded, potentially flaring |
| ASASSN-26aa | 219.340667 | -58.794667 | 13.7 | 100.0 | Unknown | potential nova from ASASSN |
| AT2026ayt | 141.847458 | -32.008578 | 14.4 | 136.0 | Unknown | Optical transient, potential weird supernova |
| AT 2025nlr | 227.013640 | -40.141550 | 14.8 | 104.0 | Nova | Astro-COLIBRI target |
| PKS0454-234 | 74.263250 | -23.414450 | 14.8 | 89.0 | QSO | long time monitoring for ROTUZ team |
| ASASSN-26af | 82.501958 | -66.724833 | 15.1 | 87.0 | Unknown | Undergoing Deep Dimming Events in the LMC |
| AR Sco | 245.447013 | -22.886218 | 15.1 | 94.0 | CV | White Dwarf pulsar |
| Nova Sagittarii 2025 no.4 | 270.969917 | -31.456667 | 15.1 | 71.0 | Nova | Nova Sgr 2025 No. 4 is TCP J18035290-3127298 is TCP J18035278-3127240 |
| TDE2025aarm | 68.051646 | -5.377697 | 15.4 | 85.0 | TDE | Nearby TDE from TNS |
| Gaia19dbf | 178.699417 | -64.491850 | 15.5 | 107.0 | Unknown | Possibly a YSO |
| HE0413_4031 | 63.810269 | -40.394754 | 15.8 | 78.0 | QSO | Long term variable quasar for monitoring |
| AT2025xvc | 85.526933 | -67.018517 | 16.1 | 88.0 | Unknown | possibile bright nova or CV in LMC from GOTO,TNS |
| ASASSN-25fd | 187.851667 | -59.119028 | 16.3 | 111.0 | Nova | Nova in Crux, PNV J12312434-5907133 |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.3 | 98.0 | AGN | IAUZ Target |
| SN2026afe | 99.860204 | -21.822386 | 16.3 | 112.0 | Unknown | Type SN Ia-pec |
| AT2026coj | 120.295917 | -3.720583 | 16.7 | 136.0 | Unknown | Bright Cataclysmic Variable candidate from TNS |
| Gaia24amo | 249.148921 | -53.749919 | 16.7 | 86.0 | Microlensing Event | candidate microlensing event, with the second peak |
| AT 2025acve | 270.700667 | -5.976583 | 16.8 | 71.0 | Unknown | Unclassified optical transient discovered by XOSS, potential microlensing event |
Last week's total of images processed: 5441 (5238 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | SN 2026dix, LS I +61 302, Gaia24dja, Gaia24ayd, Gaia24dfv, AM_Her, TabbysStar, Gaia24azc, TCrB |
| EEye_QHY268M | Q0957+561_A, AT2025acft, AT2025mau |
| HAO68_G2-1600 | SN 2026dix, AT2025abao |
| Kryoneri-1.2_Andor-Zyla | NGC5683-Seyfert, ZTF18aarippg, SN2025ahsa, Gaia18bwz, Gaia16aoz, TCrB |
| LCOGT-CTIO-1m_4K | Gaia24amo, AT2026ayt |
| LCOGT-MCD-1m_4K | AT2025acft |
| LCOGT-Teide-1m_4K | AT2025abao |
| LCOGT-Teide-40cm_QHY600M | M1 |
| Moravian_C3-61000_PRO | TDE2025afsj, SN 2026dix, TCP J21220926+4926242, AT2025acft, LSST_170046089928376424, Gaia24bux |
| PIWNICE90_C4-16000EC | 8C0716_714, LS I +61 302, SN 2025aico, ZTF18aarippg, AT2024kwu, TCrB |
| ROAD40_QHY600M | Gaia24ccy, HD 312919, HD 98800, ASASSN-25db, Gaia23cpd, ASASSN-25bv, Gaia24dhn, V1117 Her, ASASSN-24fw, ASASSN-21js, TCrB, EX Lup, TCP J18265456-2719122, ASASSN-21qj, OY Mon, Gaia23dnm, Gaia19eyy |
| ROADC14_QHY600M | Nova Velorum 2025, MASTER OT J142023.47-485540.0, AR_Pav, Nova Sagittarii 2025 no.4, V1280 Sco, ASASSN-25cy, V5856 Sgr, ASASSN-25ce, SN2025ahsa, AT2025xvc, V748 Hya, AT 2025nlr, V4141 Sgr, ASASSN-25ff |
| SUTO-Otivar_ASI1600MM | TDE2025afsj, AT2025nxb, 2MASS J07233213+0926393, GAIA DR3 2207162600835525760, 1H1936+541 (BD+53 2262), AT2024yqo, RXJ0441.0+4431, HD 140122, AT2026bti, Gaia23dgt, AT2026cex, TCrB |
| Seestar-S50 | BL_Lac, 8C0716_714 |
| Slooh-AU_FLI-KAF-16803 | SN2026afe |
| Slooh-CL_FLI-KAF-16803 | ngc 3783, Gaia19dbf, PMNJ0730-6602, SN2026bdl, ASASSN-25fd |
| TJO_MEIA3 | Gaia24aup, Gaia23dqt, AT2025aarn, LS I +61 302, AT2025acft, SN2024afyu, ZTF18aarippg, Gaia18bwz, SN2025bof, AT2023uhx, TCrB, AT2024yqo |
| TTT_QHY600MPCIE | TDE2026chm |
| TTUSO_SBIG-STC-428P | AT2025acft |
| UZPW50_Chile_QHY268PRO | ngc 3783, Gaia22alz, Gaia24alk, HE1104-1805, Gaia18bwz, TDE2025bri, SDSSJ094533.99+100950.1, ASASSN-25bv, GaiaDR3-ULENS-012, SN2013bw, SN2026afe, PMNJ0730-6602, Gaia22dkv, AT2026bti, ASASSN-25fd, Gaia22aas, Gaia23ats, Gaia24alz, HD 98800, Gaia21fhv, AT2026coj, 2025eve, Gaia23dgt, Gaia24dcm, SN2026bdl, MGAB-V3780, J050129.5-073309, Gaia21fkl, TCP J06571119-1724439, GaiaDR3_ULENS-122, Gaia22bpl, Gaia19dbf, Gaia23dgf, HWVir, OY Mon, AT2026ayt |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROADC14_QHY600M) | 2998 |
| Josep Manel Carrasco (TJO_MEIA3) | 555 |
| Agnieszka Gurgul (PIWNICE90_C4-16000EC) | 467 |
| Franz-Josef Hambsch (ROAD40_QHY600M) | 392 |
| Agata Wozniak (UZPW50_Chile_QHY268PRO) | 333 |
| Michal Siwak (Moravian_C3-61000_PRO) | 171 |
| Adam Popowicz (SUTO-Otivar_ASI1600MM) | 126 |
| Franky Dubois (Adonis_G2-1600) | 54 |
| Nicholas Rattenbury (Slooh-AU_FLI-KAF-16803) | 50 |
| Evangelos Gkiokas (Kryoneri-1.2_Andor-Zyla) | 40 |
| Jacek Drazkowski (Seestar-S50) | 36 |
| Alicja Pucek (UZPW50_Chile_QHY268PRO) | 34 |
| Sjoerd Dufoer (EEye_QHY268M) | 29 |
| Nicholas Rattenbury (Slooh-CL_FLI-KAF-16803) | 28 |
| Yauheni Stsefanenka (UZPW50_Chile_QHY268PRO) | 26 |
| Lucyna Juchniewicz-Kusiak (Seestar-S50) | 24 |
| Marcin Michalski (Seestar-S50) | 14 |
| Kirill Sokolovsky (TTUSO_SBIG-STC-428P) | 13 |
| Krzysztof Słowik (Seestar-S50) | 12 |
| Patryk Matera (Seestar-S50) | 12 |
| Jan Kåre Trandem Qvam (HAO68_G2-1600) | 10 |
| Mauritz Wicker (LCOGT-MCD-1m_4K) | 3 |
| Lukasz Wyrzykowski (LCOGT-Teide-40cm_QHY600M) | 3 |
| Mauritz Wicker (LCOGT-CTIO-1m_4K) | 3 |
| Joysankar Majumdar (LCOGT-CTIO-1m_4K) | 3 |
| Zbigniew Grabowski (Seestar-S50) | 2 |
| Eduardo Concepcion (TTT_QHY600MPCIE) | 1 |
| Lukasz Wyrzykowski (LCOGT-Teide-1m_4K) | 1 |
| name | count |
|---|---|
| Franz-Josef Hambsch | 3390 |
| Josep Manel Carrasco | 555 |
| Agnieszka Gurgul | 467 |
| Agata Wozniak | 333 |
| Michal Siwak | 171 |