BHTOM Targets for 13 April, 2026
9 views
Skip to first unread message
wyrz...@gmail.com
Apr 13, 2026, 7:17:17 AM (yesterday) Apr 13
to bhtomt...@googlegroups.com
Hello,
Top 5 data uploaders!
Clear skies!
Your BHTOM Team
bhtom.space
Greetings from the BHTOM Automated Newsletter!
Please note the main server name change from bh-tom2.astrolabs.pl to bh-tom2.astrouw.edu.pl. The alias bhtom.space is still valid.
As of 2026-04-13 11:15:56.089475+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 |
|---|---|---|---|---|---|---|
| AT2026hir | 131.051571 | 82.019822 | 16.9 | 84.0 | Unknown | TDE candidate |
| LSST_170243999882805412 | 149.906931 | 3.272341 | 18.4 | 127.0 | Unknown | LSST transient candidate. Potential SN. If real, extremely red. |
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 | 7.6 | 129.0 | Nova | recurent nova predicted to explode 2024/2025 |
| 1H1936+541 (BD+53 2262) | 293.217949 | 53.879297 | 10.6 | 82.0 | XRB | optical counterpart of the Be X-Ray Binary |
| V1413 Aql | 285.945155 | 16.438048 | 11.9 | 92.0 | Symbiotic star | known symbiotic star for regular monitoring |
| V1117 Her | 249.776779 | 9.798698 | 12.1 | 128.0 | Unknown | PMS star, Herbig Ae star |
| AM_Her | 274.055228 | 49.867989 | 12.7 | 94.0 | CV | Target for joint optical-radio observations |
| SN 2026fvx | 183.742221 | 63.787892 | 13.2 | 106.0 | SN | nearby supernova Type Ia |
| 8C0716_714 | 110.472701 | 71.343434 | 13.5 | 81.0 | QSO | checking of ~1.7-days periodic variability and quasi-periodic variability of ~24 days |
| KS1947+300 | 297.397850 | 30.208827 | 13.8 | 80.0 | XRB | Be X-ray binary |
| Mrk 817 | 219.092017 | 58.794299 | 13.9 | 111.0 | Unknown | Seyfert 1 AGN |
| Mrk 841 | 226.004963 | 10.437732 | 14.7 | 149.0 | AGN | changinglook AGN |
| AT2025acft | 295.939833 | 40.367889 | 14.8 | 81.0 | Microlensing Event | Candidate long microlensing event from Chinese KATS survey, KATS25V002 |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.4 | 120.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| AT2025sqe | 288.715125 | 8.001778 | 15.4 | 91.0 | Unknown | slow galactic very red transient |
| SN 2026dix | 177.655950 | 55.353589 | 16.0 | 113.0 | Unknown | Closeby IIb supernova |
| AT2026bti | 210.693421 | 24.826742 | 16.3 | 145.0 | Unknown | optical transient |
| Gaia4323024741104637568 | 292.501025 | 17.933682 | 16.5 | 86.0 | Unknown | Possibly eruptive YSO which is approaching to the quiescence |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.7 | 144.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| SN 2025aico | 172.318154 | 20.585703 | 16.8 | 139.0 | SN | Young SN classified as a II or IIb |
| LSST_170094456334188639 | 149.218161 | 3.469923 | 16.9 | 127.0 | Unknown | LSST transient candidate with host 2MASX J09565234+0328119 |
| Gaia16aoz | 162.115140 | 71.726660 | 17.3 | 95.0 | QSO | QSO with a long-term and short-term variability |
| SN2024afyu | 258.429383 | 7.625256 | 17.6 | 121.0 | SN | Interesting long-term Supernova |
| Gaia23bab | 286.111170 | 4.399270 | 17.8 | 94.0 | Unknown | repeated outburst in a candidate YSO |
| SDSSJ094533.99+100950.1 | 146.391622 | 10.163917 | 17.9 | 122.0 | QSO | Long term variable quasar for monitoring |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| GaiaDR3_4263591911398361472 | 289.926500 | -0.049900 | 9.1 | 91.0 | Variable star-other | This target is part of a paper about I am writing a revision for, and I would like to confirm if it is a binary system or not. It has a period of ~1.435 days (if a binary, ~2x1.435 days) |
| HD 98800 | 170.521620 | -24.777768 | 10.8 | 147.0 | YSO | Pre-main sequence quadruple system (AaAb + BaBb) with circumbinary (BaBb) disk to eclipse AaAb |
| MXB0656-072 | 104.572033 | -7.209779 | 11.9 | 85.0 | XRB | Be X-ray binary |
| ASASSN-26bp | 225.854950 | -63.189410 | 12.2 | 123.0 | Star | Star Undergoing Deep Dimming Events |
| V4141 Sgr | 267.599257 | -19.895328 | 12.9 | 115.0 | Symbiotic star | symbiotic star |
| ngc 3783 | 174.757132 | -37.738611 | 13.4 | 143.0 | AGN | Nearby Seyfert 1 galaxy, active galactic nucleus, interesting for X-ray, high cadence data neeeded, potentially flaring |
| NGC 6814 | 295.669109 | -10.323641 | 13.7 | 87.0 | AGN | Long term monitored AGN |
| AT2026ayt | 141.847458 | -32.008578 | 14.1 | 121.0 | Unknown | Optical transient, potential weird supernova |
| Nova Centauri 2025 | 219.340667 | -58.794667 | 14.2 | 128.0 | Nova | potential nova from ASASSN, V1935 Cen |
| V5856 Sgr | 275.217710 | -28.370030 | 14.2 | 108.0 | Nova | CV and Nova outburts |
| SN2026gzx | 178.487196 | -23.162647 | 14.4 | 154.0 | SN | SN Ia, bright nearby supernova |
| AR Sco | 245.447013 | -22.886218 | 14.7 | 135.0 | CV | White Dwarf pulsar |
| ASASSN-26af | 82.501958 | -66.724833 | 15.0 | 87.0 | Unknown | Undergoing Deep Dimming Events in the LMC |
| Nova Sagittarii 2025 no.4 | 270.969917 | -31.456667 | 15.0 | 112.0 | Nova | Nova Sgr 2025 No. 4 is TCP J18035290-3127298 is TCP J18035278-3127240 |
| AT 2025nlr | 227.013640 | -40.141550 | 15.2 | 141.0 | Nova | Astro-COLIBRI target |
| Gaia19dbf | 178.699417 | -64.491850 | 15.3 | 122.0 | Unknown | Possibly a YSO |
| ZTF20abendxc | 281.224708 | -8.538111 | 16.0 | 101.0 | YSO | Possibly eruptive YSO |
| AT2025xvc | 85.526933 | -67.018517 | 16.1 | 89.0 | Unknown | possibile bright nova or CV in LMC from GOTO,TNS |
| ASASSN-25cd | 277.969917 | -28.807539 | 16.2 | 106.0 | Unknown | A Deep, Ongoing, Dipping Event |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.4 | 99.0 | AGN | IAUZ Target |
| CTCVJ2056-3014 | 314.217286 | -30.244198 | 16.5 | 75.0 | CV | fast spinning WD in a CV |
| AT 2025acve | 270.700667 | -5.976583 | 16.6 | 111.0 | Unknown | Unclassified optical transient discovered by XOSS, potential microlensing event |
| Gaia24amo | 249.148921 | -53.749919 | 16.9 | 121.0 | Microlensing Event | candidate microlensing event, with the second peak |
| Gaia24csq | 286.710270 | -26.939590 | 16.9 | 98.0 | Unknown | potential slowly rising microlensing event |
| ASASSN-25fd | 187.851667 | -59.119028 | 17.5 | 129.0 | Nova | Nova in Crux, PNV J12312434-5907133 |
| SN2026afe | 99.860204 | -21.822386 | 17.5 | 83.0 | Unknown | Type SN Ia-pec |
| Gaia23cnm | 285.322920 | -18.717130 | 17.8 | 98.0 | Unknown | slow and long rise, possible microlensing or YSO |
Last week's total of images processed: 4464 (4360 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| AZT-8_C4-16000 | Gaia20bus, Gaia18aes, Gaia14aaf, Gaia18dom, Gaia21enm, Q0957+561_A |
| Adonis_G2-1600 | TCrB, SN 2026fvx, Gaia24dja, SN 2026dix |
| AndromedaC14_QHY600M | LS I +61 302 |
| EEye_QHY268M | AT2025acft, Q0957+561_A |
| HAO68_C3-26000 | SN 2026dix, SN 2026fvx, AT2025acft, 8C0716_714, TCrB, ZTF18aarippg |
| Kryoneri-1.2_Andor-Zyla | ZTF18aarippg, Gaia16aoz, AT2025sqe, TDE2025aljd, LSST_170094456334188639, GaiaDR3_4263591911398361472, AT2023zgo, TCrB, SN2024afyu, V1117 Her |
| LCOGT-CTIO-1m_4K | Gaia19esp, Gaia20aci, Gaia20ehk, Gaia19ejl, OGLE-2026-BLG-0138 |
| LCOGT-HO-2m_Muscat | KV UMa |
| LCOGT-SAAO-1m_4K | Gaia20ehk, Gaia24amo, OGLE-2026-BLG-0138 |
| LCOGT-SS-1m_4K | Gaia20aci, Gaia19ejl, Gaia19esp, OGLE-2026-BLG-0138 |
| LCOGT-SS-2m_Muscat | XTE J1650-500 |
| MUOZdanice_C5A-150M | Gaia16aoz |
| OAUJ-CDK500_U47 | AT2026cex, SN 2026fvx, AT2025acft, Gaia24azc, AT2025sqe, AT2024kwu, SN2024afyu |
| PROMPT-MO-1_Apogee | SN2026gzx |
| PROMPT5_Apogee | AT2025sqe, ASASSN-26bl, AT2026ayt, SN2026gzx |
| ROAD40_QHY600M | HD 269953, Gaia23dnm, HD 312919, Gaia19eyy, HD 269006, CD-34 11794, HD269110, EX Lup, V1117 Her, ASASSN-24fw, FU Ori, ASASSN-21js, HD 269582, ASASSN-21qj, ASASSN-25db, TCP J18265456-2719122, OY Mon, Gaia24ccy, ASASSN-25bv, HD 268687, HD 269840, Gaia24dhn, HD 98800 |
| ROADC14_QHY600M | V1413 Aql, V4141 Sgr, V1280 Sco, Nova Velorum 2025, ASASSN-26bp, V5856 Sgr, Nova Sagittarii 2025 no.4, Gaia20ehk, ASASSN-25cy, TCP J05191540-0204515, ASASSN-26af, 2MASS J07233213+0926393, Nova Centauri 2025, AT 2025nlr, ASASSN-26bl, AR_Pav, TDE2025aarm |
| RRRT_SBIG-STX16803 | SN 2026fvx |
| SOAB_ZWO-ASI2600MM | SN 2026fov, AT2025acft, AT2025sqe, LSST_170094456334188639, Gaia24dfc, SN2024afyu, TCP J21220926+4926242, Q0957+561_A, SN 2025aico, Gaia24bux, Mrk 841, TDE2025aljd, AT2026ava, AT 2025acve, LS I +61 302, Gaia22efa, GaiaDR3_4263591911398361472, 3C 138, ZTF20abjgfwm, Gaia16aoz, EECep, SN 2026fvx, Mrk 817, TCrB, AM_Her |
| SUTO-Otivar_ASI1600MM | 4U2206+54, HD 98800, HD216629, LS I +61 302, TCrB, GAIA DR3 2207162600835525760 |
| Salerno_Observatory_FLI | IGRJ06074+2205, Mrk 841, SN 2026fvx, AT2025acft, 8C0716_714, Mrk 817, Gaia24ayd, RXJ0441.0+4431, TCrB, Gaia22efa, AM_Her |
| Seestar-S30 | 8C0716_714 |
| Seestar-S50 | SN 2026fvx, 8C0716_714 |
| TJO_MEIA3 | SN 2026fvx, Gaia24dkk, Gaia18bwz, GaiaDR3_4263591911398361472, TCrB |
| TTT_QHY600MPCIE | TDE2026chm |
| UZPW50_Chile_QHY268PRO | Gaia19dbf, Gaia22alz, AT2026ayt, Gaia24dcm, AT2026coj |
| ZAO_G2-1600 | SN 2026fvx, OY Mon, SN 2025aico |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROAD40_QHY600M) | 1635 |
| Franz-Josef Hambsch (ROADC14_QHY600M) | 874 |
| Valerio Bozza (Salerno_Observatory_FLI) | 452 |
| Sebastian Kurowski (SOAB_ZWO-ASI2600MM) | 400 |
| Staszek Zola (OAUJ-CDK500_U47) | 196 |
| Agata Wozniak (UZPW50_Chile_QHY268PRO) | 89 |
| Marcin Michalski (Seestar-S50) | 80 |
| Jan Kåre Trandem Qvam (HAO68_C3-26000) | 80 |
| Josep Manel Carrasco (TJO_MEIA3) | 78 |
| Evangelos Gkiokas (Kryoneri-1.2_Andor-Zyla) | 65 |
| Rachel Street (LCOGT-CTIO-1m_4K) | 62 |
| Franz-Josef Hambsch (AndromedaC14_QHY600M) | 56 |
| Nada Ihanec (LCOGT-SS-1m_4K) | 54 |
| Franky Dubois (Adonis_G2-1600) | 49 |
| Charles Galdies (ZAO_G2-1600) | 46 |
| Staszek Zola (PROMPT5_Apogee) | 46 |
| Adam Popowicz (SUTO-Otivar_ASI1600MM) | 42 |
| Nada Ihanec (LCOGT-CTIO-1m_4K) | 37 |
| Rachel Street (LCOGT-SAAO-1m_4K) | 30 |
| Jacek Drazkowski (Seestar-S50) | 16 |
| Rachel Street (LCOGT-SS-1m_4K) | 14 |
| Dariia Rusanova (AZT-8_C4-16000) | 10 |
| Staszek Zola (PROMPT-MO-1_Apogee) | 8 |
| Weronika Skrobacz (Seestar-S50) | 8 |
| Krzysztof Słowik (Seestar-S50) | 6 |
| Sjoerd Dufoer (EEye_QHY268M) | 5 |
| Fraser Lewis (LCOGT-HO-2m_Muscat) | 4 |
| Jakub Kolář (MUOZdanice_C5A-150M) | 4 |
| Jacek Drazkowski (Seestar-S30) | 4 |
| Fraser Lewis (LCOGT-SS-2m_Muscat) | 4 |
| Mauritz Wicker (LCOGT-SAAO-1m_4K) | 3 |
| Staszek Zola (RRRT_SBIG-STX16803) | 3 |
| Eduardo Concepcion (TTT_QHY600MPCIE) | 2 |
| Jerzy Surma (Seestar-S50) | 2 |
Top 5 data uploaders!
| name | count |
|---|---|
| Franz-Josef Hambsch | 2565 |
| Valerio Bozza | 452 |
| Sebastian Kurowski | 400 |
| Staszek Zola | 253 |
| Rachel Street | 106 |
Clear skies!
Your BHTOM Team
bhtom.space
Reply all
Reply to author
Forward
0 new messages