BHTOM Targets for 01 June, 2026
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wyrz...@gmail.com
Jun 1, 2026, 12:15:50 PM (10 days ago) Jun 1
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Hello,
Top 5 data uploaders!
Clear skies!
Your BHTOM Team
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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 2026-06-01 16:06:56.734858+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 |
|---|---|---|---|---|---|---|
| AT2026noc | 176.137979 | -68.80915 | 12.6 | 117.0 | Nova | ASASSN-26no Nova |
| AT2026nik | 170.717167 | -6.22190 | 19.8 | 103.0 | Unknown | fast-rising, blue transient |
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 | 7.9 | 131.0 | Nova | recurent nova predicted to explode 2024/2025 |
| TCP J21220926+4926242 | 320.537548 | 49.440144 | 12.3 | 84.0 | YSO | Bright FUor or EXor, or in between. |
| AT2026lck | 280.993979 | 1.880128 | 13.2 | 140.0 | Nova | Weird recurrent nova in the Milky Way |
| BL_Lac | 330.680381 | 42.277772 | 13.5 | 81.0 | BL Lac | famous variable blazar |
| SN 2026fov | 337.113504 | 30.298461 | 13.8 | 80.0 | SN | Closeby Type II supernova at 11.82 Mpc |
| GROJ2058+42 | 314.698071 | 41.776995 | 14.0 | 92.0 | XRB | Be X-ray binary |
| Mrk 841 | 226.004963 | 10.437732 | 14.2 | 141.0 | AGN | changinglook AGN |
| Gaia21fji | 315.992250 | 50.244500 | 14.2 | 87.0 | YSO | Optical monitoring of Gaia- and ZTF-alerted candidate eruptive YSOs |
| AT2025sqe | 288.715125 | 8.001778 | 15.1 | 131.0 | Unknown | slow galactic very red transient |
| SN 2026kid | 228.988442 | 56.308914 | 15.4 | 100.0 | SN | Closeby Type II supernova at 14 Mpc. Strong CSM interaction |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.5 | 104.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| SN 2026fvx | 183.742221 | 63.787892 | 15.5 | 81.0 | SN | nearby supernova Type Ia |
| SN 2026dix | 177.655950 | 55.353589 | 16.1 | 82.0 | SN | Closeby IIb supernova |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.2 | 126.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| SN 2025aico | 172.318154 | 20.585703 | 17.2 | 94.0 | SN | Young SN classified as a II or IIb |
| AM_Her | 274.055228 | 49.867989 | 17.3 | 105.0 | CV | Target for joint optical-radio observations |
| SN 2026gwx | 172.045321 | 25.656667 | 17.3 | 92.0 | SN | New nearby SN Ib with a redshift of 0.009 |
| SN2024afyu | 258.429383 | 7.625256 | 17.8 | 149.0 | SN | Interesting long-term Supernova |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| HD 98800 | 170.521620 | -24.777768 | 10.5 | 109.0 | YSO | Pre-main sequence quadruple system (AaAb + BaBb) with circumbinary (BaBb) disk to eclipse AaAb |
| TYC 9231-1222-1 | 181.862074 | -70.489348 | 10.8 | 118.0 | EB | S2 Mus from Squadra group. 2.14-d period well visible with 0.12 mag (binary A), 2.49-d period with 0.02-0.05 mag (binary B) |
| GaiaDR3_4263591911398361472 | 289.926500 | -0.049900 | 11.3 | 134.0 | 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) |
| V0384 Cen | 174.822039 | -62.174743 | 11.6 | 117.0 | EB | S2 Cen from Squadra group, 12.6-d period (binary A), 3.6-d period (binary B) |
| ASASSN-26bp | 225.854950 | -63.189410 | 12.4 | 136.0 | Variable star-other | Star Undergoing Deep Dimming Events |
| V4141 Sgr | 267.599257 | -19.895328 | 12.9 | 162.0 | Symbiotic star | symbiotic star |
| ngc 3783 | 174.757132 | -37.738611 | 13.3 | 116.0 | 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 | 134.0 | AGN | Long term monitored AGN |
| V5856 Sgr | 275.217710 | -28.370030 | 14.0 | 155.0 | Nova | CV and Nova outburts |
| Nova Centauri 2025 | 219.340667 | -58.794667 | 14.4 | 138.0 | Nova | potential nova from ASASSN, V1935 Cen |
| Gaia19dbf | 178.699417 | -64.491850 | 14.5 | 118.0 | Unknown | Possibly a YSO |
| AT 2025nlr | 227.013640 | -40.141550 | 14.6 | 154.0 | Nova | Astro-COLIBRI target |
| Nova Sagittarii 2025 no.4 | 270.969917 | -31.456667 | 15.2 | 158.0 | Nova | Nova Sgr 2025 No. 4 is TCP J18035290-3127298 is TCP J18035278-3127240 |
| ASASSN-26af | 82.501958 | -66.724833 | 15.2 | 89.0 | Unknown | Undergoing Deep Dimming Events in the LMC |
| AT2026ayt | 141.847458 | -32.008578 | 15.4 | 88.0 | SN | Type II SN |
| SN 2026mho | 301.909587 | -21.118444 | 15.7 | 131.0 | SN | Closest undisputed Type IIn SN in the last decade. |
| ZTF20abendxc | 281.224708 | -8.538111 | 16.2 | 146.0 | YSO | Possibly eruptive YSO |
| AT2026loo | 155.518446 | -10.510631 | 16.2 | 91.0 | TDE | ePESSTO+ target TDE |
| ASASSN-25cd | 277.969917 | -28.807539 | 16.3 | 153.0 | Unknown | A Deep, Ongoing, Dipping Event |
| AT2026lau | 164.921043 | -10.693675 | 16.5 | 100.0 | Unknown | transient optical event near the galactic core |
| Gaia24amo | 249.148921 | -53.749919 | 17.0 | 148.0 | Microlensing Event | candidate microlensing event, with the second peak |
| Gaia23cnm | 285.322920 | -18.717130 | 17.4 | 146.0 | Unknown | slow and long rise, possible microlensing or YSO |
| AT2026kis | 315.044821 | -32.284722 | 17.6 | 121.0 | Unknown | short-lived transient, still on-going |
| SN2026kmo | 146.675146 | -14.867561 | 17.8 | 85.0 | SN | Young Type II supernova, weird because faint |
| AT2023aece | 238.433929 | -14.738814 | 17.9 | 168.0 | AGN | nuclear transient with an extremely long lived, rising lightcurve. |
Last week's total of images processed: 43799 (40024 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | TabbysStar, TCP J21220926+4926242, SN 2026dix, SN 2026fvx, Gaia24ayd, Gaia24azc, AM_Her, TCrB, Gaia24dfv |
| BIALKOW_ANDOR-DW432 | HD 237963, TCrB |
| EEye_QHY268M | Gaia24csq, AT2025acft, Q0957+561_A, AT 2025acve |
| Flarestar-MPC171_G2-1600 | TCrB |
| Flarestar-MPC171_QHY268M | RUWE 18 star, 1H2202+501, AT2026lck, Gaia21fji, TCrB |
| Kryoneri-1.2_Andor-Zyla | Mrk 841, TCrB, V1117 Her |
| LCOGT-CTIO-1m_4K | AT2026nik, AT2026ayt, SN2026kmo, GaiaDR3_4254224690815185408 |
| LCOGT-HO-2m_Muscat | MAXI J1803-298, MAXI J1659-152, V404_Cyg, 4U 1957+11, Cen X-4, Aql X-1, MAXI J1910-057, V4641 Sgr |
| LCOGT-MCD-1m_4K | GaiaDR3_4254224690815185408, AT2021aeuk |
| LCOGT-SAAO-1m_4K | SN2026kmo, AT2026ayt, Gaia24amo, AT2026lck |
| LCOGT-SS-1m_4K | SN2026kmo, GaiaDR3_4254224690815185408 |
| LCOGT-Teide-1m_4K | AT2026nik, AT2021aeuk |
| LCOGT-Teide-40cm_QHY600M | OJ_287 |
| OAUJ-CDK500_U47 | SN2024afyu, EECep, AT2025sqe, AT2025acft, SN 2026kid, SN 2026fvx, AT2025abao, SN 2026fjc, SN 2026dix |
| Ostrowik-60-cm_SOFIA_E2V | SN2024afyu, RZ_LMi, AMCVn, SN_2026jlm, AT 2026lxf, 8C0716_714, ER_UMa |
| PIRATE_FLI | UGC10435, SN_2026jlm, AT2026lck, SN 2026kid, TDE2026irt, TCrB |
| PROMPT-MO-1_Apogee | AT2026loo |
| PROMPT5_Apogee | AT2026ayt |
| ROAD40_FLI-KAF-16803 | FO_Aqr, V803Cen |
| ROADC14_QHY600M | ASASSN-25eh |
| SOAB_ZWO-ASI2600MM | Gaia23axf, SN 2026gwx, SN2024afyu, Mrk 841, LS I +61 302, Gaia24bux, Gaia23bab, TCP J21220926+4926242, EECep, SN 2025aico, 8C0716_714, Mrk 817, TCrB, AT2025abao, Gaia16aoz, AM_Her, SN 2026dix, AT 2025acve |
| SUTO-Otivar_ASI1600MM | 1H1936+541, TCrB, HD 140122, NSVS 5871089 |
| Salerno_Observatory_FLI | Mrk 841, V1413 Aql, GROJ2058+42, TCP J21220926+4926242, EECep, SAXJ2103.5_4545, Mrk 817, SN 2026kid, SN 2026fvx, Gaia24ayd, Gaia21fji, KS1947+300, TCrB, AM_Her |
| Seestar-S30 | 8C0716_714, BL_Lac |
| Seestar-S50 | R CrB, SN 2026fov, ASASSN-21ku, 8C0716_714, AT 2026lxf, AT2026lck, SN 2026kid, SN 2026fvx, TCrB, CM_Del, Gaia21esb, AM_Her, BL_Lac, Z_Cam |
| TJO_MEIA3 | Gaia18bwz, SN2024afyu, Gaia24bux, GaiaDR3_4263591911398361472, EECep, SN 2026fvx, Gaia24ayd, Gaia16aoz, AM_Her, TCrB |
| UZPW50_Chile_QHY268PRO | ASASSN-25fd, Gaia24dcc, Gaia19dbf, SN 2026kie, AT2026bti, TCrB, ngc 3783, V1413 Aql, AT2026ava, Gaia24csr, HE1104-1805, SN 2026mho, Gaia24dfe, SN2013bw, HD 312919, NGC 6814, GaiaDR3_4263591911398361472, SN2026gzx, AT2025hfm, 1RXS J1525069-032647 |
| UwB_SBIG-4040 | TCrB |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROAD40_FLI-KAF-16803) | 35135 |
| Weronika Skrobacz (Seestar-S50) | 3752 |
| Franz-Josef Hambsch (ROADC14_QHY600M) | 852 |
| Staszek Zola (OAUJ-CDK500_U47) | 785 |
| Valerio Bozza (Salerno_Observatory_FLI) | 764 |
| Sebastian Kurowski (SOAB_ZWO-ASI2600MM) | 420 |
| Lukasz Wyrzykowski (Ostrowik-60-cm_SOFIA_E2V) | 367 |
| Josep Manel Carrasco (TJO_MEIA3) | 274 |
| Stephen M. Brincat (Flarestar-MPC171_QHY268M) | 218 |
| Andżelika Jania (BIALKOW_ANDOR-DW432) | 206 |
| Amelia Rzepka (BIALKOW_ANDOR-DW432) | 206 |
| Przemyslaw J. Mikolajczyk (BIALKOW_ANDOR-DW432) | 190 |
| Michal Zejmo (UZPW50_Chile_QHY268PRO) | 173 |
| Franky Dubois (Adonis_G2-1600) | 49 |
| Sjoerd Dufoer (EEye_QHY268M) | 40 |
| Fraser Lewis (LCOGT-HO-2m_Muscat) | 40 |
| Astro Koluszki (Seestar-S50) | 38 |
| Jacek Drazkowski (Seestar-S50) | 30 |
| Alexios Liakos (Kryoneri-1.2_Andor-Zyla) | 30 |
| Andrew Crichton (PIRATE_FLI) | 23 |
| Lukasz Wyrzykowski (Seestar-S50) | 22 |
| Adam Popowicz (SUTO-Otivar_ASI1600MM) | 22 |
| Staszek Zola (PROMPT5_Apogee) | 21 |
| Jacek Drazkowski (Seestar-S30) | 20 |
| Joysankar Majumdar (LCOGT-Teide-1m_4K) | 16 |
| Tom McMahon (PIRATE_FLI) | 11 |
| Lukasz Wyrzykowski (LCOGT-SAAO-1m_4K) | 8 |
| Mauritz Wicker (LCOGT-CTIO-1m_4K) | 7 |
| Joysankar Majumdar (LCOGT-CTIO-1m_4K) | 7 |
| cristina sironi sommer (PIRATE_FLI) | 6 |
| Mauritz Wicker (LCOGT-SAAO-1m_4K) | 6 |
| Mauritz Wicker (LCOGT-MCD-1m_4K) | 6 |
| Staszek Zola (PROMPT-MO-1_Apogee) | 5 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 5 |
| Marcus Wagner (PIRATE_FLI) | 4 |
| Wojciech Burzyński (UwB_SBIG-4040) | 4 |
| Ian Brown (PIRATE_FLI) | 3 |
| Zhuoqun Wan (PIRATE_FLI) | 3 |
| Tyler Barnes (PIRATE_FLI) | 3 |
| Mauritz Wicker (LCOGT-SS-1m_4K) | 3 |
| Priscila Pessi (LCOGT-SS-1m_4K) | 3 |
| Joysankar Majumdar (LCOGT-MCD-1m_4K) | 3 |
| Joysankar Majumdar (LCOGT-SAAO-1m_4K) | 3 |
| Priscila Pessi (LCOGT-SAAO-1m_4K) | 3 |
| Lukasz Wyrzykowski (LCOGT-Teide-40cm_QHY600M) | 3 |
| Priscila Pessi (LCOGT-CTIO-1m_4K) | 3 |
| Roland Chuter (PIRATE_FLI) | 3 |
| Jacob Wilson (PIRATE_FLI) | 2 |
| Lukasz Wyrzykowski (Seestar-S30) | 2 |
Top 5 data uploaders!
| name | count |
|---|---|
| Franz-Josef Hambsch | 35987 |
| Weronika Skrobacz | 3752 |
| Staszek Zola | 811 |
| Valerio Bozza | 764 |
| Sebastian Kurowski | 420 |
Clear skies!
Your BHTOM Team
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