BHTOM Targets for 23 June, 2026
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wyrz...@gmail.com
Jun 23, 2026, 4:14:10 AM (12 days ago) Jun 23
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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 2026-06-23 08:08:10.606009+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 |
|---|---|---|---|---|---|---|
| AT 2026pme | 202.469583 | 47.194444 | 13.4 | 86.0 | Unknown | Astro-COLIBRI target |
| NGC 4593 | 189.914330 | -5.344170 | 14.4 | 100.0 | AGN | Seyfert 1 AGN; will be soon observed in XRISM AO3 with high resolution X-ray spectroscopy |
| SN 2007it | 214.606790 | -43.381610 | 20.2 | 130.0 | SN | Astro-COLIBRI target |
| SN 2026pub | 206.406162 | -5.993286 | 100.0 | 115.0 | SN | Nearby SN II with redshift of 0.004837. |
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 | 9.1 | 122.0 | Nova | recurent nova predicted to explode 2024/2025 |
| GAIA DR3 2207162600835525760 | 343.140631 | 62.313246 | 9.2 | 77.0 | YSO | High scientific interest embedded field. Extreme RUWE 33 Optically unresolved Please dont saturate |
| HD216629 | 343.315017 | 62.145834 | 10.4 | 77.0 | YSO | Herbig Ae need first analysisch for survey |
| TYC4282-930-1 | 343.409336 | 62.615911 | 10.7 | 77.0 | YSO | LS III +62 22 -- Young Stellar Object |
| Gaia DR3 2207274751021560576 | 343.276248 | 62.609052 | 11.7 | 77.0 | YSO | High scientific interest in an embedded field. Extreme RUWE 33. Please dont saturate the star |
| Gaia18dry | 215.626540 | 32.386230 | 13.7 | 103.0 | BL Lac | Possible changing look AGN (OQ 334), gamma flaring 4FGL J1422.3+3223 |
| BL_Lac | 330.680381 | 42.277772 | 13.7 | 95.0 | BL Lac | famous variable blazar |
| CM_Del | 306.237210 | 17.298420 | 13.9 | 127.0 | CV | Z Cam type dwarf nova (IW And sub-class) |
| GROJ2058+42 | 314.698071 | 41.776995 | 14.0 | 104.0 | XRB | Be X-ray binary |
| UCAC-4 710-082844 | 320.370041 | 51.815437 | 14.5 | 93.0 | EB | S4 Cyg from Squadra group, 2,1953-d period, maximum amplitude ~ 0,35 mag (binary A), 1,6280-d period, maximum amplitude ~ 0,08 mag (binary B) |
| AT2026lck | 280.993979 | 1.880128 | 14.8 | 153.0 | Nova | Weird recurrent nova in the Milky Way |
| AT2025sqe | 288.715125 | 8.001778 | 15.4 | 144.0 | Unknown | slow galactic very red transient |
| SN 2026kid | 228.988442 | 56.308914 | 15.7 | 93.0 | SN | Closeby Type II supernova at 14 Mpc. Strong CSM interaction |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.1 | 110.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| SN 2026fov | 337.113504 | 30.298461 | 16.2 | 97.0 | SN | Closeby Type II supernova at 11.82 Mpc |
| SN 2026fjc | 195.179418 | 37.310053 | 16.4 | 86.0 | SN | SN Ia (according to TNS) |
| SN 2025aico | 172.318154 | 20.585703 | 16.9 | 74.0 | SN | Young SN classified as a II or IIb |
| SN2026cyb | 212.462417 | 1.751433 | 17.6 | 117.0 | Peculiar Supernova | Classified as SN IIn, but it could be ambiguous nuclear transient |
| AT2026dmu | 224.692321 | 37.583406 | 17.7 | 105.0 | Unknown | Bowen Fluorescence Flare |
| SN2024afyu | 258.429383 | 7.625256 | 17.8 | 146.0 | SN | Interesting long-term Supernova |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| AT2026noc | 176.137979 | -68.809150 | 8.4 | 110.0 | Nova | ASASSN-26no Nova |
| TYC 9231-1222-1 | 181.862074 | -70.489348 | 10.2 | 112.0 | EB | S2 Mus from Squadra group. 2.13397-d period well visible with 0.12 mag (binary A), 2.4962-d period with 0.02-0.05 mag (binary B) |
| HD 98800 | 170.521620 | -24.777768 | 10.5 | 90.0 | YSO | Pre-main sequence quadruple system (AaAb + BaBb) with circumbinary (BaBb) disk to eclipse AaAb |
| V0384 Cen | 174.822039 | -62.174743 | 11.3 | 108.0 | EB | S2 Cen from Squadra group, 12.6354-d period, large amplitudes ~0.3-0.4 mag, (binary A), 3.6402566-d period, low amplitudes ~ 0.03 mag (binary B) |
| GaiaDR3_4263591911398361472 | 289.926500 | -0.049900 | 11.7 | 151.0 | 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) |
| TYC 8288-317-1 | 222.829803 | -49.723471 | 12.8 | 134.0 | EB | S1 Lup from Squadra group, 8.2186-d period, amplitude ~0.02 mag (binary A), 11.167-d period, amplitude ~0.09 mag (binary B) |
| ASASSN-26bp | 225.854950 | -63.189410 | 12.8 | 130.0 | Variable star-other | Star Undergoing Deep Dimming Events |
| V4141 Sgr | 267.599257 | -19.895328 | 14.2 | 175.0 | Symbiotic star | symbiotic star |
| Gaia19dbf | 178.699417 | -64.491850 | 14.3 | 110.0 | Unknown | Possibly a YSO |
| Nova Centauri 2025 | 219.340667 | -58.794667 | 14.5 | 129.0 | Nova | potential nova from ASASSN, V1935 Cen |
| AT 2025nlr | 227.013640 | -40.141550 | 14.7 | 139.0 | Nova | Astro-COLIBRI target |
| ASASSN-26af | 82.501958 | -66.724833 | 15.1 | 90.0 | Unknown | Undergoing Deep Dimming Events in the LMC |
| TIC 99629496 | 291.689208 | -10.716439 | 15.2 | 157.0 | EB | S2 Aql from Squadra group, 3.2608-d period, amplitude 0.25 mag, (binary A), 4.6584-d period, amplitude 0.10 mag, (binary B) |
| SN 2026mho | 301.909587 | -21.118444 | 15.7 | 152.0 | SN | Closest undisputed Type IIn SN in the last decade. |
| AT2026ayt | 141.847458 | -32.008578 | 15.8 | 73.0 | SN | Type II SN |
| Nova Sagittarii 2025 no.4 | 270.969917 | -31.456667 | 15.8 | 172.0 | Nova | Nova Sgr 2025 No. 4 is TCP J18035290-3127298 is TCP J18035278-3127240 |
| ZTF20abendxc | 281.224708 | -8.538111 | 16.2 | 162.0 | YSO | Possibly eruptive YSO |
| AT2026lau | 164.921043 | -10.693675 | 16.5 | 79.0 | Unknown | transient optical event near the galactic core |
| ZTF26aavkosv | 265.577306 | -21.392464 | 16.6 | 174.0 | Microlensing Event | Microlensing candidate from ZTF |
| ASASSN-25cd | 277.969917 | -28.807539 | 16.9 | 172.0 | Unknown | A Deep, Ongoing, Dipping Event |
| Gaia24amo | 249.148921 | -53.749919 | 17.3 | 145.0 | Microlensing Event | candidate microlensing event, with the second peak |
| AT2023aece | 238.433929 | -14.738814 | 17.8 | 148.0 | AGN | nuclear transient with an extremely long lived, rising lightcurve. |
| AT2026loo | 155.518446 | -10.510631 | 17.8 | 71.0 | TDE | ePESSTO+ target TDE |
Last week's total of images processed: 20530 (20299 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| AZT-8_C4-16000 | Gaia14aaf, Gaia24amv, Gaia20bus, Gaia16amd, Gaia23aih, Gaia18dom, Gaia17cuh |
| Adonis_G2-1600 | TCP J21220926+4926242, AT2025acft, AM_Her, TCrB, TabbysStar, SN 2026fvx |
| Adyu60_Andor-934 | UCAC-4 710-082844, TIC 99629496 |
| AndromedaC14_QHY600M | TCrB, SN 2026fvx, 1H1936+541 |
| EEye_QHY268M | Gaia24csq, Q0957+561_A |
| Flarestar-MPC171_QHY268M | TCP J21220926+4926242, 1H2202+501, RUWE 18 star, Gaia21fji, TCrB, AT2025sqe, AT2026lck |
| Kryoneri-1.2_Andor-Zyla | TCrB, AT2025sqe, SN2024afyu, Gaia18dry, AT2026lck, GaiaDR3_4263591911398361472 |
| LCOGT-CTIO-1m_4K | Gaia24amo, AT2026ayt, AT 2026ofr |
| LCOGT-HO-2m_Muscat | QZ Vul, MAXI J1659-152, MAXI J1807+132, V4641 Sgr, V404_Cyg, MAXI J1910-057, MAXI J1820+070 |
| LCOGT-MCD-1m_4K | Gaia19ceq |
| LCOGT-MCD-40cm_QHY600M | Gaia18dry |
| LCOGT-SAAO-1m_4K | Gaia24amo, AT 2026ofr, LSST_170446338212233348 |
| LCOGT-SAAO-40cm_QHY600M | HD 98800, AT 2026ofr |
| LCOGT-SS-1m_4K | Gaia24amo |
| LCOGT-SS-2m_Muscat | GX 339-4, GRO J1719-24, 4U 1957+11, Aql X-1, MAXI J1659-152, Cen X-4 |
| LCOGT-Teide-1m_4K | 7C162526.19_544847.00, AT 2026ofr, LSST_170446338212233348 |
| LCOGT-Teide-40cm_QHY600M | Gaia18dry |
| MUOZdanice_C5A-150M | TCP J00560713+4301406 |
| NTT-SOFI_Hawaii | Gaia19ceq |
| OAUJ-Tymce-36cm_ASI-6200MM | AT2025abao, AT2025acft |
| PIRATE_FLI | SN_2026jlm |
| PROMPT-MO-1_Apogee | AT2026ayt, AT2026loo |
| PROMPT5_Apogee | AT2026ayt |
| ROAD40_FLI-KAF-16803 | VW Hyi, HZ Pup |
| ROAD40_QHY600M | Gaia19eyy, Gaia23cpd, CD-34 11794, Gaia23dnm, EX Lup, ASASSN-21js, TCrB, Gaia24ccy, ASASSN-25db, HD 312919, ASASSN-25bv, TCP J18265456-2719122, V1117 Her, HD 98800, ASASSN-21qj |
| ROADC14_QHY600M | AT2026lck, ASASSN-26bp, ASASSN-25cy, Nova Centauri 2025, AR_Pav, AT2026noc, V1413 Aql, Ross 154, ASASSN-23ht, Nova Sagittarii 2025 no.4, ASASSN-26cm, ASASSN-26cp, AT 2025nlr, V4141 Sgr, SN 2026mho, V5856 Sgr, Nova Velorum 2025, V1280 Sco |
| SUTO-Otivar_ASI1600MM | TCrB, HD 312919, ASASSN-V J222721.05+564425.3, TabbysStar |
| Salerno_Observatory_FLI | GAIA DR3 2207162600835525760, Mrk 841, TCP J21220926+4926242, SN 2026kid, Gaia DR3 2207274751021560576, BL_Lac, GROJ2058+42, TCrB, Gaia20cdl, Gaia21eez, AT2025sqe, SN 2026fvx, AT2026lck |
| Seestar-S30 | 8C0716_714, Gaia18dry, BL_Lac |
| Seestar-S50 | CM_Del, TCP J21220926+4926242, SN 2026kid, 8C0716_714, R CrB, BL_Lac, IGRJ06074+2205, TCP J00560713+4301406, TCrB, Gaia21esb, Z_Cam, SN2026cyb, SN 2026fov, SN 2026fvx, AT 2026lxf, Gaia18dry, AT2026lck |
| TJO_MEIA3 | SN 2026kid, Gaia24bux, AM_Her, TCrB, EECep, AT2025sqe, SN 2026fvx, GaiaDR3_4263591911398361472 |
| UwB_SBIG-4040 | Mrk 841, SN 2026gwx, 8C0716_714, Gaia DR3 2207274751021560576, V1413 Aql, GB6 J0742+5444, AM_Her, SN 2026kie, TCrB, SN 2026fvx, V1117 Her, ZTF18aarippg, AT2026lck, SDSS J101353.45+492758.1, SDSS_J154329.47+335908.6 |
| ZAO_G2-1600 | TCrB |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROAD40_FLI-KAF-16803) | 16625 |
| Valerio Bozza (Salerno_Observatory_FLI) | 685 |
| Zbigniew Grabowski (Seestar-S50) | 564 |
| Franz-Josef Hambsch (ROADC14_QHY600M) | 560 |
| Franz-Josef Hambsch (ROAD40_QHY600M) | 388 |
| Waldemar Ogloza (Adyu60_Andor-934) | 296 |
| Joysankar Majumdar (LCOGT-MCD-1m_4K) | 217 |
| Charles Galdies (ZAO_G2-1600) | 182 |
| Stephen M. Brincat (Flarestar-MPC171_QHY268M) | 172 |
| Josep Manel Carrasco (TJO_MEIA3) | 145 |
| Wojciech Burzyński (UwB_SBIG-4040) | 101 |
| Dimitrios Athanasopoulos (Kryoneri-1.2_Andor-Zyla) | 90 |
| Weronika Skrobacz (Seestar-S50) | 90 |
| Franz-Josef Hambsch (AndromedaC14_QHY600M) | 37 |
| Jacek Drazkowski (Seestar-S50) | 30 |
| Fraser Lewis (LCOGT-HO-2m_Muscat) | 28 |
| Jacek Drazkowski (Seestar-S30) | 28 |
| Joysankar Majumdar (NTT-SOFI_Hawaii) | 24 |
| Staszek Zola (OAUJ-Tymce-36cm_ASI-6200MM) | 24 |
| Fraser Lewis (LCOGT-SS-2m_Muscat) | 24 |
| Adam Popowicz (SUTO-Otivar_ASI1600MM) | 22 |
| Staszek Zola (PROMPT-MO-1_Apogee) | 19 |
| Franky Dubois (Adonis_G2-1600) | 19 |
| Astro Koluszki (Seestar-S50) | 18 |
| Andrii Simon (AZT-8_C4-16000) | 17 |
| Anna Olchowy (Seestar-S30) | 14 |
| Lukasz Wyrzykowski (LCOGT-CTIO-1m_4K) | 14 |
| Mauritz Wicker (LCOGT-SAAO-1m_4K) | 12 |
| Lukasz Wyrzykowski (LCOGT-SAAO-40cm_QHY600M) | 10 |
| Jakub Kolář (MUOZdanice_C5A-150M) | 10 |
| Mauritz Wicker (LCOGT-CTIO-1m_4K) | 9 |
| Sjoerd Dufoer (EEye_QHY268M) | 9 |
| Lukasz Wyrzykowski (LCOGT-Teide-40cm_QHY600M) | 8 |
| Lukasz Wyrzykowski (LCOGT-MCD-40cm_QHY600M) | 7 |
| Staszek Zola (PROMPT5_Apogee) | 6 |
| Joysankar Majumdar (LCOGT-CTIO-1m_4K) | 6 |
| Lukasz Wyrzykowski (LCOGT-Teide-1m_4K) | 4 |
| Lukasz Wyrzykowski (LCOGT-SAAO-1m_4K) | 4 |
| Mauritz Wicker (LCOGT-SS-1m_4K) | 3 |
| Rita Zeke (PIRATE_FLI) | 3 |
| Joysankar Majumdar (LCOGT-Teide-1m_4K) | 2 |
| Zbigniew Grabowski (Seestar-S30) | 2 |
| Joysankar Majumdar (LCOGT-SAAO-1m_4K) | 2 |
Top 5 data uploaders!
| name | count |
|---|---|
| Franz-Josef Hambsch | 17610 |
| Valerio Bozza | 685 |
| Zbigniew Grabowski | 566 |
| Waldemar Ogloza | 296 |
| Joysankar Majumdar | 251 |
Clear skies!
Your BHTOM Team
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