BHTOM Targets for 15 June, 2026
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wyrz...@gmail.com
Jun 15, 2026, 9:51:15 AMJun 15
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Hello,
Top 5 data uploaders!
Clear skies!
Your BHTOM Team
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Greetings from the BHTOM Automated Newsletter!
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As of 2026-06-15 13:40:11.735941+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 |
|---|---|---|---|---|---|---|
| SN2026cyb | 212.462417 | 1.751433 | 17.2 | 125.0 | Peculiar Supernova | Classified as SN IIn, but it could be ambiguous nuclear transient |
| LSST_170446338212233348 | 242.495303 | -12.887171 | 18.6 | 158.0 | Unknown | LSST Orphan |
| AT2026msw | 225.959508 | -18.803986 | 19.2 | 145.0 | Unknown | Interesting nuclear transient with a very long rise |
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 | 126.0 | Nova | recurent nova predicted to explode 2024/2025 |
| GAIA DR3 2207162600835525760 | 343.140631 | 62.313246 | 9.2 | 74.0 | YSO | High scientific interest embedded field. Extreme RUWE 33 Optically unresolved Please dont saturate |
| HD216629 | 343.315017 | 62.145834 | 10.6 | 74.0 | YSO | Herbig Ae need first analysisch for survey |
| TYC4282-930-1 | 343.409336 | 62.615911 | 10.9 | 74.0 | YSO | LS III +62 22 -- Young Stellar Object |
| Gaia DR3 2207274751021560576 | 343.276248 | 62.609052 | 11.7 | 74.0 | YSO | High scientific interest in an embedded field. Extreme RUWE 33. Please dont saturate the star |
| UCAC-4 710-082844 | 320.370041 | 51.815437 | 13.4 | 90.0 | 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) |
| BL_Lac | 330.680381 | 42.277772 | 13.7 | 90.0 | BL Lac | famous variable blazar |
| Gaia18dry | 215.626540 | 32.386230 | 13.9 | 108.0 | BL Lac | Possible changing look AGN (OQ 334), gamma flaring 4FGL J1422.3+3223 |
| GROJ2058+42 | 314.698071 | 41.776995 | 14.0 | 99.0 | XRB | Be X-ray binary |
| AT2026lck | 280.993979 | 1.880128 | 14.0 | 149.0 | Nova | Weird recurrent nova in the Milky Way |
| Mrk 841 | 226.004963 | 10.437732 | 14.6 | 130.0 | AGN | changinglook AGN |
| AT2025sqe | 288.715125 | 8.001778 | 15.4 | 140.0 | Unknown | slow galactic very red transient |
| SN 2026fov | 337.113504 | 30.298461 | 15.4 | 91.0 | SN | Closeby Type II supernova at 11.82 Mpc |
| SN 2026kid | 228.988442 | 56.308914 | 15.7 | 95.0 | SN | Closeby Type II supernova at 14 Mpc. Strong CSM interaction |
| SN 2026fvx | 183.742221 | 63.787892 | 15.8 | 74.0 | SN | nearby supernova Type Ia |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.1 | 116.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| SN 2026fjc | 195.179418 | 37.310053 | 16.4 | 92.0 | SN | SN Ia (according to TNS) |
| SN 2026dix | 177.655950 | 55.353589 | 16.6 | 73.0 | SN | Closeby IIb supernova |
| SN 2025aico | 172.318154 | 20.585703 | 17.2 | 81.0 | SN | Young SN classified as a II or IIb |
| SN2024afyu | 258.429383 | 7.625256 | 17.5 | 149.0 | SN | Interesting long-term Supernova |
| AT2026dmu | 224.692321 | 37.583406 | 17.7 | 109.0 | Unknown | Bowen Fluorescence Flare |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| HD 98800 | 170.521620 | -24.777768 | 9.2 | 97.0 | YSO | Pre-main sequence quadruple system (AaAb + BaBb) with circumbinary (BaBb) disk to eclipse AaAb |
| TYC 9231-1222-1 | 181.862074 | -70.489348 | 10.2 | 115.0 | 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) |
| GaiaDR3_4263591911398361472 | 289.926500 | -0.049900 | 10.3 | 145.0 | 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 | 11.3 | 111.0 | 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) |
| ASASSN-26bp | 225.854950 | -63.189410 | 12.2 | 133.0 | Variable star-other | Star Undergoing Deep Dimming Events |
| TYC 8288-317-1 | 222.829803 | -49.723471 | 12.6 | 139.0 | 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) |
| V4141 Sgr | 267.599257 | -19.895328 | 13.0 | 175.0 | Symbiotic star | symbiotic star |
| Gaia19dbf | 178.699417 | -64.491850 | 14.3 | 113.0 | Unknown | Possibly a YSO |
| AT 2025nlr | 227.013640 | -40.141550 | 14.6 | 145.0 | Nova | Astro-COLIBRI target |
| TIC 99629496 | 291.689208 | -10.716439 | 14.8 | 150.0 | 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) |
| Nova Centauri 2025 | 219.340667 | -58.794667 | 15.0 | 133.0 | Nova | potential nova from ASASSN, V1935 Cen |
| ASASSN-26af | 82.501958 | -66.724833 | 15.1 | 90.0 | Unknown | Undergoing Deep Dimming Events in the LMC |
| AT2026noc | 176.137979 | -68.809150 | 15.1 | 113.0 | Nova | ASASSN-26no Nova |
| Nova Sagittarii 2025 no.4 | 270.969917 | -31.456667 | 15.3 | 169.0 | Nova | Nova Sgr 2025 No. 4 is TCP J18035290-3127298 is TCP J18035278-3127240 |
| ZTF26aavkosv | 265.577306 | -21.392464 | 15.5 | 177.0 | Microlensing Event | Microlensing candidate from ZTF |
| AT2026ayt | 141.847458 | -32.008578 | 15.6 | 79.0 | SN | Type II SN |
| ZTF20abendxc | 281.224708 | -8.538111 | 16.0 | 157.0 | YSO | Possibly eruptive YSO |
| SN 2026mho | 301.909587 | -21.118444 | 16.1 | 144.0 | SN | Closest undisputed Type IIn SN in the last decade. |
| ASASSN-25cd | 277.969917 | -28.807539 | 16.3 | 166.0 | Unknown | A Deep, Ongoing, Dipping Event |
| AT2026lau | 164.921043 | -10.693675 | 16.5 | 87.0 | Unknown | transient optical event near the galactic core |
| AT2026loo | 155.518446 | -10.510631 | 17.2 | 78.0 | TDE | ePESSTO+ target TDE |
| Gaia24amo | 249.148921 | -53.749919 | 17.4 | 148.0 | Microlensing Event | candidate microlensing event, with the second peak |
| Gaia23cnm | 285.322920 | -18.717130 | 17.4 | 159.0 | Unknown | slow and long rise, possible microlensing or YSO |
Last week's total of images processed: 55464 (53658 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | SN 2026fov, SN 2026fvx, TCrB, AM_Her, TabbysStar, TCP J21220926+4926242 |
| AndromedaC14_QHY600M | SN 2026fvx, TCrB |
| EEye_QHY268M | Gaia24csq, Q0957+561_A |
| Flarestar-MPC171_G2-1600 | TCrB |
| Flarestar-MPC171_QHY268M | 1H2202+501, Gaia21fji, AT2026lck, TCrB |
| Kryoneri-1.2_Andor-Zyla | AT2026lck, SN 2026fjc, SN 2026fvx, SN2024afyu, AT2026dmu, TCrB, SN 2026kid, SN 2026dix |
| LCOGT-CTIO-1m_4K | Gaia24amo, OGLE-2026-BLG-0128 |
| LCOGT-HO-2m_Muscat | MAXI J1820+070, V4641 Sgr, Aql X-1, V404_Cyg, V406 Vul, QZ Vul, 4U 1957+11, V1037Cas, MAXI J1807+132 |
| LCOGT-HO-40cm_QHY600M | Gaia18dry, HD 98800 |
| LCOGT-SAAO-1m_4K | OGLE-2026-BLG-0128 |
| LCOGT-SAAO-40cm_QHY600M | HD 98800 |
| LCOGT-Teide-1m_4K | 7C162526.19_544847.00 |
| LCOGT-Teide-40cm_QHY600M | Gaia18dry |
| MOLETAI-80cm_SOPHIA-4096B | 8C0716_714, ZTF18aarippg |
| Moravian_C3-61000_PRO | TCP J21220926+4926242 |
| OAUJ-CDK500_U47 | SN 2026fjc, AT2025abao, TDE2026irt, TCrB |
| PIRATE_FLI | Mrk 421, PGC55454, TDE2026irt, PGC3388975, UGC10238, SN 2026kid, AT2026bti |
| PROMPT-MO-1_Apogee | AT2026loo, Gaia22alz, Gaia20agb |
| PROMPT5_Apogee | ASASSN-26bl |
| ROAD40_FLI-KAF-16803 | WX Cen, AO Psc |
| ROAD40_QHY600M | ASASSN-25db, HD 98800, ASASSN-21js, HD 269858, AO Psc, Gaia24ccy, ASASSN-25bv, TCrB, V1117 Her, CD-34 11794, Gaia23dnm, ASASSN-21qj, V803Cen, TCP J18265456-2719122, Gaia19eyy, Gaia23cpd, EX Lup, HD 312919 |
| ROADC14_QHY600M | V1280 Sco, Ross 154, ASASSN-25ci, ASASSN-26dn, AT 2025nlr, AT2025xvc, V4141 Sgr, ASASSN-26cp, ASASSN-26bp, ASASSN-26cm, AR_Pav, SN 2026mho, AT2026lck, Nova Velorum 2025, Nova Centauri 2025, V5856 Sgr, V1413 Aql, Nova Sagittarii 2025 no.4, ASASSN-23ht, ASASSN-25cy, AT2026noc |
| SRO-T24_FLI-PL09000 | SN 2026obc |
| Salerno_Observatory_FLI | GROJ2058+42, Gaia21eez, SN 2026fvx, AT2025sqe, Gaia DR3 2207274751021560576, AT2026lck, Mrk 841, Gaia24ayd, TCrB, GAIA DR3 2207162600835525760, BL_Lac, Gaia21fji, SN 2026kid |
| Seestar-S30 | BL_Lac |
| Seestar-S50 | SN 2026fov, 8C0716_714, CM_Del, AT2026lck, SN 2026fvx, Z_Cam, Gaia21esb, TCrB, BL_Lac, AM_Her, Gaia18dry, Gaia21fji, TCP J00560713+4301406, R CrB, SN 2026kid, TCP J21220926+4926242 |
| TTT3_COLORS | 2026ngr |
| UDRO-T21_FLI-PL6303E | SN 2026obc |
| ZAO_G2-1600 | SN 2026fvx, TCrB |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROAD40_QHY600M) | 44597 |
| Franz-Josef Hambsch (ROAD40_FLI-KAF-16803) | 6459 |
| Franz-Josef Hambsch (ROADC14_QHY600M) | 2776 |
| Valerio Bozza (Salerno_Observatory_FLI) | 432 |
| Staszek Zola (OAUJ-CDK500_U47) | 220 |
| Charles Galdies (ZAO_G2-1600) | 207 |
| Michal Siwak (Moravian_C3-61000_PRO) | 173 |
| Stephen M. Brincat (Flarestar-MPC171_QHY268M) | 70 |
| Dimitrios Athanasopoulos (Kryoneri-1.2_Andor-Zyla) | 60 |
| Franky Dubois (Adonis_G2-1600) | 59 |
| Fraser Lewis (LCOGT-HO-2m_Muscat) | 48 |
| Rachel Street (LCOGT-SAAO-1m_4K) | 40 |
| Weronika Skrobacz (Seestar-S50) | 36 |
| Evangelos Gkiokas (Kryoneri-1.2_Andor-Zyla) | 30 |
| Rachel Street (LCOGT-CTIO-1m_4K) | 28 |
| Aaron Cunningham (PIRATE_FLI) | 21 |
| Lukasz Wyrzykowski (LCOGT-HO-40cm_QHY600M) | 18 |
| Staszek Zola (PROMPT-MO-1_Apogee) | 17 |
| Filipp Romanov (UDRO-T21_FLI-PL6303E) | 15 |
| Franz-Josef Hambsch (AndromedaC14_QHY600M) | 15 |
| Justas Zdanavicius (MOLETAI-80cm_SOPHIA-4096B) | 15 |
| Astro Koluszki (Seestar-S50) | 14 |
| Lukasz Wyrzykowski (LCOGT-Teide-40cm_QHY600M) | 12 |
| Jacob Wilson (PIRATE_FLI) | 12 |
| Sjoerd Dufoer (EEye_QHY268M) | 12 |
| Lukasz Drzewoszewski (Seestar-S30) | 12 |
| Zbigniew Grabowski (Seestar-S50) | 12 |
| Zoltan Hangyasi (PIRATE_FLI) | 7 |
| Filipp Romanov (SRO-T24_FLI-PL09000) | 7 |
| Lukasz Wyrzykowski (LCOGT-SAAO-40cm_QHY600M) | 6 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 5 |
| Erica Horwood (PIRATE_FLI) | 4 |
| Lukasz Wyrzykowski (LCOGT-Teide-1m_4K) | 4 |
| Mauritz Wicker (LCOGT-CTIO-1m_4K) | 3 |
| Daniel Redshaw (PIRATE_FLI) | 3 |
| Emily Collinson (PIRATE_FLI) | 3 |
| Eleanor Macdonald (PIRATE_FLI) | 3 |
| Greg Baird (PIRATE_FLI) | 3 |
| Tomislav Korman (PIRATE_FLI) | 3 |
| Staszek Zola (PROMPT5_Apogee) | 2 |
| Eduardo Concepcion (TTT3_COLORS) | 1 |
Top 5 data uploaders!
| name | count |
|---|---|
| Franz-Josef Hambsch | 53847 |
| Valerio Bozza | 432 |
| Staszek Zola | 239 |
| Charles Galdies | 207 |
| Michal Siwak | 173 |
Clear skies!
Your BHTOM Team
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