David's Astronomy Pages Images - Session 1190 (2024-02-23)

Images (S1189)

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Images (S1191)

Objects

Session Notes

(2) Pallas - Minor Planet 12P/Pons-Brooks - Comet 62P/Tsuchinshan - Comet 103P/Hartley - Comet     Capella     AT 2022uao - Type YSO? Transient AT 2023em - CV Type Transient AT 2023cts - Type YSO? Transient AT 2023rao - Transient AT 2023tjz - Transient / Carbon Star AT 2023tow - Nova Transient AT 2023txn - CV Type Transient AT 2023vww - CV Type Transient AT 2023wbv - CV Type Transient AT 2023aanv - CV Type Transient AT 2023abtv - CV Type Transient AT 2024crd - Type Nova? Transient     LEDA 83622 - Galaxy (PGC 83622) M101 - Spiral Galaxy with Type IIL Supernova 2023ixf MCG -1-33-30 - Irregular Galaxy with Type II Supernova 2024byg MCG -3-34-59 & MCG -3-34-60 - Galaxies     NGC 3690 - Spiral Galaxy with Type Ia Supernova 2023wrk NGC 4596 - Spiral Galaxy (Herschel I-24) NGC 4756 - Elliptical Galaxy NGC 5630 - Spiral Galaxy with Type IIP Supernova 2023zdx     UGC 3174 - Irregular Galaxy with Type IIb Supernova 2023mut UGC 9002 - Spiral Galaxy with Type II Supernova 2023pls UGC 11858 - Spiral Galaxy with Type Ia Supernova 2023rjj UGC 12639 - Spiral Galaxy with Type II Supernova 2023jri     Variable Stars (photometric monitoring) - BL Lac      Nearby Stars (astrometric monitoring) - Barnards Star

- All Night Session (10.8 hrs)     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: -3.5°C (min) - CCD Temperature:   -20°/25°C     - Notes from 2024-02-23 >>

Observing Result

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(2) Pallas - Minor Planet

(2) Pallas - 2024-02-24 (passing through Hercules) Sun Distance 2.76 AU Earth Distance 2.57 AU (383.9 million km) (Ra Rate : 34.37 arcsec/hr, Dec Rate: 29.75 arcsec/hr)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 20s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 05:30 UT (#1190292-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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12P/Pons-Brooks - Comet (Outburst)

12P/Pons-Brooks - 2024-02-24 am (passing through  Andromeda) Sun Distance 1.29 AU (approaching) Earth Distance 1.72 AU (257.9 million km)		12P/Pons-Brooks -  2024-02-24 am Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 187.37 arcsec/hr, Dec -23.30 arcsec/hr)
Annotated CCD Image (50% size, log scale) 90s exposure (single frame), 3x3 binning, Clear Filter 2024-02-24 05:11 UT (#1190284) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, log root scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 05:14 UT (#1190283-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
12P/Pons-Brooks - 2024-02-24 am Detail		12P/Pons-Brooks - 2024-02-24 am Detail
Annotated false-colour CCD Image (50% size, log scale) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 05:14 UT (#1190283-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated false-colour CCD Image (100% size, log scale, cropped) Inverse Spectrum Image details as left
Images of 12P/Pons-Brooks on Comets 2023 Page >>
Images of 12P/Pons-Brooks on Comets 2024 Page >>

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62P/Tsuchinshan - Comet

62P/Tsuchinshan - 2024-02-24 (passing through Virgo) Sun Distance 1.46 AU (receeding) Earth Distance 0.52 AU (78.2 million km) Passing near NGC 4599 (H I-24)		62P/Tsuchinshan - 2024-02-24 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -15.35 arcsec/hr, Dec 3.32 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 01:25 UT (#1190167-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, square root scale, cropped) 7 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 01:29 UT (#1190167-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 62P/Tsuchinshan on Comets 2023 Page >>
Images of 62P/Tsuchinshan on Comets 2024 Page >>

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103P/Hartley - Comet

103P/Hartley - 2024-02-23 (passing through Monoceros) Sun Distance 1.98 AU AU (receeding) Earth Distance 1.11 AU (165.8 million km)		103P/Hartley - 2024-02-23  Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -3.21 arcsec/hr, Dec 35.32 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 9 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 22:14 UT (#1190092-100) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, square root scale, cropped) Image details as above
Images of 103P/Hartley on Comets 2023 Page >>
Images of 103P/Hartley on Comets 2024 Page >>

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 Capella - G3iii Star

Capella (Auriga) Spectral G3iii

Capella Spectra

Spectra produced in AstroMain using Image taken with Star Analyser 200 15 x 0.11s exposure (average combine), 2x2 binning, S Filter 2024-02-23 20:40 UT (#1190039-53) 12" LX200R (at f/10.4) + ST-10XME

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AT 2022uao - Type YSO? Transient

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AT 2023em - CV Type Transient

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AT 2023cts - Type YSO? Transient

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AT 2023eid - CV Type Transient

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AT 2023rao - Transient

AT 2023rao (Pegasus) AT 2023rao (Type: unk) discovered 2023-08-16.381 UT by Gaia Alias: Gaia23bxu Alerting Mag +16.92 (G-Gaia Filter)  (vs Historic Magnitude +17.65) Brightening in Gaia, WISE and UV source  ( TNS 2023rao | Gaia23bxu )

AT 2023rao - 2024-02-23 (T+191.4d) Image below (2024-02-23.828) was taken 191.4 days after discovery of 2023rao Position of transient (faint & stable) is shown by white cross-hairs Measured magnitude +16.34 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 19:55 UT (#1190019-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rao on Transients 2023 Page >>

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AT 2023tjz - Transient / Carbon Star

AT 2023tjz (Orion) AT 2023tjz (Type: unk) discovered 2023-09-17.895 UT by Gaia Alias: Gaia23cnk Discovery magnitude 12.44 (G-Gaia filter) vs Historic Mag 10.71 Known Carbon star fades by 1.5 mag  ( TNS 2023tjz | Gaia23cnk )

AT 2023tjz - 2024-02-23 (T+159.0d) Image below (2024-02-23.934) was taken 159.0 days after discovery of 2023tjz Position of earlier reported transient (distinct, brightening ?) is shown by white cross-hairs Measured magnitude +12.21 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 22:26 UT (#1190103-05) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023tjz on Transients 2023 Page >>

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AT 2023tow - Nova Transient

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AT 2023txn - CV Type Transient

AT 2023txn (Cygnus) AT 2023txn (Type: CV) discovered 2023-09-29.797 UT by Gaia Alias: Gaia23cse Discovery magnitude 11.83 (G-Gaia) vs Historic Mag 13.14 Red Galactic plane source brightens erratically by 2 mag & becomes bluer  ( TNS 2023txn | Gaia23cse )

AT 2023txn - 2024-02-24 (T+147.4d) Image below (2024-02-24.183) was taken 147.4 days after discovery of 2023txn Position of reported transient (distinct, fading) is shown by white cross-hairs Measured magntitude +12.79 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 04:27 UT (#1190255-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023txn on Transients 2023 Page >>

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AT 2023vww - CV Type Transient

AT 2023vww (Auriga) AT 2023vww (Type: CV) discovered 2023-10-27.236 UT by GEOTS Alias: GEOTS-Balaji-2023-020, TCP J05233714+4240570, Gaia23daz Discovery magnitude 15.9 (Clear Filter) vs Prior Non-Detection Limiting Mag 18.0 Apparently hostless transient  ( TNS 2023vww | Gaia23daz )

AT 2023vww - 2024-02-23 (T+119.6d) Image below (2024-02-23.867) was taken 119.6 days after discovery of 2023vww Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magntitude +18.0 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 20:51 UT (#1190056-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023vww on Transients 2023 Page >>

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AT 2023wbv - CV Type Transient

AT 2023wbv (Perseus) AT 2023wbv (Type: CV) discovered 2023-10-30.032 UT by MASTER Alias: MASTER OT J041624.14+392546.7 Discovery magnitude 11.9 (Clear Filter)  ( TNS 2023wbv )

AT 2023wbv - 2024-02-23 (T+116.9d) Image below (2024-02-23.891) was taken 116.9 days after discovery of 2023wbv Position of reported transient (distinct, fading) is shown by white cross-hairs Measured magntitude +12.24 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 21:26 UT (#1190070-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023wbv on Transients 2023 Page >>

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AT 2023aanv - CV Type Transient

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AT 2023abtv - CV Type Transient

AT 2023abtv (Pegasus) AT 2023abtv (Type: CV) discovered 2023-12-26.986 UT by Gaia Alias: Gaia23duv Discovery magnitude 12.07 (G-Gaia Filter) vs Historic Magnitude 13.38 +/- 0.57 (SD) Gaia and WISE source brightens by 2 mag  ( TNS 2023abtv | Gaia23duv )

AT 2023abtv - 2024-02-24 (T+59.2d) Image below (2024-02-24.200) was taken 59.2 days after discovery of 2023abtv Position of reported transient (bright) is shown by white cross-hairs Measured Magnitude +11.98 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 04:50 UT (#1190270-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023abtv on Transients 2023 Page >>

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AT 2024crd - Type Nova? Transient

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LEDA 83622 - Galaxy

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M101 - Spiral Galaxy with Type IIL Supernova 2023ixf

M101 with SN 2023ixf (Ursa Major) SN 2023ixf (Type: IIL) discovered 2023-05-19.727 UT by Koichi Itagaki Alias: ZTF23aaklqou, AT2023iyi, AT2023jgd, AT2023jfz, PSN J14033858+5418421, PS23dij Discoverer Mag 14.9 (Clear filter)  ( Rochester Supernova site | TNS 2023ixf ) SN 2023ixf (Type: IIL) discovered 2023-05-19.727 UT by Koichi Itagaki at Mag 14.9 is located near M101's prominant star-forming region NGC 5461.  The supernova resulted from a exploding red supergiant and lies just 21 million light years away.  It's the closest core-collapse supernova to us since SN 1993J which lit up M81 (some 12 million ly away) in Spring 1993. The SN is designated of type II-L (L for 'linear') , which is characterised by a rapid rise to maximum brightness  followed by a slow and gradual decrease, that is thought to be brought about by ejection of the dead stars' outer hydrogen shell. (from Article "Summer's Super Supernova", AstNow Magazine, Sep 2023, pp 36-39)

M101 with SN 2023ixf - 2024-02-24 (T+280.4d) Image below (2024-02-24.085) was taken 280.4 days after discovery of 2023ixf Position of supernova (faint) is shown by white cross-hairs Measured Magnitude +15.89 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 02:11 UT (#1190185-89) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023ixf (M101) on Supernova 2023 Page

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MCG -1-33-30 - Irregular Galaxy with Type II Supernova 2024byg

MCG -1-33-30 with SN 2024byg (Virgo) SN 2024byg (Type: II) discovered 2024-02-08.550 UT by ASAS-SN Alias: ASASSN-24ax Discovery Magnitude 16.3 ( Clear Filter)  ( TNS 2024byg )

MCG -1-33-30 with SN 2024byg - 2024-02-24 (T+15.5d) Image below (2024-02-24.071) was taken 15.5 days after discovery of 2024byg Position of reported SN (faint but distinct) is indicated by white cross-hairs. Measured Magnitude +15.93  (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 01:50 UT (#1190177-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024byg (in MCG -1-33-30) on Supernova 2024 Page >>

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MCG -3-34-59 & MCG -3-34-60 - Galaxies

MCG -3-34-59 & MCG -3-34-60 (Virgo) MCG -3-34-59 (alias:  PGC 46660,  catalog mag 16.0)  MCG -3-34-60 (alias:  PGC 46659,  catalog mag 14.6)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 04:01 UT (#1190231-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG -3-34-59 & MCG -3-34-60 - Detail

Annotated CCD Image (150% size, square root scale, cropped) Image details as above

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NGC 3690 - Spiral Galaxy with Type Ia Supernova 2023wrk

NGC 3690 with SN 2023wrk (Ursa Major) SN 2023wrk (Type: Ia) discovered 2023-11-04.229 UT by GOTO Alias: GOTO23bdo, ZTF23abpbdfm, ATLAS23vna Discovery Magnitude 18.11 (L-GOTO filter)  ( Rochester Supernova site ) ( TNS 2023wrk )

NGC 3690 with SN 2023wrk - 2024-02-23 (T+111.6d) Image below (2024-02-23.876) was taken 111.6 days after discovery of 2023wrk Position of SN (fading) is shown by white cross-hairs Measured Magnitude +16.39 (C Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 21:09 UT (#1190063-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023wrk (in NGC 3690) on Supernovae 2023 Page >>

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NGC 4596 - Spiral Galaxy (Herschel I-24)

NGC 4596 / H I-24 (Virgo) [ Herschel 400 Objects ]

Annotated CCD Image (50% size, square root scale) 7 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 01:29 UT (#1190167-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4596  / H I-24 - Detail

Annotated CCD Image (125% size, square root scale, cropped) Image details as above

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NGC 4756 - Elliptical Galaxy

NGC 4756 (Corvus) NGC 4756 (catalog mag +13.4) was a planned target but happened to be in the same FOV as the planned target LEDA 83622 with SN 2023bpg (T+376.8d)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 03:39 UT (#1190224-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4756 - Detail

Annotated CCD Image (125% size, square root scale, cropped) Image details as above

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NGC 5630 - Spiral Galaxy with Type IIP Supernova 2023zdx

NGC 5630 with SN 2023zdx (Bootes) SN 2023zdx (Type: IIP) discovered 2023-12-05.814 UT by ATLAS Alias: ATLAS23wwp, ZTF23absjgxb, Gaia24aek Discovery Magnitude 17.05 (orange-ATLAS filter) Confirmed SN IIP ( TNS 2023zdx | Gaia24aek )

NGC 5630 - Spiral Galaxy

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 00:49 UT (#1190147-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5630 with SN 2023zdx - 2024-02-24 (T+80.2d) Image below (2024-02-24.029) was taken 80.2 days after discovery of 2023zdx Position of SN (faint but distinct) is shown by white cross-hairs Measured Magnitude +15.09 (C Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 00:49 UT (#1190147-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023zdx (in NGC 5630) on Supernovae 2023 Page >>

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UGC 3174 - Irregular Galaxy with Type IIb Supernova 2023mut

UGC 3174 with SN 2023mut (Orion) SN 2023mut (Type: IIb) discovered 2023-07-11.180 UT by ASAS-SN  / GOTO Group Alias: ASASSN-23fh Discovery Magnitude 15.2 (g-SLOAN Filter)  ( TNS 2023mut )

UGC 3174 with SN 2023mut - 2024-02-23 (T+227.7d) Image below (2024-02-23.899) was taken 227.7 days after discovery of 2023mut Position of reported SN (fading) is indicated by white cross-hairs. Measured Magnitude +17.40 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 21:43 UT (#1190077-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023mut (in UGC 3174) on Supernova 2023 Page >>

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UGC 9002 - Spiral Galaxy with Type II Supernova 2023pls

UGC 9002 with SN 2023pls (Bootes) SN 2023pls (Type: II) discovered 2023-08-14.976 UT by ATLAS Alias: ATLAS23red, Gaia23cbq Discovery Magnitude 17.54 (cyan-ATLAS) z (redshift) = 0.0136  ( TNS 2023pls | Gaia23cbq )

UGC 9002 with SN 2023pls - 2024-02-24 (T+193.1d) Image below (2024-02-24.125) was taken 193.1 days after discovery of 2023pls Position of reported SN (very faint & fading) is indicated by white cross-hairs.

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 03:09 UT (#1190209-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023pls (in UGC 9002) on Supernova 2023 Page >>

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UGC 11858 - Spiral Galaxy with Type Ia Supernova 2023rjj

UGC 11858 with SN 2023rjj (Cygnus) SN 2023rjj (Type: Ia) discovered 2023-09-05.340 UT by ALeRCE Alias: ZTF23abaxkwq Discovery Magnitude 18.17 (g-ZTF Filter)  ( TNS 2023rjj )

UGC 11858 with SN 2023rjj - 2024-02-24 (T+171.8d) Image below (2024-02-24.109) was taken 171.8 days after discovery of 2023rjj Position of earlier supernova (faded & no longer visible) is indicated by white cross-hairs. Non-Detection Limiting Magnitude +18.0 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 02:46 UT (#1190202-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023rjj (in UGC 11858) on Supernova 2023 Page >>

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UGC 12639 - Spiral Galaxy with Type II Supernova 2023jri

UGC 12639 with SN 2023jri (Pegasus) SN 2023jri (Type: II) discovered 2023-05-29.577 UT by ATLAS Alias: ATLAS23lqb Discovery Magnitude 16.48 (orange-ATLAS Filter)  ( TNS 2023jri )

UGC 12639 with SN 2023jri - 2024-02-23 (T+270.2d) Image below (2024-02-23.804) was taken 270.2 days after discovery of 2023jri Position of reported transient (barely visible) is indicated by white cross-hairs. Estimated Measured +18.5 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 19:27 UT (#1190007-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023jri (in UGC 12639) on Supernova 2023 Page >>

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