David's Astronomy Pages Images - Session 1189 (2024-02-22)

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Session Notes

12P/Pons-Brooks - Comet 13P/Olbers - Comet 29P/Schwassmann-Wachmann - Comet C/2021 S3 (PANSTARRS) - Comet     Nova Cas 2021 - Nova (V1405 Cas) Nova Per 2020 - Nova (V1112 Per)     Wolf 359 - Nearby Star (CN Leo)     AT 2023cts - Type YSO? Transient AT 2023eid - CV Type Transient AT 2023exh - Transient AT 2023rcj - Type QSO Transient AT 2023tow - Nova Transient AT 2023txn - CV Type Transient AT 2023abtv - CV Type Transient AT 2024agp - CV Type Transient AT 2024crd - Type Nova? Transient     CGCG 217-021 - Spiral Galaxy with Type MP Transient AT 2023clc  (Attempt)     M101 - Spiral Galaxy with Type IIL Supernova 2023ixf MCG -1-30-11 - Spiral Galaxy (PGC 35934)     NGC 1086 - Spiral Galaxy with Type II Supernova 2023rix NGC 1752 - Spiral Galaxy with Transient AT 2023exk NGC 4216 - Spiral Galaxy with Type Ia Supernova 2024gy NGC 5332 - Elliptical Galaxy with Type II Supernova 2023jkq NGC 6004 - Spiral Galaxy with Type II Supernova 2024cld NGC 7625 - Spiral Galaxy (ARP 212) with Type Ia Supernova 2023vyl     UGC 8317 - Spiral Galaxy with Transient AT 2022qvu     Variable Stars (photometric monitoring) - RR Leo, RR Tau      Nearby Stars (astrometric monitoring) - Barnards Star, DX Cnc, CB Leo

- All Night Session (11.2 hrs) with minor interruptions by cloud     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: -1.5°C (min) - CCD Temperature:   -20°/25°C - Notes from 2024-02-22 >>     -

Observing Result

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12P/Pons-Brooks - Comet (Outburst)

12P/Pons-Brooks - 2024-02-23 (passing through  Andromeda) Sun Distance 1.30 AU (approaching) Earth Distance 1.73 AU (258.9 million km)		12P/Pons-Brooks -  2024-02-23 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 186.50 arcsec/hr, Dec -21.74 arcsec/hr)
Annotated CCD Image (50% size, log scale) 90s exposure (single frame), 3x3 binning, Clear Filter 2024-02-23 04:44 UT (#1189227) 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 2024-02-23 04:49 UT (#1189227-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
12P/Pons-Brooks - 2024-02-23
Annotated CCD Image (50% size, log scale) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 04:49 UT (#1189227-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
12P/Pons-Brooks - 2024-02-23 Detail		12P/Pons-Brooks - 2024-02-23 Detail
Annotated false-colour CCD Image (50% size, log scale) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 04:49 UT (#1189227-32) 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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13P/Olbers - Comet

13P/Olbers - 2024-02-22 (passing through Cetus) Sun Distance 2.16 AU (approaching) Earth Distance 2.29 AU (341.9 million km)		13P/Olbers - 2024-02-22 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 23.98 arcsec/hr, Dec 52.97 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 20:11 UT (#1189021-23) 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) 10 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 20:16 UT (#1189021-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 13P/Olbers on Comets 2024 Page >>

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29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann - 2024-02-22 (passing through Cancer) Sun Distance 6.18 AU (receeding slowly) Earth Distance 5.33 AU (797.4 million km)		29P/Schwassmann-Wachmann - 2024-02-22 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -13.84 arcsec/hr, Dec 0.66 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 22:50 UT (#1189098-102) 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) 11 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 22:53 UT (#1189098-108) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 29P/Schwassmann-Wachmann on Comets 2023 Page >>
Images of 29P/Schwassmann-Wachmann on Comets 2024 Page >>

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C/2021 S3 (PANSTARRS) - Comet

C/2021 S3 (PANSTARRS) - 2024-02-23 (passing through Serpens) Sun Distance 1.33 AU Earth Distance 1.36 AU (203.3 million km)		C/2021 S3 (PANSTARRS) - 2024-02-23 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 111.80 arcsec/hr, Dec 120.56 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2024-02-23 05:43 UT (#1189269) 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) 6 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 05:47 UT (#1189269-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2021 S3 (PANSTARRS) on Comets 2024 Page >>

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Nova Cas 2021 - Nova (V1405 Cas)

Nova Cas 2021 (Cassiopeia) Nova in Cassiopeia discovered 2021-03-18.4236,  by Yuji Nakamura (Japan) Magnitude at discovery +9.6 (unfiltered CCD) AT2021hkn (Type: Nova) reported by 2021/03/30.055 UT by Gaia Alias: Gaia21bpe, AT2021hkn, V1405 Cas ( TNS 2021hkn | Gaia21bpe )

Nova Cas 2021 - 2024-02-22 (T+1071.5d) Image below (2024-02-22.891) was taken 1071.5 days after discovery of nova Nova is shown by white cross hairs.  Measured magnitude +12.05 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 2 x 30s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 21:23 UT (#1189056-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Cas 2021 (V1405 Cas) Spectra - 2024-02-22 (T+1071.5d)

Spectra produced in AstroMain using Image taken with Star Analyser 200 2 x 300s exposure (average combine), 2x2 binning, S Filter 2024-02-22 21:34 UT (#1189061-63) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Cas 2021 on Novae Page >>

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Nova Per 2020 - Nova (V1112 Per, AT 2020abap)

Nova Per 2020 (Perseus) Nova in Perseus discovered 2020/11/25.807 [ Novae ] Nova Per 2020 discovered independently by Seiji Ueda and Stanislav Korotkiy et al AT 2020abap (Type: CV) reported 2020/11/27.230 UT by PGIR Alias: N Per 2020 , PGIR20fbf, TCP J04291888+4354233, TCP J04291884+4354232, V1112 Per

Nova Per 2020 - 2024-02-22 (T+1184.1d) Image below (2024-02-22.908) was taken 1184.1 days after discovery of nova Nova (very faint) is shown by white cross hairs.  Measured magnitude +17.97 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 21:53 UT (#1189066-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Per 2020 on Novae Page >>

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Wolf 359 - Nearby Star (CN Leo) - 7.8 ly

Wolf 359 / CN Leo (Leo) 3rd closest star system to the Sun, 7.8 light years distance [ Nearby Stars ]

Annotated CCD Image (46% size, linear scale) 15 x 20s exposure (average combine), 2x2 binning, Clear Filter 2024-02-22 23:33 UT (#1189138-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Annotated CCD Image (46% size, linear scale) 15 x 20s exposure (average combine), 2x2 binning, Clear Filter 2024-02-22 23:33 UT (#1189138-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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AT 2023cts - Type YSO? Transient

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AT 2023eid - CV Type Transient

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AT 2023exh - Transient

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AT 2023rcj - Type QSO Transient

AT 2023rcj (Virgo) AT 2023rcj (Type: QSO) discovered 2023-08-19.096 UT by Gaia Alias: Gaia23bzg Discovery Magnitude 16.76 (G-Gaia Filter) vs Historic Magnitude 17.29 +/- 0.14 (SD) Brightening in known QSO  ( [VV96] J130119.8-142456 )  ( TNS 2023rcj | Gaia23bzg )

AT 2023rcj - 2024-02-23 (T+187.9d) Image below (2024-02-23.038) was taken 187.9 days after discovery of 2023rcj Position of QSO object  (faint, stable) is shown by white cross-hairs Measured Magnitude +16.25 (Clear Filter)

Annotated CCD Image (125% size, linear scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 01:01 UT (#1189182-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rcj 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 - 2023-11-30 (T+62.0d) Image below (2023-11-30.791) was taken 62.0 days after discovery of 2023txn Position of reported transient (distinct) is shown by white cross-hairs Measured magntitude +12.45 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-11-30 19:02 UT (#1169021-25) 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 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 - 2024-02-23 (T+58.2d) Image below (2024-02-23.209) was taken 58.2 days after discovery of 2023abtv Position of reported transient (bright) is shown by white cross-hairs Measured Magnitude +12.07 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 05:04 UT (#1189236-40) 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 2024agp - CV Type Transient

AT 2024agp (Auriga) AT 2024agp (Type: CV) discovered 2024-01-15.768 UT by XOSS Alias: KATS24A004, ATLAS24azp, TCP J05363231+4201536 Discovery magnitude 16.76 (Clear Filter)  ( TNS 2024agp )

AT 2024agp - 2024-02-22 (T+38.2d) Image below (2024-02-22.921) was taken 38.2 days after discovery of 2024agp Position of earlier transient (not visible) is shown by white circle Non-Detection, Limiting Magnitude +17.8 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 05:04 UT (#1189236-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024agp on Transients 2024 Page >>

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AT 2024crd - Type Nova? Transient

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CGCG 217-021 - Spiral Galaxy with Type MP Transient AT 2023clc (Attempt)

CGCG 217-021 with AT 2023clc (Canes Venatici) AT 2023clc (Type: MP) discovered 2023-02-22.276 UT by ATLAS Alias: ATLAS23cmd Discovery Magnitude 15.68 (cyan-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 19.06  ( TNS 2023clc )

CGCG 217-021 with AT 2023clc - 2024-02-23 (T+365.8d) Image below (2024-02-23.065) was taken 365.8 days after discovery of 2023clc Position of earlier transient (likely faded & no longer visible) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 01:42 UT (#1189195-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023clc (in CGCG 217-021) on Transients 2023 Page >>

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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 - 2024-02-22 (T+279.1d) Image below (2024-02-22.875) was taken 279.1 days after discovery of 2023ixf Position of supernova (faint) is shown by white cross-hairs Measured Magnitude +15.86 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 21:03 UT (#1189049-50) 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 -1-30-11 - Spiral Galaxy (PGC 35934)

MCG -1-30-11 (Crater) Alias PGC 35934  (catalog mag +14.0)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 23:51 UT (#1189155-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG -1-30-11 / PGC 35934 - Detail

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

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NGC 1086 - Spiral Galaxy with Type II Supernova 2023rix

NGC 1086 with SN 2023rix (Perseus) SN 2023rix (Type: II) discovered 2023-09-05.365 UT by ALeRCE Discovery Magnitude 18.21 (g-ZTF Filter)  ( TNS 2023rix )

NGC 1086 with SN 2023rix - 2024-02-22 (T+170.4d) Image below (2024-02-22.804) was taken 170.4 days after discovery of 2023rix Position of reported supernova (faded & no longer visible) is indicated by white cross-hairs.

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 19:25 UT (#1189013-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023rix (in NGC 1086) on Supernova 2023 Page >>

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NGC 1752 - Spiral Galaxy with Transient AT 2023exk

NGC 1752 with AT 2023exk (Eridanus) AT 2023exk (Type: unk) discovered 2023-04-10.008 UT by ATLAS Alias: ATLAS23hjo Discovery Magnitude 17.77 (orange-ATLAS filter) ( TNS 2023exk )

NGC 1752 with AT 2023exk - 2024-02-22 (T+318.8d) Image below (2024-02-22.851) was taken 318.8 days after discovery of 2023exk Position of earlier tranisent (no longer visible) is indicated by white cross-hairs.

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 20:34 UT (#1189033-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023exk (in NGC 1752) on Transients 2023 Page >>

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NGC 4216 - Spiral Galaxy with Type Ia Supernova 2024gy

NGC 4216 with SN 2024gy (Virgo) SN 2024gy (Type: Ia, z=0.001183) discovered 2024-01-04.678 UT by Koichi Itagaki Alias: AT2023acjv, AT2024ix, ASASSN-24ac, PSN J12155131+1306561 Discovery Magnitude 16.3 ( Clear Filter)  ( TNS 2024gy )

NGC 4216 with SN 2024gy - 2024-02-23 (T+49.3d) Image below (2024-02-23.018) was taken 49.3 days after discovery of 2024gy Position of reported SN (distinct, fading) is indicated by white cross-hairs. Measured Magnitude +14.30 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 00:35 UT (#1189174-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024gy (in NGC 4216) on Supernova 2024 Page >>

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NGC 5332 - Elliptical Galaxy with Type II Supernova 2023jkq

NGC 5332 with SN 2023jkq (Bootes) SN 2023jkq (Type: II) discovered 2023-05-25.351 UT by ATLAS Alias: ATLAS23ljb Discovery Magnitude 17.48 (orange-ATLAS Filter)  ( TNS 2023jkq )

NGC 5332 - Elliptical Galaxy Other galaxy in FOV is PGC 49216 (catalog mag +16.1)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 02:01 UT (#1189202-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5332 with SN 2023jkq - 2024-02-23 (T+273.7d) Image below (2024-02-23.079) was taken 273.7 days after discovery of 2023jkq Position of earlier supernova (barely visible) is indicated by white cross-hairs.

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 02:01 UT (#1189202-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023jkq (in NGC 5332) on Supernova 2023 Page >>

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NGC 6004 - Spiral Galaxy with Type II Supernova 2024cld

NGC 6004 with SN 2024cld (Serpens) SN 2024cld (Type: II) discovered 2024-02-13.228 UT by GOTO Alias: GOTO24ql, ATLAS24clv Discovery Magnitude 17.97 ( Clear Filter) Spectrum contains clear narrow H Balmer and He II 4686A flash ionisation features typically seen in young type II SNe  ( TNS 2024cld )

NGC 6004 with SN 2024cld - 2024-02-23 (T+9.9d) Image below (2024-02-23.094) was taken 9.9 days after discovery of 2024cld Position of reported SN (distinct, & brightening slightly) is indicated by white cross-hairs. Measured Magnitude +15.05 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 02:19 UT (#1189209-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024cld (in NGC 6004) on Supernova 2024 Page >>

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NGC 7625 - Spiral Galaxy (ARP 212) with Type Ia Supernova 2023vyl

NGC 7625 with SN 2023vyl (Pegasus) SN 2023vyl (Type: Ia) discovered 2023-10-28.393 UT by ATLAS Alias: ATLAS23urs, ZTF23abnprwj Discovery Magnitude 17.43 (orange-ATLAS Filter)  ( TNS 2023vyl )

NGC 7625 with SN 2023vyl - 2024-02-22 (T+117.4d) Image below (2024-02-22.789) was taken 117.4 days after discovery of 2023vyl Position of reported SN (faint,  fading ?) is indicated by white cross-hairs. Estimated Magnitude +16.4 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 19:05 UT (#1189006-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023vyl (in NGC 7625) on Supernova 2023 Page >>

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UGC 8317 - Spiral Galaxy with Transient AT 2022qvu

UGC 8317 with AT 2022qvu (Coma Berenices) AT 2022qvu (Type: unk) discovered 2022-08-06.274 UT by ATLAS Alias: ATLAS22zjv  ( Rochester Supernova site | TNS 2022qvu )

UGC 8317 with AT 2022qvu - 2024-02-23 (T+565.8d) Image below (2024-02-23.050) was taken 565.8 days after discovery of 2022qvu Position of reported transient (not visible) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-23 01:21 UT (#1189188-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022qvu (UGC 8317) on Transients 2022 Page >>

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