David's Astronomy Pages Images - Session 1247 (2024-09-18)

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Session Notes

Nova Vul 2024 - Nova (V615 Vul) T CrB - Variable Star     AT 2022zkq - CV Type Transient AT 2023add - CV Type Transient AT 2023cmv - CV Type Transient (non-detection) AT 2023guz - Transient (non-detection) AT 2023tww - CV Type Transient AT 2023wfp - Type ulens? Transient AT 2023abtp - CV Type Transient AT 2024uzm - Transient AT 2024vla - Type CV? Transient AT2024vlc - Type CV? Transient     UGC 11315 - Spiral Galaxy with Transient AT 2022aair (non-detection)     Variable Stars (photometric monitoring) - T CrB, BL Lac, GW Ori, GK Per, RR Tau     Nearby Stars (astrometric monitoring) - None

- All-Night Session (8.6 hr),  interrupted by a 4 hr period of cloud     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 12°C (min) - CCD Temperature:   -10°/ -15°C - Notes from 2024-09-18 >>     -

Observing Result

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Nova Vul 2024 - Nova (V615 Vul)

Nova Vul 2024 (Vulpecula) Alias: N Vul 2024, V615 Vul, PNV J19430751+2100204 Nova Vul 2024 (Type: Nova) discovered 2024-07-29.832 UT by New Milky Way survey Discovery Magnitude 11.2 Maximum Magnitude 9.8 [ Novae ]

Nova Vul 2024 - 2024-09-18 (T+51.1d) Image below (2024-09-18.891) was taken 51.1 days after discovery of Nova Vul 2024 Nova (distinct, fading) is shown by white cross hairs.   Measured magnitude +13.89 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2024-09-18 21:25 UT (#1247046-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Vul 2024 on Novae Page >>

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T CrB - Variable Star

T CrB (Corona Borealis) Alias: GCVS T CrB, HIP 78322, SAO 84129, HD 143454 Max Magnitude  2.0 Min Magnitude 10.8 Spectral: M3III+pec(NOVA) ( VSX T CrB )

T CrB (V Band) - 2024-09-18		T CrB - Photometry - 2024-09-18
		Altitude 38.7, Airmass 1.599 Star  Id  V Mag (ref) V Mag (inst) V Mag (calc)   B Mag (ref) B-V  (ref) B Mag (inst.)   B Mag (calc) B-V (calc) C Star  98  9.809 -12.596     10.843 1.034  -11.570     K Star  112  11.166 -11.308 11.10   11.779 0.613  -10.746 11.67 0.57  Var. Star  T CrB    -12.404  10.00    -    -11.433 10.98 0.98
Annotated CCD Image (50% size, linear scale) 3 x 15s exposure (average combine), 3x3 binning, V Filter 2024-09-18 20:08 UT (#1247011-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (not shown) 3 x 20s exposure (average combine), 3x3 binning, B Filter 2024-09-18 20:07 UT (#1247010-14)
More Images & Data for T CrB >>

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AT 2022zkq - CV Type Transient

AT 2022zkq (Aquila) AT 2022zkq (Type: CV) discovered 2022-11-03.394 UT by MASTER Alias: MASTER OT J191628.16+044101.3 Discovery Magnitude 15.5 (Clear Filter)  ( TNS 2022zkq )

AT 2022zkq - 2024-09-18 (T+685.5d) Image below (2024-09-18.883) was taken 685.5 days after discovery of 2022zkq Position of reported transient (not visible) is shown by white cross-hairs Position is just south of a visible star (meas. mag +15.00) Non-Detection Limiting Magnitude +18.0 (Clear Filter)

Annotated CCD Image (150% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-18 21:14 UT (#1247039-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022zkq on Transients 2022 Page >>

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AT 2023add - CV Type Transient

AT 2023add (Perseus) AT 2023add (Type: CV) discovered 2023-01-20.918 UT by Gaia Alias: Gaia23aje Alerting Magnitude 14.26 (G-Gaia Filter) vs Historic Magnitude 14.50 +/- 0.05 SD 0.25 mag brightening in Galactic plane source, previous event seen  ( TNS 2022zkq | Gaia23aje )

AT 2023add - 2024-09-19 (T+607.2d) Image below (2024-09-19.118) was taken 607.2 days after discovery of 2023add Position of reported transient (distinct) is shown by white cross-hairs Measured Magnitude +14.76 (Clear Filter) Star is likely at its normal low-stand state

Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-19 02:53 UT (#1247081-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023add on Transients 2023 Page >>

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AT 2023cmv - CV Type Transient (non-detection)

AT 2023cmv (Perseus) AT 2023cmv (Type: CV) discovered 2023-02-23.441 UT by Tadashi Kojima Alias: TCP J03400682+4809123, Gaia23bbk Discovery Magnitude 14.0 (Clear Filter) Transient on faint blue PanSTARRS source  ( TNS 2023cmv | Gaia23bbk )

AT 2023cmv - 2024-09-19 (T+573.7d) Image below (2024-09-19.149) was taken 573.7 days after discovery of 2023cmv Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.7 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-19 03:37 UT (#1247112-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023add on Transients 2023 Page >>

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AT 2023guz - Transient (non-detection)

AT 2023guz (Ophiuchus) AT 2023guz (Type: unk) discovered 2023-04-26.423 UT by ZTF Alias: ZTF23aahwtps Discovery Magnitude 16.52 (g-ZTF Filter) ( TNS 2023guz )

AT 2023guz - 2024-09-18 (T+511.4d) Image below (2024-09-18.844) was taken 511.4 days after discovery of 2023guz Position of earlier transient (likely not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.0 (Clear Filter)

Annotated CCD Image (150% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-18 20:24 UT (#1247018-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023guz on Transients 2023 Page >>

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AT 2023tww - CV Type Transient

AT 2023tww (Aquila) AT 2023tww (Type: CV) discovered 2023-10-02.429 UT by MASTER Alias: MASTER OT J191517.98+041833.1 Discovery Magnitude 14.0 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 17.3  ( TNS 2023tww )

AT 2023tww - 2024-09-18 (T+352.4d) Image below (2024-09-18.875) was taken 352.4 days after discovery of 2023tww Position of reported transient (faint) is shown by white cross-hairs Measured magnitude +15.30 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-18 21:01 UT (#1247033-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023tww on Transients 2023 Page >>

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AT 2023wfp - Type ulens? Transient

AT 2023wfp (Perseus) AT 2023wfp (Type: ulens?) discovered 2023-10-25.678 UT by Gaia Alias: Gaia23czt Discovery Magnitude 15.14 (G-Gaia Filter) vs Historic Magnitude 15.50 +/- 0.10 SD Bright gal.plane source candidate microlensing event or Be-type outburst rises by 0.4 mag  ( TNS 2023wfp | Gaia23czt  )

AT 2023wfp - 2024-09-19 (T+329.4d) Image below (2024-09-19.090) was taken 329.4 days after discovery of 2023wfp Position of reported transient (faint but distinct) is shown by white cross-hairs Measured magnitude +14.32 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-19 02:17 UT (#1247067-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023wfp on Transients 2023 Page >>

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AT 2023abtp - CV Type Transient

AT 2023abtp (Cygnus) AT 2023abtp (Type: CV) discovered 2023-12-26.832 UT by Gaia Alias: Gaia23dun Alerting Magnitude 14.14 (G-Gaia Filter) vs Historic Magnitude 14.40 +/- 0.04 SD Galactic plane source brightens by 0.25 mag  ( TNS 2023abtp | Gaia23dun  )

AT 2023abtp - 2024-09-18 (T+267.1d) Image below (2024-09-18.914) was taken 267.1 days after discovery of 2023abtp Position of reported transient (distinct) is shown by white cross-hairs Measured magnitude +13.31 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-18 21:58 UT (#1247060-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023abtp on Transients 2023 Page >>

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AT 2024uzm - Transient

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AT 2024vla - Type CV? Transient

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AT2024vlc - Type CV? Transient

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UGC 11315 - Spiral Galaxy with Transient AT 2022aair (non-detection)

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