David's Astronomy Pages Images - Session 1240 (2024-09-10)

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Images (S1241)

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Session Notes

Saturn - Planet     Nova Per 2020 - Nova (V1112 Per) Nova Vul 2024 - Nova (V615 Vul) T CrB - Variable Star     AT 2022jsu - CV Type Transient AT 2022snh - Transient AT 2022vqv - CV Type Transient AT 2022wxa - Transient AT 2023abqc - CV Type Transient AT 2023abtv - CV Type Transient AT 2024ed - Transient AT 2024rrb - Transient     M33 - Spiral Galaxy with Nova M33 2024-08a?     NGC 797 - Spiral Galaxy with Type II Supernova 2024jjc NGC 3073 - Elliptical Galaxy with Transient AT 2024unf (unconfirmed) NGC 3079 - Spiral Galaxy (H V-47) NGC 3206 - Spiral Galaxy with Type IIn Supernova 2024bch NGC 7253B - Spiral Galaxy with Type Ia Supernova 2023wuk     SN 2023reh - Type Ia Supernova in WISEA Galaxy  (non-detection)     Variable Stars (photometric monitoring) - U And, T CrB, BL Lac     Nearby Stars (astrometric monitoring) - DX Cnc

- All-Night Session (7.5 hr). Clear but windy     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 6°C (min) - CCD Temperature:   -15°/-20°C - Notes from 2024-09-10 >>

Observing Result

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Saturn - Planet

Saturn - 2024-09-10 (passing through Aquarius) Sun Distance 9.66 AU Earth Distance 8.66 AU (1295.4 million km) Motion : (Ra -10.74 arcsec/hr, Dec -4.57 arcsec/hr)

Saturn with moons  (Ra -10.74 arcsec/hr, Dec -4.57 arcsec/hr) Image is shown with a contrast that highlights the main moons of Saturn however with this contrast setting Saturn appears significantly glared Saturn is 7.8 mag (~1300x) brighter than the brightest moon (Titann) Insert shows Saturn with a contrast that highlights the planet (at expense of the moons)

Annotated CCD Image (150% size, linear scale, cropped) 0.11s exposure (single frame), 3x3 binning, V Filter 2024-09-10 22:02 UT (#1240056) 12" LX200R (at f/10.4) + ST-10XME

Saturn with moons (annotated) - Composite Image Magnitudes from TheSky6 Body    Mag Note  Saturn    0.6    Titan    8.4    Rhea    9.8    Dione    10.2    Tethys    10.3    Iapetus    11.2  out of view  Enceladus    11.8    Mimas    13.0  not visible  Hyperion    14.3  not visible

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

Saturn

Annotated Colour CCD Image (150% size, linear scale, cropped) Colour Combined (approximate colour, BVR, Unsharp Masked - um5) Blue :  4 x 0.3s exposure (average combine), 1x1 binning, B Filter Green: 3 x 0.3s exposure (average combine), 1x1 binning, V Filter Red:   2 x 0.3s exposure (average combine), 1x1 binning, R Filter 2024-09-10 22:04 UT (#1240061-72) 12" LX200R (at f/10.4) + ST-10XME

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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 - 2024-09-11 (T+1385.3d) Image below (2024-09-11.103) was taken 1385.3 days after discovery of nova Nova (very faint) is shown by white cross hairs.  Measured magnitude +18.24 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-11 02:37 UT (#1240179-83) 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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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 (T+43.0d) Nova (distinct) is shown by white cross hairs.

Annotated CCD Image (50% size, linear scale) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 20:49 UT (#1240006-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Vul 2024 - 2024-09-10 (T+43.0d) Image below (2024-09-10.867) was taken 43.0 days after discovery of nova Nova (distinct) is shown by white cross hairs.   Measured magnitude +13.10 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 20:49 UT (#1240006-10) 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 Poor quality image (due to wind shake)

Annotated CCD Image (70% size, linear scale) 2 x 15s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 21:25 UT (#1240026-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

More Images of T CrB >>

T CrB (V Band) - 2024-09-10 Poor quality image (due to wind shake)		T CrB - Photometry - 2024-09-10
		Altitude 28.1, Airmass 2.126 Star  Id  V Mag (ref) V Mag  (instr) V Mag (calc)   B Mag (ref) B-V  (ref) B Mag (instr) B Mag (calc) B-V (calc) C Star  98  9.809  -13.112      10.843 1.034   -11.567     K Star  112  11.166 -11.747 11.17   11.779 0.613  -10.541 11.87 0.70  Var. Star  T CrB    -13.032 9.89    -    -11.308 11.10 1.18
Annotated CCD Image (50% size, linear scale) 2 x 15s exposure (average combine), 3x3 binning, V Filter 2024-09-10 21:58 UT (#1240046-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
T CrB (B Band) - 2024-09-10 Poor quality image (due to wind shake)
Annotated CCD Image (70% size, linear scale) 2 x 20s exposure (average combine), 3x3 binning, B Filter 2024-09-10 21:55 UT (#1240043-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
More Images & Data for T CrB >>

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AT 2022jsu - CV Type Transient

AT 2022jsu (Pegasus) AT 2022jsu (Type: CV) discovered 2022-05-08.430 UT by ZTF Alias: ZTF22aajjqti Discovery magnitude 14.24 (r-ZTF filter)  ( TNS 2022jsu)

AT 2022jsu - 2024-09-10 (T+856.6d) Image below (2024-09-10.983) was taken 856.6 days after discovery of 2022jsu Position of earlier transient (very faint) is shown by white cross-hairs Measured Magnitude +18.51 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 23:45 UT (#1240116-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022jsu on Transients 2022 Page >>

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AT 2022snh - Transient

AT 2022snh (Pegasus) AT 2022snh (Type: unk) discovered 2022-08-28.257 UT by ZTF Alias: ZTF22abdqjav Discovery Magnitude +16.65 ABMag vs prio non-detection magnitude > +20.89 ABMag  ( TNS 2022snh )

AT 2022snh - 2024-09-10 (T+744.7d) Image below (2024-09-10.953) was taken 744.7 days after discovery of 2022snh Position of reported transient (faint, stable ?) is shown by white cross-hairs Measured magnitude +17.65

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 23:01 UT (#1240102-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022snh - Reference Image Position of transient object (visible in DSS2 Color Image) is indicated by faint purple cross-hairs

DSS2 Color Background Image captured via Aladin

Images of AT 2022snh on Transients 2022 Page >>

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AT 2022vqv - CV Type Transient

AT 2022vqv (Aquarius) AT 2022vqv (Type: CV) discovered 2022-09-22.229 UT by Gaia Alias: Gaia22dzq Discovery Magnitude 15.25 (G-Gaia Filter) vs Historical Magnitude 16.79 +/- 0.49 SD Outburst in known CV  ( TNS 2022vqv | Gaia22dzq )

AT 2022vqv - 2024-09-10 (T+719.7d) Image below (2024-09-10.929) was taken 719.7 days after discovery of 2022vqv Position of transient (very faint / barely visible) is shown by white cross-hairs Measured Magnitude +18.16 (Clear Filter) This is consistent with the lower end of the range seen by Gaia (15.25 to 18.57)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 22:21 UT (#1240081-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022vqv on Transients 2022 Page >>

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AT 2022wxa - Transient

AT 2022wxa (Pegasus) AT 2022wxa (Type: unk) discovered 2022-10-05.224 UT by ZTF Alias: ZTF20aauoefo, PS22kcc Discovery Magnitude 16.16 (r-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 20.56  ( TNS 2022wxa )

AT 2022wxa - 2024-09-10 (T+706.7d) Image below (2024-09-10.968) was taken 706.7 days after discovery of 2022wxa Position of earlier transient (no longer visible) is shown by white circle Non-Detection Limiting Magnitude +19.6 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 23:23 UT (#1240109-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022wxa on Transients 2022 Page >>

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AT 2023abqc - CV Type Transient

AT 2023abqc (Cygnus) AT 2023abqc (Type: CV) discovered 2023-12-25.743 UT by Gaia Alias: Gaia23duj Discovery Magnitude 16.86 (G-Gaia Filter) vs Historic Magnitude 19.95 +/- 1.38 SD Outburst in candidate CV ASASSN-19mf  ( TNS 2023abqc | Gaia23duj )

AT 2023abqc - 2024-09-10 (T+260.2d) Image below (2024-09-10.945) was taken 260.2 days after discovery of 2023abqc or around 10 days after last outburst on c. 2024-09-01 Position of reported transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.3 (Clear Filter) It appears that the new outburst in this candidate CV is over and it is heading towards its normal Low Stand Magnitude range +20.2 to +21.1 (range based on Gaia data)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 22:44 UT (#1240095-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023abqc 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 - 2024-09-10 (T+259.0d) Image below (2024-09-10.937) was taken 259.0 days after discovery of 2023abtv Position of reported transient (distinct, brightening again) is shown by white cross-hairs Measured Magnitude +11.96 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 22:33 UT (#1240088-92) 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 2024ed - Transient

AT 2024ed (Vulpecula) AT 2024ed (Type: unk) discovered 2023-12-27.207 UT by Gaia Alias: Gaia24abq Discovery magnitude 15.91 (G-Gaia Filter) Apparently hostless transient No indication of progenitor object on DSS2 Colour or PanSTARRS DR1 plates  ( TNS 2024ed | Gaia24abq )

AT 2024ed - 2024-09-10 (T+258.7d) Image below (2024-09-10.876) was taken 258.7 days after discovery of 2024ed Position of reported transient (no longer visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.4 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-10 21:09 UT (#1240018-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024ed on Transients 2024 Page >>

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AT 2024rrb - Transient

AT 2024rrb (Andromeda) AT 2024rrb (Type: unk) discovered 2024-08-09.070 UT by GOTO Alias: GOTO24eqj Discovery magnitude 16.32 (L-GOTO Filter) vs Prior Non-Detection Limiting Magnitude +17.4  ( TNS 2024rrb )

AT 2024rrb - 2024-09-11 (T+33.0d) Image below (2024-09-11.072) was taken 33.0 days after discovery of 2024rrb Position of reported transient (no longer visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.5 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-11 01:52 UT (#1240165-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT2024rrb on Transients 2024 Page >>

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M33 - Spiral Galaxy with EGN Transient Nova M33 2024-08a?

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NGC 797 - Spiral Galaxy with Type II Supernova 2024jjc

NGC 797 with SN 2024jjc (Andromeda) AT 2024jjc (Type: II) discovered 2024-05-26.481 UT by ZTF Alias: ZTF24aaoupov Discovery Magnitude 17.19 (r-ZTF Filter)  ( TNS 2024epz )

NGC 797 with SN 2024jjc - 2024-09-11 (T+107.6d) Image below (2024-09-11.087) was taken 107.6 days after discovery of 2024jjc Position of earlier supernova (not visible) is indicated by white cross-hairs Non-Detection Limiting Magnitude +19.3 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-11 02:14 UT (#1240172-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024jjc (in NGC 797) on Supernova 2024 Page >>

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NGC 3073 - Elliptical Galaxy with Transient AT 2024unf (Unconfirmed)

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NGC 3079 - Spiral Galaxy (H V-47)

NGC 3079 (Ursa Major) Alias: H V-47  [ Herschel 400 Objects ]

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-11 03:12 UT (#1240205-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3079 - Detail

Annotated CCD Image (80% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-11 03:12 UT (#1240205-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Negative CCD Image (80% size, square root scale, cropped) Image details as above

NGC 3079 - Earlier Image (Feb 2019)

Rotated CCD Image (100% size, linear scale, cropped) 6 x 120s exposure (average combine), 3x3 binning, C Filter 2019-02-08 00:25 UT (#660267-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 3206 - Spiral Galaxy with Type IIn Supernova 2024bch

NGC 3206 with SN 2024bch (Ursa Major) SN 2024bch (Type: IIn) discovered 2024-01-29.252 UT by Patrick Wiggins Alias: ATLAS24bmx, PS24aap, GOTO24hm Discovery Magnitude 15.5 ( Clear Filter)  ( TNS 2024bch )

NGC 3206 with SN 2024bch - 2024-09-11 (T+225.9d) Image below (2024-09-11.156) was taken 225.9 days after discovery of 2024bch Position of reported SN (faint) is indicated by white cross-hairs. Measured Magnitude +16.48 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-11 03:50 UT (#1240219-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024bch (in NGC 3206) on Supernova 2024 Page >>

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NGC 7253B - Spiral Galaxy with Type Ia Supernova 2023wuk

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SN 2023reh - Type Ia Supernova in WISEA Galaxy (non-detection)

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