David's Astronomy Pages Images - Session 1226 (2024-08-10)

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Session Notes

54P/de Vico-Swift-NEAT - Comet (Attempt) C/2021 S3 (PANSTARRS) - Comet C/2023 V4 (Camarasa-Duszanowicz) - Comet     AT 2022obq - CV Type Transient AT 2022pix - CV Type Transient, V1113 Cyg AT 2024pxr - Type HPM Transient     M33 - Spiral Galaxy with EGN Type Transient AT 2023ypg     NGC 7171 - Spiral Galaxy with Type Ia Supernova 2023yoo     Variable Stars (photometric monitoring) - SS Cyg, BL Lac      Nearby Stars (astrometric monitoring) - HH And, Barnards Star, 61 Cyg, Groombridge 34

- Attempted All-night Session (3.5 hrs)     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 10.5°C - CCD Temperature:   -10° C - Notes from 2024-08-10 >>     -

Observing Result

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54P/de Vico-Swift-NEAT - Comet (Attempt)

54P/de Vico-Swift-NEAT - 2024-08-11 (passing through Pisces) Sun Distance 2.18 AU Earth Distance 1.45 AU (216.5 million km)		54P/de Vico-Swift-NEAT - 2024-08-11 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 15.77 arcsec/hr, Dec 14.88 arcsec/hr) Expected position of comet (not visible) is indicated by white circle
Annotated CCD Image (50% size, square root scale) 3 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-08-11 01:33 UT (#1226106-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (125% size, square root scale, cropped) Image details as left
Images of 54P/de Vico-Swift-NEAT on Comets 2024 Page >>

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C/2021 S3 (PANSTARRS) - Comet

C/2021 S3 (PANSTARRS) - 2024-08-10 (passing through Draco) Sun Distance 2.77 AU (receeding) Earth Distance 2.38 AU (356.1 million km)		C/2021 S3 (PANSTARRS) - 2024-08-10 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -23.73 arcsec/hr, Dec -30.13 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-11 00:00 UT (#1226042-44) 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 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-11 00:03 UT (#1226042-48) 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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C/2023 V4 (Camarasa-Duszanowicz) - Comet

C/2023 V4 (Camarasa-Duszanowicz) - 2024-08-10 (passing through Canes Venatici) Sun Distance 1.60 AU (receeding) Earth Distance 2.05 AU (306.5 million km)		C/2023 V4 (Camarasa-Duszanowicz) - 2024-08-10 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 129.52 arcsec/hr, Dec -98.72 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 2 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-08-10 23:34 UT (#1226024-25) 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) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-08-10 23:37 UT (#1226024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2023 V4 (Camarasa-Duszanowicz) on Comets 2024 Page >>

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AT 2022obq - CV Type Transient, LX And

AT 2022obq (Andromeda) AT 2022obq (Type: CV) discovered 2022-07-01.104 UT by Gaia Alias: Gaia22cti Alerting magnitude 13.15 (G-Gaia Filter) vs Historic magnitude 15.23 +/- 0.87 SD Outburst in known CV - LX And  ( TNS 2022obq | Gaia22cti )

AT 2022obq - 2024-08-11 (T+772.0d) Image below (2024-08-11.104) was taken 772.0 days after discovery of 2022obq Position of transient (brightening) is shown by white cross-hairs Measured Magnitude + 15.64 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-11 02:33 UT (#1226127-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022obq on Transients 2022 Page >>

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AT 2022pix - CV Type Transient, V1113 Cyg

AT 2022pix (Cygnus) AT 2022pix (Type: CV) discovered 2022-07-20.812 UT by Gaia Alias: Gaia22dad Alerting magnitude 13.95 (g-Gaia Filter) vs Historic magnitude 17.72 +/- 1.81 & Normal Magnitude 19.3 +/- 0.6 Outburst in known Outburst in known CV V1113 Cyg  ( TNS 2022pix | Gaia22dad )

AT 2022pix - 2024-08-10 (T+752.2d) Image below (2024-08-10.991) was taken 752.2 days after discovery of 2022pix Position of reported transient (brightening) is shown by white cross-hairs Measured Magnitude + 14.29  (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-10 23:50 UT (#1226034-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022pix on Transients 2022 Page >>

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AT 2024pxr - Type HPM Transient

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M33 - Spiral Galaxy with EGN Type Transient AT 2023ypg

M33 with Nova M33 AT 2023ypg (Triangulum) AT 2023ypg (Type: EGN) discovered 2023-11-29.609 UT by XOSS Alias: PSP23O, PNV J01325400+3021387, Gaia23dnw Discovery Magnitude 18.2 (Clear filter) Confirmed Nova Gaia, 2023-12-06 23:55, Mag +18.59 Gaia, 2023-12-07 07:42 , Mag +18.71 Gaia, 2023-12-12 05:59 , Mag +18.42 Gaia, 2024-01-20 18:52, Mag +19.50  ( TNS 2023ypg | Gaia23dnw )

Nova M33 AT 2023ypg - 2024-08-11 (T+255.5d) Image below (2024-08-11.071) was taken 255.5 days after discovery of 2023ypg Position of earlier transient (faded & no longer visible) is indicated by white cross-hairs.

Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-11 01:46 UT (#1226112-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023ypg (in M33) on Transients 2023 Page >>

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NGC 7171 - Spiral Galaxy with Type Ia Supernova 2023yoo

NGC 7171 with SN 2023yoo (Aquarius) SN 2023yoo (Type: Ia) discovered 2023-11-28.035 UT by ATLAS Alias: ATLAS23wjr, ZTF23abryylt, Gaia23dsz Discovery Magnitude 17.34 (orange-ATLAS Filter)  ( TNS 2023yoo | Gaia23dsz ) Gaia, 2023-12-22 06:47,  Mag 15.18 (T+24.3d) Gaia, 2024-01-02 12:53,  Mag 15.65 (T+35.5d)

NGC 7171 with SN 2023yoo - 2024-08-11 (T+257.0d) Image below (2024-08-11.051) was taken 257.0 days after discovery of 2023yoo Position of earlier reported SN (faded & likely no longer visible) is indicated by white cross-hairs. Non-Detection Limiting Magnitude +18.0 (Clear Filter) Poor quality image (low S/N, single sub-frame)

Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-08-11 01:13 UT (#1226099) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023yoo (in NGC 7171) on Supernova 2023 Page >>

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