David's Astronomy Pages Images - Session 1195 (2024-02-29)

Images (S1194)

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Images (S1196)

Objects

Session Notes

IC 564 - Spiral Galaxy with Type Ia Supernova 2023abqf     NGC 3467 - Spiral Galaxy with Type MP Transient AT 2024dda     UGC 831 - Spiral Galaxy with Type IIb Supernova 2023wdd UGC 5886 - Spiral Galaxy with Type IIn Supernova 2024hw UGC 9002 - Spiral Galaxy with Type II Supernova 2023pls       - AT2024crd, NGC 3115, UGC 6049 w/SN2023dff attempts failed (due to cloud)     Variable Stars (photometric monitoring) - None      Nearby Stars (astrometric monitoring) - None

- Evening Session (5.4 hrs). Poor quality skies & cloud resulted in generally poor quality images, several targets had only a single useable frame whilst other targets were rejected altogether.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 2°C (min) - CCD Temperature:   -20°C - Notes from 2024-02-29 >>     -

Observing Result

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IC 564 - Spiral Galaxy with Type Ia Supernova 2023abqf

IC 564 with SN 2023abqf (Sextans) SN 2023abqf (Type: Ia) discovered 2023-12-26.492 UT by ATLAS Alias: ATLAS23xws, Gaia24adb Discovery Magnitude 18.23  (orange-ATLAS Filter) Confirmed SN Ia Gaia, 2023-12-24 20:22 , 19.42 (pre-discovery) Gaia, 2024-01-04 08:30, 16.01                              ( TNS 2024gy  | Gaia24adb )

IC 564 with SN 2023abqf - 2024-03-01 (T+65.5d) Image below (2024-03-01.031) was taken 65.5 days after discovery of 2023abqf Position of reported SN (very faint) is indicated by white cross-hairs. Very poor quality image (cloud/single frame

Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-03-01 00:45 UT (#1195074) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023abqf (in IC 564) on Supernova 2023 Page >>

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NGC 3467 - Spiral Galaxy with Type MP Transient AT 2024dda

NGC 3467 with AT 2024dda (Leo) AT 2024dda (Type: MP) discovered 2024-02-20.987 UT by Italian Supernovae Search Project Alias: MP (18961 Discovery Magnitude 17.94 (Clear Filter) vs Prior Non-Detection Limiting Mag 19.0  ( TNS 2024dda )

NGC 3467 - Spiral Galaxy

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-03-15 21:31 UT (#1198056-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3467 with AT 2024dda - 2024-02-29 (T+9.0d) Image below (2024-02-29.995) was taken 9.0 days after discovery of 2024dda Position of reported transient (not visible) is indicated by white cross-hairs. Poor quality image (cloud / single frame)

Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-02-29 23:53 UT (#1195054) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024dda (in IC 2190) on Transients 2024 Page >>

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UGC 831 - Spiral Galaxy with Type IIb Supernova 2023wdd

UGC 831 with SN 2023wdd (Andromeda) SN 2023wdd (Type: IIb) discovered 2023-11-01.445 UT by ATLAS Alias: ATLAS23uvt Discovery Magnitude 17.96 (orange-ATLAS Filter) (AT 2023wdd, Candidate Supernova later confirmed as Type IIb Supernova)  ( TNS 2023wdd )

UGC 831 with SN 2023wdd - 2024-02-29 (T+120.4d) Image below (2024-02-29.819) was taken 120.4 days after discovery of 2023wdd Position of reported supernova (very faint) is shown by white cross-hairs Very poor quality image (cloud/single frame)

Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-02-29 19:39 UT (#1195006) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 831 with SN 2023wdd - Earlier Image, 2023-11-06 (T+5.5d) Image below (2023-11-06.966) was taken 5.5 days after discovery of 2023wdd Position of reported supernova (faint and indistinct) is shown by white cross-hairs Measured Magnitude +16.63 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-11-06 23:21 UT (#1161049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023wdd (in UGC 831) on Supernova 2023 Page >>

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UGC 5886 - Spiral Galaxy with Type IIn Supernova 2024hw

UGC 5886 with AT 2024hw (Sextans) AT 2024hw (Type: unk) discovered 2024-01-05.357 UT by ZTF Alias: ZTF24aaaibep Discovery Magnitude 17.394 (i-ZTF Filter)  ( TNS 2024hw )

UGC 5886 with SN 2024hw - 2024-02-29 (T+55.6d) Image below (2024-02-29.983) was taken 55.6 days after discovery of 2024hw Position of reported transient (faint) is indicated by white cross-hairs. Estimated Magnitude +16.8 (Clear Filter) Poor quality image (poor sky transparency)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-29 23:43 UT (#1195047-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024hw (in UGC 5886) on Supernova 2024 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 - 2024-02-29 (T+199.0d) Image below (2024-02-29.939) was taken 199.0 days after discovery of 2023pls Position of reported SN (very faint & fading) is indicated by white cross-hairs. Poor quality image (poor sky transparency/single frame)

Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-02-29 22:32 UT (#1195016) 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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