David's Astronomy Pages Images - Session 1205 (2024-04-09)

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Images (S1206)

Objects

Session Notes

Satellite ? - Passing by M98 & NGC 4129A (2) Pallas - Minor Planet     AT 2024crd - Type Nova? Transient     MCG -1-33-30 - Irregular Galaxy with Type II Supernova 2024byg     NGC 4192A - Spiral Galaxy with Type II Supernova 2024exw NGC 4216 - Spiral Galaxy with Type Ia Supernova 2024gy NGC 5036 - Elliptical Galaxy with Type Ia Supernova 2024dop NGC 5630 - Spiral Galaxy with Type IIP Supernova 2023zdx NGC 6004 - Spiral Galaxy with Type II Supernova 2024cld NGC 6433 - Spiral Galaxy with Type Ia Supernova 2024efn NGC 6745 - Spiral Galaxy with Type II Supernova 2023ucy     UGC 8630 - Spiral Galaxy with Type II Supernova 2024drv     Variable Stars (photometric monitoring) - U Her, BL Lac      Nearby Stars (astrometric monitoring) - Barnards Star

- Post-Midnight Session (4.4 hrs)     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 2.5°C (min) - CCD Temperature:   -20°C - Notes from 2024-04-09 >>     -

Observing Result

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Satellite ? - Passing by M98 & NGC 4129A

Satellite ? Passing across starfield including background galaxies M98 & NGC 4192A (with SN 2024exw)

Annotated CCD Image (150% size, linear scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-04-09 23:36 UT (#1205009) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Satellite ? Object apppears to be both spinning (low frequency flash) and flashing (higher frequency flash) Is the apparent higher frequency flashing real or an artefact of the CCD Pixelisation ? Is the low frequency flash a spinning satellite or a wobble caused by plane wings tipping to & fro?

CCD Image (125% size, linear scale, cropped) Image details as above

Satellite ? - x8 Detail Zoomed in image shows that the higher frequency flashing is real (ie not a CCD artefact). The spacing of the flashes is around 4 times coarser than the CCD Pixels

CCD Image (800% size, linear scale, cropped) Image details as above

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(2) Pallas - Minor Planet

(2) Pallas - 2024-04-10 (passing through Hercules) Sun Distance 2.87 AU Earth Distance 2.22 AU (332.0 million km) (Ra Rate: -5.12 arcsec/hr, Dec Rate: 36.59 arcsec/hr)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 20s exposure (average combine), 3x3 binning, Clear Filter 2024-04-10 03:25 UT (#1205096-100) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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AT 2024crd - Type Nova? Transient

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MCG -1-33-30 - Irregular Galaxy with Type II Supernova 2024byg

MCG -1-33-30 with SN 2024byg (Virgo) SN 2024byg (Type: II) discovered 2024-02-08.550 UT by ASAS-SN Alias: ASASSN-24ax Discovery Magnitude 16.3 ( Clear Filter)  ( TNS 2024byg )

MCG -1-33-30 with SN 2024byg - 2024-04-10 (T+61.5d) Image below (2024-04-10.032) was taken 61.5 days after discovery of 2024byg Position of reported SN (fading) is indicated by white cross-hairs. Measured Magnitude +16.25  (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-10 00:53 UT (#1205034-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024byg (in MCG -1-33-30) on Supernova 2024 Page >>

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NGC 4192A - Spiral Galaxy with Type II Supernova 2024exw

NGC 4192A with AT 2024exw (Coma Berenices) AT 2024exw (Type: II, z=0.007) discovered 2024-03-24.674 UT by Koichi Itagaki Alias: ATLAS24ekc Discovery Magnitude 15.9 (Clear Filter) vs Prior Non-Detection in DSS Image  ( TNS 2024exw )

NGC 4192A with SN 2024exw - 2024-04-09 (T+16.3d) Image below (2024-04-09.976) was taken 16.3 days after discovery of 2024exw Position of reported supernova (distinct) is shown by white cross-hairs Measured Magnitude +15.19 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-09 23:34 UT (#1205006-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024exw (in NGC 4192A) on Supernova 2024 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 - 2024-04-09 (T+96.3d) Image below (2024-04-09.991) was taken 96.3 days after discovery of 2024gy Position of reported SN (fading) is indicated by white cross-hairs. Measured Magnitude +15.68 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-09 23:56 UT (#1205013-17) 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 5036 - Elliptical Galaxy with Type Ia Supernova 2024dop

NGC 5036 with SN 2024dop (Virgo) SN 2024dop (Type: Ia) discovered 2024-03-02.390 UT by ASAS-SN Alias: ASASSN-24bm Discovery Magnitude 16.4 (g-SLOAN Filter) vs Prior Non-Detection Limiting Mag 16.7  ( TNS 2024dop )

NGC 5036 with SN 2024dop - 2024-04-10 (T+38.6d) Image below (2024-04-10.008) was taken 38.6 days after discovery of 2024dop Position of reported SN (very faint) is indicated by white cross-hairs. Estimated Magnitude +17.8 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-10 00:21 UT (#1205020-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024dop (in NGC 5036) on Supernova 2024 Page >>

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NGC 5630 - Spiral Galaxy with Type IIP Supernova 2023zdx

NGC 5630 with SN 2023zdx (Bootes) SN 2023zdx (Type: IIP) discovered 2023-12-05.814 UT by ATLAS Alias: ATLAS23wwp, ZTF23absjgxb, Gaia24aek Discovery Magnitude 17.05 (orange-ATLAS filter) Confirmed SN IIP ( TNS 2023zdx | Gaia24aek )

NGC 5630 - Spiral Galaxy

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-24 00:49 UT (#1190147-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5630 with SN 2023zdx - 2024-04-10 (T+126.2d) Image below (2024-04-10.063) was taken 126.2 days after discovery of 2023zdx Position of SN (fading) is shown by white cross-hairs Estimated Magnitude +16.9 (C Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-10 01:39 UT (#1205048-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023zdx (in NGC 5630) on Supernovae 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 - 2024-04-10 (T+56.9d) Image below (2024-04-10.115) was taken 56.9 days after discovery of 2024cld Position of reported SN (distinct, fading) is indicated by white cross-hairs. Measured Magnitude +15.97 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-10 02:55 UT (#1205075-79) 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 6433 - Spiral Galaxy with Type Ia Supernova 2024efn

NGC 6433 with SN 2024efn (Hercules) SN 2024efn (Type: Ia) discovered 2024-03-12.496 UT by CRTS Alias: SNhunt463 Discovery Magnitude 19.0 (V-crts-CRTS Filter) vs Prior Non-Detection Limiting Magnitude 21.0  ( TNS 2024efn )

NGC 6433 with SN 2024efn - 2024-04-10 (T+28.6d) Image below (2024-04-10.102) was taken 28.6 days after discovery of 2024efn Position of reported supernova (faint but distinct, fading) is shown by white cross-hairs Measured Magnitude +16.02 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-10 02:35 UT (#1205068-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024efn (in NGC 6433) on Supernova 2024 Page >>

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NGC 6745 - Spiral Galaxy with Type II Supernova 2023ucy

NGC 6745 with SN 2023ucy (Lyra) SN 2023ucy (Type: II) discovered 2023-10-05.151 UT by ZTF Alias: ZTF23abhzxwm Discovery Mag +17.9 (r-ZTF filter) vs last non-detection image with 19.91 limiting mag It is noted that SN 2022prr (19:01:41.897, +40:45:03.67) occurred in Jul 2022 at approximately the same location as this newly reported transient 2023ucy (19:01:41.992, +40:45:05.89) (are they possibly related ?)  ( TNS 2023ucy ) ( TNS 2022prr )

NGC 6745 with SN 2023ucy - 2024-04-10 (T+187.9d) Image below (2024-04-10.087) was taken 187.9 days after discovery of 2023ucy Position of SN (fading ?) is shown by white cross-hairs Measured magnitude +15.00 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-10 02:13 UT (#1205060-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023ucy (NGC 6745) on Supernovae 2023 Page >>

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UGC 8630 - Spiral Galaxy with Type II Supernova 2024drv

UGC 8630 with SN 2024drv (Canes Venatici) SN 2024drv (Type: II) discovered 2024-03-02.513 UT by ATLAS Alias: ATLAS24dct Discovery Magnitude 16.56 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Mag 18.86  ( TNS 2024drv )

UGC 8630 with SN 2024drv - 2024-04-10 (T+38.5d) Image below (2024-04-10.049) was taken 38.5 days after discovery of 2024drv Position of reported SN (distinct, fading slowly) is indicated by white cross-hairs. Measured Magnitude +15.43 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-10 01:18 UT (#1205041-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024drv (in UGC 8630) on Supernova 2024 Page >>

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