David's Astronomy Pages Images - Session 1237 (2024-08-31)

Images (S1236)

Images Main

Home Page

Images (S1238)

Objects

Session Notes

13P/Olbers - Comet     Vega - A0V Star     AT 2021agdj - CV Type Transient AT 2022vqv - CV Type Transient AT 2023cz - CV Type Transient AT 2023tww - CV Type Transient AT 2023xni - CV Type Transient AT 2023abqc - CV Type Transient AT 2023abtv - CV Type Transient AT 2024un - CV Type Transient AT 2024efg - CV Type Transient AT 2024emm - CV Type Transient     CGCG 082-009 - Galaxy (PGC 59680) with Type Ia Supernova 2023ujr LEDA 1846725 - Galaxy with Type II Supernova 2024iss M31 - Spiral Galaxy with EGN Transient AT 2024ssq M33 - Spiral Galaxy with Transient AT 2023nou MCG -1-60-15 - Spiral Galaxy     NGC 3206 - Spiral Galaxy with Type IIn Supernova 2024bch     SN 2023sfl - Type Ia-91T Supernova in SDSS Galaxy     Variable Stars (photometric monitoring) - RX And, SS Cyg, BL Lac, X Tri     Nearby Stars (astrometric monitoring) - 61 Cyg, Groombridge 34

- All-night Session (6.6 hrs)     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 12.5°C (min) - CCD Temperature:   -10°C - Notes from 2024-08-31 >>     - Aurora Images/Video from night, 2024-08-31 >> North Panorama

Observing Result

Back to Top

13P/Olbers - Comet

13P/Olbers - 2024-08-31 (passing through Coma Berenices) Sun Distance 1.50 AU (receeding) Earth Distance 2.14 AU (320.0 million km)		13P/Olbers - 2024-08-31 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 119.17 arcsec/hr, Dec -78.49 arcsec/hr)
Annotated CCD Image (50% size, log scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2024-08-31 20:56 UT (#1237008) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, log scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 20:59 UT (#1237008-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
13P/Olbers - 2024-08-31		13P/Olbers - 2024-08-31 Detail
Annotated false-colour CCD Image (50% size, log scale) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 20:59 UT (#1237008-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, log scale, cropped) Image details as left
Images of 13P/Olbers on Comets 2024 Page >>

Back to Top

Vega - A0V Star

Vega (Lyra) Alias: HIP 91262 Spectral A0V

Realtime Spectra Chart 0.11s exposure (single frame), 2x2 binning, S Filter 2024-08-31 22:51 UT (#1237062) 12" LX200R (at f/10.4) + ST-10XME

Final Spectral Chart Using new code in AstroMain 3.71.5 to align frames using brightest star and automatically select the brightest star in the combined image as the zero order star for creating the spectral profile.

Annotated CCD Image (100% size, square root scale, rotated) 10 x 0.11s exposure (average combine), 2x2 binning, S Filter 2024-08-31 22:51 UT (#1237062-71) 12" LX200R (at f/10.4) + ST-10XME

Spectral image above created using AstroMain's ImageBuilder with new code in AstroMain 3.71.5 to quickly label star and add appropriate scale bar in Angstrom

Back to Top

AT 2021agdj - CV Type Transient

AT 2021agdj (Sagitta) AT 2021agdj (Type: CV) discovered 2021-12-05.977 UT by Gaia Alias: Gaia21flm Discovery Magnitude 15.23 (G-Gaia Filter) vs Historical Magnitude 15.49 +/- 0.02 SD Gaia source brightens by ~0.3 mag  ( TNS 2021aecv | Gaia21flm )

AT 2021agdj - 2024-08-31 (T+1000.0d) Image below (2024-08-31.959) was taken 1000.0 days after discovery of 2021agdj Position of transient (faint) is shown by white cross-hairs Measured Magnitude +15.72 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 23:04 UT (#1237074-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021agdj on Transients 2021 Page >>

Back to Top

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 - 2024-08-31 (T+709.7d) Image below (2024-08-31.968) was taken 709.7 days after discovery of 2022vqv Position of transient (very faint / barely visible) is shown by white cross-hairs Estimated Magnitude +18.2 (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) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 23:17 UT (#1237081-84) 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 >>

Back to Top

AT 2023cz - CV Type Transient

AT 2023cz (Pisces) AT 2023cz (Type: CV) discovered 2023-01-08.461 UT by MASTER Alias: MASTER OT J011250.33+320817.5 Discovery Mag 14.6 (Clear Filter) vs Prior Non-Detection limiting mag 20.3  ( TNS 2023cz )

AT 2023cz - 2024-09-01 (T+601.6d) Image below (2024-09-01.073) was taken 601.6 days after discovery of 2023cz Position of reported transient (faint, fading) is shown by white cross-hairs Measured magnitude +16.65 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-01 01:48 UT (#1237168-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023cz on Transients 2023 Page >>

Back to Top

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 - 2024-08-31 (T+334.5d) Image below (2024-08-31.933) was taken 334.5 days after discovery of 2023tww Position of reported transient (faint) is shown by white cross-hairs Measured magnitude +15.10 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 22:24 UT (#1237050-51) 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 >>

Back to Top

AT 2023xni - CV Type Transient

AT 2023xni (Andromeda) AT 2023xni (Type: CV) discovered 2023-11-11.647 UT by XOSS Alias: XM125MZ, TCP J23030178+4916384 Discovery Magnitude 14.57 (Clear Filter)  ( TNS 2023xni )

AT 2023xni - 2024-08-31 (T+294.3d) Image below (2024-08-31.985) was taken 294.3 days after discovery of 2023xni Position of earlier reported transient (likely faded & no longer visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.0 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 23:41 UT (#1237095-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023xni on Transients 2023 Page >>

Back to Top

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 - 2024-09-01 (T+250.3d) Image below (2024-09-01.024) was taken 250.3 days after discovery of 2023abqc Position of reported transient (faint) is shown by white cross-hairs Measured Magnitude +16.45 (Clear Filter) It appears the image likely records a new outburst in this candidate CV since Gaia data shows that this object's normal Low Stand Magnitude is in range +20.2 to +21.1

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-01 00:38 UT (#1237138-42) 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 >>

Back to Top

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 - 2024-09-01 (T+249.0d) Image below (2024-09-01.017) was taken 249.0 days after discovery of 2023abtv Position of reported transient (distinct, fading again) is shown by white cross-hairs Measured Magnitude +12.37 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-01 00:26 UT (#1237131-34) 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 >>

Back to Top

AT 2024un - CV Type Transient

AT 2024un (Vulpecula) AT 2024un (Type: CV) discovered 2024-01-06.751 UT by Gaia Alias: Gaia24ael Discovery magnitude 15.46 (G-Gaia Filter) vs Historic Magnitude 15.67 +/- 0.04 (SD) ~0.2 mag rise in Gaia source  ( TNS 2024un | Gaia24ael )

AT 2024un - 2024-08-31 (T+238.1d) Image below (2024-08-31.901) was taken 238.1 days after discovery of 2024un Position of reported transient (distinct) is shown by white cross-hairs Measured Magnitude +15.60 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 21:41 UT (#1237029-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024un on Transients 2024 Page >>

Back to Top

AT 2024brc - Transient

AT 2024brc (Lacerta) AT 2024brc (Type: unk) discovered 2024-02-04.615 UT by MASTER Alias: MASTER OT J221035.21+421901.2 Discovery magnitude 15.5 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 18.7  ( TNS 2024brc )

AT 2024brc - 2024-09-01 (T+209.4d) Image below (2024-09-01.033) was taken 209.4 days after discovery of 2024brc Position of reported transient (distinct, fading again) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.3 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-01 00:56 UT (#1237145-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024brc on Transients 2024 Page >>

Back to Top

AT 2024efg - CV Type Transient

AT 2024efg (Cygnus) AT 2024efg (Type: CV) discovered 2024-03-10.301 UT by Gaia Alias: Gaia24axs Alerting Magnitude 16.62 (G-Gaia Filter) vs Historic Magnitude 18.65 +/- 1.08 (SD) Outburst in candidate CV MGAB-V305  ( TNS 2024efg | Gaia23duv )

AT 2024efg - 2024-08-31 (T+174.7d) Image below (2024-08-31.976) was taken 174.7 days after discovery of 2024efg Position of reported 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 2024-08-31 23:29 UT (#1237088-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024efg on Transients 2024 Page >>

Back to Top

AT 2024emm - CV Type Transient

AT 2024emm (Andromeda) AT 2024emm (Type: CV) discovered 2024-03-14.443 UT by Gaia Alias: Gaia24azm Alerting Magnitude 16.62 (G-Gaia Filter) vs Historic Magnitude 19.32 +/- 1.15 (SD) Outburst in candidate CV  ( TNS 2024emm | Gaia24azm )

AT 2024emm - 2024-09-01 (T+170.7d) Image below (2024-09-01.105) was taken 170.7 days after discovery of 2024emm Position of reported transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.7 (Clear Filter) Observation indicates that candidate CV is in a low-stand state (ie within mag range of 19.8 - 21.1 according to Gaia data)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-09-01 02:34 UT (#1237199-203) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024emm on Transients 2024 Page >>

Back to Top

CGCG 082-009 - Galaxy (PGC 59680) with Type Ia Supernova 2023ujr

CGCG 082-009 with SN 2023ujr (Ophiuchus) SN 2023ujr (Type: Ia) discovered 2023-10-08.273 UT by ATLAS Alias: ATLAS23tuz Discovery Magnitude 16.91 (cyan-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 18.96  ( TNS 2023ujr )

CGCG 082-009 (PGC 59680) - Galaxy CGCG 082-009 (Alias: PGC 59680, catalog mag +16.5) with adjacent galaxy PGC 59670 (catalog mag +16.0)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 22:41 UT (#1237055-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 082-009 with SN 2023ujr - 2024-08-31 (T+328.7d) Image below (2024-08-31.939) was taken 328.7 days after discovery of 2023ujr Position of earlier reported transient (not visible, likely faded) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.8 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 22:41 UT (#1237055-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023ujr (in CGCG 082-009) on Supernovae 2023 Page >>

Back to Top

LEDA 1846725 - Galaxy with Type II Supernova 2024iss

LEDA 1846725 with SN 2024iss (Coma Berenices) SN 2024iss (Type: II) discovered 2024-05-12.901 UT by GOTO Alias: GOTO24bmf, ZTF24aankvcy, ATLAS24hhy Discovery Magnitude 14.58 (L-GOTO Filter) vs Prior Non-Detection Limiting Magnitude 19.5  ( TNS 2024iss )

LEDA 1846725 with SN 2024iss - 2024-08-31 (T+111.0d) Image below (2024-08-31.888) was taken 111.0 days after discovery of 2024iss Position of reported SN (fading) is indicated by white cross-hairs. Measured Magnitude +15.66 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 21:26 UT (#1237023-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024iss (in LEDA 1846725) on Supernova 2024 Page >>

Back to Top

M31 - Spiral Galaxy with EGN Transient AT 2024ssq

M31 with AT 2024ssq (Andromeda) AT 2024ssq (Type: Nova) discovered 2024-08-24.996 UT by Italian Supernovae Search Project Discovery Mag 16.4 (L_ filter)  ( TNS 2023ttu )

Nova M31 AT 2024ssq - 2024-08-31 (T+6.9d) Image below (2024-08-31.916) was taken 6.9 days after discovery of 2024ssq Position of reported transient (very faint / barely visible) is shown by white cross-hairs Estimated Magnitude +19.0 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-31 22:07 UT (#1237041-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024ssq (in M31) on Transients 2024 Page >>

Back to Top

M33 - Spiral Galaxy with Transient AT 2023nou

Back to Top

MCG -1-60-15 - Spiral Galaxy

MCG -1-60-15 - Spiral Galaxy Alias :  PGC 71954

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-01 01:19 UT (#1237152-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG -1-60-15 with SN 2022wsr (Aquarius) SN 2022wsr (Type: II) discovered 2022-10-02.269 UT by ZTF Alias: ZTF22abjvyib Discovery Magnitude +17.86 (g-ZTF Filter)  ( TNS  2022wsr )

MCG -1-60-15 with SN 2022wsr - 2024-09-01 (T+699.8d) Image below (2024-09-01.049) was taken 699.8 days after discovery of 2022wsr Position of earlier reported SN (no longer visible) shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-01 01:19 UT (#1237152-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022wsr (MCG -1-60-15) on Supernova 2022 Page >>

Back to Top

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 - 2024-09-01 (T+215.9d) Image below (2024-09-01.128) was taken 215.9 days after discovery of 2024bch Position of reported SN (faint, fading) is indicated by white cross-hairs. Estimated Magnitude +16.5 (Clear Filter) Very poor quality image (poor sky conditions, single frame)

Annotated CCD Image (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-09-01 03:05 UT (#1237215) 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 >>

Back to Top

SN 2023sfl - Type Ia-91T Supernova in SDSS Galaxy

SN 2023sfl (Pisces) Alias: In SDSS J012038.93+321416.15 SN 2023sfl (Type: Ia-91T) discovered 2023-09-13.450 UT by ZTF Alias: ZTF23abcvqkd Discovery Magnitude 19.89 (r-ZTF Filter)  ( TNS 2023sfl )

SN 2023sfl - 2024-09-01 (T+353.6d) Image below (2024-09-01.090) was taken 353.6 days after discovery of 2023sfl Position of earlier SN (no longer visible) is indicated by white cross-hairs. Non-Detection Limiting Magnitude +19.5 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-09-01 02:19 UT (#1237192-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2023sfl - Earlier Image 2023-11-08 (T+56.4d) Image below (2023-11-08.833) was taken 56.4 days after discovery of 2023sfl Position of earlier reported SN (faint SN or nucleus ?) is indicated by white cross-hairs. Measured Magnitude +18.05  (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-11-08 20:08 UT (#1163043-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023sfl (in SDSS Galaxy) on Supernova 2023 Page >>

Back to Top