David's Astronomy - Images 2024-09-15 (S1244)

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Images - Session 1244 (2024-09-15)

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Objects Session Notes

Nova Vul 2024 - Nova (V615 Vul)

T CrB - Variable Star

AT 2021aeft - CV Type Transient

AT 2022obq - CV Type Transient

AT 2022weo - Type HPM Transient (Teegardens Star)

AT 2023iw - CV Type Transient

AT 2023pmt - CV Type Transient

AT 2024ll - CV Type Transient (non-detection)

AT 2024ebd - CV Type Transient

AT 2024eja - Type YSO? Transient

AT 2024epi - CV Type Transient

AT 2024hai - CV Type Transient (non-detection)

AT 2024ugc - Transient

AT 2024uzm - Transient

AT 2024vhz - Type CV? Transient

AT 2024vid - Type MP Transient

CGCG 478-048 - Galaxy with Type Ic-BL Supernova 2022xzm

LCSB S2416O - Galaxy with Type Ia Supernova 2023mtc

LEDA 1846725 - Galaxy with Type II Supernova 2024iss

M31 - Spiral Galaxy with Type EGN Transient AT 2023mxi

NGC 924 - Spiral Galaxy with Type MP? Transient AT 2023vss

NGC 3206 - Spiral Galaxy with Type IIn Supernova 2024bch

UGC 11016 - Spiral Galaxy with Type Ia Supernova 2024hcj

Variable Stars (photometric monitoring)

- None

Nearby Stars (astrometric monitoring)

- None

- All-Night Session (8.1 hr)

- 12" LX200 + ST-10XME for imaging

- TS 80mm APO + ZWO ASI178MC for guiding & imaging

- Ambient Temperature: 7°C (min)

- CCD Temperature: -15°/ -20°C

- Notes from 2024-09-15 >>

- Aurora Images/Video from night, 2024-09-15/16 >>

Observing Result

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 - 2024-09-15 (T+48.1d)
Image below (2024-09-15.955) was taken 48.1 days after discovery of nova
Nova (distinct) is shown by white cross hairs.
Measured magnitude +14.03 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 30s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 22:57 UT (#1244103-07)
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 >>

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 (V Band) - 2024-09-15

T CrB - Photometry - 2024-09-15

Altitude 35.1, Airmass 1.737

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	-13.101		10.843	1.034	-11.910
K Star	112	11.166	-11.785	11.13	11.779	0.613	-10.971	11.78	0.66
Var. Star	T CrB		-12.964	9.95	-		-11.609	11.14	1.20

Annotated CCD Image (50% size, linear scale)
3 x 15s exposure (average combine), 3x3 binning, V Filter
2024-09-15 20:46 UT (#1244018-22)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CCD Image (not shown)
3 x 20s exposure (average combine), 3x3 binning, B Filter
2024-09-15 20:45 UT (#1244017-21)

More Images & Data for T CrB >>

AT 2021aeft - CV Type Transient

AT 2021aeft (Pegasus)
AT 2021aeft (Type: CV) discovered 2021-11-09.667 UT by Gaia
Alias: Gaia21fci, CSS 111021:231909+331540 (Candidate CV/XRB)
Alerting Magnitude 16.62 (G-Gaia Filter)
vs Historic Magnitude 18.30 +/- 0.45 SD
Ouburst in known CV, previously alerted as Gaia15abx (2014-11-21)
( TNS 2021aeft | Gaia21fci )

AT 2021aeft - 2024-09-15 (T+1041.3d)
Image below (2024-09-15.979) was taken 1041.3 days after discovery of 2021aeft
Position of earlier transient (very faint) is shown by white cross-hairs
Measured Magnitude +18.23 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 23:33 UT (#1244123-27)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021aeft on Transients 2021 Page >>

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 - 2024-09-16 (T+808.0d)
Image below (2024-09-16.084) was taken 808.0 days after discovery of 2022obq
Position of transient (brightening) is shown by white cross-hairs
Measured Magnitude +16.48 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 02:04 UT (#1244191-95)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022obq - Earlier Image 2022-11-28 (T+150.8d)
Image below (2022-11-28.903) was taken 150.8 days after discovery of 2022obq
Position of transient (distinct) is shown by white circle
Measured Magnitude + 13.73

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2022-11-28 21:43 UT (#1064189-93)
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 >>

AT 2022weo - Type HPM Transient (Teegardens Star)

AT 2022weo (Aries)
AT 2022weo (Type: HPM) discovered 2022-09-27.698 UT by MASTER
Alias: MASTER OT J025306.46+165128.4
Believed to be Teegardens Star
(official name SO025300.5+165258, other name GSC 1224:29)
Discovery Magnitude 12.7 (Clear Filter)
( TNS 2022weo )

AT 2022weo - 2024-09-16 (T+719.4d)
Image below (2024-09-16.090) was taken 719.4 days after discovery of 2022weo
Position of reported transient is shown by white cross-hairs
Measured Magnitude +12.72 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 02:13 UT (#1244198-202)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022weo on Transients 2022 Page >>

AT 2023iw - CV Type Transient

AT 2023iw (Cetus)
AT 2023iw (Type: CV) discovered 2023-01-12.823 UT by ATLAS
Alias: ATLAS23ajg
Discovery Magnitude 14.68 (cyan-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.18
( TNS 2023iw )

AT 2023iw - 2024-09-15 (T+612.2d)
Image below (2024-09-15.994) was taken 612.2 days after discovery of 2023iw
Position of earlier transient (distinct) is shown by white cross-hairs
Measured Magnitude +13.90 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 00:01 UT (#1244141-45)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023iw on Transients 2023 Page >>

AT 2023pmt - CV Type Transient

AT 2023pmt (Draco)
AT 2023pmt (Type: CV) discovered 2023-08-15.760 UT by XOSS
Alias: XM103MZ, TCP J20091347+6441100
Discovery Mag 16.7 (Clear Filter)
( TNS 2023pmt )

AT 2023pmt - 2024-09-15 (T+397.1d)
Image below (2024-09-15.908) was taken 397.1 days after discovery of 2023pmt
Position of reported transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magitude +18.7 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 21:51 UT (#1244069-73)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023pmt on Transients 2023 Page >>

AT 2024ll - CV Type Transient (non-detection)

AT 2024ll (Taurus)
AT 2024ll (Type: CV) discovered 2024-01-04.756 UT by XOSS
Alias: KATS24A001, TCP J05103196+2336557
Discovery magnitude 16.65 (Clear Filter)
( TNS 2024ll )

AT 2024ll - 2024-09-16 (T+255.4d)
Image below (2024-09-16.147) was taken 255.4 days after discovery of 2024ll
Position of earlier transient (no longer visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.8 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 03:34 UT (#1244225-29)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024ll on Transients 2024 Page >>

AT 2024ebd - CV Type Transient

AT 2024ebd (Cygnus)
AT 2024ebd (Type: CV) discovered 2024-03-07.229 UT by Gaia
Alias: Gaia24awi, MNIC V84
Discovery magnitude 16.42 (G-Gaia Filter)
vs Historic magnitude 17.48 +/- 0.46 SD
( TNS 2024ebd | Gaia24awi )

AT 2024ebd - 2024-09-15 (T+192.7d)
Image below (2024-09-15.961) was taken 192.7 days after discovery of 2024ebd
Position of earlier transient (very faint) is shown by white cross-hairs
Non-Detection Limiting Magnitude +16.88 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 23:07 UT (#1244110-14)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024ebd on Transients 2024 Page >>

AT 2024eja - Type YSO? Transient

AT 2024eja (Monoceros)
AT 2024eja (Type: YSO?) discovered 2024-03-13.147 UT by Gaia
Alias: Gaia24ayy
Discovery Magnitude 12.70 (G-Gaia Filter)
vs Historic Magnitude 12.29 +/- 0.04 SD
Dimming in candidate YSO
( TNS 2024eja | Gaia24ayy )

AT 2024eja - 2024-09-16 (T+187.0d)
Image below (2024-09-16.166) was taken 187.0 days after discovery of 2024eja
Position of reported transient (distinct) is shown by white cross-hairs
Measured Magnitude +12.36 (Clear Filter)
Poor quality image (poor seeing, altitude 15.9° )

Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 04:04 UT (#1244244-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024eja on Transients 2024 Page >>

AT 2024epi - CV Type Transient

AT 2024epi (Andromeda)
AT 2024epi (Type: CV) discovered 2024-03-16.214 UT by Gaia
Alias: Gaia24bad, ASASSN-14cj
Discovery magnitude 15.86 (G-Gaia Filter)
vs Historic magnitude 19.26 +/- 1.02 SD
Outburst in candidate CV ASASSN-14cj
( TNS 2024epi | Gaia24bad )

AT 2024epi - 2024-09-16 (T+183.9d)
Image below (2024-09-16.069) was taken 183.9 days after discovery of 2024epi
Position of earlier transient (very faint / barely visible) is shown by white cross-hairs
Estimated Magnitude +18.7 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 01:44 UT (#1244176-80)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024epi on Transients 2024 Page >>

AT 2024hai - CV Type Transient (non-detection)

AT 2024hai (Hercules)
AT 2024hai (Type: CV) discovered 2024-04-21.807 UT by XOSS
Alias: KATS24H002, TCP J18063680+2909322
Discovery magnitude 15.31 (Clear Filter)
( TNS 2024hai )

AT 2024hai - 2024-09-15 (T+147.1d)
Image below (2024-09-15.933) was taken 147.1 days after discovery of 2024hai
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +19.0 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 22:26 UT (#1244084-88)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024hai on Transients 2024 Page >>

AT 2024ugc - Transient

AT 2024ugc (Perseus)
AT 2024ugc (Type: unk) discovered 2024-08-30.538 UT by ATLAS
Alias: ATLAS24nsj, Gaia24clr
Discovery Magnitude 16.84 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.37
Candidate SN (Gaia)
( TNS 2024ugc | Gaia24clr )

AT 2024ugc - 2024-09-16 (T+22.3d)
Image below (2024-09-16.025) was taken 22.3 days after discovery of 2024ugc
Position of earlier transient (faint, brightening ?) is shown by white cross-hairs
Measured magnitude +16.34 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 00:45 UT (#1244155-59)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024ugc on Transients 2024 Page >>

AT 2024uzm - Transient

AT 2024uzm (Taurus)
AT 2024uzm (Type: unk) discovered 2024-09-07.519 UT by ATLAS
Alias: ATLAS24oag, GOTO24fxr
Discovery Magnitude 15.09 (orange-ATLAS Filter)
( TNS 2024uzm )

AT 2024uzm - 2024-09-16 (T+8.6d)
Image below (2024-09-16.101) was taken 8.6 days after discovery of 2024uzm
Position of reported transient (faint) is shown by white cross-hairs
Measured magnitude +16.80 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 02:34 UT (#1244205-09)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024uzm on Transients 2024 Page >>

AT 2024vhz - Type CV? Transient

AT 2024vhz (Cepheus)
AT 2024vhz (Type: CV?) discovered 2024-09-12.741 UT by XOSS
Alias: KATS24R009, TCP J21272983+6037046
Discovery Magnitude 16.29 (Clear Filter)
( TNS 2024vhz )

AT 2024vhz - 2024-09-16 (T+3.3d)
Image below (2024-09-16.054) was taken 3.3 days after discovery of 2024vhz
Position of reported transient (faint) is shown by white cross-hairs
Measured magnitude +15.22 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 01:27 UT (#1244169-73)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024vhz on Transients 2024 Page >>

AT 2024vid - Type MP Transient

AT 2024vid (Pegasus)
AT 2024vid (Type: MP) discovered 2024-09-07.618 UT by MASTER
Alias: MASTER OT J234150.01+092114.9, (137
Discovery Magnitude 11.5 (Clear Filter)
( TNS 2024vid )

AT 2024vid - 2024-09-15 (T+8.3d)
Image below (2024-09-15.941) was taken 8.3 days after discovery of 2024vid
Position of reported transient (ambiguous) is shown by white cross-hairs
Measured magnitude (visible star) +16.35 (Clear Filter)
It is unclear if the reported transient is the star lying close to cross-hairs or not

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 22:38 UT (#1244091-95)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024vid on Transients 2024 Page >>

CGCG 478-048 - Galaxy with Type Ic-BL Supernova 2022xzm

CGCG 478-048 with SN 2022xzm (Andromeda)
SN 2022xzm (Type: Ic-BL) discovered 2022-10-18.284 UT by ATLAS
Alias: ATLAS22bizg, ZTF22abnwpmq
Discovery Magnitude 19.12 (cyan-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.63
( TNS 2022xzm )

CGCG 478-048 with SN 2022xzm - 2024-09-16 (T+698.7d)
Image below (2024-09-16.010) was taken 698.7 days after discovery of 2022xzm
Position of earlier supernova (faded & no longer visible) is shown by white cross-hairs
Non-Detection Limiting Mag +18,0 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 00:23 UT (#1244148-52)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022xzm on Supernova 2022 Page >>

LCSB S2416O - Galaxy with Type Ia Supernova 2023mtc

LCSB S2416O with SN 2023mtc (Lyra)
SN 2023mtc (Type: Ia, z=0.01) discovered 2023-07-09.374 UT by ZTF
Alias: ZTF18aawlfnj
Discovery Magnitude 17.44 ( r-ZTF)
( TNS 2023pgb )

LCSB S2416O with SN 2023mtc - 2024-09-15 (T+434.5d)
Image below (2024-09-15.872) was taken 434.5 days after discovery of 2023mtc
Position of earlier SN (not separately distinguishable, likely not visible) is shown by white cross-hairs

Annotated CCD Image (175% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 21:03 UT (#1244025-29)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023mtc (in LCSB S2416O) on Supernova 2023 Page >>

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 - 2024-09-15 (T+125.9d)
Image below (2024-09-15.849) was taken 125.9 days after discovery of 2024iss
Position of reported SN (fading) is indicated by white cross-hairs.
Measured Magnitude +15.84 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 20:31 UT (#1244005-09)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 1846725 with SN 2024iss - Earlier Image 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 >>

M31 - Spiral Galaxy with Type EGN Transient AT 2023mxi

M31 with AT 2023mxi (Andromeda)
AT 2023mxi (Type: EGN) discovered 2023-07-12.859 UT by XOSS
Alias: PSP23H, MASTER OT J004341.86+405222.7, PNV J00434177+4052237, ZTF23aarlxdf
Discovery Magnitude 16.1 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 18.0
Spectrum shows strong Barmer emission lines, including Hα, Hβ, and Hγ.
consistent with a Nova.
( CBAT Nova M33 2024-08a? )

Nova M31 AT 2023mxi - 2024-09-16 (T+431.3d)
Image below (2024-09-16.116) was taken 431.3 days after discovery of 2023mxi
Position of earlier transient (faded & no longer visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +19.7 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 02:55 UT (#1244211-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023mxi (in M31) on Transients 2023 Page >>

NGC 924 - Spiral Galaxy with Type MP? Transient AT 2023vss

NGC 924 with AT 2023vss (Aries)
AT 2023vss (Type: MP?) discovered 2023-10-24.401 UT by ANTARES
Alias: ZTF23abnazem
Discovery Mag 17.06 (r-ZTF Filter)
( TNS 2023vss )

NGC 924 with AT 2023vss - 2024-09-16 (T+327.7d)
Image below (2024-09-16.131) was taken 327.7 days after discovery of 2023vss
Position of reported transient (not visible) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 03:19 UT (#1244218-22)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 924 - Pre-Transient, 2023-09-20 (T-33.4d)
Image taken one month prior to discovery of AT 2023vss

Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-20 23:27 UT (#1147093-96)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023vss (in NGC 924) on Transients 2023 Page >>

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 - 2024-09-16 (T+230.8d)
Image below (2024-09-16.039) was taken 230.8 days after discovery of 2024bch
Position of reported SN (fading) is indicated by white cross-hairs.
Measured Magnitude +16.23 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-16 01:05 UT (#1244162-66)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3206 with SN 2024bch - Earlier Image 2024-02-14 (T+15.8d)
Image below (2024-02-14.083) was taken 15.8 days after discovery of 2024bch
Position of reported SN (relatively bright & distinct) is indicated by white cross-hairs.
Measured Magnitude +13.10 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-02-14 02:09 UT (#1185189-93)
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 >>

UGC 11016 - Spiral Galaxy with Type Ia Supernova 2024hcj

UGC 11016 with SN 2024hcj (Hercules)
SN 2024hcj (Type: Ia) discovered 2024-04-21.444 UT by ZTF
Alias: ZTF24aakskvp, Gaia24bin
Discovery Magnitude 18.42 (g-ZTF Filter)
Confirmed SN Ia
Gaia, 2024-05-02 17:42, mag 16.4
( TNS 2024hcj | Gaia24bin)

UGC 11016 with SN 2024hcj - 2024-09-15 (T+147.5d)
Image below (2024-09-15.917) was taken 147.5 days after discovery of 2024hcj
Position of earlier SN (not distinguishable) is indicated by white cross-hairs.

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-15 22:09 UT (#1244076-80)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024hcj (in UGC 11016) on Supernova 2024 Page >>

This Web Page:	Images - Session 1244 (2024-09-15)
Last Updated :	2024-09-27
Site Owner :	David Richards
Home Page :	David's Astronomy Web Site

David's Astronomy Pages Images - Session 1244 (2024-09-15)