David's Astronomy - Images 2024-10-24 (S1259)

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Images - Session 1259 (2024-10-24)

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Objects Session Notes

C/2023 A3 (Tsuchinshan-ATLAS) - Comet

Vega - A0V Star

AT 2023tpr - Type ulens? Transient

AT 2023ttx - CV Type Transient

AT 2023uzs - CV Type Transient

AT 2023wfq - Type YSO Transient

AT 2023aaui - CV Type Transient (non-detection)

AT 2024eoh - Transient (non-detection)

AT 2024fxd - Type Nova Transient

AT 2024sje - Type YSO Transient (near B33)

AT 2024vhz - Type CV? Transient (non-detection)

AT 2024vsz - Type CV? Transient (non-detection)

AT 2024wpc - Type AGN Transient in PGC 1875557

AT 2024xhn - Type Nova? Transient

AT 2024xvy - Type Nova Transient (non-detection)

AT 2024ycs - Type CV? Transient (non-detection)

AT 2024yej - Type CV? Transient

AT 2024yho - Transient (non-detection)

LEDA 2078778 - Galaxy with Type Ia Supernova 2024xqe

M31 - Spiral Galaxy with Transient AT 2024ynw (non-detection)

NGC 1275 - Spiral Galaxy with Type IIP Supernova 2024xav

NGC 1383 - Spiral Galaxy

NGC 2196 - Spiral Galaxy (UGCA 121)

PGC 143 - Dwarf Irregular Galaxy (Local Group Galaxy, WLM, UGCA 444)

SN 2024xqt - Type Ia Supernova

Variable Stars (photometric monitoring)

- U And, BL Lac, FO Ori, GW Ori

Nearby Stars (astrometric monitoring)

- None

- Attempted All-Night Session (11.8 hrs). Session interrupted significantly at begiining due to issue s related to new DeviceHub version 7.0.1

- 12" LX200 + ST-10XME for imaging

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

- Ambient Temperature: 11°C at start, dropping eventually to 7°C (min)

- CCD Temperature: -10°/-15°/-20°C

- Notes from 2024-10-24 >>

-

Observing Result

C/2023 A3 (Tsuchinshan-ATLAS) - Comet

C/2023 A3 (Tsuchinshan-ATLAS) - 2024-10-24 (passing through Ophiuchus) Sun Distance 0.79 AU (receeding) Earth Distance 0.73 AU (109.6 million km) Poor quality image (not centered as planned)		C/2023 A3 (Tsuchinshan-ATLAS) - 2024-10-24 Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 310.17 arcsec/hr, Dec 18.10 arcsec/hr) Poor quality image (single frame only)

Annotated CCD Image (50% size, log scale) 10s exposure (single frame), 3x3 binning, Clear Filter 2024-10-24 19:49 UT (#1259019) 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

C/2023 A3 (Tsuchinshan-ATLAS) - 2024-10-24 Poor quality image (not centered as planned)		C/2023 A3 (Tsuchinshan-ATLAS) - 2024-10-24 Poor quality image (single frame only)

False Color CCD Image (50% size, log scale) 10s exposure (single frame), 3x3 binning, Clear Filter 2024-10-24 19:49 UT (#1259019) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		False Color CCD Image (100% size, log scale, cropped) Image details as left

Images of C/2023 A3 Tsuchinshan-ATLAS on Comets 2024 Page >>

Vega - A0V Star

Vega (Lyra)
Alias: HIP 91262
Spectral A0V

Annotated CCD Image (100% size, square root scale, rotated)
10 x 0.11s exposure (average combine), 2x2 binning, S Filter
2024-10-24 20:34 UT (#1259034-43)
12" LX200R (at f/10.4) + ST-10XME

Vega - Earlier Spectra, 2024-08-31

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 images above created 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.
and new code in AstroMain 3.71.5+ to
quickly label star and add appropriate scale bar in Angstrom

AT 2023tpr - Type ulens? Transient

AT 2023tpr (Monoceros)
AT 2023tpr (Type: ulens?) discovered 2023-09-23.226 UT by Gaia
Alias: Gaia23cpg
Alerting Magnitude 14.94 (G-Gaia Filter)
vs Historic Magnitude 15.13 +/- 0.06 SD
Bright blue gal.plane source candidate microlensing event
or Be-type outburst
( TNS 2023tpr | Gaia23cpg )

AT 2023tpr - 2024-10-25 (T+398.0d)
Image below (2024-10-25.203) was taken 398.0 days after discovery of 2023tpr
Position of earlier transient (distinct) is shown by white cross-hairs
Measured magntitude +14.75 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 04:59 UT (#1259216-19)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023tpr on Transients 2023 Page >>

AT 2023ttx - CV Type Transient

AT 2023ttx (Canis Major)
AT 2023ttx (Type: CV) discovered 2023-09-27.164 UT by Gaia
Alias: Gaia23cqr
Discovery Magnitude 13.71 (G-Gaia Filter) vs Historic Magnitude 14.06 +/- 0.10
~0.3 mag rise in blue Gaia source
( TNS 2023ttx | Gaia23cqr )

AT 2023ttx - 2024-10-25 (T+394.0d)
Image below (2024-10-25.174) was taken 394.0 days after discovery of 2023ttx
Position of reported transient (relatively distinct, faded) is shown by white cross-hairs
Measured Magnitude +13.76 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 04:14 UT (#1259200-04)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023ttx on Transients 2023 Page >>

AT 2023uzs - CV Type Transient

AT 2023uzs (Camelopardalis)
AT 2023uzs (Type: CV) discovered 2023-10-13.342 UT by Gaia
Alias: Gaia23cwo
Alerting Magnitude 16.31 (G-Gaia Filter)
vs Historic Magnitude 18.32 +/- 0.91 SD
Outburst in Gaia source previous outbursts in lightcurve
( TNS 2023uzs | Gaia23cwo )

AT 2023uzs - 2024-10-25 (T+377.7d)
Image below (2024-10-25.013) was taken 377.7 days after discovery of 2023uzs
Position of earlier transient (very faint, faded) is shown by white cross-hairs
Measured Magnitude +17.63 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 00:21 UT (#1259104-08)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023uzs on Transients 2023 Page >>

AT 2023wfq - Type YSO Transient

AT 2023wfq (Orion)
AT 2023wfq (Type: YSO) discovered 2023-10-26.387 UT by Gaia
Alias: Gaia23czv
Alerting Magnitude 14.59 (G-Gaia Filter)
vs Historic Magnitude 15.62 +/- 0.34 SD
Brightening in known YSO
( TNS 2023wfq | Gaia23czv )

AT 2023wfq - 2024-10-25 (T+364.6d)
Image below (2024-10-25.028) was taken 364.6 days after discovery of 2023wfq
Position of earlier transient (faint) is shown by white cross-hairs
Measured Magnitude +15.53 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 00:44 UT (#1259115-16)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023wfq on Transients 2023 Page >>

AT 2023aaui - CV Type Transient (non-detection)

AT 2023aaui (Eridanus)
AT 2023aaui (Type: CV) discovered 2023-12-22.854 UT by ATLAS
Alias: ATLAS23xus
Discovery Magnitude 15.58 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 18.86
( TNS 2023aaui )

AT 2023aaui - 2024-10-25 (T+307.2d)
Image below (2024-10-25.065) was taken 307.2 days after discovery of 2023aaui
Position of earlier transient (faded & no longer visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.6 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 01:42 UT (#1259139-43)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023aaui on Transients 2023 Page >>

AT 2024eoh - Transient (non-detection)

AT 2024eoh (Monoceros)
AT 2024eoh (Type: unk) discovered 2024-03-17.357 UT by ATLAS
Alias: ATLAS24ecq
Discovery Magnitude 16.92 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.29
( TNS 2024eoh )

AT 2024eoh - 2024-10-25 (T+221.8d)
Image below (2024-10-25.147) was taken 221.8 days after discovery of 2024eoh
Position of earlier transient (faded & no longer visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +19.0 (Clear Filter)
Bright star in FOV is HD 50529 (alias SAO 114577, catalog mag +8.24)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 03:40 UT (#1259186-90)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024eoh on Transients 2024 Page >>

AT 2024fxd - Type Nova Transient

AT 2024fxd (Virgo)
AT 2024fxd (Type: Nova) discovered 2024-03-28.947 UT by MASTER
Alias: MASTER OT J113826.69+032205.1
Discovery Magnitude 12.9 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 19.6
( TNS 2024fxd )

AT 2024fxd - 2024-10-25 (T+210.3d)
Image below (2024-10-25.224) was taken 210.3 days after discovery of 2024fxd
Position of earlier transient (fading) is shown by white cross-hairs
Measured Magnitude +15.52 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 05:29 UT (#1259227-30)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024fxd on Transients 2024 Page >>

AT 2024sje - Type YSO Transient (near B33)

AT 2024sje (Orion)
AT 2024sje (Type: YSO) discovered 2024-08-08.477 UT by Gaia
Alias: Gaia24cgb
Alerting Magnitude 16.61 (G-Gaia Filter)
vs Historic Magnitude 15.20 +/- 0.24 SD
Dimming in known YSO
( TNS 2024sje | Gaia24cgb )

AT 2024sje (T+77.7d), near Horsehead Nebula, B33

Annotated CCD Image (50% size, linear scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 04:32 UT (#1259207-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2024sje - 2024-10-25 (T+77.7d)
Image below (2024-10-25.183) was taken 77.7 days after discovery of 2024sje
Position of earlier transient (distinct, normal state) is shown by white cross-hairs
Measured Magnitude +15.37 (Clear Filter)
Transient likely returned to normal state (15.1-15.6 Gaia)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 04:32 UT (#1259207-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024sje on Transients 2024 Page >>

AT 2024vhz - Type CV? Transient (non-detection)

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 - 2024-10-24 (T+42.2d)
Image below (2024-10-24.892) was taken 42.2 days after discovery of 2024vhz
Position of reported transient (faded & no longer visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.4 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-24 21:33 UT (#1259056-60)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2024vhz - Earlier Image, 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 2024vsz - Type CV? Transient (non-detection)

AT 2024vsz (Pisces)
AT 2024vsz (Type: CV?) discovered 2024-09-19.718 UT by XOSS
Alias: KATS24S004, TCP J01211839+3158300
Discovery Magnitude 15.63 (Clear Filter)
Object not visible on DSS2 or PanSTARRS DR1 images (Aladin)
( TNS 2024vsz )

AT 2024vsz - 2024-10-24 (T+35.3d)
Image below (2024-10-24.985) was taken 35.3 days after discovery of 2024vsz
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +19.5 (Clear Filter)

Annotated CCD Image (125% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-24 23:44 UT (#1259091-94)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024vsz on Transients 2024 Page >>

AT 2024wpc - Type AGN Transient in PGC 1875557

AT 2024wpc (Bootes)
In 2MASX J14222018+2942550 / PGC 1875557
AT 2024wpc (Type: AGN) discovered 2024-09-22.614 UT by Gaia
Alias: Gaia24cps
Alerting Magnitude 16.20 (G-Gaia Filter)
vs Historic Magnitude 16.61 +/- 0.12 SD
0.3 mag brightening in Seyfert1 galaxy 2MASX J14222018+2942550
( TNS 2024wpc | Gaia24cps )

AT 2024wpc - 2024-10-24 (T+32.2d)
Image below (2024-10-24.784) was taken 32.2 days after discovery of 2024wpc
Position of reported transient (faint, fading) is shown by white cross-hairs
Measured Magnitude +15.05 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-24 18:55 UT (#1259013-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024wpc on Transients 2024 Page >>

AT 2024xhn - Type Nova? Transient

AT 2024xhn (Lynx)
AT 2024xhn (Type: Nova?) discovered 2024-10-04.678 UT by MASTER
Alias: MASTER OT J065054.42+593625.5
Discovery Magnitude 13.6 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 20.4
( TNS 2024xhn )

Robin Leadbeater reports that a spectrum of object: AT 2024xhn (= GOTO065054.49+593624.51)
shows a blue continuum with H alpha faint or absent and other Balmer lines at
zero redshift in absorption, typical of a dwarf nova outburst (classification report)

AT 2024xhn - 2024-10-25 (T+20.4d)
Image below (2024-10-25.127) was taken 20.4 days after discovery of 2024xhn
Position of reported transient (distinct, brightening slightly ?) is shown by white cross-hairs
Measured Magnitude +14.08 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 03:12 UT (#1259178-82)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024xhn on Transients 2024 Page >>

AT 2024xvy - Type Nova Transient (non-detection)

AT 2024xvy (Aries)
AT 2024xvy (Type: Nova) discovered 2024-10-10.101 UT by MASTER
Alias: MASTER OT J014709.61+171519.8
Discovery Magnitude 15.9 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 19.6
Dwarf nova outburst (blue, MASTER LC, mlim without OT 20.5)
with amplitude > 4.6 mag
( TNS 2024xvy )

AT 2024xvy - 2024-10-22 (T+12.0d)
Image below (2024-10-22.127) was taken 12.0 days after discovery of 2024xvy
Position of reported transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +19.2 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 90s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 02:32 UT (#1259164-68)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024xvy on Transients 2024 Page >>

AT 2024ycs - Type CV? Transient (non-detection)

AT 2024ycs (Perseus)
AT 2024ycs (Type: CV?) discovered 2024-10-13.291 UT by GEOTS
Alias: GEOTS-Balaji-2024-021, TCP J04201408+3647129
Discovery Magnitude 16.3 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 18.0
( TNS 2024ycs )

AT 2024ycs - 2024-10-25 (T+11.8d)
Image below (2024-10-25.113) was taken 11.8 days after discovery of 2024ycs
Position of reported transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +19.4 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 02:51 UT (#1259171-75)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024ycs on Transients 2024 Page >>

AT 2024yej - Type CV? Transient

AT 2024yej (Aquila)
AT 2024yej (Type: CV?) discovered 2024-10-14.649 UT by XOSS
Alias: KATS24T007, TCP J19533168+0600418
Discovery Magnitude 15.23 (Clear Filter)
CV candidate classified by XOSS
( TNS 2024yej )

AT 2024yej - 2024-10-24 (T+10.2d)
Image below (2024-10-24.863) was taken 10.2 days after discovery of 2024yej
Position of reported transient (very faint) is shown by white cross-hairs
Estimated Magnitude +16.5 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-24 20:52 UT (#1259046-50)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024yej on Transients 2024 Page >>

AT 2024yho - Transient (non-detection)

AT 2024yho (Hydra)
AT 2024yho (Type: unk) discovered 2024-10-11.771 UT by Gaia
Alias: Gaia24cyi
Discovery Magnitude 16.35 (G-Gaia Filter)
Apparently hostless transient
( TNS 2024yho | Gaia24cyi )

AT 2024yho - 2024-10-25 (T+13.4d)
Image below (2024-10-25.215) was taken 13.4 days after discovery of 2024yho
Position of reported transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +16.9 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 05:14 UT (#1259222-24)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024yho on Transients 2024 Page >>

LEDA 2078778 - Galaxy with Type Ia Supernova 2024xqe

LEDA 2078778 with SN 2024xqe (Triangulum)
SN 2024xqe (Type: Ia) discovered 2024-10-09.466 UT by PS1
Alias: PS24jlp, ZTF24ablssfw
Discovery Magnitude 19.93 (g-P1 Filter)
Type: SN Ia, Redshift: z=0.034
( TNS 2024xqe )

LEDA 2078778 - Galaxy with SN 2024xqe (T+15.5d)

Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 00:01 UT (#1259097-101)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 2078778 with SN 2024xqe - 2024-10-24 (T+15.5d)
Image below (2024-10-24.996) was taken 15.5 days after discovery of 2024xqe
Position of reported supernova (distinct) is shown by white cross-hairs
Measured Magnitude +15.43 (Clear Filter)

Annotated CCD Image (175% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 00:01 UT (#1259097-101)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024xqe (in LEDA 2078778) on Supernova 2024 Page >>

M31 - Spiral Galaxy with Transient AT 2024ynw (non-detection)

M31 with AT 2024ynw (Andromeda)
AT 2024ynw (Type: unk) discovered 2024-10-20.536 UT by XOSS
Alias: PSP24Y, PNV J00430343+4118310
Discovery Magnitude 17.72 (Clear Filter)
( TNS 2024ynw )

M31 - Spiral Galaxy with AT 2024ynw (T+4.4d)
Cam2 Reference Image
Position of AT 2023hrm (not visible in this exposure) is shown by blue circle
Limits of M31 Spiral Galaxy is shown by white ellipse (bottom left-hand corner)

Annotated CMOS Image (16% size)
(10s exposure, 1x1 binning)
2024-10-24 23:15 UT (00:15 BST)
TS 80mm APO, ZWO ASI178MC

M31 -Spiral Galaxy with AT 2024ynw (T+4.4d)

Annotated CCD Image (70% size, square root scale)
180s exposure (single frame), 3x3 binning, Clear Filter
2024-10-24 23:19 UT (#1259086)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

M31 with AT 2024ynw - 2024-10-24 (T+4.4d)
Image below (2024-10-24.972) was taken 4.4 days after discovery of 2024ynw
Position of reported transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +16.8 (Clear Filter)

Annotated CCD Image (125% size, log scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2024-10-24 23:19 UT (#1259086)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

NGC 1275 - Spiral Galaxy with Type IIP Supernova 2024xav

NGC 1275 with SN 2024xav (Perseus)
SN 2024xav (Type: IIP) discovered 2024-09-30.036 UT by GOTO
Alias: GOTO24gor, ATLAS24otv
Discovery Magnitude 18.63 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 19.2
( TNS 2024xav )

NGC 1275 with SN 2024xav - 2024-10-25 (T+25.1d)
Image below (2024-10-25.087) was taken 25.1 days after discovery of 2024xav
Position of reported transient (faint) is shown by white cross-hairs
Estimated Magnitude +16.3 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 02:14 UT (#1259157-61)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024xav (in NGC 1275) on Supernovae 2024 Page >>

NGC 1383 - Spiral Galaxy

NGC 1383 (Eridanus)
Member of NGC 1407 Galaxy Group,
Ast. Now Challenge, Dec 2019
[ Deep Sky Challanges (Ast.Now) ]

Altitude: 14.5°, Airmass: 3.973

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 01:21 UT (#1259132-36)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1383 - Earlier Image
Altitude 14.5°, Airmass 3.96
Poor quality image (stars trailed, single frame, poor S/N)

Annotated CCD Image (100% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2024-10-13 02:17 UT (#1254030)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2196 - Spiral Galaxy (UGCA 121)

NGC 2196 (Lepus)
Alias: UGCA 121, catalog mag +12.0
[ UGCA Galaxies ]

Annotated CCD Image (50% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 04:00 UT (#1259193-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2196 / UGCA 121 - Detail

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-25 04:00 UT (#1259193-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 143 - Dwarf Irregular Galaxy (Local Group Galaxy, Wolf-Lundmark - Melotte, UGCA 444)

PGC 143 / Cetus Dwarf (Cetus)
Alias: WLM, UGCA 444

Relatively poor quality image (uneven background)
Altitude: 17.5°, Airmass: 3.32
Target to be rescheduled for a later date
following clean up of dust mottes on C Filter

Annotated CCD Image (50% size, square root scale)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-24 21:58 UT (#1259068-69)
12" LX200R (at f/9.7) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 143 / Cetus Dwarf - Earlier Image (Nov 2011)

CCD Image (50% size)
7 x 90 sec exposure (average combine), 3x3 binning, C Filter
2012-11-02 21:30 h UT (#520187-93)
12" LX200R (at f/9.7) + ST-10XME

Negative CCD Image (50% size)
Image details as above

SN 2024xqt - Type Ia Supernova

SN 2024xqt (Hercules)
SN 2024xqt (Type: Ia) discovered 2024-10-10.117 UT by ZTF
Alias: ZTF24abluyoy
Discovery Magnitude 19.58 (g-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 19.88
( TNS 2024xqt )

SN 2024xqt - 2024-10-24 (T+14.7d)
Image below (2024-10-24.844) was taken 14.7 days after discovery of 2024xqt
Position of reported supernova (distinct) is shown by white cross-hairs
Estimated Magnitude +15.37 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-24 20:24 UT (#1259027-31)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024xqt on Supernovae 2024 Page >>

This Web Page:	Images - Session 1259 (2024-10-24)
Last Updated :	2024-10-26
Site Owner :	David Richards
Home Page :	David's Astronomy Web Site

David's Astronomy Pages Images - Session 1259 (2024-10-24)