David's Astronomy - Images 2024-10-17 (S1256)

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Images - Session 1256 (2024-10-17)

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Objects Session Notes

Nova Vul 2024 - Nova (V615 Vul)

AT2022sfe - Transient (Possible Nova)

AT 2022acqx - Transient

AT 2023cuz - Type YSO Transient, UY Aur

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

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

AT 2024gyv - Transient (non-detection)

AT 2024hgj - Transient (non-detection)

AT 2024vla - Type CV? Transient

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

AT 2024wqf - Type AGN Transient (4C 27.50)

AT 2024wxp - CV Type Transient

AT 2024xhn - Type Nova? Transient

AT 2024xpy - Type BL Transient

AT 2024xxb - Type HPM Transient (Wolf 359, CN Leo)

AT 2024yej - Type CV? Transient

IC 2810 - Spiral Galaxy with Type Ia Supernova 2024jhm (non-detection)

IC 3091 - Spiral Galaxy with Type Ia Supernova 2024jdi

LEDA 1846725 - Galaxy with Type II Supernova 2024iss

M31 - Spiral Galaxy with Transient AT 2024hvb

MCG -1-56-5 - Spiral Galaxy with Type Ia Supernova 2022acxe (non-detection)

Variable Stars (photometric monitoring)

- RX And, Z And, SS Cyg, BL Lac

Nearby Stars (astrometric monitoring)

- 61 Cyg

- Attempted Night Session (8.6 hrs),. Start delayed by cloud

- 12" LX200 + ST-10XME for imaging

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

- Ambient Temperature: 10°C (min)

- CCD Temperature: -10°/-15°C

- Notes from 2024-10-17 >>

-

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 - 2024-10-17 (T+80.0d)
Image below (2024-10-17.876) was taken 80.0 days after discovery of Nova Vul 2024
Positon of Nova (fading) is shown by white cross hairs.
Measured magnitude +15.06 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 30s exposure (average combine), 3x3 binning, Clear Filter
2024-10-17 21:03 UT (#1256005-09)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Vul 2024 - Earlier Image, 2024-09-10 (T+43.0d)
Image below (2024-09-10.867) was taken 43.0 days after discovery of nova
Nova (distinct) is shown by white cross hairs.
Measured magnitude +13.10 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 30s exposure (average combine), 3x3 binning, Clear Filter
2024-09-10 20:49 UT (#1240006-10)
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 >>

AT2022sfe - Transient (Possible Nova)

AT 2022sfe (Cygnus)
AT 2022sfe (Type: Nova) discovered 2022-08-16.190 UT by PGIR
Discovery Magnitude +14.28
[ TNS 2022sfe ]

AT 2022sfe - 2024-10-18 (T+793.8d)
Image below (2024-10-18.035) was taken 793.8 days after discovery of 2022sfe
Positon of earlier transient (no longer visible) is shown by white cross hairs.
Non-Detection Limiting Magnitude +17.0 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 20s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 00:53 UT (#1256095-99)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022sfe - 2022-09-01 (T+15.9d)
Image below (2022-09-01.117) was taken 15.9 days after discovery of 2022sfe
Measured magnitude +14.71 (fading ?)
Brightness of transient (at T+15.9d) seems too dim to be a nova
(unless very distant), suggesting prehaps a CV (dwarf nova type)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 20s exposure (average combine), 3x3 binning, Clear Filter
2022-09-01 02:49 UT (#1034100-04)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022sfe - Reference Image
DSS2 image captured via Aladin.
Position of transient is shown by purple cross-hairs at centre of image
There is no indication of any precursor object at transient position.
The transient (potentially of CV type) is confirmed

DSS2 Colour Inage (from Aladin)

AT 2022sfe - Reference Image
PANSTARRS image captured via Aladin.
Position of transient is shown by purple cross-hairs at centre of image
This is a deeper image than the DSS2 mage shows a potential precursor object
(mag 21) at the transient's coordinates.
Implies a transient shows a mag 6 brightning (not enough to be a nova ?)

DSS2 Colour Inage (from Aladin)

Images of AT 2022sfe on Transients 2022 Page >>

AT 2022acqx - Transient

AT 2022acqx (Pegasus)
AT 2022acqx (Type: unk) discovered 2022-12-10.501 UT by MASTER
Alias: MASTER OT J221424.76+223053.4
Discovery Magnitude 15.1 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 18.6
[ TNS 2022acqx ]

AT 2022acqx - 2024-10-18 (T+677.6d)
Image below (2024-10-18.058) was taken 677.6 days after discovery of 2022acqx
Positon of earlier transient (distinct) is shown by white cross hairs.
Measured magnitude +14.61 (Clear Filter)
Light artefact / dust motte along upper left edge

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 01:33 UT (#1256123-27)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022acqx on Transients 2022 Page >>

AT 2023cuz - Type YSO Transient, UY Aur

AT 2023cuz / UY Aur (Auriga)
AT 2023cuz (Type: YSO) discovered 2023-03-07.629 UT by Gaia
Alias: Gaia23bar, UY Aur
Discovery Magnitude 13.48 (G-Gaia Filter)
vs Historic magnitude 11.80 +/- 0.21 SD
Known YSO UY Aur fades by ~1.5 mag
( TNS 2023cuz | Gaia23bar)

AT 2023cuz - 2024-10-18 (T+590.5d)
Image below (2024-10-18.131) was taken 590.5 days after discovery of 2023cuz
Position of reported transient, UY Aur (distinct, around historic level ?) is shown by white cross-hairs
Measured magnitude +12.46 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 03:17 UT (#1256155-59)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023cuz (UY Aur) on Transients 2023 Page >>

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

AT 2023rey (Auriga)
AT 2023rey (Type: CV) discovered 2023-09-02.401 UT by GEOTS
Alias: GEOTS-Balaji-2023-016, TCP J06145059+5038257, Gaia23ciy
Discovery Magnitude 15.0 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 18.0
Apparently blue hostless transient near the Galactic plane known
as GEOTS-Balaji-2023-016/ATLAS23sfp
( TNS 2023rey | Gaia23ciy )

AT 2023rey - 2024-10-18 (T+411.7d)
Image below (2024-10-18.099) was taken 411.7 days after discovery of 2023rey
Position of earlier 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 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 02:32 UT (#1256139-43)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rey on Transients 2023 Page >>

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

AT 2024fjg (Equuleus)
AT 2024fjg (Type: CV) discovered 2024-04-02.046 UT by MASTER
Alias: MASTER OT J210650.56+110249.8
Discovery Magnitude 15.0 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 18.0
( TNS 2024fjg )

AT 2024fjg - 2024-10-17 (T+198.9d)
Image below (2024-10-17.937) was taken 198.9 days after discovery of 2024fjg
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.2 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2024-10-17 22:32 UT (#1256033-37)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024fjg on Transients 2024 Page >>

AT 2024gyv - Transient (non-detection)

AT 2024gyv (Orion)
AT 2024gyv (Type: unk) discovered 2024-04-20.234 UT by ATLAS
Alias: ATLAS24gej
Discovery Magnitude 16.38 (orange-ATLAS Filter)
( TNS 2024gyv )

AT 2024gyv - 2024-10-18 (T+180.9d)
Image below (2024-10-18.085) was taken 180.9 days after discovery of 2024gyv
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)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 02:10 UT (#1256132-36)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024gyv on Transients 2024 Page >>

AT 2024hgj - Transient (non-detection)

AT 2024hgj (Gemini)
AT 2024hgj (Type: unk) discovered 2024-04-25.326 UT by ATLAS
Alias: ATLAS24ghe
Discovery Magnitude 16.88 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 18.69
( TNS 2024hgj )

AT 2024hgj - 2024-10-18 (T+175.8d)
Image below (2024-10-18.148) was taken 175.8 days after discovery of 2024hgj
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.5 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 03:40 UT (#1256163-66)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024hgj on Transients 2024 Page >>

AT 2024vla - Type CV? Transient

AT 2024vla (Aquila)
AT 2024vla (Type: CV?) discovered 2024-09-15.712 UT by XOSS
Alias: KATS24R013, TCP J19553738+1541298
Discovery Magnitude 16.52 (Clear Filter)
No object visible of DSS2 Colour Image (Aladin)
( TNS 2024vla )

AT 2024vla - 2024-10-17 (T+32.2d)
Image below (2024-10-17.922) was taken 32.2 days after discovery of 2024vla
Position of earlier transient (not visible) is shown by white cross-hairs

Annotated CCD Image (150% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-17 22:16 UT (#1256026-30)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2024vla - Earlier Image 2024-09-18 (T+3.2d)
Image below (2024-09-18.898) was taken 3.2 days after discovery of 2024vla
Position of reported transient (faint) is shown by white cross-hairs
Unable to Plate Solve & Derive Photometry
Estimated Magnitude +16.5 (Clear Filter)

Annotated CCD Image (150% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-18 21:41 UT (#1247053-57)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024vla on Transients 2024 Page >>

AT 2024vlc - Type CV? Transient (Non-Detection)

AT 2024vlc (Perseus)
AT 2024vlc (Type: CV?) discovered 2024-09-15.844 UT by XOSS
Alias: KATS24R015, TCP J03152223+4432053, Gaia24cmo
Discovery Magnitude 16.72 (Clear Filter)
Close to very faint source in DSS2 Colour Image (Aladin)
that equates with WISEA J031522.21+443203.6

Apparently hostless transient (Gaia)
Gaia, 2024-09-16 04:33, mag 17.79
Gaia, 2024-09-16 06:19, mag 17.84
( TNS 2024vlc | Gaia24cmo )

AT 2024vlc - 2024-10-18 (T+32.2d)
Image below (2024-10-18.019) was taken 32.2 days after discovery of 2024vlc
Position of reported 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)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 00:36 UT (#1256088-92)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2024vlc - Earlier Image 2024-09-19 (T+3.3d)
Image below (2024-09-19.103) was taken 3.3 days after discovery of 2024vlc
Position of reported transient (faint) is shown by white cross-hairs
Measured Magnitude +16.30 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-09-19 02:37 UT (#1247074-78)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024vlc on Transients 2024 Page >>

AT 2024wqf - Type AGN Transient (4C 27.50)

AT 2024wqf (Pegasus)
AT 2024wqf (Type: AGN) discovered 2024-09-24.205 UT by MASTER
Alias: MASTER OT J232159.82+273246.9, 4C 27.50
Discovery Magnitude 13.7 (Clear Filter)
( TNS 2024wqf | 4C 27.50 (Simbad) )
[ AGN ]

AT 2024wqf - 2024-10-17 (T+23.8d)
Image below (2024-10-17.994) was taken 23.8 days after discovery of 2024wqf
Position of reported transient (fading) is shown by white cross-hairs
Measured Magnitude +15.37 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 00:00 UT (#1256073-77)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024wqf on Transients 2024 Page >>

AT 2024wxp - CV Type Transient

AT 2024wxp (Gemini)
AT 2024wxp (Type: CV) discovered 2024-09-26.679 UT by Gaia
Alias: Gaia24cru
Discovery Magnitude 15.75 (G-Gaia Filter)
vs Historic Magnitude 16.09 +/- 0.02 SD
( TNS 2024wxp | Gaia24cru )

AT 2024wxp - 2024-10-18 (T+21.5d)
Image below (2024-10-18.160) was taken 21.5 days after discovery of 2024wxp
Position of reported transient (faint, not totally distinguishable) is shown by white cross-hairs
Measured Magnitude +15.33 (Clear Filter)

Annotated CCD Image (175% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 03:56 UT (#1256169-71)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024wxp 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 - 2024-10-18 (T+13.4d)
Image below (2024-10-18.115) was taken 13.4 days after discovery of 2024xhn
Position of reported transient (distinct, fading) is shown by white cross-hairs
Measured Magnitude +14.31 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 02:54 UT (#1256147-51)
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 2024xpy - Type BL Transient

AT 2024xpy (Hercules)
AT 2024xpy (Type: BL) discovered 2024-10-04.838 UT by Gaia
Alias: Gaia24cvy
Discovery Magnitude 16.17 (G-Gaia Filter)
vs Historic Magnitude 17.28 +/- 0.29 SD
Brightening in known BL Lac
BL Lac type object 2FGL J1844.3+1548
( TNS 2024xpy | Gaia24cvy | Simbad 2FGL J1844.3+1548 )

AT 2024xpy - 2024-10-17 (T+13.1d)
Image below (2024-10-17.890) was taken 13.1 days after discovery of 2024xpy
Position of reported transient (faint, fading) is shown by white cross-hairs
Measured Magnitude +16.29 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-17 21:27 UT (#1256012-14)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024xpy on Transients 2024 Page >>

AT 2024xxb - Type HPM Transient (Wolf 359, CN Leo)

AT 2024xxb (Leo)
AT 2024xxb (Type: HPM) discovered 2024-10-10.531 UT by ALeRCE
Alias: ZTF24ablzrea, Wolf 359
Discovery Magnitude 12.34 (r-ZTF Filter)
Potential host galaxy: WiggleZ S11J105623334+07003859 Host redshift: 0.57314
Remarks: SN candidate classified using ALeRCE's stamp classifier
(Carrasco-Davis et al. 2021) and the public ZTF stream.
Discovery image and light curve in http://alerce.online/object/ZTF24ablzrea

( TNS 2024xxb )

AT 2024xxb - 2024-10-18 (T+7.7d)
Alias : Wolf 359 (CN Leo)
HPM Transient and Wolf 359 alias are inconsistent with the
discovery report's assertion that this transient is a SN Candidate

Annotated CCD Image (50% size, linear scale)
3 x 90s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 04:31 UT (#1256184-86)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Wolf 359 / CN Leo - Earlier Image, Feb 2024
Measured Magnitude +11.58 (Clear Filter)

Annotated CCD Image (35% size, linear scale)
15 x 20s exposure (average combine), 2x2 binning, Clear Filter
2024-02-22 23:33 UT (#1189138-52)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Wolf 359 / CN Leo - Earlier Image, Feb 2006
3rd closest star system to the Sun,
7.8 light years distance

Annotated CCD Image
3 x 30 sec exposure (median combine), 2x2 binning, C Filter
2006-12-02 07:03h UT (#156081-83)

AT 2024xxb - 2024-10-18 (T+7.7d)
Image below (2024-10-18.186) was taken 7.7 days after discovery of 2024xxb
Position of reported transient (distnct) is shown by white cross-hairs
Measured Magnitude +11.59 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
3 x 90s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 04:31 UT (#1256184-86)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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 - 2024-10-17 (T+3.3d)
Image below (2024-10-17.906) was taken 3.3 days after discovery of 2024yej
Position of reported transient (faint) is shown by white cross-hairs
Measured Magnitude +16.29 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-17 21:53 UT (#1256019-23)
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 >>

IC 2810 - Spiral Galaxy with Type Ia Supernova 2024jhm (non-detection)

IC 2810 with SN 2024jhm (Leo)
SN 2024jhm (Type: Ia) discovered 2024-05-26.292 UT by ATLAS
Alias: ATLAS24hrt, ZTF24aaqasqh
Discovery Magnitude 18.25 (orange-ATLAS Filter)
Type Ia SN with redshift z= 0.04
( TNS 2024jhm )

IC 2810 - Spiral Galaxy with SN 2024jhm (T+144.9d)

Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 04:52 UT (#1256193-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 2810 with SN 2024jhm (T+144.9d)
Image below (2024-10-18.197) was taken 144.9 days after discovery of 2024jhm
Position of reported supernova (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +17.6 (Clear Filter)
Poor quality image (due to bright moonlit sky background)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 04:52 UT (#1256193-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024jhm (in IC 2810) on Supernovae 2024 Page >>

IC 3091 - Spiral Galaxy with Type Ia Supernova 2024jdi

IC 3091 with SN 2024jdi (Coma Berenices)
SN 2024jdi (Type: Ia) discovered 2024-05-20.237 UT by ATLAS
Alias: ZTF24aaonrzo
Discovery magnitude 18.45 (r-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 19.63
( TNS 2024jdi)

IC 3091 with SN 2024jdi - 2024-10-18 (T+151.0d)
Image below (2024-10-18.215) was taken 151.0 days after discovery of 2024jdi
Position of reported transient (faded & no longer visible) is shown by white cross-hairs
Poor quality image (due to bright & uneven moonlit sky background)

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 05:16 UT (#1256203-06)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 3091 with SN 2024jdi - Earlier Image, 2024-05-29 (T+9.7d)
Image below (2024-05-29.972) was taken 9.7 days after discovery of 2024jdi
Position of reported transient (faint, but distinct) is shown by white cross-hairs
Measured Magnitude +15.95 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-05-29 23:30 UT (#1221007-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024jdi (in IC 3091) on Supernova 2024 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 - 2024-10-18 (T+158.3d)
Image below (2024-10-18.170) was taken 158.3 days after discovery of 2024iss
Position of reported SN (faint, likely fading) is indicated by white cross-hairs.
Measured Magnitude +16.30 (Clear Filter)
Poor quality image (bright uneven sky background, moonlit sky)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-18 04:14 UT (#1256175-79)
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 Transient AT 2024hvb (non-detection)

M31 with AT 2024hvb (Andromeda)
AT 2024hvb (Type: unk) discovered 2024-04-28.047 UT by Kamil Hornoch et al.
Alias: Nova M31 2024-04b?, ZTF24aalngiq, PNV J00430814+4110243
Discovery Mag 17.79 (r-ZTF Filter)
Type unknown
( Rochester Supernova site | TNS 2024hvb | Discovery Image )

M31 with AT 2024hvb
Image taking with secondary scope showing position of reported transient (blue circle)
relative to outline of M31 galaxy (white ellipse) & M31 Galaxy centre (labelled)

CMOS Image (16% size)
10s exposure, 1x1 binning
2024-10-17 23:07 UT (2024-10-18 00:07 LT), Cam2_Ref
TS 80mm APO, ZWO ASI178MC & PHD2

M31 with AT 2024hvb (T+172.9d)
Position of earlier transient (not visible) is shown by white circle

Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-17 23:19 UT (#1256056-60)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

M31 with AT 2024hvb - 2024-10-17 (T+172.9d)
Image below (2024-10-17.965) was taken 172.9 days after discovery of 2024hvb
Position of reported transient (not visible, likely faded) is shown by white cross-hairs

Annotated CCD Image (125% size, linear scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-17 23:19 UT (#1256056-60)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

MCG -1-56-5 - Spiral Galaxy with Type Ia Supernova 2022acxe (non-detection)

MCG -1-56-5 with SN 2022acxe (Aquarius)
SN 2022acxe (Type: Ia) discovered 2022-12-15.214 UT by ATLAS
Alias: ATLAS22bnrh, ZTF22abywkap, MASTER OT J221848.22-032921.2
Discovery Magnitude 18.19 (cyan-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 18.31
( TNS 2022acxe )

MCG -1-56-5 with SN 2022acxe - 2024-10-17 (T+672.7d)
Image below (2024-10-17.949) was taken 672.7 days after discovery of 2022acxe
Position of 2022 SN (not visible / very probably faded) is indicated by white cross-hairs.
Non-Detection Limiting Magnitude +18.4 (Clear Filter)
Poor quality image (bright moonlit sky background)
but better than earlier T+657.8d image.

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-17 22:55 UT (#1256049-53)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG -1-56-5 with SN 2022acxe - Earlier Image, 2024-10-03 (T+657.8d)
Image below (2024-10-03.013) was taken 657.8 days after discovery of 2022acxe
Position of 2022 SN (not visible / very probably faded) is indicated by white cross-hairs.
Non-Detection Limiting Magnitude +17.8 (Clear Filter)
Poor quality image (cloud/ single frame)

Annotated CCD Image (125% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2024-10-03 00:19 UT (#1250125)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022acxe (in MCG -1-56-5) on Supernova 2022 Page >>

This Web Page:	Images - Session 1256 (2024-10-17)
Last Updated :	2024-10-22
Site Owner :	David Richards
Home Page :	David's Astronomy Web Site

David's Astronomy Pages Images - Session 1256 (2024-10-17)