David's Astronomy - Images 2023-09-12 (S01143)

David's Astronomy Pages
Images - Session 1143 (2023-09-12)

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Objects Session Notes

C/2020 V2 (ZTF) - Comet

C/2022 A2 (PANSTARRS) - Comet

C/2023 E1 (ATLAS) - Comet

AT 2022vly - CV Type Transient

AT 2023rao - Transient

AT 2023rfq - Type YSO? Transient

AT 2023rgi - Type ulens? Transient

AT 2023rsr - CV Type Transient (near NGC 947)

AT 2023rud - Transient (Attempt)

IC 458 - Elliptical Galaxy with Type Ia Supernova 2023rgp

LEDA 1488100 - Galaxy with Type Ia Supernova 2023olz

NGC 957 - Open Cluster

NGC 1086 - Spiral Galaxy with Type II Supernova 2023rix

NGC 1461 - Spiral Galaxy with Unconfirmed Transient AT 2023och (Unconfirmed)

NGC 2326 - Spiral Galaxy with Type II Supernova 2023pgb

NGC 5631 - Spiral Galaxy with Type Ia Supernova 2022aaiq

NGC 5894 - Spiral Galaxy with Type II Supernova 2022pgf

UGC 4132 - Spiral Galaxy with Type Ia Supernova 2023fqv

UGC 5276 - Spiral Galaxy with Type Ia Supernova 2023cxk

UGC 11858 - Spiral Galaxy with Type Ia Supernova 2023rjj

UGC 12639 - Spiral Galaxy with Type II Supernova 2023jri

Variable Stars (photometric monitoring)

- RX And, SS Cyg, BL Lac



Nearby Stars (astrometric monitoring)

- Barnards Star

-



- All-night session (7.7 hrs) with no interuptions

- 12" LX200 + ST-10XME for imaging

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

- Ambient Temperature: 3.5°C (min)

- CCD Temperature:  -15°/-20° C

- Notes from 2023-09-12 >>

- Aurora Images/Video from 2023-09-12 >>

-

C/2020 V2 (ZTF) - Comet

C/2020 V2 (ZTF) - 2023-09-13 (passing through Cetus) Sun Distance 2.66 AU (receeding) Earth Distance 1.86 AU (278.3 million km)		C/2020 V2 (ZTF) - 2023-09-13 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -81.42 arcsec/hr, Dec -105.49 arcsec/hr)

Annotated CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-13 02:24 UT (#1143161-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, square root scale, cropped) 15 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-13 02:32 UT (#1143161-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of C/2020 V2 (ZTF) on Comets 2022 Page >> Images of C/2020 V2 (ZTF) on Comets 2023 Page >>

C/2020 V2 (ZTF) - False Colour
Inverse Spectrum Images

C/2020 V2 (ZTF) - 2023-09-13

Annotated false-colour CCD Image (70% size, square root scale)
15 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 02:32 UT (#1143161-75)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

C/2022 A2 (PANSTARRS) - Comet

C/2022 A2 (PANSTARRS) - 2023-09-12 (passing through Pegasus) Sun Distance 3.07 AU (receeding) Earth Distance 2.08 AU (311.7 million km)		C/2022 A2 (PANSTARRS) - 2023-09-12 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -62.43 arcsec/hr, Dec -72.67 arcsec/hr)

Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-12 23:51 UT (#1143099-101) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, square root scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-12 23:52 UT (#1143099-103) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of C/2022 A2 (PANSTARRS) on Comets 2023 Page >>

C/2023 E1 (ATLAS) - Comet

C/2023 E1 (ATLAS) - 2023-09-12 (passing through Aquarius) Sun Distance 1.55 AU (receeding) Earth Distance 0.56 AU (84.4 million km)		C/2023 E1 (ATLAS) 2023-09-12, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 28.02 arcsec/hr, Dec -156.07 arcsec/hr)

Annotated CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, Clear Filter 2023-09-12 22:33 UT (#1143060) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, Clear Filter 2023-09-12 22:36 UT (#1143056-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of C/2023 E1 (ATLAS) on Comets 2023 Page >>

AT 2022vly - CV Type Transient

AT 2022vly (Sagittarius)
AT 2022vly (Type: CV) discovered 2022-09-16.057 UT by MASTER
Alias: MASTER OT J191338.18-182434.8
Discovery Mag +10.5 (Clear Filter)
( TNS 2022vly)

AT 2022vly - 2023-09-12 (T+361.8d)
Image below (2023-09-12.867) was taken 361.8 days after discovery of 2022vly
Position of earlier transient is shown by white cross-hairs
Measured magnitude +13.31

Annotated CCD Image (100% size, linear scale, cropped)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-09-12 20:51 UT (#1143023-27)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022vly on Transients 2022 Page >>

AT 2023rao - Transient

AT 2023rao (Pegasus)
AT 2023rao (Type: unk) discovered 2023-08-16.381 UT by Gaia
Alias: Gaia23bxu
Alerting Mag +16.92 (G-Gaia Filter) (vs Historic Magnitude +17.65)
Brightening in Gaia, WISE and UV source
( TNS 2023rao | Gaia23bxu )

AT 2023rao - 2023-09-12 (T+27.6d)
Image below (2023-09-12.951) was taken 27.6 days after discovery of 2023rao
Position of transient is shown by white cross-hairs
Measured magnitude +16.25

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-12 22:57 UT (#1143073-77)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rao on Transients 2023 Page >>

AT 2023rfq - Type YSO? Transient

AT 2023rfq (Cygnus)
AT 2023rfq (Type: YSO?) discovered 2023-08-24.114 UT by Gaia
Alias: Gaia23cbk
Discovery Mag 13.19 (G-Gaia Filter) (vs Historic Mag 13.49)
Brightening in candidate YSO
( TNS 2023rfq | Gaia23cbk )

AT 2023rfq - 2023-09-12 (T+19.8d)
Image below (2023-09-12.875) was taken 19.8 days after discovery of 2023rfq
Position of reported transient (distinct) is shown by white cross-hairs
Measured magnitude ? (unable to insert WCS)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-12 21:07 UT (#1143030-34)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rfq on Transients 2023 Page >>

AT 2023rgi - Type ulens? Transient

AT 2023rgi (Cepheus)
AT 2023rgi (Type: ulens?) discovered 2023-08-27.945 UT by Gaia
Alias: Gaia23ccc
Discovery Mag 10.98 (G-Gaia Filter) (vs Historic Mag 11.25)
Bright gal.plane source candidate microlensing event
or Be-type outburst rises by 0.3 mag
( TNS 2023rgi | Gaia23ccc )

AT 2023rgi - 2023-09-12 (T+16.0d)
Image below (2023-09-12.898) was taken 16.0 days after discovery of 2023rgi
Position of reported transient is shown by white cross-hairs
Measured magnitude ? (unable to insert WCS)

Annotated CCD Image (100% size, linear scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-12 21:36 UT (#1143038-39)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rgi on Transients 2023 Page >>

AT 2023rsr - CV Type Transient (near NGC 947)

AT 2023rsr (Perseus)
AT 2023rsr (Type: CV) discovered 2023-09-04.132 UT by Gaia
Alias: Gaia23cfy
Discovery Mag 11.68 (G-Gaia Filter) (vs historic mag 11.97)
~0.25 mag rise in Be star
( TNS 2023rsr | Gaia23cfy )

AT 2023rsr T+8.9d)
Position of reported transient (distinct) is shown by white circle.
Member of Open Cluster NGC 957

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 00:36 UT (#1143121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2023rsr - 2023-09-13 (T+8.9d)
Image below (2023-09-13.023) was taken 8.9 days after discovery of 2023rsr
Position of reported transient (distinct) is shown by white cross-hairs
Measured magnitude +11.71 (Clear Filter)

Images of AT 2023rsr on Transients 2023 Page >>

AT 2023rud - Transient

AT 2023rud (Cassiopeia)
AT 2023rud (Type: unk) discovered 2023-09-08.188 UT by GEOTS
Alias: GEOTS-Balaji-2023-017, TCP J23572531+5241341
Discovery Mag 16.8 (Clear Filter) (vs earlier non-detection with limiting mag 18.0)
Hostless transient
( TNS 2023rud )

AT 2023rud - 2023-09-12 (T+4.7d)
Image below (2023-09-12.922) was taken 4.7 days after discovery of 2023rud
Position of reported transient (not confirmed) is shown by white circle.
Unclear if faint star-like object near to reported coords
(also seen in DSS2 Ref Image) is the transient object or not
Note: unable to link image or insert WCS

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-12 22:16 UT (#1143049-53)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rud on Transients 2023 Page >>

IC 458 - Elliptical Galaxy with Type Ia Supernova 2023rgp

IC 458 with SN 2023rgp (Lynx)
SN 2023rgp (Type: Ia) discovered 2023-09-04.456 UT by ZTF
Alias: ZTF23abawgqs
Discovery Magnitude 18.17 (g-ZTF Filter)
( TNS 2023rjj )

IC 458 - Elliptical Galaxy
IC 458 (PGC 20306, catalog mag 14.5)
with adjacent galaxies :
NGC 2340 (PGC 20338, catalog mag +12.8),
IC 464 (PGC 20332, catalog mag +14.9), IC 461 (PGC 20319, catalog mag +14.9),
IC 463 (catalog mag +15.0), IC 460 (PGC 20318, catalog mag +15.4),
IC 459 (PGC 20311, catalog mag +16.0), PGC 2361758 (catalog mag +16.4),
PGC 2362131 (catalog mag +17.1)

Annotated CCD Image (70% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 01:26 UT (#1143139-43)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 458 with SN 2023rgp - 2023-09-13 (T+8.6d)
Image below (2023-09-13.053) was taken 8.6 days after discovery of 2023rgp
Position of reported transient (not separately distinguishable) is indicated by white cross-hairs.
Measured Magnitude +13.43 (nucleus + SN)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 01:26 UT (#1143139-43)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023rgp (in IC 458) on Supernova 2023 Page >>

LEDA 1488100 - Galaxy with Type Ia Supernova 2023olz

LEDA 1488100 with SN 2023olz (Taurus)
SN 2023olz (Type: Ia) discovered 2023-08-04.405 UT by ZTF
Alias: ZTF23aavxtvg
Discovery Magnitude 19.02 (g-ZTF Filter)
( TNS 2023olz )

LEDA 1488100 with SN 2023olz - 2023-09-13 (T+39.7d)
Image below (2023-09-13.084) was taken 39.7 days after discovery of 2023olz
Position of reported SN (faint but distinct) is indicated by white cross-hairs.
Measured Magnitude +15.75 (nucleus + SN)

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 02:08 UT (#1143153-56)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023olz (in LEDA 1488100) on Supernova 2023 Page >>

NGC 957 - Open Cluster

NGC 957 (Perseus)
[ Open Star Clusters ]

Annotated CCD Image (50% size, linear scale)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 00:36 UT (#1143121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 957 - Detail

Annotated CCD Image (100% size, linear scale, cropped)
Image details as above

NGC 1086 - Spiral Galaxy with Type II Supernova 2023rix

NGC 1086 with SN 2023rix (Perseus)
SN 2023rix (Type: II) discovered 2023-09-05.365 UT by ALeRCE
Discovery Magnitude 18.21 (g-ZTF Filter)
( TNS 2023rix )

NGC 1086 - Elliptical Galaxy
IC 458 ( PGC 10587, catalog mag 13.6)
with adjacent galaxies :
PGC 2176711 (catalog mag +16.7) &
PGC 213087 (catalog mag +17.1)

Annotated CCD Image (70% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 01:49 UT (#1143146-50)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1086 - Detail

Negative CCD Image (150% size, square root scale, cropped)
Image details as above

NGC 1086 with SN 2023rix - 2023-09-13 (T+7.7d)
Image below (2023-09-13.069) was taken 7.7 days after discovery of 2023rix
Position of reported transient (faint) is indicated by white cross-hairs.
Measured Magnitude ? (not resolveable in SExtractor)

Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 01:49 UT (#1143146-50)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023rix (in NGC 1086) on Supernova 2023 Page >>

NGC 1461 - Spiral Galaxy with Unconfirmed Transient AT 2023och (Unconfirmed)

NGC 1461 with AT 2023och (Eridanus)
AT 2023och (Type: unconf) discovered 2023-07-26.789 UT by Seiichiro Naito
Discovery Magnitude 18.21 (g-ZTF Filter)
( TNS 2023och )

NGC 1461 - Spiral Galaxy

Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 04:02 UT (#1143200-02)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1461 with AT 2023och - 2023-09-13 (T+48.4d)
Image below (2023-09-13.165) was taken 48.4 days after discovery of 2023och
Position of reported transient (not visible) is indicated by white cross-hairs.

Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 04:02 UT (#1143200-02)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023och (in NGC 1461) on Transients 2023 Page >>

NGC 2326 - Spiral Galaxy with Type II Supernova 2023pgb

NGC 2326 with SN 2023pgb (Lynx)
SN 2023pgb (Type: II) discovered 2023-08-12.496 UT by ZTF
Alias: ZTF23aaxdfya
Discovery Magnitude 17.44 ( r-ZTF)
( TNS 2023pgb )

NGC 2326 with SN 2023pgb - 2023-09-13 (T+31.6d)
Image below (2023-09-13.118) was taken 31.6 days after discovery of 2023pgb
Position of reported SN (faint) is indicated by white cross-hairs.
Measured Magnitude +17.76 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 02:57 UT (#1143179-82)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023pgb (in NGC 2326) on Supernova 2023 Page >>

NGC 5631 - Spiral Galaxy with Type Ia Supernova 2022aaiq

NGC 5631 with SN 2022aaiq (Ursa Major)
SN 2022aaiq (Type: Ia) discovered 2022-11-15.057 UT by Patrick Wiggins
Discovery Mag +16.0 (vs last non-detection, limiting mag +19)
( TNS 2022aaiq )

NGC 5631 with SN 2022aaiq - 2023-09-13 (T+301.9d)
Image below (2023-09-13.000) was taken 301.9 days after discovery of 2022aaiq
Position of earlier supernova (faded/no longer visible) is shown by white cross-hairs

Annotated CCD Image (125% size, log scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 00:09 UT (#1143106-10)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022aaiq (NGC 5631) on Supernova 2022 Page >>

NGC 5894 - Spiral Galaxy with Type II Supernova 2022pgf

NGC 5894 with SN 2022pgf (Draco)
SN 2022pgf (Type: II) discovered 2022-07-22.285 UT by ZTF
Alias: ZTF22aauurbv, ATLAS22vul, PS22gvc
( Rochester Supernova site | TNS 2022pgf )

NGC 5894 with SN 2022pgf - 2023-09-12 (T+417.6d)
Image below (2023-09-12.907) was taken 417.6 days after discovery of 2022pgff
Position of earlier SN (faded/no longer visiblet) is shown by white cross-hairs

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-12 21:54 UT (#1143042-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5894 with SN 2022pgf - Earlier Image 2022-08-12 (T+20.7d)
Image below (2022-08-12.028) was taken 20.7 days after discovery of 2022pgf
Position of reported SN (bright) is shown by white cross-hairs
Measured Magnitude +14.72

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2022-08-12 00:50 UT (#1027035-39)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022pgf (NGC 5894) on SN 2022 Page >>

UGC 4132 - Spiral Galaxy with Type Ia Supernova 2023fqv

UGC 4132 with SN 2023fqv (Gemini)
SN 2023fqv (Type: Ia) discovered 2023-04-15.337 UT by ATLAS
Alias: ATLAS23hxi
Discovery Mag 18.37 (cyan-ATLAS filter)
( Rochester Supernova site | TNS 2023fqv )

UGC 4132 with SN 2023fqv - 2023-09-13 (T+150.8d)
Image below (2023-09-13.133) was taken 150.8 days after discovery of 2023fqv
Position of reported SN (faded/no longer visible) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 03:20 UT (#1143186-90)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023fqv (UGC 4132) on Supernova 2023 Page >>

UGC 5276 - Spiral Galaxy with Type Ia Supernova 2023cxk

UGC 5276 with SN 2023cxk (Leo)
SN 2023cxk (Type:Ia) discovered 2023-03-11.401 UT by ATLAS
Alias: ATLAS23dky
Discovery Magnitude 17.89 (orange-ATLAS Filter)
( TNS 2023cxk )

UGC 5276 with SN 2023cxk - 2023-09-13 (T+185.7d)
Image below (2023-09-13.148) was taken 185.7 days after discovery of 2023cxk
Position of earlier SN (likely faded/no longer visible) is shown by white cross-hairs
Poor quality image (poor sky transparency / cloud)
Target to be rescheduled

Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 03:42 UT (#1143193-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023cxk (UGC 5276) on Supernova 2023 Page >>

UGC 11858 - Spiral Galaxy with Type Ia Supernova 2023rjj

UGC 11858 with SN 2023rjj (Cygnus)
SN 2023rjj (Type: Ia) discovered 2023-09-05.340 UT by ALeRCE
Alias: ZTF23abaxkwq
Discovery Magnitude 18.17 (g-ZTF Filter)
( TNS 2023rjj )

UGC 11858 - Spiral Galaxy
Alias PGC 67712 (catalog mag 15.1)

Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 01:06 UT (#1143134-36)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 11858 with SN 2023rjj - 2023-09-13 (T+7.7d)
Image below (2023-09-13.042) was taken 7.7 days after discovery of 2023rjj
Position of reported transient (faint but distinct) is indicated by white cross-hairs.
Measured Magnitude ? (unable to differentiate SN from nucleus)

Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-13 01:06 UT (#1143134-36)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023rjj (in UGC 11858) on Supernova 2023 Page >>

UGC 12639 - Spiral Galaxy with Type II Supernova 2023jri

UGC 12639 with SN 2023jri (Pegasus)
SN 2023jri (Type: II) discovered 2023-05-29.577 UT by ATLAS
Alias: ATLAS23lqb
Discovery Magnitude 16.48 (orange-ATLAS Filter)
( TNS 2023jri )

UGC 12639 with SN 2023jri - 2023-09-12 (T+106.4d)
Image below (2023-09-12.965) was taken 106.4 days after discovery of 2023jri
Position of reported transient (faint) is indicated by white cross-hairs.
Measured Magnitude ? (unable to differentiate SN from nucleus)

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-12 23:18 UT (#1143080-84)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023jri (in UGC 12639) on Supernova 2023 Page >>

This Web Page:	Images - Session 1143 (2023-09-12)
Last Updated :	2024-06-15
Site Owner :	David Richards
Home Page :	David's Astronomy Web Site

David's Astronomy PagesImages - Session 1143 (2023-09-12)