David's Astronomy Pages
Images - Session 1149 (2023-09-25)

Objects Session Notes
Bullet C/2022 A2 (PANSTARRS) - Comet
   
Bullet AT 2022xhz - Transient  (Attempt)
Bullet AT 2022yeu - CV Type Transient
Bullet AT 2023cuy - CV Type Transient
Bullet AT 2023htu - Type ulens? Transient
Bullet AT 2023pfd - Transient
Bullet AT 2023rao - Transient
Bullet AT 2023rbs - Type HPM Transient
Bullet AT 2023rfq - Type YSO? Transient
Bullet AT 2023tdi - Type BL Transient (QSO B1028+511)
Bullet AT 2023tjz - Transient / Carbon Star
   
Bullet IC 458 - Elliptical Galaxy with Type Ia Supernova 2023rgp
Bullet LEDA 1488100 - Galaxy with Type Ia Supernova 2023olz
Bullet M31 - Spiral Galaxy with Transient AT 2023gvz
   
Bullet NGC 205 (M110) - Elliptical Galaxy with Transient AT 2023sqw (Attempt)
Bullet NGC 1086 - Spiral Galaxy with Type II Supernova 2023rix
Bullet NGC 2326 - Spiral Galaxy with Type II Supernova 2023pgb
Bullet NGC 2340 - Spiral Galaxy
   
Bullet UGC 4992 - Spiral Galaxy with Transient AT 2023rpu
Bullet UGC 11858 - Spiral Galaxy with Type Ia Supernova 2023rjj
   
Bullet Variable Stars (photometric monitoring)
- TT Ari, BL Lac, RZ LMi
    
Bullet Nearby Stars (astrometric monitoring)
- HH And, DX Cnc
 
  
- All-night session (8.5 hrs)
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 12.5°C (min)
- CCD Temperature:  -10° C
- Notes from 2023-09-25 >>
   
- Aurora Images/Video from 2023-09-25 >> Under Constuction
Image
-  
   

C/2022 A2 (PANSTARRS) - Comet

  C/2022 A2 (PANSTARRS) - 2023-09-25
 (passing through Pisces)

Sun Distance 3.19 AU (receeding)
Earth Distance 2.21 AU (330.2 million km)
   C/2022 A2 (PANSTARRS) - 2023-09-25 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -52.37 arcsec/hr, Dec -67.49 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 20:22 UT (#1149007-08)
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
2023-09-25 20:24 UT (#1149007-11)
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 >>    

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AT 2022xhz - Transient (Attempt)

AT 2022xhz (Andromeda)
AT 2022xhz (Type: unk) discovered 2022-09-29.278 UT by ZTF
Alias: ZTF22abjfseq
Discovery Mag +16.11 (g-ZTF filter)
 ( TNS 2022xhz )
 
AT 2022xhz - 2023-09-26 (T+361.8d)
Image below (2023-09-26.110) was taken 361.8 days after discovery of 2022xhz
Position of transient (faded / not visible) is shown by white cross-hairs
Image
Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 02:46 UT (#1149142-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2022xhz on Transients 2022 Page >>

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AT 2022yeu - CV Type Transient

AT 2022yeu (Andromeda)
AT 2022yeu (Type: CV) discovered 2022-10-20.338 UT by PS1
Alias: PS22koo
Discovery Data Source PanSTARS,
Reporting Group YSE (Young Supernova Experiment)
Discovery Mag +15.34
 ( TNS 2022yeu )
 
AT 2022yeu - 2023-09-25 (T+340.6d)
Image below (2023-09-25.895) was taken 340.6 days after discovery of 2022yeu
Position of transient is shown by white cross-hairs
Measured magnitude +13.27 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 21:35 UT (#1149037-40)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
mages of AT 2022yeu on Transients 2022 Page >>

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AT 2023cuy - CV Type Transient

AT 2023cuy (Perseus)
AT 2023cuy (Type: CV) discovered 2023-03-07.642 UT by Gaia
Alias: Gaia23baq, ASASSN-19ba
Discovery magnitude 16.02 (G-Gaia filter) vs Historic magnitude 17.87 +/- 0.42  SD
Outburst in candidate CV ASASSN-19ba
 ( TNS 2023cuy | Gaia23baq )
  
AT 2023cuy - 2023-09-25 (T+202.4d)
Image below (2023-09-25.994) was taken 202.4 days after discovery of 2023cuy
Position of earlier reported transient (faint) is shown by white cross-hairs
Measured Magnitude +18.26 (Clear Filter)
Transient confirmed to have returned to its historic range.
Image 
Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 23:55 UT (#1149085-89)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023cuy on Transients 2023 Page >>

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AT 2023htu - Type ulens? Transient

AT 2023htu (Cassiopeia)
AT 2023htu (Type: ulens?) discovered 2023-04-29.208 UT by Gaia
Alias: Gaia23bst
Alerting Mag +16.92 (G-Gaia Filter)  (vs Historic Magnitude +17.65)
Brightening in Gaia, WISE and UV source
 ( TNS 2023htu | Gaia23bst )
 
AT 2023htu - 2023-09-25 (T+149.7d)
Image below (2023-09-25.908) was taken 149.7 days after discovery of 2023htu
Position of transient is shown by white cross-hairs
Measured magnitude +14.82 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 21:56 UT (#1149043-47)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023htu on Transients 2023 Page >>

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AT 2023pfd - Transient

AT 2023pfd (Cassiopeia)
AT 2023pfd (Type: unk) discovered 2023-08-13.260 UT by GEOTS
Alias: GEOTS-Balaji-2023-013, TCP J23534441+5145320, ZTF23aawzkue, ATLAS23rav
Discovery Mag +16.0 (Clear Filter)  vs Last Non-Detection (limiting mag 18)
 ( TNS 2023pfd )
 
AT 2023pfd - 2023-09-26 (T+43.8d)
Image below (2023-09-26.081) was taken 43.8 days after discovery of 2023pfd
Position of transient (no longer visible) is shown by white cross-hairs
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 02:06 UT (#1149127-31)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023pfd on Transients 2023 Page >>

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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 - 2023-09-25 (T+40.5d)
Image below (2023-09-25.878) was taken 40.5 days after discovery of 2023rao
Position of transient (faint but distinct) is shown by white cross-hairs
Measured magnitude +16.33 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 21:13 UT (#1149030-34)
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 >>

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AT 2023rbs - Type HPM Transient

AT 2023rbs (Perseus)
AT 2023rbs (Type: HPM) discovered 2023-08-31.443 UT by ZTF
Alias: ZTF23abascus, LP 198-542
Discovery Magnitude 14.06 (r-ZTF Filter)
 ( TNS 2023rbs )

 
AT 2023rbs - 2023-09-25 (T+25.5d)
Image below (2023-09-25.955) was taken 25.5 days after discovery of 2023rbs
Position of reported transient (faint) is shown by white cross-hairs 
Measured magnitude +15.36 (Clear Filter

Image

Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 23:04 UT (#1149064-68)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2023rbs on Transients 2023 Page >>

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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 - 2023-09-26 (T+32.9d)
Image below (2023-09-26.019) was taken 32.9 days after discovery of 2023rfq
Position of reported transient is shown by white cross-hairs
Measured magnitude +13.05 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 00:35 UT (#1149100-04)
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 >>

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AT 2023tdi - Type BL Transient (QSO B1028+511)

AT 2023tdi (Ursa Major)
AT 2023tdi (Type: BL) discovered 2023-09-15.424 UT by Gaia
Alias: Gaia23ckv,  QSO B1028+511
Discovery Mag 16.34 (G-Gaia Filter) vs Historic Mag 14.06
Known BL Lac type object (QSO B1028+511) brightens by 0.5 mag
( TNS 2023tdi | Gaia23ckv )
 
AT 2023tdi - 2023-09-26 (T+10.7d)
Image below (2023-09-26.165) was taken 10.7 days after discovery of 2023tdi
Position of reported transient (faint) is shown by white cross-hairs
Measured Magnitude +15.58 (Clear Filter)
Image
Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 04:07 UT (#1149168-72)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023tdi on Transients 2023 Page >>

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AT 2023tjz - Transient / Carbon Star

AT 2023tjz (Orion)
AT 2023tjz (Type: unk) discovered 2023-09-17.895 UT by Gaia
Alias: Gaia23cnk
Discovery magnitude 12.44 (G-Gaia filter) vs Historic Mag 10.71
Known Carbon star fades by 1.5 mag
 ( TNS 2023tjz | Gaia23cnk )
  
AT 2023tjz - 2023-09-26 (T+8.2d)
Image below (2023-09-26.065) was taken 8.2 days after discovery of 2023tjz
Position of earlier reported transient (distinct) is shown by white cross-hairs
Measured magntitude +12.72 (Clear Filter)
Image 
Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 01:42 UT (#1149120-24)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023tjz on Transients 2023 Page >>

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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 with SN 2023rgp - 2023-09-26 (T+21.6d)
Image below (2023-09-26.051) was taken 21.6 days after discovery of 2023rgp
Position of reported transient (very faint / indistinct) is indicated by white cross-hairs.
Measured Magnitude +13.38 (nucleus + SN)
Image
Annotated CCD Image (175% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 01:21 UT (#1149113-17)
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 >>

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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 - 2023-09-25 (T+52.5d)
Image below (2023-09-25.923) was taken 52.5 days after discovery of 2023olz
Position of reported SN (indistinct) is indicated by white cross-hairs.
Poor quality image (cloud / poor sky transparency)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 22:17 UT (#1149050-54)
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 >>

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M31 - Spiral Galaxy with Transient AT 2023gvz

M31 with AT 2023gvz (Andromeda)
AT 2023gvz (Type: unk) discovered 2023-04-26.022 UT by MASTER
Alias: MASTER OT J004240.02+410334.1
Discovery Mag 16.9 (Clear filter) vs last non-detection, limiting mag 21.3
 ( TNS 2023gvz )
  
M31 with AT 2023gvz - 2023-09-25 (T+152.9d)
Image below (2023-09-25.969) was taken 152.9 days after discovery of 2023gvz
Position of reported transient (faded/no longer visible) is shown by white cross-hairs
Image
Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 23:25 UT (#1149070-74)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023gvz (in M31) on Transients 2023 Page >>

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NGC 205 (M110) - Elliptical Galaxy with Transient AT 2023sqw (Attempted Observation / Unconfirmed)

NGC 205 with AT 2023sqw (Andromeda)
AT 2023sqw (Type: unk) discovered 2023-09-15.249 UT by Chris Spratt
Discovery Mag 17.47 (G-Gaia Filter)
 Transient was discovered by C. E. Spratt on images obtained at the
Rothney Astrophysical Observatory (University of Calgary) Baker-Nunn Schmidt + CCD
Transient reported by Dave Balam
 ( TNS 2023sqw )
 
NGC 205 - Elliptical Galaxy
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 03:20 UT (#1149153-57)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
NGC 205 with AT 2023sqw - 2023-09-26 (T+10.9d)
Image below (2023-09-26.133) was taken 10.9 days after discovery of 2023sqw
Position of reported transient (not visible) is shown by white circle
No sign of transient object at reported coordinates.
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 03:20 UT (#1149153-57)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023sqw (NGC 205) on Transients 2023 Page >>

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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 with SN 2023rix - 2023-09-25 (T+20.6d)
Image below (2023-09-25.940) was taken 20.6 days after discovery of 2023rix
Position of reported transient (faint) is indicated by white cross-hairs.
Measured Magnitude ? (not resolveable in SExtractor)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 22:42 UT (#1149057-61)
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 >>

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NGC 1272 - Elliptical Galaxy with Transient AT 2023seo (Attempted Observation)

NGC 1272 with AT 2023seo (Perseus)
AT 2023seo (Type: unk) discovered 2023-09-13.440 UT by ATLAS
Alias: ATLAS23sjh
Discovery Mag +16.65
 ( Rochester Supernova site | TNS 2022zxr )
 
NGC 1272 with AT 2023seo - 2023-09-25 (T+12.4d)
Image below (2023-09-25.856) was taken 12.4 days after discovery of 2023seo
Position of reported transient (not distinguishable) is shown by white cross-hairs
Image
Annotated CCD Image (150% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-25 20:42 UT (#1149014-18)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023seo (NGC 1272) on Transients 2023 Page >>

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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 - 2023-09-26 (T+44.7d)
Image below (2023-09-26.151) was taken 44.7 days after discovery of 2023pgb
Position of reported SN (faint) is indicated by white cross-hairs.
Measured Magnitude +18.19 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 03:46 UT (#1149160-64)
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 >>

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NGC 2340 - Spiral Galaxy

NGC 2340 (Lynx)
Image
Annotated CCD Image (50% size, log scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 01:21 UT (#1149113-17)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Image
Annotated CCD Image (125% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 01:21 UT (#1149113-17)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  

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UGC 4992 - Spiral Galaxy with Transient AT 2023rpu

UGC 4992 with AT 2023rpu (Ursa Major)
AT 2023rpu (Type: unk) discovered 2023-09-07.510 UT by ALeRCE
Alias: ZTF23aaomzth, Gaia23cnt
Discovery magnitude 18.01 (r-ZTF filter) vs DSS Archival Image
Candidate SN near galaxy UGC 4992
 ( TNS 2023rpu | Gaia23cnt )
  
UGC 4992 with AT 2023rpu - 2023-09-26 (T+18.5d)
Image below (2023-09-26.002) was taken 18.5 days after discovery of 2023rpu
Position of reported transient (faint) is shown by white cross-hairs
Measured magnitude ?
Image 
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 00:12 UT (#1149093-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023rpu (UGC 4992) on Transients 2023 Page >>

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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 with SN 2023rjj - 2023-09-26 (T+20.7d)
Image below (2023-09-26.033) was taken 20.7 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)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-09-26 00:56 UT (#1149106-10)
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 >>

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