David's Astronomy Pages
Images - Session 1388 (2025-12-24)

Objects Session Notes
Bullet 3I/ATLAS - Comet (C/2025 N1 (ATLAS))
Bullet 24P/Schaumasse - Comet
Bullet 29P/Schwassmann-Wachmann - Comet
Bullet 240P/NEAT - Comet
 
Bullet C/2022 E2 (ATLAS) - Comet
Bullet C/2022 N2 (PANSTARRS) - Comet
Bullet C/2025 K1 (ATLAS) - Comet
Bullet C/2025 Q3 (ATLAS) - Comet
Bullet C/2025 R2 (SWAN) - Comet
Bullet C/2025 T1 (ATLAS) - Comet
 
Bullet AT 2025lc - CV Type Transient
Bullet AT 2025adhw - Type Afterglow Transient
Bullet AT 2025agqu - Type CV? Transient
 
Bullet Eridanus Cluster - Galaxy Cluster
 
Bullet M31 - Spiral Galaxy with Transient AT 2025agmm
Bullet M31 - Spiral Galaxy with Transient AT 2025agwf
Bullet M31 - Spiral Galaxy with Transient AT 2025ahch
Bullet M31 - Spiral Galaxy with Transient AT 2025ahch
 
Bullet NGC 2983 - Spiral Galaxy (UGCA 176)
Bullet NGC 2986 - Elliptical Galaxy (UGCA 178)
Bullet NGC 5395 - Spiral Galaxy with Transient AT 2023ycc  (non-detection)
 
Bullet PGC 45110 - Spiral Galaxy
 
Bullet UGCA 31 - Spiral Galaxy (PGC 9246)
Bullet UGCA 68 - Spiral Galaxy (PGC 12701)
 
- NGC 4653 w/SN2025mqc attempt failed (due to cloud/bad guiding)
 
Bullet Variable Stars (photometric monitoring)
- RX And, U And, Z And, CY Aqr, BL Lac, GK Per
 
Bullet Nearby Stars (astrometric monitoring)
- HH And (Ross 248), Groombridge 34, EV Lac (GJ 873), CN Leo (Wolf 359)
 
- Attempted all-night session (12.1 hrs). Cold night
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: -1.5°C (min)
- CCD Temperature:  -20°/-25°C
- Notes from 2025-12-24 >>
-
-

Observing Result

Image

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3I/ATLAS  - Comet (C/2025 N1 (ATLAS))

3I/ATLAS - 2025-12-25
(passing through Leo)

Sun Distance 2.46 AU
Earth Distance 1.81 AU (271.2 million km)
Alias: C/2025 N1 (ATLAS)
https://theskylive.com/c2025n1-info
   3I/ATLAS - 2025-12-25 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -178.3 arcsec/hr, Dec 58.0 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
60s exposure (single frame), 3x3 binning, Clear Filter
2025-12-25 02:11 UT (#1388254)
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)
12 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 02:19 UT (#1388254-67)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of Comet_3I_ATLAS on Comets 2025 Page  >>     

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24P/Schaumasse  - Comet

24P/Schaumasse - 2025-12-25
(passing through Coma Berenices)

Sun Distance 1.20 AU
Earth Distance 0.60 AU (89.7 million km)
   24P/Schaumasse - 2025-12-25 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 171.2 arcsec/hr, Dec -28.7 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
60s exposure (single frame), 3x3 binning, Clear Filter
2025-12-25 04:37 UT (#1388315)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
   Annotated CCD Image (125% size, square root scale, cropped)
8 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 04:41 UT (#1388314-21)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of Comet_24P_Schaumasse on Comets 2025 Page  >>     

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29P/Schwassmann-Wachmann  - Comet

29P/Schwassmann-Wachmann - 2025-12-25
(passing through Leo)

Sun Distance 6.31 AU
Earth Distance 6.09 AU (911.6 million km)
   29P/Schwassmann-Wachmann - 2025-12-25 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 3.9 arcsec/hr, Dec -5.5 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
9 x 90s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 03:15 UT (#1388287-95)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
   Annotated CCD Image (125% size, square root scale, cropped)
9 x 90s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 03:15 UT (#1388287-95)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of Comet_29P_Schwassmann-Wachmann on Comets 2025 Page  >>     

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240P/NEAT  - Comet

240P/NEAT - 2025-12-24
(passing through Aries)

Sun Distance 2.12 AU
Earth Distance 1.28 AU (192.0 million km)
   240P/NEAT - 2025-12-24 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -14.1 arcsec/hr, Dec 39.1 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 19:34 UT (#1388080-81)
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)
9 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 19:39 UT (#1388080-88)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of Comet_240P_NEAT on Comets 2025 Page  >>     

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C/2022 E2 (ATLAS)  - Comet

C/2022 E2 (ATLAS) - 2025-12-24
(passing through Pegasus)

Sun Distance 5.44 AU
Earth Distance 5.47 AU (818.9 million km)
   C/2022 E2 (ATLAS) - 2025-12-24 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 5.8 arcsec/hr, Dec -23.0 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
2 x 90s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 18:59 UT (#1388057-58)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
   Annotated CCD Image (125% size, square root scale, cropped)
4 x 90s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 19:01 UT (#1388057-61)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of C2022_E2_ATLAS on Comets 2025 Page  >>     

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C/2022 N2 (PANSTARRS)  - Comet

C/2022 N2 (PANSTARRS) - 2025-12-24
(passing through Aries)

Sun Distance 4.03 AU
Earth Distance 3.24 AU (484.9 million km)
   C/2022 N2 (PANSTARRS) - 2025-12-24 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -1.9 arcsec/hr, Dec -4.4 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 22:19 UT (#1388157-63)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
   Annotated CCD Image (125% size, square root scale, cropped)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 22:19 UT (#1388157-63)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of C2022_N2_PANSTARRS on Comets 2025 Page  >>     

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C/2025 K1 (ATLAS)  - Comet

C/2025 K1 (ATLAS) - 2025-12-24
(passing through Andromeda)

Sun Distance 1.73 AU
Earth Distance 1.08 AU (161.6 million km)
   C/2025 K1 (ATLAS) - 2025-12-24 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -13.7 arcsec/hr, Dec -90.0 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
2 x 30s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 21:39 UT (#1388127-28)
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)
19 x 30s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 21:45 UT (#1388127-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of C2025_K1_ATLAS on Comets 2025 Page  >>     

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C/2025 Q3 (ATLAS)  - Comet

C/2025 Q3 (ATLAS) - 2025-12-24
(passing through Cetus)

Sun Distance 2.24 AU
Earth Distance 1.63 AU (244.0 million km)
   C/2025 Q3 (ATLAS) - 2025-12-24 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -30.7 arcsec/hr, Dec -77.2 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
120s exposure (single frame), 3x3 binning, Clear Filter
2025-12-24 21:56 UT (#1388150)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
   Annotated CCD Image (125% size, square root scale, cropped)
5 x 120s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 22:02 UT (#1388150-54)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of C2025_Q3_ATLAS on Comets 2025 Page  >>     

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C/2025 R2 (SWAN)  - Comet

C/2025 R2 (SWAN) - 2025-12-24
(passing through Pisces)

Sun Distance 2.03 AU
Earth Distance 1.57 AU (234.7 million km)
   C/2025 R2 (SWAN) - 2025-12-24 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 56.1 arcsec/hr, Dec 17.1 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
60s exposure (single frame), 3x3 binning, Clear Filter
2025-12-24 22:42 UT (#1388175)
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)
8 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 22:47 UT (#1388175-82)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of C2025_R2_SWAN on Comets 2025 Page  >>     

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C/2025 T1 (ATLAS)  - Comet

C/2025 T1 (ATLAS) - 2025-12-24
(passing through Aquila)

Sun Distance 1.17 AU
Earth Distance 1.71 AU (255.3 million km)
   C/2025 T1 (ATLAS) - 2025-12-24 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 77.6 arcsec/hr, Dec -90.7 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
45s exposure (single frame), 3x3 binning, Clear Filter
2025-12-24 18:51 UT (#1388052)
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)
4 x 45s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 18:52 UT (#1388051-54)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of C2025_T1_ATLAS on Comets 2025 Page  >>     

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AT 2025lc  - CV Type Transient

AT 2025lc (Cygnus)
AT 2025lc (Type: CV) discovered 2025-01-10.553 UT by Gaia
using Gaia Spacecraft Telescope
Alias: Gaia25add
Discovery Magnitude 14.48 (G-Gaia Filter)
Outburst in candidate CV
( TNS 2025lc | Gaia25add )
 
AT 2025lc - 2025-12-24 (T+348.2d)
Image below (2025-12-24.799) was taken 348.2 days after discovery of 2025lc
Position of earlier transient (faint) is shown by white cross-hairs
Estimated Magnitude +15.6 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 19:14 UT (#1388064-68)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025lc on Transients 2025 Page  >>

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AT 2025adhw  - Type Afterglow Transient

AT 2025adhw (Cetus)
AT 2025adhw (Type: Afterglow) discovered 2025-11-13.794 UT by MASTER
Alias: MASTER OT J031644.26+071022.6, GRB 251113A
Discovery Magnitude 15.60 (Other Filter)
vs Prior Non-Detection Limiting Magnitude 19.90 (Other Filter)
bright OT inside GRB 251113A: Fermi GBM error-box
Alerting Magnitude 14.48
vs Historic Magnitude 15.89 +/- 0.61 SD
Outburst in candidate CV
( TNS 2025adhw )
 
AT 2025adhw - 2025-12-24 (T+41.0d)
Image below (2025-12-24.770) was taken 41.0 days after discovery of 2025adhw
Position of earlier transient (very faint) is shown by white cross-hairs
Measured Magnitude +19.1 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 18:38 UT (#1388044-48)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025adhw on Transients 2025 Page  >>

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AT 2025agqu  - Type CV? Transient

AT 2025agqu (Canis Minor)
AT 2025agqu (Type: CV?) discovered 2025-12-11.897 UT by XOSS
Alias: KATS25X013
Discovery Magnitude 16.47 (Clear Filter)
Cataclysmic variable candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25x013.html
( TNS 2025agqu )
 
AT 2025agqu - 2025-12-25 (T+13.2d)
Image below (2025-12-25.075) was taken 13.2 days after discovery of 2025agqu
Position of earlier transient (very faint) is shown by white cross-hairs
Measured Magnitude +18.13 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 01:57 UT (#1388246-50)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025agqu on Transients 2025 Page  >>

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Eridanus Cluster  - Galaxy Cluster

Eridanus Cluster (Eridanus)
Image
Annotated CCD Image (150% size, square root scale, cropped)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 22:34 UT (#1388166-72)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Eridanus Cluster - Earlier Image (2025-11-21)
Image
Annotated CCD Image (150% size, square root scale, cropped)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 01:12 UT (#1375176-82)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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M31  - Spiral Galaxy with Transient AT 2025agmm

M31 with AT 2025agmm (Andromeda)
AT 2025agmm (Type: unk) discovered 2025-12-11.775 UT by Róbert Fidrich
Alias: Vend78, PNV J00421476+4117284, M31N 2025-12b
Discovery Magnitude 19.40 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 19.50 (Clear Filter)
Robert Fidrich and Tamas Tordai (HAA/VSS) report the discovery of a new astronomical transient.
Discovered using 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at
Alnitak Remote Observatory, Sierra del Segura, SpaiN, with Luminance filter.
More info: https://vendegcsillagkereso.blogspot.com/2025/12/vend78-possible-young-nova-in-m31.html
The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program.
( TNS 2025agmm )
 
M31 with AT 2025agmm - 2025-12-24 (T+13.0d)
Image below (2025-12-24.740) was taken 13.0 days after discovery of 2025agmm
Position of earlier transient (very faint) is shown by white cross-hairs
Estimated Magnitude +17.1 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 17:53 UT (#1388015-19)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025agmm on Transients 2025 Page  >>

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M31  - Spiral Galaxy with Transient AT 2025agwf

M31 with AT 2025agwf (Andromeda)
AT 2025agwf (Type: unk) discovered 2025-12-14.746 UT by Italian Supernovae Search Project
Alias: PNV J00431764+4114201, M31N 2025-12c, Vend79
Discovery Magnitude 17.50 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 19.80 (Clear Filter)
Flavio Castellani report the discovery by F.Castellani, R.Belligoli and V.Andreoli of a PNV (Mag. 17.5R +-0.20 - USNOB1 catalogue)
in the host galaxy M31 at Monte Baldo Observatory, Ferrara di Monte Baldo, Verona, Italy (A99),
in the course of Italian Supernovae Search Project using a 0.40m f/7 Dall-Kirkham telescope
(+ Moravian G4-9000 KAF unfiltered CCD camera) 15*180 co-added images.
No stellar source was visible at the position of the transient in past images including reference image dated 2025/12/13 17:29:26.
( TNS 2025agwf )
 
M31 with AT 2025agwf - 2025-12-24 (T+10.1d)
Image below (2025-12-24.871) was taken 10.1 days after discovery of 2025agwf
Position of earlier transient (barely visible or not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.1 (Clear Filter)
Image
Annotated CCD Image (100% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 21:01 UT (#1388115-18)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025agwf on Transients 2025 Page  >>

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M31  - Spiral Galaxy with Transient AT 2025ahch

AT 2025agqu (Canis Minor)
AT 2025ahch (Type: unk) discovered 2025-12-16.528 UT by XOSS
Alias: PSP25W, PNV J00422038+4114207, M31N 2025-12d, PNV J00422066+4114212
Discovery Magnitude 17.60 (Clear Filter)
Nova candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/psp25w.html
( TNS 2025agqu )
 
M31 with AT 2025ahch - 2025-12-24 (T+8.4d)
Image below (2025-12-24.884) was taken 8.4 days after discovery of 2025ahch
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +17.4 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 21:22 UT (#1388121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025agqu on Transients 2025 Page  >>

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M31  - Spiral Galaxy with Transient AT 2025ahch

AT 2025agqu (Canis Minor)
AT 2025ahch (Type: unk) discovered 2025-12-16.528 UT by XOSS
Alias: PSP25W, PNV J00422038+4114207, M31N 2025-12d, PNV J00422066+4114212
Discovery Magnitude 17.60 (Clear Filter)
Nova candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/psp25w.html
( TNS 2025agqu )
 
M31 with AT 2025ahch - 2025-12-24 (T+8.4d)
Image below (2025-12-24.884) was taken 8.4 days after discovery of 2025ahch
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +17.4 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 21:22 UT (#1388121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025agqu on Transients 2025 Page  >>

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NGC 2983  - Spiral Galaxy (UGCA 176)

NGC 2983 (Hydra)
Alias: UGCA 176 (catalog mag +11.9 or +12.8)
[ UGCA Galaxies
Image
Annotated CCD Image (50% size, square root scale)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 04:17 UT (#1388307-08)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 2983 - Detail
Image
Annotated CCD Image (125% size, square root scale, cropped)
Image details as above
 
Image
Annotated negative CCD Image (125% size, square root scale, cropped)
Image details as above
 

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NGC 2986  - Elliptical Galaxy (UGCA 178)

NGC 2986 (Hydra)
Alias: UGCA 178 (catalog mag +10.7 or +11.7)
Image
Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 04:03 UT (#1388301-03)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 2986 - Detail
Image
Annotated CCD Image (150% size, square root scale, cropped)
Image details as above
 
NGC 2986 with SN 2025gj - Earlier Image, 2025-01-12 (T+3.9d)
Image below (2025-01-12.113) was taken 3.9 days after discovery of 2025gj
Position of reported supernova (faint) is shown by white cross-hairs
Measured Magnitude +15.56 (Clear Filter)
Poor quality image (poor seeing)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-01-12 02:52 UT (#1293260-64)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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NGC 5395  - Spiral Galaxy with Transient AT 2023ycc  (non-detection)

NGC 5395 with AT 2023ycc (Canes Venatici)
AT 2023ycc (Type: unk) discovered 2023-11-12.641 UT by Gaia
using Gaia Spacecraft Telescope
Alias: Gaia23ddx
Discovery Magnitude 18.10 (G-Gaia Filter)
Candidate SN near galaxy NGC 5395
( TNS 2023ycc | Gaia23ddx )
 
NGC 5395 with AT 2023ycc - 2025-12-25 (T+773.6d)
Image below (2025-12-25.219) was taken 773.6 days after discovery of 2023ycc
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +17.1 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2025-12-25 05:15 UT (#1388330)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2023ycc on Transients 2023 Page  >>

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PGC 45110  - Spiral Galaxy

PGC 45110 (Draco)
Ring Galaxy, J.Lowrey List.. High Dec +65d 00m
[ Ring Galaxies
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 00:04 UT (#1388231-35)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
PGC 45110 - Detail
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-25 00:04 UT (#1388231-35)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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UGCA 31  - Spiral Galaxy (PGC 9246)

UGCA 31 (Cetus)
Alias: PGC 9246 (catalog mag +14.5)
[ UGCA Galaxies
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 20:21 UT (#1388100-04)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGCA 31 - Detail
Taken at Altitude: 11.5°, Airmass: 4.96
Poor quality image (not correctly centered, poor sky transparency / high airrmass)
Image
Annotated CCD Image (125% size, square root scale, cropped)
Image details as above
 

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UGCA 68  - Spiral Galaxy (PGC 12701)

UGCA 68 (Eridanus)
Alias: PGC 12701 (catalog mag +14.7)
Dec -19d 45m
[ UGCA Galaxies
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-12-24 19:57 UT (#1388091-95)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGCA 68 - Detail
Image
Annotated CCD Image (125% size, square root scale, cropped)
Image details as above
 

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