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 Images - Session 1415 (2026-04-01)

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Objects Session Notes
Bullet 10P/Tempel - Comet  (non-detection)
Bullet 29P/Schwassmann-Wachmann - Comet
Bullet 240P/NEAT - Comet
 
Bullet C/2022 N2 (PANSTARRS) - Comet
Bullet C/2025 R3 (PANSTARRS) - Comet
 
Bullet KIC 8462852 - Variable Star (Tabby's Star, Boyajian's Star, WTF Star)
 
Bullet AT 2026fkw - CV Type Transient
Bullet AT 2026hix - Type CV? Transient  (non-detection)
Bullet AT 2026hur - Type CV? Transient
 
Bullet NGC 6070 - Spiral Galaxy with Type II Supernova 2026ejy
Bullet NGC 7292 - Irregular Galaxy with Type II Supernova 2026fov
 
Bullet UGC 5381 - Spiral Galaxy with Type II Supernova 2025ahep
Bullet UGC 9533 - Spiral Galaxy with Unconfirmed Transient AT 2026hvo  (non-detection)
Bullet UGC 11058 - Spiral Galaxy with Type Ia Supernova 2026ewd
 
Bullet Variable Stars (photometric monitoring)
- T CrB, SS Cyg, RZ LMi, BL Lac, RR Leo, RR Tau, KIC 8462852 (Tabby's Star)
 
Bullet Nearby Stars (astrometric monitoring)
- None
 
- All-Night Session (5.6 hr)
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 1°C (min)
- CCD Temperature:  -20°/-25°C
- Notes from 2026-04-01 >>
-
-

Observing Result

Image

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10P/Tempel  - Comet  (non-detection)

10P/Tempel - 2026-04-02
(passing through Serpens)
Sun Distance 1.87 AU
Earth Distance 1.45 AU (217.6 million km) 		   10P/Tempel - 2026-04-02 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 72.2 arcsec/hr, Dec 6.5 arcsec/hr)
Position of comet (not visible) is shown by white cross-hairs
Image    Image
Annotated CCD Image (50% size, square root scale)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 03:01 UT (#1415139-41)
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)
Image details as left
      
Images of Comet_10P_Tempel on Comets 2026 Page  >>     

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29P/Schwassmann-Wachmann  - Comet

29P/Schwassmann-Wachmann - 2026-04-02
(passing through Leo)
Sun Distance 6.31 AU
Earth Distance 5.39 AU (806.0 million km)
Poor quality image (bright moonlit sky background) 		   29P/Schwassmann-Wachmann - 2026-04-02 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -13.7 arcsec/hr, Dec 5.7 arcsec/hr)
Measured M2 Magnitude +16.10 (Clear Filter)
Image    Image
Annotated CCD Image (50% size, square root scale)
7 x 90s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 00:10 UT (#1415054-60)
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)
Image details as above
      
Images of Comet_29P_Schwassmann-Wachmann on Comets 2026 Page  >>     

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240P/NEAT  - Comet

240P/NEAT - 2026-04-01
(passing through Auriga)
Sun Distance 2.27 AU
Earth Distance 2.47 AU (369.0 million km) 		   240P/NEAT - 2026-04-01 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 63.7 arcsec/hr, Dec 16.0 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter
2026-04-01 22:51 UT (#1415015-17)
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
2026-04-01 22:54 UT (#1415015-23)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of Comet_240P_NEAT on Comets 2026 Page  >>     

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C/2022 N2 (PANSTARRS)  - Comet

C/2022 N2 (PANSTARRS) - 2026-04-01
(passing through Taurus)
Sun Distance 4.38 AU
Earth Distance 4.88 AU (730.4 million km) 		   C/2022 N2 (PANSTARRS) - 2026-04-01 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 37.3 arcsec/hr, Dec 4.4 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, square root scale)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2026-04-01 22:36 UT (#1415005-09)
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 60s exposure (average combine), 3x3 binning, Clear Filter
2026-04-01 22:36 UT (#1415005-09)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of C2022_N2_PANSTARRS on Comets 2026 Page  >>     

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C/2025 R3 (PANSTARRS)  - Comet

C/2025 R3 (PANSTARRS) - 2026-04-02
(passing through Pegasus)
Sun Distance 0.65 AU
Earth Distance 1.21 AU (181.0 million km) 		   C/2025 R3 (PANSTARRS) - 2026-04-02 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 58.0 arcsec/hr, Dec 5.9 arcsec/hr)
Image    Image
Annotated CCD Image (50% size, log scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 03:45 UT (#1415156-57)
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)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 03:48 UT (#1415156-63)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
      
Images of C2025_R3_PANSTARRS on Comets 2026 Page  >>     

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KIC 8462852  - Variable Star (Tabby's Star, Boyajian's Star, WTF Star)

KIC 8462852 (Cygnus)
Alias: Tabby's Star, Boyajian's Star, WTF Star
Star shows large irregular dimmings. 1470 ly. Mag +11.7
 
KIC 8462852 (Cygnus)
Position of earlier transient (distinct) is shown by white cross-hairs
Measured Magnitude +11.81 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
3 x 60s exposure (average combine), 3x3 binning, V Filter
2026-04-02 03:14 UT (#1415144-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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AT 2026fkw  - CV Type Transient

AT 2026fkw (Libra)
AT 2026fkw (Type: CV) discovered 2026-03-12.881 UT by jiashuo Zhang
Alias: STSP J154537.89-203632.8, LP 803-27
Discovery Magnitude 16.24 (Clear- Filter)
vs Prior Non-Detection Limiting Magnitude ( Filter)
Group reports the discovery of a candidate dwarf nova.
( TNS 2026fkw )
 
AT 2026fkw - 2026-04-02 (T+20.2d)
Image below (2026-04-02.115) was taken 20.2 days after discovery of 2026fkw
Position of earlier transient (faint) is shown by white cross-hairs
Measured Magnitude +15.53 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 02:47 UT (#1415130-33)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2026fkw on Transients 2026 Page  >>

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AT 2026hix  - Type CV? Transient  (non-detection)

AT 2026hix (Canis Minor)
AT 2026hix (Type: CV?) discovered 2026-03-25.730 UT by XOSS
Alias: KATS26F003
Discovery Magnitude 16.23 (Clear- Filter)
vs Prior Non-Detection Limiting Magnitude ( Filter)
Cataclysmic variable candidate classified by XOSS.
Details can be found at http://xjltp.china-vo.org/kats26f003.html
( TNS 2026hix )
 
AT 2026hix - 2026-04-01 (T+7.2d)
Image below (2026-04-01.973) was taken 7.2 days after discovery of 2026hix
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +17.1 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-01 23:30 UT (#1415037-41)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT 2026hix - Earlier Image, 2026-03-31 (T+6.1d)
Image below (2026-03-31.858) was taken 6.1 days after discovery of 2026hix

Position of earlier transient (very faint) is shown by white cross-hairs
Measured Magnitude +17.16 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-03-31 20:43 UT (#1414012-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2026hix on Transients 2026 Page  >>

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AT 2026hur  - Type CV? Transient

AT 2026hur (Serpens)
AT 2026hur (Type: CV?) discovered 2026-03-29.850 UT by XOSS
Alias: KATS26F005
Discovery Magnitude 15.81 (Clear- Filter)
vs Prior Non-Detection Limiting Magnitude ( Filter)
Cataclysmic variable candidate classified by XOSS.
Details can be found at http://xjltp.china-vo.org/kats26f005.html
( TNS 2026hur )
 
AT 2026hur - 2026-04-02 (T+3.2d)
Image below (2026-04-02.084) was taken 3.2 days after discovery of 2026hur
Position of earlier transient (faint) is shown by white cross-hairs
Measured Magnitude +16.11 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 02:10 UT (#1415114-18)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT 2026hur - 2026-04-02 (T+3.2d)
Image below (2026-04-02.084) was taken 3.2 days after discovery of 2026hur
Object shown by white cross-hairs is believed to be the reported transient,
but is slightly offset from its reported coordinates

Another transient is possibly present in image at position indicated by yellow cross-hair.
Possibility is that the reported transient might have been an asterord,
rather the dwarf nova suggested by the discoveries
Image
Annotated CCD Image (175% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 02:10 UT (#1415114-18)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2026hur on Transients 2026 Page  >>

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NGC 6070  - Spiral Galaxy with Type II Supernova 2026ejy

NGC 6070 with SN 2026ejy (Serpens)
SN 2026ejy (Type: II) discovered 2026-02-25.180 UT by ATLAS
Alias: GOTO26bnq, ZTF26aaiedvz, ATLAS26coa, BGEM J161000.25+004220.7
Discovery Magnitude 18.55 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 20.4 (L-GOTO Filter)
( TNS 2026ejy )
 
NGC 6070 with SN 2026ejy - 2026-04-02 (T+35.9d)
Image below (2026-04-02.053) was taken 35.9 days after discovery of 2026ejy
Position of earlier supernova (faint) is shown by white cross-hairs
Measured Magnitude +15.53 (Clear Filter)
Poor quality image (due to bright moonlit sky background, single frame)
Image
Annotated CCD Image (125% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2026-04-02 01:17 UT (#1415087)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2026ejy (in NGC 6070) on Supernovae 2026 Page  >>

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NGC 7292  - Irregular Galaxy with Type II Supernova 2026fov

NGC 7292 with SN 2026fov (Pegasus)
SN 2026fov (Type: II) discovered 2026-03-14.851 UT by Koichi Itagaki
Alias: ZTF26aaltzhc
Discovery Magnitude 13.5 (Clear- Filter)
vs Prior Non-Detection Limiting Magnitude ( Filter)
0.35-m F/11 + CCD (KAF-1001E) unfiltered
( TNS 2026fov )
[ Irregular Galaxies ] 
 
NGC 7292 with SN 2026fov - 2026-04-02 (T+18.3d)
Image below (2026-04-02.141) was taken 18.3 days after discovery of 2026fov
Position of earlier supernova (distinct) is shown by white cross-hairs
Measured Magnitude +13.79 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 03:28 UT (#1415149-51)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2026fov (in NGC 7292) on Supernovae 2026 Page  >>

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UGC 5381  - Spiral Galaxy with Type II Supernova 2025ahep

UGC 5381 with SN 2025ahep (Leo)
SN 2025ahep (Type: II) discovered 2025-12-17.443 UT by ATLAS
Alias: ZTF25acinfdh
Discovery Magnitude 17.506 (g-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 21.0114 (g-ZTF Filter)
Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).
( TNS 2025ahep )
 
UGC 5381 with SN 2025ahep - 2026-04-01 (T+105.5d)
Image below (2026-04-01.989) was taken 105.5 days after discovery of 2025ahep
Position of earlier supernova (barely visible) is shown by white cross-hairs
Limiting Magnitude +19.0 (Clear Filter)
Poor quality image (poor transparency, uneven sky background)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-01 23:53 UT (#1415045-49)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025ahep (in UGC 5381) on Supernovae 2025 Page  >>

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UGC 9533  - Spiral Galaxy with Unconfirmed Transient AT 2026hvo  (non-detection)

UGC 9533 with AT 2026hvo (Bootes)
AT 2026hvo (Type: unconf) discovered 2026-03-29.917 UT by Paolo Demaria
Discovery Magnitude 15 (L- Filter)
vs Prior Non-Detection Limiting Magnitude ( Filter)
Captured with Seestar S50 during photometric session on EL Boo
( TNS 2026hvo )
 
UGC 9533 with AT 2026hvo - 2026-04-02 (T+3.1d)
Image below (2026-04-02.031) was taken 3.1 days after discovery of 2026hvo
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.2 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 00:51 UT (#1415076-79)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2026hvo on Transients 2026 Page  >>

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UGC 11058  - Spiral Galaxy with Type Ia Supernova 2026ewd

UGC 11058 with SN 2026ewd (Hercules)
SN 2026ewd (Type: Ia) discovered 2026-03-05.583 UT by ATLAS
Alias: ATLAS26cph, GOTO26bqj, ZTF26aajugdc
Discovery Magnitude 17.346 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.52 (cyan-ATLAS Filter)
( TNS 2026ewd )
 
UGC 11058 with SN 2026ewd - 2026-04-02 (T+27.5d)
Image below (2026-04-02.099) was taken 27.5 days after discovery of 2026ewd
Position of earlier supernova (faint but distinct, fading) is shown by white cross-hairs
Measured Magnitude +15.48 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 02:32 UT (#1415121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2026ewd (in UGC 11058) on Supernovae 2026 Page  >>

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UGC 9533  - Spiral Galaxy with Unconfirmed Transient AT 2026hvo  (non-detection)

UGC 9533 with AT 2026hvo (Bootes)
AT 2026hvo (Type: unconf) discovered 2026-03-29.917 UT by Paolo Demaria
Discovery Magnitude 15 (L- Filter)
vs Prior Non-Detection Limiting Magnitude ( Filter)
Captured with Seestar S50 during photometric session on EL Boo
( TNS 2026hvo )
 
UGC 9533 with AT 2026hvo - 2026-04-02 (T+3.1d)
Image below (2026-04-02.031) was taken 3.1 days after discovery of 2026hvo
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.2 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 00:51 UT (#1415076-79)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2026hvo on Transients 2026 Page  >>

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UGC 11058  - Spiral Galaxy with Type Ia Supernova 2026ewd

UGC 11058 with SN 2026ewd (Hercules)
SN 2026ewd (Type: Ia) discovered 2026-03-05.583 UT by ATLAS
Alias: ATLAS26cph, GOTO26bqj, ZTF26aajugdc
Discovery Magnitude 17.346 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.52 (cyan-ATLAS Filter)
( TNS 2026ewd )
 
UGC 11058 with SN 2026ewd - 2026-04-02 (T+27.5d)
Image below (2026-04-02.099) was taken 27.5 days after discovery of 2026ewd
Position of earlier supernova (faint but distinct, fading) is shown by white cross-hairs
Measured Magnitude +15.48 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-04-02 02:32 UT (#1415121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2026ewd (in UGC 11058) on Supernovae 2026 Page  >>

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KIC 8462852  - Variable Star (Tabby's Star, Boyajian's Star, WTF Star)

KIC 8462852 (Cygnus)
Alias: Tabby's Star, Boyajian's Star, WTF Star
Star shows large irregular dimmings. 1470 ly. Mag +11.7
 
KIC 8462852 (Cygnus)
Position of earlier transient (distinct) is shown by white cross-hairs
Measured Magnitude +11.81 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
3 x 60s exposure (average combine), 3x3 binning, V Filter
2026-04-02 03:14 UT (#1415144-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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This Web Page: Images - Session 1415 (2026-04-01)
Last Updated : 2026-05-22
Site Owner : David Richards
Home Page : David's Astronomy Web Site