David's Astronomy Pages
Images - Session 1329 (2025-05-25)

Objects Session Notes
Bullet M12 - Globular Cluster
Bullet NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw
   
Bullet Realtime Pictures from Current/Latest Session >>
   
Bullet Variable Stars (photometric monitoring)
- T CrB
   
Bullet Nearby Stars (astrometric monitoring)
- None
   
- Post midnight session (0.6hr), affected in part by Autostart Window issue in AstroMain and late start.
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature : 6.5°C (min)
- CCD Temperature: -10°/-15°/-20°C
- Notes from 2025-05-25 >>
   
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Observing Result

Image

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M12 - Globular Cluster

M12  (Ophiuchus)
Alias:  NGC 6218
 [ Messier Objects ]   [ Globular Star Clusters ]
Image
Annotated CCD Image (70% size, square root scale)
5 x 15s exposure (average combine), 3x3 binning, Clear Filter
2025-05-26 00:45 UT (#1329001-06)
12" LX200R (at f/10.4) + ST-10XME
Non-Guided
 
M12 - Earlier Image (Aug 2005)
Image
CCD Image 
5 x 20 sec exposure (average), clear filter
2005-08-14  21:51 h UT (#92072-76)
8" LX200 classic + ST-7e

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NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw

NGC 5957 with SN 2025fvw (Serpens)
SN 2025fvw (Type: Ia) discovered 2025-03-26.799 UT by Koichi Itagaki
using XingLong Telescope
Alias: ZTF25aaktqzg, GOTO25bhh, PS25avu, ATLAS25dcd
Discovery Magnitude 17.4 (Clear Filter)
 ( TNS 2025fvw )

NGC 5957 with SN 2025fvw - 2025-05-26 (T+60.2d)
Image below (2025-05-26.038) was taken 60.2 days after discovery of 2025fvw
Position of reported supernova (fading) is shown by white cross-hairs 
Measured Magnitude +15.99 (Clear Filter)

Image

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-05-26 01:04 UT (#1329011-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 5957 with SN 2025fvw - Earlier Image, 2025-04-08 (T+12.2d)
Image below (2025-04-08.051) was taken 12.2 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening, peak) is shown by white cross-hairs 
Measured Magnitude +13.70 (Clear Filter)

Image

Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-08 01:21 UT (#1312143-47)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
SN 2025fvw - Light Curve

Image

 
Images of SN 2025fvw (in NGC 5957) on Supernova 2025 Page >>

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