David's Astronomy Pages
Images - Session 1310 (2025-04-03)

Objects Session Notes
   
Bullet NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw
   
Bullet Realtime Pictures from Current/Latest Session >>
   
Bullet Variable Stars (photometric monitoring)
- None
   
   
Bullet Nearby Stars (astrometric monitoring)
- None
   
- All-Night Session (7.6 hr)
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 1.5°C (min)
- CCD Temperature: -20°C
- Notes from 2025-04-03 >>
   
- Aurora Images from 2025-04-03 / 2025-04-04  >>
Image

   

Observing Result

Image

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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 - 2025-04-04 (T+8.3d)
Image below (2025-04-04.135) was taken 8.3 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening) is shown by white cross-hairs 
Measured Magnitude +14.03 (Clear Filter)
Image shows two satellites tracks crossing field of view during exposure

Image

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-04 03:23 UT (#1310148-52)
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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