SN 2011by
- Capture date
- 2011-05-09
- Distance to the Earth
- ≈ 66,535,901 light-years (Host-galaxy catalogue distance)
- Host galaxy ID
- NGC 3972

Open original-resolution image
- Source filename
- sn2011by.jpg
- Image dimensions
- 1530 × 1060
Object classification
- Topics
- Supernovae
- Inferred targets
- SN 2011by