Supernova remnant · Gemini
Jellyfish Nebula
IC 443
A supernova remnant with delicate filamentary structure in a crowded winter sky field.
- Type
- Supernova remnant
- Catalog
- IC 443
- Region
- Gemini
- Captured
- February 22, 2025
- Image size
- 3000 x 2250
- RA
- 94.2359°
- Dec
- 22.5568°
- FOV
- 2.1534 × 1.6145°
- Rotation
- 54.6°
- Optics
- William Optics RedCat 61
- Camera
- ZWO ASI2600MC Pro
- Mount
- ZWO AM5
- Filters
- None
- Sub-exposures
- 529 x 300s (from 613 frames)
- Integration
- 44h 5m
- Sky
- Florida Bortle 6
- Software
- PixInsight / Weighted Batch Preprocessing / 2.8.0
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Image story
What to look for
A supernova remnant with delicate filamentary structure in a crowded winter sky field.
Context source: Gallery acquisition record; fields not recorded are omitted.Capture recipe
How this frame was made
William Optics RedCat 61 · ZWO ASI2600MC Pro · ZWO AM5 · Filters: None · 529 x 300s (from 613 frames) subs · 44h 5m integration
See the full acquisition factsCosmic passport
Jellyfish Nebula
Apparent scale
The recorded frame is about 4.3 full-Moon widths across its long edge.
Calculation note: recorded FOV ÷ 0.5° apparent full-Moon diameter. This describes the captured field, not the physical size or distance of the object.