camera
ZWO
ASI178MM
1/1.8" · 3096×2080 · Mono
Uncooled 1/1.8" mono CMOS.
Best for
- Longer focal lengths — tighter framing on small targets
- Planetary and lunar high-resolution imaging
- Narrowband and LRGB workflows
Specifications
| Sensor | |
| Type | dedicated |
| Sensor | Sony IMX178 |
| Sensor tech | CMOS |
| Format | 1/1.8" |
| Sensor size | 7.4×4.9mm |
| Diagonal | 8.9mm |
| Pixel size | 2.40µm |
| Resolution | 3096×2080 |
| Megapixels | 6.4MP |
| Color | No |
| Cooling & performance | |
| Cooled | No |
| Full well | 15000e⁻ |
| Peak QE | 81% |
Typical FOV & image scale
On 250mm refractor (wide)
FOV 1.70° × 1.12°
Scale 1.98″/px
On 800mm SCT reducer
FOV 0.53° × 0.35°
Scale 0.62″/px
On 2000mm SCT native
FOV 0.21° × 0.14°
Scale 0.25″/px
Typical targets
- NGC NGC 6888 — Crescent NebulaEmission Nebula · 18′
- Messier M3 — Globular Cluster M3Globular Cluster · 18′
- Messier M15 — Great Pegasus ClusterGlobular Cluster · 18′
- NGC NGC 7023 — Iris NebulaReflection Nebula · 18′
- Messier M19 — Globular Cluster M19Globular Cluster · 17′
- Messier M55 — Globular Cluster M55Globular Cluster · 19′
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