telescope
Celestron
RASA 14
356mm Rowe-Ackermann Schmidt Astrograph · 790mm f/2.2
Ultra-fast large astrograph.
Best for
- Medium-sized galaxies and planetary nebulae
- Fast imaging — short exposures per sub
- Faint-object imaging under dark skies
- Full-frame astro cameras and DSLRs
Specifications
| Optics | |
| Type | astrograph |
| Optical design | Rowe-Ackermann Schmidt Astrograph |
| Aperture | 356mm |
| Focal length | 790mm |
| Native f/ratio | f/2.2 |
| Image circle | 52mm |
| Full-frame support | Yes |
| Physical | |
| Weight | 30.0kg |
Typical FOV & image scale
With Full-frame (36×24mm, 3.76µm)
FOV 2.61° × 1.74°
Scale 0.98″/px
With APS-C (23.5×15.7mm, 3.76µm)
FOV 1.70° × 1.14°
Scale 0.98″/px
With IMX533 square (11.3×11.3mm, 3.76µm)
FOV 0.82° × 0.82°
Scale 0.98″/px
Typical targets
- NGC NGC 5139 — Omega CentauriGlobular Cluster · 36′
- Messier M16 — Eagle NebulaEmission Nebula · 35′
- NGC NGC 281 — Pacman NebulaEmission Nebula · 35′
- Messier M34 — Open Cluster M34Open Cluster · 35′
- IC IC 405 — Flaming Star NebulaEmission Nebula · 37′
- Messier M41 — Open Cluster M41Open Cluster · 38′
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