Table 1.
Instrument comparison.
| Instrument | Location | FoV | FoV | Typical cadence | Typical exposure time | Detector size |
|---|---|---|---|---|---|---|
| (au) | (∼R⊙) | (min) | (s) | (pixels) | ||
| C2 | 1 | 0.6° −1.6° | 2–6 | 12 | 25 | 1024 × 1024 |
| C3 | 1 | 1° −8° | 4–30 | 12 | 18 | 1024 × 1024 |
| COR2 | 1 | 0.7° −4° | 4–15 | 30 | 6 | 2048 × 2048 |
| HI1 | 1 | 4° −24° | 14–88 | 40 | 1200 | 2048 × 2048 |
| WISPR-I | 0.04 | 13.5° −53.5° | 2–7 | 15 | 13 (1) | 1920 × 2048 |
| 0.25 | 12.5–43 | 30 | 33 | |||
| SoloHI | 0.28 | 5° −45° | 5.25–42.5 | 12 (inner) 24(outer) | 15 (inner) 120 (outer) | 4072 × 4144 |
| 0.6 | 11.25–91 | 24 (inner) 48 (outer) | 65 (inner) 550 (outer) |
Notes. (1)The WISPR images at perihelion are taken at a different gain setting, which impacts the exposure time (see Hess et al. 2021 for details).
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