2.1 Observation summary
- Hα Observation at Sac Peak Observatory
- Dunn Solar Telescope (D=760mm, f=55m, optics set-up)
- Engineering observational experiment
- FOV 12" × 12"
- Spatial Sampling 0".24 × 0".24
- Spectral Sampling 0.093 Å/pixel
- Spectral Range 20Å (with blocking filter)
- Temporal Sampling 12 sec/frame
- Total duration 20 min
- CCD Camera 2k × 2k
- White light monitor images
- With correlation tracker (image stabilizer)
- Grating 600 grooves/mm, 206mm × 154mm
- Comparison light was inserted for calibration
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