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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