GONG Hα Instrument

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Spot DiagramSeptember 22, 2009 <strong>GONG</strong> H-alpha Review 6
Page 1 and 2: GONG Hα InstrumentJ. Harvey & GONG
Page 3 and 4: Instrument Design Goals• No signi
Page 5: Prototype Optical DesignPBSFCCDL1L2
Page 9 and 10: 1 Arcmin Grid Distortion x100Septem
Page 11 and 12: Hα Filter Requirements• Passband
Page 13 and 14: Lab Tests of Filter• Set up an em
Page 15 and 16: Sample Filter Peak Variation•Fit
Page 17 and 18: Lab Test Results• DayStar optics
Page 19 and 20: March 3, 2009 SampleSeptember 22, 2
Page 21 and 22: Filter Issue• Vendor has screened
Page 23 and 24: Center Wavelength VariationCompensa
Page 25 and 26: Filter Problem Mitigation• Reduce
Page 27 and 28: CCD Camera Requirements 1• Match
Page 29 and 30: CCD and Camera Selection• Kodak K
Page 31 and 32: Camera Dark Noise Stability12 hour
Page 33 and 34: Camera Light Responselo g sig mapho
Page 35 and 36: Camera Smear•Caused by lightleaki
Page 37 and 38: Camera Status• 10 cameras ordered
Page 39 and 40: Mechanical OverviewSeptember 22, 20
Page 41 and 42: Mechanical Status/Issues• Install

GONG Hα Instrument

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