DQRID : D140528.1
Start DateStart TimeEnd DateEnd Time
04/27/2014170605/19/20141625
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Subject:
OLI/TSI/M1 - Shadowband Misalignment
DataStreams:olitsiskyimageM1.a1, olitsiskycoverM1.b1, olitsicldmaskM1.a1
Description:
The TSI mirror became loose from the shaft due to high wind. The lens was covered from 5/1 
00:25 to 5/2 22:07 to protect the CCD. The mirror was secured to the shaft on 5/8 and 
TSI Tracker was ran on 5/19 to correct the lat. and lon. and reset the home (north) 
position of the mirror. The lat. was also corrected in TSI Manager on 5/19.
Suggestions: 
Measurements:olitsiskyimageM1.a1:
  • null(JPEG data stream - documentation not yet available)
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olitsicldmaskM1.a1:
  • PNG data stream - documentation not supported(png)
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olitsiskycoverM1.b1:
  • Pixel count: number opaque in sun circle(region_sun_count_opaque)
  • Pixel count: number total in processed circle(count_sky)
  • Pixel count: number total thin(count_thin)
  • Pixel count: number thin in sun circle(region_sun_count_thin)
  • Pixel count: number total in sun circle(region_sun_count)
  • Pixel count: number total opaque(count_opaque)
  • Percent opaque cloud(percent_opaque)
  • Pixel count: number in camera and sun strip mask(count_mask)
  • Percent thin cloud(percent_thin)
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