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Ca IIK 393.45 nm, 0.273 FWHM Identify Active Regions

Ca IIK 393.45 nm, 0.273 FWHM Identify Active Regions. Update for PSPT Jerry Harder Laboratory for Atmospheric and Space Physics, Univ. Colorado jerry.harder@lasp.colorado.edu (303) 492 1891. Red Continuum 607.095 nm, 0.458 FWHM Identify Umbra & Penumbra. SRPM Mask Image

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Ca IIK 393.45 nm, 0.273 FWHM Identify Active Regions

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  1. Ca IIK 393.45 nm, 0.273 FWHM Identify Active Regions Update for PSPTJerry HarderLaboratory for Atmospheric and Space Physics, Univ. Coloradojerry.harder@lasp.colorado.edu(303) 492 1891 Red Continuum 607.095 nm, 0.458 FWHM Identify Umbra & Penumbra SRPM Mask Image Identify 7 solar Features

  2. PSPT continues to provide valuable scientific quality data • Data record is mostly up-to-date • Analysis for March & April is now in process • Best quality data is still hand selected • Recent publications using PSPT are at XX for the last year. • Data used for student projects • Courtney Peck (Rast graduate student), “The Role of the Solar Center-to-Limb Variation in Deduced Photometric Trends”, SORCE Science meeting 2014, Orlando Fl. • Data used for SORCE SIM science (Harder)

  3. Status & Future of PSPT Status of data • Data is still archived on the NCAR mass storage system, but about ½ the raw data is archived at LASP (typically morning data since it yields the best quality images) and then processed to photometric quality and feature identification masks are produced • Data is served through the LASP web page but is not prominent. LASP needs to make a more concerted effort to serve PSPT on its LISIRD web page. A pointer to this site from the HAO web page would be beneficial Status of instrument • Red filter images now appear somewhat ‘soft’ suggesting a change in focal properties • Alice Lecinski reports that the filter and appears to be somewhat scratched. • There is no cleaning schedule for the instrument, perhaps a simple/gentle 6-month cleaning of lenses and filters is called for. • However, too dramatic an effort tends to change the overall instrument response

  4. Into the future • PSPT will continue to operate for as long as the instrument is viable. • But what happens when the instrument finally breaks? • Perhaps a plan should be formulated for that eventuality • Efforts to propose for a Radiometric Solar Imager continue, and will be proposed in the 2014 NASA LCAS AO

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