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Solar Imagery - Photosphere - Sunspot Drawings - McMath-Hulbert Observatory

browse graphicDrawing of the Sun.
The McMath-Hulbert Observatory is a decommissioned solar observatory in Lake Angelus, Michigan, USA. It was established in 1929 as a private observatory by father and son Francis Charles McMath and Robert Raynolds McMath and their friend, Judge Henry Hulbert. In 1932 the observatory was deeded to the University of Michigan which operated it until 1981, at which time it was sold into private ownership again (Wikipedia). The daily sunspot drawings in this collection were prepared by professional observatory staff and provided to the NOAA National Geophysical Data Center as a member of the World Data Service for Geophysics, Boulder (formerly the World Data Center-A) for permanent archive and public distribution. The available data is from June 24, 1942 to December 31, 1960. Drawings are not available for all days presumably limited by viewing conditions (weather) and other factors. The original paper records were digitized through the NOAA Climate Data Modernization Program (CDMP). Users of these data are kindly requested to acknowledge the McMath-Hulbert Observatory and the NOAA National Geophysical Data Center (NGDC)
Cite this dataset when used as a source.
  • Sunspot Drawings from the McMath-Hulbert Observatory(1942-1960)
Online Access
Distribution Formats
  • PDF
    • File Specification: Online daily drawings provided in Adobe Portable Document Format (pdf)
  • TIFF
    • File Specification: Archived daily drawings provided in Tagged Image File Format (tif)
Distributor Distributor information not available
Dataset No POCs available for this dataset
Documentation links not available.
Date(s)
  • publication: 2014-07-18
Dataset Progress Status Complete
Data Update Frequency: Annually
Supplemental Information:
Collection consists of daily sunspot drawings
Purpose: The set of daily sunspot drawings from the McMath-Hulbert Observatory is one of several sets of sunspot drawings included in the NOAA solar imagery collection. Daily monitoring of the sun is used for both space weather operations and for scientific research.
Use Limitations
  • None
Originator(s)
  • McMath-Hulbert Observatory
Publisher(s)
  • DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
  • National Geophycial Data Center (NGDC)
Time Period: 1942-06-24 to 1960-12-31
Spatial Reference System:
Spatial Bounding Box Coordinates:
N: 43.
S: 42.
E: -83.
W: -82.
Spatial Coverage Map:
Theme keywords
  • Sun-Earth Interactions > Solar Activity > Solar Active Regions
  • Sun-Earth Interactions > Solar Activity > Solar Imagery
  • Sun-Earth Interactions > Solar Activity > Sunspots
  • Sun-Earth Interactions > Solar Activity > Corona
  • Sun-Earth Interactions > Solar Activity > Solar Synoptic Maps
Platform keywords
  • Solar Observatory Stations
Instrument keywords
  • Solar Telescope
Place keywords
  • Space > Solar Region > Photosphere
  • Space > Solar Region > Chromosphere
  • Space > Solar Region > Corona
Keywords
    Keywords
      Use Constraints
      • While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
      Access Constraints
      • While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
      Fees
      • Daily sunspot drawings can be downloaded free of charge. High resolution TIF images are available by request.
      Lineage information for: Scope not available.
      Lineage information for: series
      Lineage Statement Daily sunspot drawings were prepared by professional staff from the McMath-Hulbert Observatory (text10)
      Processor
      • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
      Source Datasets
      • Collection included as a part of the NGDC Official Archive.
        • Description of Source: The NOAA Solar and Terrestrial Physics Division is responsible for managing this collection.
        • Temporal extent used: 1942-06-24 to 1960-12-30
      • Solar Imagery: Photosphere: Sunspot Drawings: McMath
      Acquisition Information (collection)
      Instrument
      Platform
      Last Modified: 2015-10-02
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