Clear Sky Chart

  • Sponsors
  • Sponsors

    Sponsors are remarkably wise and kind people who have contributed money to help defray the costs of generating clear sky charts from (free) CMC data. They have my deepest thanks:

    Winer Observatory

    Friends of Beacon Field Airport
    Joseph TrerotolaAnonymous
    Dr. John SohlKaushik IyerKok Chen
    Michael RudyJustin BailoJane Houston Jones and Morris jones
    Southern Maryland Astronomical SocietyDavid McDavid
    Bert StevensDr. Michael W. RidenhourTiffiny Mansouri
    BigMailer.ioThomas WroblewskiTim Kearsley
    Wolf Creek ObservatoryJnani CevvelJim Woods
    Joseph & Amy GallowayMax MitchellLKappukatt
    Eric RachutSteve AltstadtHans Flaatrud
    Southern California Desert Video AstronomersSteve Altic
    The Wilkersons of PittsburghWilliam C. BrysonJohn Harris
    Richard SeelySteven SchlagelRASC Ottawa Centre
    Jane GnassJay and Maureen Huston
    of Long Mountain Ranch
    Matrix Engineering, Inc
    Industrial, Institutional and Commercial Electrical Engineering
    Roger MenardJerry Spevak
    David ONeillVictoria woodsFrank Willburn
    UConn PhysicsMichael Rosolina
    Aaron QuickJimmy Deetman
    Oleg RumiancevRob & Theresa BritschgiRoxanne Kamin
    Dave & RobertPaul Dawson

    RASC Toronto Centre
    Naperville Astronomical AssociationAce Printing NewfoundlandRJH Photography
    Texas Astronomical Society
    Beth Colyear
    Tim Povlick
    Santaluz Observatory
    Sue and Alan FrenchPhilip Massey
    Mark MannerPlumas Lake Observatory
    Ekim UnalDavid T. and Jean M. Long
    The Noroads GarageChris Webbdeepskyobjects.com
    Amateur Telescope Makers of BostonAndy Schlei

    Face The Outdoors Auora Viewing Lodge Tours
    Sate Consulting LLCCity Lights BookstoreZack Whaley
    Yves BarriereBilly and Domitta GladsonValley of the Moon Observatory Association
    Tracy TuttleTom NevilleTodd Kunioka
    Tom JaegerRIP AmigoTri-Valley Stargazers Astronomy Club
    Tom Hoffelder
    Stuart Alldritt
    Sun City Astronomers

    Salt Lake Astronomical Society
    Kerrigan Singer
    and
    Ridley Singer
    Deep Springs CollegeBob PittRiverside Astronomical Society
    RASC Halifax CentrePedroPeter Zsenits
    Paul D ClarkeActon Sky PortalOregon Star Party Commitee
    Oscar EcheverriNorthern Cross Science FoundationNick Lloyd
    Robert & Elaine WhiteGinny Stumborg-RosinRobert & Erika Moon
    and the
    IAS
    Rhonda Weeks
    Mike Wirths

    Gardner Camp Youth Astronomy Club
    Michael PersonMichael Collins
    Mark WarrenMark SimmonsUberclock
    Mark BiersackMark Hanning-LeeMartin Wilson
    Martin FlynnNoah AlbersStephen Craig
    Luke EdensLiang MingLauren Weiss
    Kyle GoodwinRASC Calgary CentreKlaus Peltsch
    Nature Friend MagazineKevin & Carmen KasnerKenneth Stallard
    Ken SabatiniKayla Vasquez
    Karen Miller SLCJustin HendricksJuno Porter
    John R. CrillySnake Wash Farms ObservatoryJoseph Geiger
    Joseph ComeauJohn & Cathy MooreJoel E. Guthals
    David M. DouglassJim & Terry TurnerJerry Hilburn
    Jerome HollonJerel Smith
    Jeff AlfeldJim & Lisa McKayJames Munson
    Jim MazurJames PondJohn W. Palmieri
    Herman ZwirnHarry SarberHai Du
    Steven LJ RussoSteve CariddiSteve Johnson, PhD
    George PalermoGene and Charlotte DupreeGary D. Maupin
    David Musser
    Gloucester Area Astronomy Club
    Gailen MarshallGaboury BenoitFrank M. Klicar
    A member of the Saint Petersburg Astronomy Club.
    Eric Laflamme
    N3DXW & N3EDStarfront Observatories DiscordDiego Gomez
    Derek Archer
    Indiana Astronomical Society
    David PetterssonEyes on the SkyDave LoPresti
    Don PensackDodie ReaganDave Hasenauer
    David OesperD. Craig TupperDee Jay Randall
    Connor NessColin Orion ChandlerColin Orion Chandler
    Christopher AzarChippewa Valley Astronomical SocietyCharles S Morris
    Cary MacWilliamsClaude Duplessis
    Cameron County Recreation, PABuffalo Astronomical AssociationBrian M. Carroll
    Brian CombsBrendan BronzanBob Hillier
    Birmingham Astronomical Society
    In memory of Mike Miller
    BillRBen Lutch
    Bruce C Taylor

    Astronomical Society of Northern New England
    Astronomical Society of Long Island
    Arrowhead Astronomical Society (Duluth,MN)Anthony ScandurraAndre Vaillancourt
    The Unfrozen Caveman AstronomerAlexandre KoukarineAlbany Area Amateur Astronomers
    Alan & Pamela

    Why did people sponsor?

    Because they were fine people!

    We'd like to thank everyone who has given money to support cleardarksky.com/Clear Sky Charts. However, to simplify bookkeeping, taxes, maintenance and code complexity, effective immediately no more money for sponsorships will be accepted and existing subscriptions will be cancelled.

    Stay tuned for more news on how sponsored features will work in the future.

    If you still want to express your appreciation financially, please donate to the Wellspring Cancer Support Foundation, at https://give.wellspring.ca/give-wcsf-paypal

    Clear Sky Chart Home | Clear Dark Sky Homepage
    Copyright 2026 Attilla Danko
    Page is on server1.