ICSTARS, Inc

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Welcome to the ICSTARS, Inc. and DayStar Filters online web store.


Save up to 25% off on DayStar's August Back to School Sale!

  • 25% off all Quantum filters
  • 20% off Calcium, Magnesium, and Sodium Quarks
  • 10% off Original and Combo Quarks

Hurry, this sale is for a limited time only! 


ICSTARS is a factory authorized reseller of DayStar Filters, Skylight Telescopes, and Moonglow Technologies products, as well as a source of other quality astronomical goods and services.

In stock items normally ship within 2-3 business days of receipt of payment.  Our USPS pickup is early in the morning, so add one extra day for USPS shipments.  For fastest delivery please choose the UPS next day or express options.

NOTE:
It has come to our attention that Hotmail, Verizon, and possibly other internet service providers are blocking our order receipt and status emails, incorrectly flagging them as spam.  If you do not receive a receipt or confirmation email from us, please contact our offices for order status information.

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New Products

  1. Quick view Daystar QUARK Magnesum I b2 line filter

    Daystar QUARK Magnesum I b2 line filter

    Regular Price: $1,295.00

    Special Price $1,036.00

  2. Quick view Daystar QUARK Sodium D line filter

    Daystar QUARK Sodium D line filter

    Regular Price: $1,295.00

    Special Price $1,036.00

  3. Quick view DayStar 25mm 1.25” Eyepiece (62°)

    DayStar 25mm 1.25” Eyepiece (62°)
    $99.99
  4. Quick view Daystar Spotting Scope QUARK Filter - Chromosphere

    Daystar Spotting Scope QUARK Filter - Chromosphere

    Regular Price: $1,195.00

    Special Price $1,075.50

  1. Quick view T to Canon adapter

    T to Canon adapter
    $34.50
  2. Quick view T to Nikon adapter

    T to Nikon adapter
    $34.50
  3. Quick view DS1MD 1.25" Diagonal

    DS1MD 1.25" Diagonal
    $59.00
  4. Quick view Quark 1.25" and 2" front silver snout pack

    Quark 1.25" and 2" front silver snout pack
    $59.00