Skip to content

DayStar Quantum H-Alpha 0.4Å PE Solar Filter

by DayStar
Original price $27,990.00 - Original price $27,990.00
Original price
$27,990.00 - $27,990.00
Current price $27,990.00
In stock
In stock
In stock

Ships To: United States & Canada 🇺🇸 🇨🇦

✓ Free U.S. Shipping (on most orders over $150 USD)

✓ Price Match Available

✓ Authorized Dealer

✓ Bulk Order Discounts Available

✓ Questions? Call Us 1-800-860-3429

Ships In: 1-3 Business Days

Estimated Delivery Time: 3-7 Business Days

Shipping & Returns

We offer free U.S. shipping to the lower 48 States - on most orders over $150 USD. Some limitations apply.

Shipping fees will apply on most orders shipping across Canada, with some exceptions.

We offer a 30 Day Return Policy on most of the products that we carry.

For full details on our Shipping & Returns Policy, please click here.


The vast majority of products that we sell, with a few exceptions, are covered under Warranty.

To view the Warranty details for each brand that we sell, including products that do not qualify for Warranty, please visit here.

DayStar Quantum Hydrogen Alpha 0.4Å PE Solar Filter - .4QPE

Presenting the DayStar Quantum Hydrogen Alpha 0.4Å PE Solar Filter, meticulously engineered for precise capture of the Hydrogen Alpha line.

Designed for compatibility with refractors, SCTs, and Maksutovs, this comprehensive kit comprises front and rear plates, a reliable power supply, detailed instructions for seamless setup, and a robust protective case for secure transportation.

For optimal performance, consider adding an ERF or UV/IR cut filter, along with a Powermate Barlow or a stop-down mask (each sold separately). This combination ensures an ideal focal ratio range of F/27-F/35, unlocking the full potential of your solar observation experience.

Features & Highlights:

  • Precision Quantum Housing: Engineered meticulously to cater to the unique demands of modern solar astronomers. This housing integrates essential features with innovative additions, enhancing the overall user experience.
  • Effortless Operation: Operating the filter is remarkably straightforward. By simply plugging it in, a conspicuous green indicator light confirms that the filter is in its onband state.
  • Live LCD Readout: The housing incorporates a dynamic LCD display providing real-time readouts of the filter's wavelength output. Exceptionally precise, with measurements accurate down to an impressive 0.1Å, ensuring meticulous observations and studies.
  • Wavelength Tuning for Doppler Studies: Equipped with red and blue wing shift buttons, allowing meticulous tuning of the wavelength. A critical feature for conducting Doppler studies with utmost precision.
  • Versatile Power Source: The unit operates seamlessly on 12VDC, making it adaptable for field use or battery-powered operation. This adaptability ensures the filter's utility in a diverse range of settings and environments.
  • Comprehensive Power Supply Package: The Quantum housing is complemented by an extensive power supply package. This package encompasses a power supply compatible with a broad voltage range (100-240V) and includes adapter wall plates for US, European, UK, and Australian outlets, ensuring global compatibility.
  • Computer Control Capability: Featuring a serial port, the Quantum housing enables seamless computer control. This feature streamlines on-screen display of filter readouts, allowing for convenient and efficient data collection and analysis.
  • Streamlined Body Design for Easy Operation: The Quantum Series boasts a freshly designed body style prioritizing user-friendliness and operational simplicity. This design element ensures users can navigate and utilize the filter effortlessly.
  • SE Grade Series for Amateur and Academic Use: Tailored to meet the needs of most amateur astronomers and some academic applications, adhering rigorously to DayStar's stringent quality control standards. Suitable for both visual and select photographic environments.
  • PE Grade Series for Professional Research: Specifically designed for professional research studies necessitating the highest levels of precision in homogeneity and onband transmittance values across the substrate surface. These filters undergo additional rigorous quality control measures, extended fabrication, and testing processes, ensuring they meet the highest standards for accuracy and reliability

Screen-shot of DayStar Quantum Control for H-Alpha 0.4Å PE Solar Filter:

DayStar Quantum Hydrogen Alpha  0.4A PE Solar Filter .4QPE Quantum Control

      Filters with 0.4 Ångstrom bandwidths will reveal excellent surface contrast as well as fine chromosphere detail. Filaments are clearly depicted with a 0.4Å FWHM filter:

      DayStar Quantum Hydrogen Alpha  0.4A PE Solar Filter .4QPE .4 Angstrom Bandwidth


      What's Included:

      ✓ DayStar Quantum H-Alpha 0.4Å PE Solar Filter

      ✓ Front and Rear Plates

      ✓ Power Supply

      ✓ Protective Hard-Case

      ✓ Instructional Manual

      ✓ 5 Year Warranty


      SKU .4QPE
      Housing Quantum (Microprocessor controlled, works at all outside temps, requires power)
      Wavelength Hydrogen Alpha (6562.8Å)
      Bandwidth 0.4Å
      Uniformity PE (Professional Edition)

      DayStar Quantum Hydrogen Alpha 0.4Å PE Solar Filter Product Manual:

      Download the DayStar Quantum Hydrogen Alpha 0.4Å PE Solar Filter - .4QPE Product Manual

      Customer Reviews

      Be the first to write a review