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DayStar Quark combo (for SCT, Mak, Lunette >F/15) - Chromosphere or Prominence

Name: DayStar Quark combo (pour SCT, Mak, Lunette >F/15) - Chromosphere ou Prominence - Deep space astronomy
Price: 1215 CHF
Availability: InStock

CHF 1'215

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DayStar Combo Quark H-Alpha - For SCT, Mak and F/15-F/30 refractors

The Quark Combo brings the simplicity and security of H-alpha solar observation to owners of SCT, Maksutov and long refractors (F/15-F/30). Choose your version Prominence or Chromosphere for the same price, and benefit from an all-in-one filter that's ready to use, lightweight and compact.

Presentation

The Quark Combo is an H-alpha "All-In-One" device that integrates :

Prominence or Chromosphere H-alpha filter (choice)
Integrated adapters for direct insertion into your telescope
Compact, lightweight design eliminates the need for additional adapters
AR surface treatments optimized for 656 nm and internal baffles for enhanced contrast
Low power consumption: can run all day with optional battery pack

Important: for SCT and Maksutov, the use of a specific energy rejection filter (ERF) is mandatory for safety and optimum performance.

Technical specifications

Type	H-alpha Combo Quark filter (Prominence or Chromosphere)
Compatibility	SCT, Maksutov, F/15-F/30 refractors
Eyepiece outlet	1.25″ standard, 1.25″ snout included + 2° off-axis adapter for ERF
Barlow / Optics	No integrated Barlow - 0 power, filter only
Blocking filter	Integrated, 25 mm
Clear aperture	21 mm
Power supply	USB 5 V 1.5 A, incl. 90-240 V mains adapter
Tuning	Wheels for wing shift ±0.5 Å with notches every 0.1 Å; LED status: power, warming, ready, fault
Warranty	5 years
Supplied box	Twist-Case for protection and transport
Observation	Full disk up to ~1800 mm focal length; no aperture limitation, use with SCT and Maks off-axis ERF
Optional accessories	8h battery pack

Prominence versus Chromosphere

Criteria	Prominence	Chromosphere
Bandwidth FWHM	Wider (>0.6 Å) - brighter	Narrower (<0.5 Å) - better surface contrast
Filaments	Difficult to observe	Visible and detailed
Protuberances	Very shiny blade	Visible but less brilliant
Contrast	Less contrast, brightness priority	High contrast, ideal for chromospheric detail
Recommended use	Quick visual observation	Detailed observation and astrophotography

Important instructions for SCT / Maksutov

SCT: use an off-axis front-mount ERF with aperture reduction to protect the secondary mirror.
Maksutov: ERF front-mount mandatory to avoid overheating the optical tube.
F/15-F/30 refractors: insert the Quark Combo directly into the RC, no additional adjustment required.

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