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File:Ritchey–Chrétien imaging in a tennis court.jpg

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Captions

Captions

A Ritchey–Chrétien telescope images the Dumbbell Nebula in a tennis court in Madison, WI, behind the backdrop of Sagittarius and Scorpius.

Summary

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Description
English: This is my home base for narrowband and infrared imaging. You can see me going wild with the glow-in-the dark tape on the OTA, focuser, and pier extension, to help with visibility in dark sky sites. The Milky Way can be faintly seen in Sagittarius, along with the head of Scorpius to the west.

Setup

  • OTA: Apertura CarbonStar RC8 (203 mm f/8 Ritchey–Chrétien)
  • Mount: Sky-Watcher Wave 150i (strain wave German equatorial mount)
  • Camera: Touptek ATR533M (Sony IMX533 monochrome CMOS sensor) with tilt plate
  • Filter wheel: Touptek AFW-M (8-position wheel supporting 1.25" and 36 mm filters)
  • Filters: Touptek 1.25" LRGB, Touptek 6.5 nm SHO, SVBONY SV183 685 nm IR pass
  • Off-axis guider: SVBONY SV238 OAG
  • Guide camera: Player One Xena-M (IMX178 version)
  • Focuser: Apertura rack and pinion Cassegrain focuser with Gemini electronic autofocuser
  • Control: MeLe Quieter 4C running NINA, GS Server, PHD2, and ASTAP
  • Other accessories: Z-Bolt 525 nm laser in right Synta finder bracket
  • Target: M27 (Dumbbell Nebula)
Español: Este es mi centro de operaciones para la astrofotografía de banda estrecha e infrarroja. Como pueden ver, estoy usando cinta fosforescente en el tubo óptico, el enfocador y la extensión del soporte para mejorar la visibilidad en cielos oscuros. La Vía Láctea se puede observar tenuemente en Sagitario, junto con la cabeza de Escorpio al oeste.

Configuración

  • OTA: Apertura CarbonStar RC8 (203 mm f/8 Ritchey–Chrétien)
  • Montura: Sky-Watcher Wave 150i (montura ecuatorial alemana de onda de tensión)
  • Cámara: Touptek ATR533M (sensor CMOS monocromo Sony IMX533) con placa basculante
  • Rueda de filtros: Touptek AFW-M (rueda de 8 posiciones compatible con filtros de 1,25" y 36 mm)
  • Filtros: Touptek LRGB de 1,25", Touptek SHO de 6,5 nm, SVBONY SV183 de paso infrarrojo de 685 nm
  • Guía fuera de eje: SVBONY SV238 OAG
  • Cámara de guía: Player One Xena-M (versión IMX178)
  • Enfocador: Enfocador Cassegrain de cremallera y piñón Apertura con autoenfocador electrónico Gemini
  • Control: MeLe Quieter 4C con NINA, GS Server, PHD2 y ASTAP
  • Otros accesorios: Láser Z-Bolt de 525 nm en el soporte derecho del buscador Synta
  • Objetivo: M27 (Nebulosa de la Mancuerna)
Date
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Author Brainandforce

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Date/TimeThumbnailDimensionsUserComment
current17:33, 24 April 2026Thumbnail for version as of 17:33, 24 April 20266,000 × 4,000 (6.2 MB)Brainandforce (talk | contribs)Improved contrast/saturation
16:32, 22 April 2026Thumbnail for version as of 16:32, 22 April 20266,000 × 4,000 (5.22 MB)Brainandforce (talk | contribs)Removed hot pixels and fixed rotation
20:06, 20 April 2026Thumbnail for version as of 20:06, 20 April 20266,000 × 4,000 (5.25 MB)Brainandforce (talk | contribs)Uploaded own work with UploadWizard

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