{"product_id":"redcat-51-asi2600mm-pro-mono-astrophotography-kit","title":"RedCat 51 Mono Astrophotography Kit with ASI2600MM Pro, LRGB \u0026 SHO Filters, AM3N or AM5N Mount","description":"\u003cp\u003eThe RedCat 51 Mono Astrophotography Kit is a complete, guided monochrome imaging system for LRGB and narrowband (SHO \/ Hubble palette) deep-sky imaging. It pairs the William Optics RedCat 51 WIFD III with the ZWO ASI2600MM Pro cooled monochrome camera, a 7-position electronic filter wheel filled with Optolong LRGB and 7nm SHO filters, and your choice of ZWO \u003cstrong\u003eAM3N\u003c\/strong\u003e or \u003cstrong\u003eAM5N\u003c\/strong\u003e harmonic mount.\u003c\/p\u003e\n\u003cp\u003eEverything runs from your phone or tablet with the ZWO ASIAIR Plus, including plate solving, autoguiding, autofocus, filter changes and multi-night imaging sequences.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is a complete astrophotography system, not a push-button smart telescope. Setup, polar alignment and image processing experience are required. Monochrome imaging takes more time and processing than color imaging, and rewards it with more detail and more control over the final image.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWilliam Optics RedCat 51 WIFD III, 250mm f\/4.9 Petzval APO (with Bahtinov mask cap, rings, dovetail and soft case)\u003c\/li\u003e\n\u003cli\u003eZWO ASI2600MM Pro (2025 model) cooled APS-C monochrome camera\u003c\/li\u003e\n\u003cli\u003eZWO 7-position electronic filter wheel for 2\" filters (2025 model)\u003c\/li\u003e\n\u003cli\u003eOptolong 2\" LRGB filter set (luminance, red, green, blue)\u003c\/li\u003e\n\u003cli\u003eOptolong 2\" 7nm SHO narrowband filter set (sulfur-II, hydrogen-alpha, oxygen-III)\u003c\/li\u003e\n\u003cli\u003eZWO harmonic mount with TC40 carbon fiber tripod: choose AM3N (17\/28 lb payload) or AM5N (33\/44 lb payload)\u003c\/li\u003e\n\u003cli\u003eZWO pier extension (PE160 with the AM3N, PE200 with the AM5N) and tripod carry case\u003c\/li\u003e\n\u003cli\u003eZWO ASIAIR Plus 256GB smart controller\u003c\/li\u003e\n\u003cli\u003eWilliam Optics UniGuide 32 guide scope\u003c\/li\u003e\n\u003cli\u003eZWO ASI220MM Mini guide camera\u003c\/li\u003e\n\u003cli\u003eZWO EAFN electronic autofocuser\u003c\/li\u003e\n\u003cli\u003eZWO 12V 10A AC power adapter\u003c\/li\u003e\n\u003cli\u003eOne 30-minute tech support session with the Mile High Astronomy team\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Setup\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll seven filter slots used.\u003c\/strong\u003e LRGB for galaxies, star clusters and natural-color images, plus Ha, OIII and SII for Hubble-palette narrowband. All seven filters stay installed, so you can switch between broadband and narrowband targets without touching the imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe go-to mono camera.\u003c\/strong\u003e The ASI2600MM Pro's 26MP APS-C IMX571 sensor is one of the most-used monochrome deep-sky cameras on AstroBin, with 16-bit output, zero amp glow and regulated cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband beats light pollution.\u003c\/strong\u003e 7nm narrowband filters let you capture emission nebulae from the city, under a bright Moon, or from Front Range suburbs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA proven wide-field scope.\u003c\/strong\u003e The RedCat 51 has a flat field across full-frame sensors and an internal focuser that holds focus through long filter sequences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmonic mount with guiding included.\u003c\/strong\u003e The imaging payload is roughly 10 lb, well within either mount's no-counterweight rating, and the UniGuide 32 with ASI220MM Mini provides the autoguiding that harmonic mounts need.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImaging Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal length \/ ratio\u003c\/th\u003e\n\u003ctd\u003e250mm, f\/4.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eField of view (ASI2600MM Pro)\u003c\/th\u003e\n\u003ctd\u003eapproximately 5.4° × 3.6°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImage scale\u003c\/th\u003e\n\u003ctd\u003eapproximately 3.1 arcseconds per pixel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCamera sensor\u003c\/th\u003e\n\u003ctd\u003eSony IMX571 APS-C monochrome, 6248 × 4176, 3.76µm pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilters\u003c\/th\u003e\n\u003ctd\u003eOptolong 2\" mounted: L, R, G, B, Ha 7nm, OIII 7nm, SII 7nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount payload (no counterweight)\u003c\/th\u003e\n\u003ctd\u003eAM3N: 17 lb \/ AM5N: 33 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eZWO ASIAIR app (iOS and Android)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You'll Need\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA phone or tablet with the free ASIAIR app\u003c\/li\u003e\n\u003cli\u003eImage processing software for combining filter channels (for example Siril, which is free, or PixInsight)\u003c\/li\u003e\n\u003cli\u003eAC power, or a 12V battery or portable power station for dark-site use (not included)\u003c\/li\u003e\n\u003cli\u003eOptional: a dew heater strap and controller for humid or cold nights\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eShould I choose a mono or a color camera?\u003c\/h3\u003e\n\u003cp\u003eMono cameras capture more detail per filter and excel at narrowband imaging from light-polluted areas, but each image takes more exposure time and processing. If you want simpler, faster results, see our \u003ca href=\"\/products\/redcat-51-asi2600mc-pro-color-astrophotography-kit\"\u003eRedCat 51 Color Astrophotography Kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eShould I choose the AM3N or the AM5N?\u003c\/h3\u003e\n\u003cp\u003eBoth carry this kit easily without counterweights. Choose the AM3N for the lightest, most portable setup. Choose the AM5N if you expect to add a larger telescope, such as an 80–100mm refractor, in the future.\u003c\/p\u003e\n\u003ch3\u003eWhat can I photograph with this kit?\u003c\/h3\u003e\n\u003cp\u003eThe 5.4° × 3.6° field of view suits large emission nebulae in narrowband, such as the Heart and Soul Nebulae, the North America and Pelican Nebulae, the Veil Nebula complex and the Rosette Nebula, and wide galaxies and clusters in LRGB, such as the Andromeda Galaxy and the Pleiades.\u003c\/p\u003e\n\u003ch3\u003eWhat is the SHO or Hubble palette?\u003c\/h3\u003e\n\u003cp\u003eSHO images map sulfur-II, hydrogen-alpha and oxygen-III light to red, green and blue, the same approach used for many Hubble Space Telescope images. It reveals structure in emission nebulae that broadband color cannot show.\u003c\/p\u003e\n\u003ch3\u003eDo I need a computer?\u003c\/h3\u003e\n\u003cp\u003eNot to capture images. The ASIAIR Plus runs the camera, filter wheel, mount, guiding and autofocus from your phone or tablet. You will need a computer to process and combine your images.\u003c\/p\u003e\n\u003ch3\u003eIs this a smart telescope?\u003c\/h3\u003e\n\u003cp\u003eNo. It is a modular imaging system that delivers far more detail and flexibility than smart telescopes, but it requires setup and processing experience. The included support session helps you get started.\u003c\/p\u003e\n","brand":"ZWO","offers":[{"title":"ZWO AM3N with TC40 Tripod","offer_id":49723527725315,"sku":"RC51-2600MM-AM3N-KIT","price":6499.0,"currency_code":"USD","in_stock":true},{"title":"ZWO AM5N with TC40 Tripod","offer_id":49723527790851,"sku":"RC51-2600MM-AM5N-KIT","price":7399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/redcat-51-mono-kit-am3n-whats-included.jpg?v=1790802434","url":"https:\/\/milehighastro.com\/products\/redcat-51-asi2600mm-pro-mono-astrophotography-kit","provider":"Mile High Astronomy","version":"1.0","type":"link"}