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PrimaluceLab Radio astronomy: Introduction to invisible sky   Are you interested in radio astronomy? Do you want to know how do radio telescopes wo...

Astronomy Plus Neutral Density 1.25" Filter Set Neutral density filters are an essential tool for astronomers and astrophotographers, especially wh...

Astronomy Plus SCT Female to T2 Adapter  SCT Female ring to T2 (M42M) metallic adapter. Adds 55 mm of back spacing Technical Specifications Conn...

Astronomy Plus M42F to M54M Adapter M42F to M54M metallic adapter. Adds 0 mm of back Focus Technical Specifications Connection Side A M42 x 0.75...

Astronomy Plus M48F to M48F 6mm Adapter M48F to M48F metallic adapter. Adds 6 mm of back Focus Technical Specifications Connection Side A M48 x ...

Astronomy Plus SCT Male to M48M Adapter SCT Male to M48M metallic adapter. Adds 2mm of back Focus Technical Specifications Connection Side A SCT...

ADM DUAL Series Saddle. Slotted Hole Version for 8mm Fits many ADM Accessories mount adapters. Accepts both D Series and V Series dovetail bars. Th...

Astronomy Plus SCT Male to M42M Adapter SCT Male to M42M Adapter Metallic adapter. Adds 2mm of back Focus Technical Specifications Side A : SCT Ma...

ADM V Series 4" Universal Dovetail Bar Fits popular telescope mounts sold by Celestron, Meade, Orion, SkyWatcher, TeleVue, Vixen and more. Slotted ...

Guide Éclair - Poissons du Québec (FR) Dozens and dozens of species found in Quebec are illustrated and briefly explained in these small guides tha...

Explore Scientific iEXOS-100 Azimuth Adjuster Adapter The Azimuth Adjuster Adapter is designed for use on the Twilight Medium Duty or Twilight Heav...

iOptron iAFS Integrated Electronic Focuser Introducing the most versatile inline auto focuser: the iOptron iAFSTM focuser with iLockTM technology! ...

Wanderer Astro Losmandy Dovetail Bracket Kit (Long) For WandererCover/Eclipse   Notice: For Celestron CHD and RASA series, if you are not using an ...

ZWO ASI2600MM DUO Cooled Camera with Guiding Sensor  The ASI2600 MM Duo combines imaging and guiding sensors in one compact body. The main sensor i...

MK Controls Cables for Lightning Bug Plus NOTE: ALL Cables are compatible with both the Lightning Bug Plus™ and Lightning Bug™ units. * When buying...

Astronomy Plus M48M to M48M Adapter M48M to M48M Metallic adapter. Adds 2mm of back Focus Technical Specifications Side A : M48 x 0.75 Male Side B...

Explore Scientific Nebula Filter Oxygen III 1.25-inch   Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. ...

Explore Scientific Nebula Filter S-II 1.25-inch 12nm High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost a...

Explore Scientific HR Variable Coma Corrector (2-inch)   After hours at the eyepiece, you finally get to view the fruits of your astrophotography l...

Astro Hutech 3-point Finder & Guider Rings 72mm ID ID 72mm 159g per pair Includes 4 x M6 bolts Fully CNC-machined aluminum alloy For telescope...

Rouz Astro Lightweight Losmandy-Style Carbon Dovetail Lightweight Losmandy-Style Carbon Dovetail fiber composite dovetail for telescope accessories...

iOptron Carry Bag for Tripod  Top loading carry bag. Perfect for carrying an iOptron tripod, such as SkyHunter/SkyGuider Pro/SkyTracker Pro tripod ...

QHY QHY5III585M Mono USB 3.0 Camera QHY5III585M is a new generation of QHY5III V2 series planetary guide camera, which is an enhanced version of it...

Astronomy Plus M65*1 Metal Extension Tube Elevate your astronomy game with our Astronomy Plus M65x1 Metal Focal Length Extension Tube (TA458). Need...

Astronomy Plus M72x0.75 Metal Extension Tube Elevate your astronomy game with our Astronomy Plus M72*0.75 Metal Focal Length Extension Tube (TA456)...

Baader Classic Ortho 10mm Eyepiece Even before the disappearance of the famed Baader Genuine Orthoscopics, Baader Planetarium sought to develop a t...

Antlia ALP-T Dual band 3.5nm SII&Hb 2'' Filter Product Details The ALP-T dual band 3.5nm SII&Hb filter is a dual narrowband filter, w...

Unihedron Electromagnetic Radiation Spectrum Poster v2 This poster includes all known ranges of EMR including gamma rays, X-rays, ultraviolet light...

Explore Scientific 8.5mm 82° Series LER Waterproof Eyepiece With its long eye relief of 15mm, the 8.5mm LER ocular from Explore Scientific’s 82° Se...

Explore Scientific 52° Series 15mm Waterproof Eyepiece Solidly in the mid-magnification range for most amateur telescopes, the 15mm is a true workh...

Explore Scientific 2" 2X Focal Extender The Explore Scientific 2X Focal Extender (2.0-inch O.D.), accepts both 1.25-inch O.D. and 2.0-inch O.D. for...

Explore Scientific 6.5mm 82° Series LER Waterproof Eyepiece With its impressively long eye relief of 16.8mm, the 6.5mm LER ocular from Explore Scie...

Baader T-2 Stardiagonal (Zeiss) Prism with BBHS ® Coating T-2/90 ° diagonal prism (BaK4 glass) with 35mm free aperture terminal objective side: ...

Pegasus Astro M68 Male to M54 Female Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M54 Thread Pitch 0.75mm Technical...

Pegasus Astro M68 Male to M42 Male Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M42 Thread Pitch 0.75mm / 4mm length...