ZWO Off-Axis Guider for Astrophotography

• 700 Maksutov-Cassegrain telescope with f/15 focal ratio provides high contrast views of the planets and lunar landscapes, perfect for serious planetary imagers and visual observers.
• Celestron’s premium StarBright XLT coatings ensure maximum light transmission.
• The CGEM II, with its 40 lbs load capacity, is the latest update to the venerable CGEM mount and provides a sturdy and rigid platform.
• The drive system, consisting of low cog DC Servo motors with integrated optical encoders, steel worm gears supported by precision sealed bearings, and brass worm wheels, ensures smooth and accurate slewing and tracking.
• Accessories included: 2” Visual Back, 2” Star Diagonal with 1.25” adapter, 28mm eyepiece (2”), 8x50 finderscope

• Celestron’s top-performing altazimuth telescope system, the CPC Deluxe HD is a favorite among experienced amateur astronomers and the preferred telescope of the late Stephen Hawking
• 11-inch EdgeHD optical tube provides stunning views and sharp astroimages free of visual defects
• NexStar+ hand control and internal GPS guides users through the simple SkyAlign setup and features a 40,000+ object database
• Sturdy dual fork arm mount with upgraded gears and motors anchors the telescope for superior tracking and pointing accuracy
• Ready for serious astroimaging, CPC Deluxe HD features All-Star Polar Alignment and Permanently Programmable Periodic Error Correction when equipped with the HD Pro Wedge

• 0.5x focal reducer cuts the telescopes focal length in 0.5 times of original's to get a wider field of view
• Fully anti-reflection coatings on all air-glass surfaces for increased contrast
• The focal reducer is great for visual use for a bigger FOV and is indispensable when CCD imaging
• Fully metal structure design;both the ends of the interface part is 28.5x0.6 thread
• Directly connect the interface to the eyepiece;there is a very good performance in both visual and photography

Fully multi-coated eyepiece

The SLV Series of eyepiece feature a hexagonal shaped eyepiece for adjusting to the most comfortable eye point for viewing. The SLV eyepieces with high grade Lanthanum glass, deliver remarkably clear and high constrast star images to the edge of the viewing circle. The lenses are fully multi-coated for high light transmission.

ZWO ASI120MM Mini USB2.0 Mono Guide Camera

• Its Powerful Performance Makes it Great for Guiding!
• Peak QE of Over 75%!
• Pixel Array: 1280 x 960.
• Pixel Size: 3.75 microns.
• Read Noise: 3.5e.

• Align and control your telescope wirelessly using your smartphone or tablet with Celestron’s exclusive, free SkyPortal app for iOS and Android devices.
• Tap any celestial object you see in the sky to identify it instantly. Tap again and your telescope slews to that object, centering it perfectly in the eyepiece.
• Explore 100,000+ objects in SkyPortal’s database. While you observe, view astroimages and listen to audio descriptions for hundreds of the most popular objects including the planets, Orion Nebula, Hercules Globular Star Cluster, and more.
• Sky Tour feature generates a list of all the best stars, galaxies and nebulae to view based on your exact time and location.
• WiFi module is compatible with all current Celestron computerized telescopes and select older models. Unit does not require batteries or external power.

• The Celestron SkyPortal app can only be used for telescope control when paired with the SkyPortal WiFi module.

Includes These Celestron Technologies

• Compact mini guide scope designed for use with astrophotography telescopes up to 1500mm focal length
• Mini 50mm guide scope with bright, wide-field optics puts numerous potential guide stars in view so you'll never have to search for one!
• Adjustable-aim dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily
• Very small and compact autoguiding system adds hardly any weight to an astrophotography setup and can conveniently be stashed in an accessory case between uses
• Designed for use with Orion StarShoot AutoGuider (sold separately) and other similar small-chip CCD autoguiders

• 127mm Maksutov-Cassegrain optical tube
• Multi-purpose alt-azimuth mount
• Adjustable height aluminum tripod with 1.25-inch diameter legs
• 11-pound payload capacity
• SynScan GoTo telescope mount with 42,900+ object database
• Built-in Wi-Fi
• Controlled with SynScan Pro app for iOS and Android
• Freedom Find™ dual-encoder technology
• DC operation (batteries not included)

• Cut-off depth ≥OD4; highly efficient in blocking urban light pollution or other background light; use this multi-bandpass filter for astrophotography in urban without traveling long distances to the suburbs;
• Compatible with 99% astrophotography systems; if you have different astrophotography systems, no need to prepare dedicated filters, one SV240 can meet your needs due to its high compatibility;
• Photoing more kinds of targets; SV240 multi-narrowband filter select Ha,OIII,H-Beta wavelength effectively can cover almost photoing needs;
• High transmittance; the >90% transmittance in core wavelength of Ha,OIII, H-Beta, more objects for your astrophotography by using this multi-bandpass filter;
• Multi-bandpass filters; without multiple filters' combination for colorful images; rich color in your lens;
• Resistant of BORTLE 8; the multi-narrowband filters can be resistant from Bortle 1 to Bortle 8 cities, suitable for almost all urban;
• 300-1100 mm working wavelength; the wider coverage of this multi-narrowband filter allows it to have a strong ability to tack light pollution.

Note: Optical filters that use infrared light often cause halos in the NIR region; which are exacerbated by the halos produced by the filter itself.

• SVBONY user adjustable laser collimator;allows anyone easily collimate 1.25'' and 2'' reflector telescopes;come with removable 2" adapter;built with metal material;make alignment no longer boring and time consuming
• Easy to use;accurate collimation in a few minutes provide a more clearer image;no longer have to go back forth;just watch the collimator from the mirror end of the scope and adjust the screws
• 7 brightness levels red laser beam;adjustable brightness;suit for different light conditions;amazing alignment in dark and day;so can get the better views possible from your reflector telescope
• Solid metal body;for a long term use;CR2032 battery included and comes with a full set of instructions with a step by step procedure on how to properly align a relfecting telescope
• Triple cemented of Lens;Improve the stability of red dot;Red laser with 7 brightness levels;Quick alignment;much faster than a manual collimator ; It's a great Halloween birthday christmas gift

الكتاب "الفلك من فناء منزلك" يهدف إلى تزويد القارئ بالمعلومات اللازمة لبدء مغامرته في رصد النجوم والفضاء. يشرح الكتاب بطريقة سهلة ومبسطة سبب حركة النجوم وكيفية استخدام التلسكوب. يندرج الكتاب تحت تصنيف الفلك والفضاء. ومن بين الكتب المشابهة لـ "الفلك من فناء منزلك" هي: - "الفلك للمبتدئين: دليلك المصور لدراسة السماء" لـ David J. Eicher. - "تعلم الفلك خطوة بخطوة" لـ Terence Dickinson. - "تصوّر الفضاء والفلك في العالم الإسلامي" لـ Nasser D. Khalili.

IR 850nm Pass Filter is suitable for IR sensitive cameras.

• Darkens the background during twilight.
• Imaging of bright planets, stars, and comets by day.
• Imaging of young stars in dust clouds and stellar nurseries.
• Filter thickness: 11mm.

• 6" Schmidt-Cassegrain optical tube assembly (OTA)
• Features Celestron's premium patented StarBright XLT optical coatings
• 1500 mm focal length (f/10)
• Tube constructed of durable and lightweight aluminum

• Provides a platform for coupling telescope optical tubes to Orion AstroView, SkyView Pro, Sirius, and Atlas equatorial (EQ) telescope mounts
• Attach telescope tube rings (sold separately) to the dovetail mounting plate for easy, no-tools attachment of the telescope to an Orion EQ mount
• Thirteen inch long plate is especially useful for longer focal length reflector and refractor telescopes
• Made of extruded, anodized aluminum
• Includes four optical axis offset adjustment screws

• Unlock rock-solid stability and organized observing with the Celestron NexStar Evolution Tripod. Adjustable legs, durable stainless steel, and a spacious accessory tray elevate your stargazing experience.
• Take your NexStar Evolution to new heights with the Field Tripod! This portable powerhouse offers unshakeable support and a convenient gear tray, keeping your eyes on the skies and your essentials at hand.
• Transform your backyard into a cosmic observatory with the Celestron Stellar Observation Platform. Designed for the NexStar Evolution, this heavy-duty tripod offers unwavering support and organized storage for unforgettable celestial journeys.

ZWO ASI2600MM Pro USB 3.0 Cooled Mono Astronomy Camera

• First monochrome APS-C sized modern cooled astronomy camera for capturing breathtaking photos of the night sky
• Uses Sony’s latest back-illuminated IMX571 APS-C format native 16-bit ADC sensor
• 26-megapixel camera with small 3.76μm pixels that also has the incredible ability to accommodate a large well depth of 50ke
• Dynamic range of up to 14 stops for capturing detailed color gradations
• Peak QE value of 91% for maximizing light-gathering ability