Call 800-422-7876
Products
Filters
- Accessory Kit (11)
- Accessory Tray (2)
- Adapter (25)
- Altazimuth Mount (10)
- Auto Guider (5)
- Barlow (15)
- Battery (9)
- Binocular (36)
- Binoviewer (1)
- Blocking Filter (1)
- Book (14)
- Cable (12)
- Camera (12)
- Camera Adapter (25)
- Camera Tracking Platform (10)
- Cap (9)
- Case (27)
- Chair (1)
- Cleaning (2)
- Collimator (18)
- Color Camera (17)
- Computer (7)
- Controller (2)
- Corrector (3)
- Counterweight (37)
- Counterweight Shaft (7)
- Cover (43)
- Dew Controller (3)
- Dew Heater (31)
- Dew Shield (78)
- Diagonal (17)
- Dovetail (55)
- Drive (7)
- Encoders (2)
- Equatorial Mount (33)
- Extension Tube (2)
- Eyepiece (191)
- Fan (1)
- Filter (57)
- Filter Adapter (1)
- Filter Wheel (8)
- Finder Base (9)
- Finder Bracket (5)
- Finderscope (29)
- Flashlight (7)
- Flattener (11)
- Focuser (23)
- Focuser Adapter (8)
- Focusing Aid (14)
- Gift Card (1)
- GPS (1)
- Guider (3)
- Guidescope (5)
- Hand Control (3)
- Handle (3)
- Illuminator (4)
- Image Erecting Diagonal (3)
- Knob (1)
- Microscope (1)
- Monochrome Camera (11)
- Moon Map (1)
- Mount (87)
- mount (1)
- Mount Accessory (19)
- Mount Adapter (15)
- Off Axis Guider (5)
- Phone Adapter (7)
- Pier (5)
- Pier Extension (13)
- Piggyback Adapter (5)
- Polar Finder (15)
- Power Supply (12)
- Red Dot Finderscope (3)
- Reducer (42)
- refractor (1)
- Saddle (7)
- Shroud (12)
- Slow Motion Cable (1)
- Smart Telescope (9)
- Solar Filter (27)
- Solar Finderscope (1)
- Solar Telescope (5)
- Solar Wedge (2)
- spa (1)
- Spacer (11)
- Spotting Scope (14)
- Star Charts (2)
- Star Diagonal (2)
- T-Ring (26)
- T-Shirt (1)
- Telescope (270)
- Tripod (25)
- Tube Holder (9)
- Tube Ring (2)
- Vibration Reduction (1)
- Visual Back (3)
- Wedge (5)
- WiFi (4)
- Wireless (2)
- Antares (17)
- Astro Media (2)
- Astro-Tech (137)
- Astrodon (1)
- Astronomics (5)
- Astrozap (123)
- Bob's Knobs (10)
- Bushnell (1)
- Cambridge Press (1)
- Celestron (339)
- Coronado (7)
- Datalizer (4)
- Explore Scientific (83)
- Firefly Press (1)
- iOptron (223)
- JMI (2)
- Losmandy (69)
- Lunt Solar Systems (14)
- Manfrotto (1)
- Meade (12)
- Olivon (2)
- Optolong (19)
- Pentax (24)
- Questar (83)
- question (2)
- Rigel Systems (5)
- SBIG (4)
- Sky Publishing (7)
- Sky-Watcher (103)
- Software Bisque (4)
- Starlight Instruments (22)
- Takahashi (56)
- TeleGizmos (42)
- TeleVue (175)
- Telrad (8)
- Thousand Oaks (29)
- Unistellar (7)
- Universal Astro (4)
- universe (1)
- Various Manufacturers (3)
- Vernonscope (13)
- Vixen (1)
- William Optics (1)
- ZWO (82)
- Astro-Tech CFT Refractor (1)
- Astro-Tech ED Refractors (6)
- Astro-Tech EDL Refractors (4)
- Astro-Tech EDP Refractor (1)
- Astro-Tech EDQ Refractors (3)
- Astro-Tech EDT Refractors (5)
- Astro-Tech EDX Refractors (2)
- Astro-Tech Imaging Newtonians (4)
- Astro-Tech Ritchey-Chretiens (9)
- Celestron Advanced VX (12)
- Celestron AstroMaster (8)
- Celestron CGEM II (9)
- Celestron CGX (10)
- Celestron CGX-L (9)
- Celestron CPC (6)
- Celestron EdgeHD Optical Tubes (4)
- Celestron LCM (2)
- Celestron NexStar Evolution (4)
- Celestron NexStar SE (4)
- Celestron NexStar SLT (4)
- Celestron Omni XLT (4)
- Celestron Optical Tube Assemblies (2)
- Celestron Origin (2)
- Celestron PowerSeeker (9)
- Celestron RASA Optical Tubes (5)
- Celestron SCT Optical Tubes (4)
- Celestron StarSense Explorer (11)
- Celestron Travel Scope (3)
- Explore Scientific APO Triplet Carbon Fiber (4)
- Explore Scientific APO Triplet FCD100 Carbon Fiber (5)
- Explore Scientific APO Triplets Essential Series (3)
- Explore Scientific AR Doublet (3)
- Explore Scientific Newtonian Reflectors (4)
- Explore Scientific Truss Dobsonians (4)
- Lunt Modular (2)
- Lunt Solar Telescopes (2)
- Questar 3.5” Maksutov Cassegrains (15)
- Questar 7” Maksutov Cassegrains (8)
- Sky-Watcher Espirit (4)
- Sky-Watcher GoTo Collapsible Dobsonians (5)
- Sky-Watcher Heritage Dobsonians (2)
- Sky-Watcher Maksutov Telescopes (7)
- Sky-Watcher Pro ED APO (7)
- Sky-Watcher StarTravel (2)
- Sky-Watcher Quattro Imaging Newtonians (4)
- Sky-Watcher Traditional Dobsonians (3)
- Sky-Watcher Truss Tube Collapsible Dobsonians (3)
- Sky-Watcher Virtuoso (3)
- Takahashi Epsilon (2)
- Takahashi FC (5)
- Takahashi FS (2)
- Takahashi FSQ (2)
- Takahashi TOA and TSA (3)
- TeleVue Doublet APO (5)
- TeleVue Nagler-Petzval APO (3)
- Unistellar Equinox (2)
- Unistellar EVscope (2)
- ZWO FF Series (5)
- ZWO Seestar (2)
- Astro-Tech Paradigm Dual ED (7)
- Astro-Tech PF (5)
- Astro-Tech UWA (7)
- Astro-Tech XWA (6)
- Celestron Luminos (6)
- Celestron Omni Plossls (8)
- Celestron Ultima Edge (4)
- Celestron X-Cel LX (7)
- Explore Scientific 100º (5)
- Explore Scientific 52º (9)
- Explore Scientific 62º (7)
- Explore Scientific 68º (6)
- Explore Scientific 82º (9)
- Explore Scientific 92º (2)
- Pentax XW (10)
- Pentax Zoom (2)
- Questar Brandons (6)
- TeleVue DeLites (9)
- TeleVue Delos (8)
- TeleVue Dioptrix (11)
- TeleVue Ethos (8)
- TeleVue Naglers (8)
- TeleVue Panoptics (5)
- TeleVue Plossls (8)
- Vernonscope Brandon (6)
- Vernonscope Brandon Flat Tops (6)
- Celestron Cometron (2)
- Celestron Nature DX (8)
- Celestron Outland (4)
- Celestron SkyMaster (11)
- Celestron Ultima (5)
- Celestron Upclose (10)
- iOptron HEM (9)
- iOptron HAE (11)
- iOptron HAZ (3)
- iOptron CEM (14)
- iOptron GEM (18)
- iOptron Photron (7)
- Unistellar Odyssey (2)
- iOptron Imaging Newtonian (3)
- Takahashi Mewlon (2)
- Up To 3mm (3)
- 3.1mm-5mm (20)
- 5.1mm-7mm (18)
- 7.1mm-10mm (22)
- 10.1mm-13mm (19)
- 13.1mm-16mm (21)
- 16.1mm-19mm (14)
- 19.1mm-21mm (8)
- 21.1mm-24mm (10)
- 24.1mm-27mm (9)
- 27.1mm and Up (28)
- Zoom (5)
- Up to 400mm (24)
- 401mm-800mm (95)
- 801mm-1200mm (54)
- 1201mm-1600mm (49)
- 1601mm-2000mm (6)
- 2001mm-2400mm (37)
- 2401mm-2800mm (22)
- 2801mm-3200mm (3)
- 3200mm and Up (6)
- Alt-Azimuth - Manual Control (32)
- Alt-Azimuth - GoTo (40)
- Alt-Azimuth - Motorized (13)
- Camera Tracking Platform (3)
- Dobsonian (23)
- Equatorial - Manual Control (12)
- Equatorial - GoTo (118)
- Equatorial - Motorized (2)
- Dual - AZ/EQ (22)
- No Mount Included - OTA Only (129)
- Tripod (8)
- Dobsonian - Computerized GoTo (2)
-
Original price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /
Celestron X-Cel LX 2X 3-Element Barlow for 1.25" Eyepieces 93529
CelestronIn Stock4.4 / 5.0
7 Reviews
This 2x Celestron X-Cel LX three-lens air-spaced fully multicoated 1.25" Barlow performs a lot more expensively than it costs . . .This Celestron X...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
Original price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /
Celestron X-Cel LX 3X 3-Element Barlow For 1.25" Eyepieces 93428
CelestronMore on the way4.7 / 5.0
3 Reviews
This three-power Celestron X-Cel LX 1.25" Barlow is an air-spaced three-lens fully multicoated Barlow that provides premium optical performance at ...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
Original price $4,399.00 - Original price $4,399.00Original price$4,399.00$4,399.00 - $4,399.00Current price $4,399.00| /
CGEM DX 1100 HD 11" SCT with EdgeHD high definition ptics
CelestronSold Out5.0 / 5.0
2 Reviews
This product has been discontinued and is here for informational purposes only. The Celestron CGEM DX 1100HD - a double Sky & Telescope Hot Pr...
View full detailsOriginal price $4,399.00 - Original price $4,399.00Original price$4,399.00$4,399.00 - $4,399.00Current price $4,399.00| /Sold out -
Original price $6,999.00 - Original price $6,999.00Original price$6,999.00$6,999.00 - $6,999.00Current price $6,999.00| /
CGEM DX 1400 HD 14" SCT with EdgeHD high definition optics
CelestronSold OutThis product has been discontinued and is here for informational purposes only. The Celestron CGEM DX 1400HD - a double Sky & Telescope Hot Pro...
View full detailsOriginal price $6,999.00 - Original price $6,999.00Original price$6,999.00$6,999.00 - $6,999.00Current price $6,999.00| /Sold out -
Original price $12.95 - Original price $12.95Original price$12.95$12.95 - $12.95Current price $12.95| /
Cloudy Nights Logo TShirt Long Sleeve Small
AstronomicsSold OutSupport your favorite astronomy forum with this navy blue long sleeve logo t-shirt.
Original price $12.95 - Original price $12.95Original price$12.95$12.95 - $12.95Current price $12.95| /Sold out -
Original price $79.99 - Original price $79.99Original price$79.99$79.99 - $79.99Current price $79.99| /
Coronado 18mm CEMAX 1.25" Eyepiece Enhanced for Solar Viewing
CoronadoSold OutThis product is discontinued and no longer for sale. This is here for informational purposes only. The 18mm CEMAX eyepiece was designed to optimiz...
View full detailsOriginal price $79.99 - Original price $79.99Original price$79.99$79.99 - $79.99Current price $79.99| /Sold out -
Original price $1,099.00 - Original price $1,099.00Original price$1,099.00$1,099.00 - $1,099.00Current price $1,099.00| /
Coronado SolarMax 40mm H-Alpha Filter with T-Max and 10mm Blocking Filter | Under 1000mm Focal Length
CoronadoSold OutThis product is discontinued and no longer for sale. This is here for informational purposes only. This 40mm aperture H-alpha filter can be used w...
View full detailsOriginal price $1,099.00 - Original price $1,099.00Original price$1,099.00$1,099.00 - $1,099.00Current price $1,099.00| /Sold out -
Original price $1,299.00 - Original price $1,299.00Original price$1,299.00$1,299.00 - $1,299.00Current price $1,299.00| /
Coronado SolarMax 40mm H-Alpha Filter with T-Max and 15mm Blocking Filter | Under 1500mm Focal Length
CoronadoSold OutThis product is discontinued and no longer for sale. This is here for informational purposes only. This 40mm aperture H-alpha filter can be used w...
View full detailsOriginal price $1,299.00 - Original price $1,299.00Original price$1,299.00$1,299.00 - $1,299.00Current price $1,299.00| /Sold out -
Original price $2,499.00 - Original price $2,499.00Original price$2,499.00$2,499.00 - $2,499.00Current price $2,499.00| /
Coronado SolarMax 60mm H-Alpha Filter with T-Max & 30mm 2" Blocking Filter | Under 3000mm Focal Length
CoronadoSold OutThis product is discontinued and no longer for sale. This is here for informational purposes only. This 60mm aperture H-alpha filter can be used w...
View full detailsOriginal price $2,499.00 - Original price $2,499.00Original price$2,499.00$2,499.00 - $2,499.00Current price $2,499.00| /Sold out -
Original price $1,399.00 - Original price $1,399.00Original price$1,399.00$1,399.00 - $1,399.00Current price $1,399.00| /
Coronado SolarMax 60mm H-Alpha Filter with T-Max and 10mm Blocking Filter | Under 1000mm Focal Length
CoronadoSold OutThis product is discontinued and no longer for sale. This is here for informational purposes only. This 60mm aperture H-alpha filter can be used w...
View full detailsOriginal price $1,399.00 - Original price $1,399.00Original price$1,399.00$1,399.00 - $1,399.00Current price $1,399.00| /Sold out -
Original price $1,599.00 - Original price $1,599.00Original price$1,599.00$1,599.00 - $1,599.00Current price $1,599.00| /
Coronado SolarMax 60mm H-Alpha Filter with T-Max and 15mm Blocking Filter | Under 1500mm Focal Length
CoronadoSold Out5.0 / 5.0
1 Review
This product is discontinued and no longer for sale. This is here for informational purposes only. This 60mm aperture H-alpha filter can be used w...
View full detailsOriginal price $1,599.00 - Original price $1,599.00Original price$1,599.00$1,599.00 - $1,599.00Current price $1,599.00| /Sold out -
Original price $39.99 - Original price $39.99Original price$39.99$39.99 - $39.99Current price $39.99| /
Coronado Zero Length Adapter for SM60/30 and SM90/30
CoronadoSold OutThis product is discontinued and no longer for sale. This is here for informational purposes only. The Zero Length Adapter reduces a 2" focuser or...
View full detailsOriginal price $39.99 - Original price $39.99Original price$39.99$39.99 - $39.99Current price $39.99| /Sold out -
Original price $1,399.00 - Original price $1,399.00Original price$1,399.00$1,399.00 - $1,399.00Current price $1,399.00| /
Deep Sky Imager (Dsi) Iv - Color
MeadeSold Out4.0 / 5.0
1 Review
This product is discontinued and no longer for sale. This is here for informational purposes only. The acclaimed Deep Sky Imager (DSI) camera seri...
View full detailsOriginal price $1,399.00 - Original price $1,399.00Original price$1,399.00$1,399.00 - $1,399.00Current price $1,399.00| /Sold out -
Original price $1,199.00 - Original price $1,199.00Original price$1,199.00$1,199.00 - $1,199.00Current price $1,199.00| /
Deep Sky Imager (Dsi) Iv - Mono
MeadeSold OutThis product is discontinued and no longer for sale. This is here for informational purposes only. The acclaimed Deep Sky Imager (DSI) camera seri...
View full detailsOriginal price $1,199.00 - Original price $1,199.00Original price$1,199.00$1,199.00 - $1,199.00Current price $1,199.00| /Sold out -
Original price $27.95 - Original price $27.95Original price$27.95$27.95 - $27.95Current price $27.95| /
Dew Shield Plus For Telrad (allows right angle viewing)
TelradIn Stock4.0 / 5.0
2 Reviews
This lightweight plastic dew shield allows using the Telrad without having to turn your head upside down to see through it when observing at the ze...
View full detailsOriginal price $27.95 - Original price $27.95Original price$27.95$27.95 - $27.95Current price $27.95| / -
Original price $6.95 - Original price $6.95Original price$6.95$6.95 - $6.95Current price $6.95| /
Dew-Resistant Messier Card
Sky PublishingMore on the way5.0 / 5.0
1 Review
This 12" x 9" quick-reference sky chart shows the location of all 109 Messier objects on the front, a great help for binocular astronomers. It tabu...
View full detailsOriginal price $6.95 - Original price $6.95Original price$6.95$6.95 - $6.95Current price $6.95| / -
Original price $850.00 - Original price $850.00Original price$850.00$850.00 - $850.00Current price $850.00| /
Dual ring tube holder for TOA-150, with bridge TKA32420
TakahashiSold OutThis set of die cast tube rings is for mounting the 5.9" Takahashi TOA-150 refractor on an equatorial mount, although it can also be used for any o...
View full detailsOriginal price $850.00 - Original price $850.00Original price$850.00$850.00 - $850.00Current price $850.00| /Sold out -
Original price $99.00 - Original price $99.00Original price$99.00$99.00 - $99.00Current price $99.00| /
Dust cover for horizontally-parked Meade 12" LightBridge Dobsonian
TeleGizmosIn StockThis Telegizmos cover will protect your 12" Meade LightBridge truss tube Dobsonian reflector when it is parked in a horizontal position.This Telegi...
View full detailsOriginal price $99.00 - Original price $99.00Original price$99.00$99.00 - $99.00Current price $99.00| / -
Original price $229.99Original price $229.99 - Original price $229.99Original price $229.99Current price $179.94$179.94 - $179.94Current price $179.94| /
Explore Scientific 32mm 62° 2" Waterproof Eyepiece
Explore ScientificIn Stock4.0 / 5.0
1 Review
Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-elem...
View full detailsOriginal price $229.99Original price $229.99 - Original price $229.99Original price $229.99Current price $179.94$179.94 - $179.94Current price $179.94| /Save $50.05 Save $0.00 -
Original price $49.99 - Original price $49.99Original price$49.99$49.99 - $49.99Current price $49.99| /
Explore Scientific 1.25" 0.9 Neutral Density Filter 13% Transmission
Explore ScientificIn Stock1.25" Diameter Filter Works best in 6-8 inch telescopes Get more out of your lunar observing This Explore Scientific ND9 neutral gray filter redu...
View full detailsOriginal price $49.99 - Original price $49.99Original price$49.99$49.99 - $49.99Current price $49.99| / -
Original price $649.95 - Original price $649.95Original price$649.95$649.95 - $649.95Current price $649.95| /
Explore Scientific 10" f/5 Hybrid Truss Dobsonian Telescope
Explore ScientificIn StockGet ready to get under the night sky with this awesome 10" Hybrid Truss Dobsonian from Explore Scientific. No telescope type has changed the hobby ...
View full detailsOriginal price $649.95 - Original price $649.95Original price$649.95$649.95 - $649.95Current price $649.95| / -
Original price $1,089.99 - Original price $1,089.99Original price$1,089.99$1,089.99 - $1,089.99Current price $1,089.99| /
Explore Scientific 10" Truss Tube Dobsonian Telescope Generation II
Explore ScientificMore on the way5.0 / 5.0
1 Review
Enjoy the heavens with this large, yet portable, Explore Scientific 10" Truss Dobsonian. No telescope type has changed the hobby quite as much as t...
View full detailsOriginal price $1,089.99 - Original price $1,089.99Original price$1,089.99$1,089.99 - $1,089.99Current price $1,089.99| / -
Original price $1,099.99 - Original price $1,099.99Original price$1,099.99$1,099.99 - $1,099.99Current price $1,099.99| /
Explore Scientific 102mm f/7 "Essential Series" FCD-1 ED Triplet Refractor
Explore ScientificIn Stock4.8 / 5.0
8 Reviews
This 102mm (4") Explore Scientific Essential Series air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a su...
View full detailsOriginal price $1,099.99 - Original price $1,099.99Original price$1,099.99$1,099.99 - $1,099.99Current price $1,099.99| / -
Original price $2,249.99 - Original price $2,249.99Original price$2,249.99$2,249.99 - $2,249.99Current price $2,249.99| /
Explore Scientific 102mm f/7 Carbon Fiber FCD100 ED Triplet Refractor
Explore ScientificIn Stock5.0 / 5.0
5 Reviews
This 102mm (4") Explore Scientific Carbon Fiber air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a surpri...
View full detailsOriginal price $2,249.99 - Original price $2,249.99Original price$2,249.99$2,249.99 - $2,249.99Current price $2,249.99| /