Skip to content

Sales

Filters

Save 25% Save %
$484.00
$484.00 - $484.00
$484.00
$363.00
$363.00 - $363.00
$363.00

Astrodon H-alpha Filter - 5nm

DON-HA5_31R
Only 1 left!

H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...

View full details
$484.00
$484.00 - $484.00
$484.00
$363.00
$363.00 - $363.00
$363.00
Save 25% Save %
Save 25% Save %
$484.00
$484.00 - $484.00
$484.00
$363.00
$363.00 - $363.00
$363.00

Astrodon SII Filter - 5nm

DON-SII5_31R
Only 1 left!

If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...

View full details
$484.00
$484.00 - $484.00
$484.00
$363.00
$363.00 - $363.00
$363.00
Save 25% Save %
Save 25% Save %
$283.00
$283.00 - $283.00
$283.00
$212.00
$212.00 - $212.00
$212.00

Baader 4nm 1.25" Ultra-Narrowband OIII Filter - CMOS-Optimized (USED)

BAA-2961400-125-USED
Only 1 left!

In perfect condition, used Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmo...

View full details
$283.00
$283.00 - $283.00
$283.00
$212.00
$212.00 - $212.00
$212.00
Save 25% Save %
Save 25% Save %
$193.00
$193.00 - $193.00
$193.00
$144.00
$144.00 - $144.00
$144.00

Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)

BAA-2961100-36-OPENBOX
Only 1 left!

In perfect condition, open box Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems...

View full details
$193.00
$193.00 - $193.00
$193.00
$144.00
$144.00 - $144.00
$144.00
Save 25% Save %
Save 31% Save %
$306.16
$306.16 - $306.16
$306.16
$209.94
$209.94 - $209.94
$209.94

Baader LRGB 31mm Unmounted Filter Set (OPEN BOX)

BAA-2459474-OPENBOX
Only 1 left!

In perfect condition, open box Filter size 31 mm - round, unmounted - filter thickness 2 mm Set of L-R-G-B filters High-quality anti-reflective ...

View full details
$306.16
$306.16 - $306.16
$306.16
$209.94
$209.94 - $209.94
$209.94
Save 31% Save %
Save 22% Save %
$26.64
$26.64 - $26.64
$26.64
$20.88
$20.88 - $20.88
$20.88

Baader T-Ring Nikon - T-2 - Used

U-BAA-2408300
Only 1 left!

Like new! Baader T-Ring to connect Nikon DSLR cameras onto the Astro T-2 system Results in the standard exact distance of 55.0mm from the front fac...

View full details
$26.64
$26.64 - $26.64
$26.64
$20.88
$20.88 - $20.88
$20.88
Save 22% Save %
$4,299.00 - $4,299.00
$4,299.00
$4,299.00 - $4,299.00
$4,299.00

Celestron CPC 1100 GPS (XLT) Computerized Telescope

CEL-11075-XLT

11" (279.4mm) Schmidt-Cassegrain Optical Tube Assembly 1593x Light Gathering Power for Bright Deep-Sky Views 0.42 Arc Second Dawes Limit Resolutio...

View full details
$4,299.00 - $4,299.00
$4,299.00
$4,299.00 - $4,299.00
$4,299.00
$2,799.00 - $2,799.00
$2,799.00
$2,799.00 - $2,799.00
$2,799.00

Celestron CPC 800 GPS (XLT) Computerized Telescope

CEL-11073-XLT

8" (203.2mm) Schmidt-Cassegrain Optical Tube Assembly 2032mm Focal Length at f/10 Computerized Dual Fork Arm Alt-Azimuth Mount Internal 16-Channel...

View full details
$2,799.00 - $2,799.00
$2,799.00
$2,799.00 - $2,799.00
$2,799.00
$3,499.00 - $3,499.00
$3,499.00
$3,499.00 - $3,499.00
$3,499.00

Celestron CPC 925 GPS (XLT) Computerized Telescope

CEL-11074-XLT

235mm (9.25") Schmidt-Cassegrain Optical Tube Fully Computerized Dual Fork Arm Alt-Azimuth Mount Internal 16-Channel GPS for automatic alignment d...

View full details
$3,499.00 - $3,499.00
$3,499.00
$3,499.00 - $3,499.00
$3,499.00
$5,499.00 - $5,499.00
$5,499.00
$5,499.00 - $5,499.00
$5,499.00

Celestron CPC Deluxe 1100 HD Computerized Telescope

CEL-11009

11" (279.4mm) EdgeHD Optical Design 2800mm Focal Length at f/10 42mm Image Circle for Full-Frame Sensors Computerized Dual Fork Arm Alt-Az Mount I...

View full details
$5,499.00 - $5,499.00
$5,499.00
$5,499.00 - $5,499.00
$5,499.00
$3,399.00 - $3,399.00
$3,399.00
$3,399.00 - $3,399.00
$3,399.00

Celestron CPC Deluxe 800 HD Computerized Telescope

CEL-11007

8" (203.2mm) EdgeHD Optical Design 2032mm Focal Length at f/10 42mm Optimized Image Circle for Full-Frame Sensors Computerized Dual Fork Arm Alt-A...

View full details
$3,399.00 - $3,399.00
$3,399.00
$3,399.00 - $3,399.00
$3,399.00
$4,499.00 - $4,499.00
$4,499.00
$4,499.00 - $4,499.00
$4,499.00

Celestron CPC Deluxe 925 HD Computerized Telescope

CEL-11008

235mm (9.25") EdgeHD Aplanatic Schmidt-Cassegrain Optics 2350mm Focal Length at f/10 Optimized 42mm Image Circle for Full-Frame Sensors StarBright...

View full details
$4,499.00 - $4,499.00
$4,499.00
$4,499.00 - $4,499.00
$4,499.00
Save 38% Save %
$2,069.73
$2,069.73 - $2,069.73
$2,069.73
$1,287.19
$1,287.19 - $1,287.19
$1,287.19

Celestron Nexstar 6SE kit with lots of accessories - Used

U-CEL-11068
Only 1 left!

This used kit comes with: Nexstar 6SE telescope, mount and tripod Celestron Padded carrying case Celestron 2" Dieletric diagonal with twist lock C...

View full details
$2,069.73
$2,069.73 - $2,069.73
$2,069.73
$1,287.19
$1,287.19 - $1,287.19
$1,287.19
Save 38% Save %
Save 20% Save %
$174.94
$174.94 - $174.94
$174.94
$140.38
$140.38 - $140.38
$140.38

Celestron PowerTank Lithium - Used

U-CEL-18771
Only 1 left!

Like new!Features Portable power pack for your computerized Celestron telescope using Lithium-Iron Phosphate (LiFePO4) chemistry Powers your telesc...

View full details
$174.94
$174.94 - $174.94
$174.94
$140.38
$140.38 - $140.38
$140.38
Save 20% Save %
Save 22% Save %
$110.15
$110.15 - $110.15
$110.15
$85.67
$85.67 - $85.67
$85.67

Celestron X-Cel LX 9 mm - 1.25" - Used

U-CEL-93423
Only 1 left!

Like new!Features X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens syst...

View full details
$110.15
$110.15 - $110.15
$110.15
$85.67
$85.67 - $85.67
$85.67
Save 22% Save %
Sold out
$2,015.74
$2,015.74 - $2,015.74
$2,015.74
$1,079.86
$1,079.86 - $1,079.86
$1,079.86

Coronado SolarMax II 60mm Solar H-alpha Telescope with BF10 - Used

U-COR-SOLARMAX60II

In good condition, comes with BF10, one CEMAX 25mm eyepiece, one 18mm CEMAX eyepiece, one CEMAX 2x barlow and the original hard case. <0.7 Angs...

View full details
$2,015.74
$2,015.74 - $2,015.74
$2,015.74
$1,079.86
$1,079.86 - $1,079.86
$1,079.86
Sold out
Save 6% Save %
$755.90
$755.90 - $755.90
$755.90
$712.71
$712.71 - $712.71
$712.71

Explore Scientific 10-inch Dobsonian Reflector Telescope - Open Box

U-ES-ON25447
Only 1 left!

This telescope is a return, being returned due to its size. It was assembled, the client found it too big, then disassembled and returned. Designe...

View full details
$755.90
$755.90 - $755.90
$755.90
$712.71
$712.71 - $712.71
$712.71
Save 6% Save %
Save 25% Save %
$59.99
$59.99 - $59.99
$59.99
$45.00
$45.00 - $45.00
$45.00

Explore Scientific 50mm Finder Scope Rings - Standard Height

ES-FNDRRGSSTD

Explore Scientific finder-scope rings are all made for 50mm finders. Choose from a classic low profile bracket (about an inch tall), one that is a ...

View full details
$59.99
$59.99 - $59.99
$59.99
$45.00
$45.00 - $45.00
$45.00
Save 25% Save %
Save 28% Save %
$89.99
$89.99 - $89.99
$89.99
$65.00
$65.00 - $65.00
$65.00

Explore Scientific 50mm Finder Scope Rings - Tall

ES-FNDRRGSTALL

Explore Scientific finderscope rings are all made for 50mm finders. Choose from a classic low profile bracket (about an inch tall), one that is a t...

View full details
$89.99
$89.99 - $89.99
$89.99
$65.00
$65.00 - $65.00
$65.00
Save 28% Save %
Save 30% Save %
$69.99
$69.99 - $69.99
$69.99
$49.00
$49.00 - $49.00
$49.00

Explore Scientific 62° 14mm Waterproof Eyepiece - 1.25"

ES-EPWP6214LE-01
4 in stock

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-eleme...

View full details
$69.99
$69.99 - $69.99
$69.99
$49.00
$49.00 - $49.00
$49.00
Save 30% Save %
Save 30% Save %
$69.99
$69.99 - $69.99
$69.99
$49.00
$49.00 - $49.00
$49.00

Explore Scientific 62° 20mm Waterproof Eyepiece - 1.25"

ES-EPWP6220LE-01
4 in stock

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-eleme...

View full details
$69.99
$69.99 - $69.99
$69.99
$49.00
$49.00 - $49.00
$49.00
Save 30% Save %
Save 30% Save %
$79.99
$79.99 - $79.99
$79.99
$56.00
$56.00 - $56.00
$56.00

Explore Scientific 62° 26mm Waterproof Eyepiece - 1.25"

ES-EPWP6226LE-01
4 in stock

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-eleme...

View full details
$79.99
$79.99 - $79.99
$79.99
$56.00
$56.00 - $56.00
$56.00
Save 30% Save %
Save 30% Save %
$119.99
$119.99 - $119.99
$119.99
$84.00
$84.00 - $84.00
$84.00

Explore Scientific 62° 32mm Waterproof Eyepiece -2"

ES-EPWP6232LE-01
4 in stock

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-eleme...

View full details
$119.99
$119.99 - $119.99
$119.99
$84.00
$84.00 - $84.00
$84.00
Save 30% Save %
Save 38% Save %
$259.99
$259.99 - $259.99
$259.99
$160.00
$160.00 - $160.00
$160.00

Explore Scientific 62° 40mm Waterproof Eyepiece - 2"

ES-EPWP6240LE-01
3 in stock

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-eleme...

View full details
$259.99
$259.99 - $259.99
$259.99
$160.00
$160.00 - $160.00
$160.00
Save 38% Save %