3nm Narrowband
Sale is Live!

OII, SII, and H-a filters discounted!

Software Bisque MYT mount and TheSky Fusion
In-Stock
QHY5III462C

Superb NIR Response
Super High Conversion Gain
135FPS Frame Rate
Comes with two free 1.25" filters

Losmandy G11G & G811G Mounts In Stock!

Need help aligning your scope? We have the answers! Call 844 DARKSKY!

Taking pre-orders for Mega MOAG 2.0. Contact us today!


How can I determine my appropriate image scale?

What ADU value should I consider for my flat frames?

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JMI Heavy Wheelie bars
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All Medium Heavy Duty Wheeley Bars fit tripod tip-to-tip distance of 34 – 42.5 inches

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Celestron RASA series is now here
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Celestron RASA series is now available in the 8”, 11”, and 14” OTA

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Now Get Your System on Your Terms!

- OSI Brands are all made in the USA -
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