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Astrodon MonsterMOAG 3" Off-Axis Guider with 1 Port
Astrodon MonsterMOAG 3" Off-Axis Guider with 1 Port
Astrodon MonsterMOAG 3" Off-Axis Guider with 1 Port
Astrodon MonsterMOAG 3" Off-Axis Guider with 1 Port
Astrodon MonsterMOAG 3" Off-Axis Guider with 1 Port
Astrodon MonsterMOAG 3" Off-Axis Guider with 1 Port

Astrodon MonsterMOAG 3" Off-Axis Guider with 1 Port

Vendor
Astrodon
Sale price
$545.00
Regular price
$681.00 You save 20%
Unit price
per 
Shipping calculated at checkout.

Availability:

Estimated Arrival: Between May 20 and May 26. *ETA to USA Only

Shipping & Returns: Satisfaction guaranteed 30 day return policy.

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Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, round stars by guiding in front of your filters using unfiltered light in the same optical beam as your imaging camera.  This is particularly important for the practical use of narrowband filters. It also eliminates potential differential flexure if you guide with a separate guide scope. With modern, automated data acquisition programs, framing your imaging target and placing a guide star in the guide camera is simple and no longer an issue, particularly if you have a remotely-controlled camera rotator.

MonsterMOAG™ (MMOAG) is specifically designed to accommodate the larger CCD imaging detectors such as the KAF16803E and KAF9000E and larger.  Detectors up to 48mm x 48mm can be fully illuminated.  Furthermore, at 1.25″ thick, it has one of the thinnest backfocus for an OAG available, making  MonsterMOAG™ an ideal choice for systems with minimal backfocus, such as the Takahashi FSQ106N refractor.  However, it is strong enough to handle heavy loads from larger cameras and filter wheels.

When installed, the MonsterMOAG becomes a fixed part of your optical train along with your camera and filter wheel.  When you rotate your camera at the back of your telescope, these three components will rotate together.  This means that the guide camera location will be fixed relative to the imaging camera.  You define this once as your Field-Of-View-Indicator (FOVI) in programs like Software Bisque’s TheSkyX.   Then you can frame your target while ensuring that the guide camera has a star to guide on.

The new MMOAG-1,2,3,4  introduces the capability of attaching up to 4 guide ports to the MonsterMOAG. This was accomplished by making the body square and adding a hole on each side for insertion of the pick-off prism from the guide port assembly.  Thus, one possibility could include one guide camera and one 1.25″ eyepiece, for example.  Any unused guide port will be shipped with a removable black metal plate.  Extra guide port assemblies can be ordered at a later date. The thickness (backfocus) and adapters are the same as before.  ​

Adapters: The MonsterMOAG is sold without telescope and camera/filter wheel adapters.  We offer (separately) a series of standard adapters that connect common devices to the guider body, however it is common to need a custom adapter to get everything connected properly.  For this, we recommend using Precise Parts to design and make the adapters you need.  You can see our video discussion about using Precise Parts here.

Backfocus Calculations: In order to get the guide camera and main detector both to come to focus properly the camera side connection lengths need to be calculated and the corresponding stock adapter selected or custom adapter made.   A detailed discussion of how this simple calculation is performed can be found here.

Shipping

We know that once you've placed your order, you are anxious to receive it! We make every effort to get your order shipped out to you as quickly as possible.

As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. We will process the charges to your credit card and your order will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at info@telescopetek.com.

Standard shipping time in the US is between 3-5 business days, though it can vary slightly depending on the destination. We typically For updates on your shipment you can enter your tracking number here.

We distribute nationwide via UPS and Fedex. Unfortunately, at this time we are not able to provide expedited or international shipping.  


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