Optical Structures Astrodon MonsterMOAG MMOAG-1 Manual Download | Manualshive

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MonsterMOAG

™ Off-Axis Guider

for 2 inch focuers

Part #: MMOAG-1, MMOAG-2, MMOAG-3 & MMOAG-4

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Summary of Contents for Astrodon MonsterMOAG MMOAG-1

Page 1: ...MonsterMOAG Off Axis Guider for 2 inch focuers Part MMOAG 1 MMOAG 2 MMOAG 3 MMOAG 4...

Page 2: ...f backfocus 1 45 with connectors It is thin enough to be used on the Takahashi FSQ106N refractor with its very short 4 75 120mm backfocus The MMOAG was modified in June 2015 The rectangular body was m...

Page 3: ...D compatible with the new large filter wheels Optional adaptors for the camera side of varying thicknesses backfocus see web site o Provides additional space to bring the focus above the helical focus...

Page 4: ...4 Slots for rotation on the focuser holder for fine alignment of the prism parallel to the optical axis Dimensions...

Page 5: ...over the dovetail fitting and proceed to tighten the four 8 32 set screws As you tighten the MMOAG body will be pulled flush against the 3 20 raised flange on the adaptor to minimize any camera tilt...

Page 6: ...der up 0 1 with the additional 3 x 3 4 spacer provided We provide one additional 0 125 thick 1 x 9 16 spacer that fits underneath the prism holder This permits you to move the prism further into the o...

Page 7: ...axis of the scope You may make this adjustment on the telescope and then tighten it securely I use a Farpoint Laser Collimator placed on top of the helical focuser on a table I then align the edge of...

Page 8: ...aligned with the table using the metal plate Note that the spot has not moved left or right Coming to Focus It is important to realize that any OAG must be placed within a narrow range of distances f...

Page 9: ...s 1 8 Apogee U16M AI FW50 7s 2 0 SBIG STL FW8 STL to AP male adaptor 2 2 1 9 with internal CFW Add the midpoint of the MMOAG where the prism is located to these numbers plus the 0 1 raised flange of t...

Page 10: ...e the helical focuser with the provided 1 25 nose piece holder decreasing A from 3 6 to 2 7 AND purchase the additional dovetail to 3 male 0 75 long adaptor This makes B for YR Apogee and FLI 3 08 3 2...

Page 11: ...terMOAG 5 Rotate the base of the helical focuser until the guide camera is parallel to the optical axis 6 Tighten the set cap screw to prevent guide camera rotation Locating A Guide Star This is often...

Page 12: ...focal length and watch the star move up you will have to figure out which direction to move it but the direction is away from the internal guide detector 9 Eventually it will move off the main imaging...

Page 13: ...m reflection Here is an example with the guide star centered in the rectangle representing the guide camera upper left The procedure is the same for other brands of cameras lacking an internal guide d...

Page 14: ...n purchasing the MonsterMOAG We stand behind our product We will repair or replace any part that is defective or becomes defective for 2 years with the exception of misuse such as galling or stripping...

Page 15: ...15...

Page 16: ...16 Lumicon is owned by Optical Structures Incorporated 11371 Pyrites Way Suite A Rancho Cordova CA 95670 916 638 2003 www FarpointAstro com...

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