Starizona HyperStar C9.25 Operating Instructions Manual Download

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HyperStar C9.25 Specifications

Focal Ratio:

f/2.2

Focal Length:

525mm

Field of View and Resolution with Common Cameras

Camera

Field of View

Pixel Resolution

Atik 490EX

81.8' x 65.5'

1.45”/pixel

Canon EOS 80D

147.3’ x 98.2’

1.46”/pixel

ZWO ASI183MC

86.4’ x 57.6’

0.94”/pixel

ZWO ASI294MC

125.7’ x 85.8’

1.82”/pixel

Exposure Factors (Equivalent Exposure Times)

Focal Ratio

Exposure Factor

Example Exposures

f/2.2 (HyperStar C9.25)

30 seconds

f/3.3

2.3

1.2 minutes

f/5

5.2

2.6 minutes

f/6.3

8.2

4.1 minutes

f/10

20.7

10.4 minutes

Starizona

5757 N. Oracle Rd., Suite 103

Tucson, AZ 85704

520-292-5010

www.starizona.com

Summary of Contents for HyperStar C9.25

Page 1: ...Star lens and CCD camera are mounted on the telescope there is the potential for damaging the corrector plate if caution is not exercised at all times Be especially careful not to bump the CCD camera or HyperStar lens while they are attached to the telescope Also be sure that all cables from the CCD camera are properly tied off to prevent them from pulling on the camera and lens Additional tips an...

Page 2: ...om falling out during installation Attaching the Counterweight 2 The included counterweight goes into the standard 1 25 visual back on the rear of the telescope Begin by sliding the weight partway into the visual back and lock it in place with the set screws Later you will balance the telescope to determine the proper position of the counterweight ...

Page 3: ...s from the bottom of the HyperStar lens The holder consists of a metal cylinder with a vinyl cap on the bottom Removing the Secondary Mirror 4 Unthread the retaining ring from the secondary mirror holder as shown below 5 Carefully remove the secondary mirror assembly from the front of the telescope Do not touch the surface of the mirror itself ...

Page 4: ...r assembly in place Attaching the CCD Camera 7 A CCD camera will attach to the HyperStar using T threads Most cameras have a 1 25 or 2 nosepiece that must be removed to allow the HyperStar to thread into the T threads DSLR cameras will attach using a standard bayonet mount 8 Attach the CCD camera or DSLR to the HyperStar lens 9 Carefully thread the entire assembly into the front of the telescope C...

Page 5: ...refully release the telescope tube and see if it is front heavy or rear heavy If the front of the scope moves down you need to slide the counterweight farther back If the front of the scope moves up you need to slide the counterweight forward Balancing the telescope is critical for getting good tracking accuracy ...

Page 6: ...lightly tilted and not perfectly aligned with the optical axis of the HyperStar This is normally compensated by adjusting the secondary mirror but with the mirror removed it now needs to be compensated for with the HyperStar The easiest method is to take a single short exposure of a star field 1 3 seconds is usually enough Make an adjustment by loosening one of the pull screws shown below and tigh...

Page 7: ... camera and lens are in the desired orientation tighten down the screws Using Filters The top portion of the HyperStar lens is a removable adapter specific to your camera The inside of this adapter is threaded for 2 filters Unthread the adapter from the HyperStar lens A 2 filter can then be threaded into the inside of the adapter Replace the adapter on the HyperStar lens and you are set to go Popu...

Page 8: ...OS 80D 147 3 x 98 2 1 46 pixel ZWO ASI183MC 86 4 x 57 6 0 94 pixel ZWO ASI294MC 125 7 x 85 8 1 82 pixel Exposure Factors Equivalent Exposure Times Focal Ratio Exposure Factor Example Exposures f 2 2 HyperStar C9 25 1 30 seconds f 3 3 2 3 1 2 minutes f 5 5 2 2 6 minutes f 6 3 8 2 4 1 minutes f 10 20 7 10 4 minutes Starizona 5757 N Oracle Rd Suite 103 Tucson AZ 85704 520 292 5010 www starizona com ...

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Starizona HyperStar C9.25, Operating Instructions Manual

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