Transform Coefficient and Equipment Survey

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A place where photometrists can share their transform coefficients and compare them to others with similar setups. Please answer the following four questions and then enter your applicable transformation coefficients.

Telescope Type *

Select the type of telescope below.

Refractor

Reflector

Hybrid (mirror plus corrector plate, e.g., SCT)

Hybrid (mirror plus focal reducer)

Hybrid (mirror plus lens corrector, e.g., CDK)

Telescope Type

Sensor Type *

Select the type of sensor below.

CCD w/ microlens

CCD w/o microlens

DSLR

Sensor

Sensor Model *

If a CCD, describe the chip: e.g., 3200, 6303, 16803 or other.

Filter Type *

Select the filter type below.

Colored Glass

Dielectric Coating

Filter Type

Transform Coefficients

Enter your transformation coefficients in the following boxes.

Tbv

Tb_bv

Tv_bv

Tvr

Tv_vr

Tr_vr

Tri

Tr_ri

Ti_ri

Tvi

Tv_vi

Ti_vi

Tr_vi

Tub

Tu_ub

Tb_ub

Optional Equipment Questions

Please add some more specific information about your Equipment.

Telescope Description

Describe the manufacturer and model of the scope.

Sensor Description

Describe the manufacturer and model of the camera.

Filter Description

Describe the manufacturer and model of the filter.

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