The StellarMate Plus Manual
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For Flat Field frames, you can set calibration options in order to automate the
process. The calibration options are designed to facilitate automatic unattended
flat field frame capture. It can also be used for dark and bias frames if desired. If
your camera is equipped with a mechanical shutter, then it is not necessary to set
calibration settings unless you want to close the dust cover to ensure no light at
all passes through the optical tube. For flat fields, you must specify the flat field
light source, and then specify the duration of the flat field frame. The duration
can be either manual or based on ADU calculations.
1. Flat Field Source
o Manual: The flat light source is manual.
o Dust Cover with Built-In Flat Light: If using a dust cover with builtin light
source (e.g. FlipFlat). For dark and bias frames, close the dust cap
before proceeding. For flat frames, close the dust cap and turn on the
light source.
o Dust Cover with External Flat Light: If using a dust cover with an
external flat light source. For dark and bias frames, close the dust cap
before proceeding. For flat frames, open the dust cap and turn on the
light source. The external flat light source location is presumed to be
the parking location.
o Wall: Light source is a panel on the observatory wall. Specify the
Azimuth and Altitude coordinates of the panel and the mount shall slew
there before capturing the flat field frames. If the light panel is
controllable from INDI, Ekos shall turn it on/off as required.
o Dawn/Dusk: Currently unsupported.
2. Flat Field Duration
o Manual: Duration is as specified in the Sequence Queue.
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