The StellarMate Plus Manual
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likely result in a failed autofocus process.
· Average over: Sets the number of frames to capture in order to average the
HFR value at the current focuser position.
· Num. of rows: The number of rows set in this field will be combined in the
Bahtinov max average calculation. Changing this value might help to match
the Bahtinov lines on the star pattern more accurately.
Mechanics
The Mechanics page has the following options:
· Initial Step size: Initial step size in ticks to cause a noticeable change in HFR
value. For timer based focuser, it is the initial time in milliseconds to move the
focuser inward or outward.
· Max Step size: The maximum single step size the algorithm is allowed to
command as it searches for the critical focus zone. The calculated step size
would be limited to this maximum value.
· Settle: Sets the amount of seconds to wait after moving the focuser before
capturing the next image during Auto Focus.
· Max Travel: Maximum travel in ticks before the autofocus process aborts.
· Frames: Number of average frames to capture. During each capture, an HFR is
recorded. If the instantaneous HFR value is unreliable, you can average a
number of frames to increase the signal to noise ratio.
· Out Step Multiple: This is the number that is multiplied by initial-step-size to
get the number of outward steps that the Linear Focus algorithm moves away
from the initial position at the start of focusing.
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