Is the field derotator integrated?

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• How Vespera compensate for the lack of field derotator?

  Vespera realizes unitary exposures of 10s. This is enough so that the field rotation is not visible on the raw images. Thus, the field rotation is compensated when stacking the images. Thanks to our image processing algorithms that take into account ...

• Does Vespera Passengers feature a field derotator?

  Like Vespera, Vespera Passengers does not incorporate a mechanical field derotator. The field of view will change as images are stacked. The absence of a field derotator will have only a limited effect (stars at the edge of the field) on photo ...

• What is Hestia's field of view?

  Hestia's field of view is 1.8°.

• What is the field of Vespera?

  The field is 1.6° x 0.9°. To give an idea, twice the moon enters entirely in the sensor's field of view.

• What is the field of view of Vespera Passengers?

  The field is 2.4° x 1.8°. It's larger than Vespera & Stellina.