Contains:  Solar system body or event
AR 2776 h-alpha 2020-10-18, Nicolas Escurat

AR 2776 h-alpha 2020-10-18

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

Daystar Quark Chromosphere on Sigma 60-600mm with front Baader D-ERF 110mm.

Focal length set with the lens 600mm

Daystar screwed 32mm in front of the normal focal point of the lens : resulting focal lenth 465mm (2000mm with 4.3x daystar integrated barlow)

The focusing ring allows you to refocus the image at around 465mm while keeping the maximum aperture of the lens ;-)

Imaging with ZWO ASI 1600 MM : image reduced to 0,6"/pixel

Comments

Histogram

AR 2776 h-alpha 2020-10-18, Nicolas Escurat