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Astrophoto: Leo I Dwarf Galaxy – 03/22

One of the most distant satellite galaxies of the Milky way. The frames were shot with an EOS M100(a) at a 600mm refractor telescope. Not a beautiful picture, but the brights star Regulus makes it hard to work Leo I out.

High resolution on Flickr:

Leo I Dwarf
Leo I Dwarf Galaxy labeled
The Dwarf Galaxy Leo I and the star Regulus. Leo I is a satellite galaxy of the Milky Way.

Technical overview

TelescopeVIXEN ED80sf
Focal Length600mm
Aperture ratio7.5
Erecting LenseTSFlat2
FilterOptolong UV/IR Cut
MountSkywatcher HEQ-5
Goto-ControlEKOS
Mount ControlINDI
Guiding Scope Focal Length162 mm
Guiding Camera Chip4.8mm x 3.6mm, 8bit
Guiding Camera Resolution1280×960
Guiding SoftwareEKOS, INDI
Dithering3 pixel
CameraCANON EOS M100(a)
Methodfocal projection
Camera angle
Camera ControlEKOS, INDI, Gphoto2
Photography Date25.03.2022
Exposure-Time Lights38x300s
Correction framesFLATS, BIASES
SensitivityISO 400
Post Processing Date26.03.2022
Stacking, IntegrationPixInsight
Post Processing SoftwarePixInsight
Image EditingAffinity Photo
Capture PlaceKoblenz, Germany
LightpollutionBortle 5
Scattered lightstrong

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Astrophotograph