Skymonsters

Astrophotography by Nicola Montecchiari

M31 - The Great Andromeda Galaxy

Galaxy M31 - The Great Andromeda Galaxy
Date/Place2009-10-17 at Pian dell'Armà (PV)
CoordinatesAR 00h 42m 44s DEC +41° 16'09″
InstrumentTakahashi FSQ85ED
CameraModified 450D
IntegrationStack of 20 exposure of 10 minutes each, in RGB and 3 exposures of 20 minutes with H-alpha filtre. The H-alpha exposure was then mixed with the red channel of RGB in order to enhance the emission nebula on the spiral arms.
CommentFirst time using dithering between the exposures.