Contains:  Extremely wide field
Sadr Region Widefield 3x3 Mosaic, Ferdigrafie

Sadr Region Widefield 3x3 Mosaic

Sadr Region Widefield 3x3 Mosaic, Ferdigrafie

Sadr Region Widefield 3x3 Mosaic

Equipment

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Acquisition details

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Description

First I wanted to take this picture with a 35mm wide angle photo lens. I have already accumulated 16 hours of exposure time for this (with the SHO filter), but I was not satisfied with the result. There was just not enough resolution for the fine details, the stars were drawn too roughly. There are also problems with aberrations. I therefore decided to take the picture again with the Samyang 135mm as a mosaic. Three rows and three columns are required for the section, i.e. a total of nine images. Unfortunately, I've hardly had any clear nights in the last few weeks/months, so I haven't finished the recording. Luckily I started with H-Alpha and was able to finish this filter at least for the time being. I accumulated 80 minutes of exposure time per image, resulting in a total integrationtime of 12 hours for the mosaic. I worked out the black and white mosaic, used it as a luminance basis and fed it with the color data from the wide-angle shot.

Comments

Histogram

Sadr Region Widefield 3x3 Mosaic, Ferdigrafie