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Normalize skyes to be with same median #193

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Merged
vladtcvs merged 1 commit into from
Feb 21, 2025
Merged

Normalize skyes to be with same median #193

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8 changes: 8 additions & 0 deletions src/vstarstack/library/calibration/flat.py
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Expand Up @@ -81,6 +81,14 @@ def prepare_flat_sky(images : vstarstack.library.common.IImageSource,

no_stars_dataframe = vstarstack.library.stars.cut.cut_stars(dataframe, descs)
no_stars_dataframe = remove_hot_pixels(no_stars_dataframe)
for channel in no_stars_dataframe.get_channels():
layer, opts = no_stars_dataframe.get_channel(channel)
if not no_stars_dataframe.get_channel_option(channel, "signal"):
continue
layer = cv2.GaussianBlur(layer, (15, 15), 0)
layer = layer / np.median(layer)
no_stars_dataframe.replace_channel(layer, channel, **opts)

no_star_images.append(no_stars_dataframe)

no_star_source = vstarstack.library.common.ListImageSource(no_star_images)
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