Cadair · Oct 28, 2026 · Oct 28, 2026 · Oct 28, 2026 · Oct 28, 2026 · Oct 28, 2026
diff --git a/changelog/348.breaking.rst b/changelog/348.breaking.rst
@@ -0,0 +1 @@
+Increased the minimum required version of ``scikit-image`` to 0.24.0, and replaced usage of the deprecated ``sunpy.map.GenericMap.dimensions`` property with ``sunpy.map.GenericMap.data.shape``, and removed use of ``skimage.morphology.footprint_rectangle``.
diff --git a/examples/aligning_aia_with_eis_maps.py b/examples/aligning_aia_with_eis_maps.py
@@ -40,8 +40,8 @@
 # Before coaligning the images, we first resample the AIA image to the same plate
 # scale as the EIS image. This will ensure better results from our coalignment.
 
-nx = (aia_map.scale.axis1 * aia_map.dimensions.x) / eis_map.scale.axis1
-ny = (aia_map.scale.axis2 * aia_map.dimensions.y) / eis_map.scale.axis2
+nx = (aia_map.scale.axis1 * aia_map.data.shape[1] * u.pix) / eis_map.scale.axis1
+ny = (aia_map.scale.axis2 * aia_map.data.shape[0] * u.pix) / eis_map.scale.axis2
 
 aia_downsampled = aia_map.resample(u.Quantity([nx, ny]))
 

diff --git a/pyproject.toml b/pyproject.toml
@@ -29,11 +29,11 @@ classifiers = [
   "Topic :: Scientific/Engineering :: Physics",
 ]
 dependencies = [
-  "astropy>=6.1.0",
+  "astropy>=7.0.0",
   "numpy>=1.26.0",
   "matplotlib>=3.8.0",
   "scipy>=1.12.0",
-  "scikit-image>=0.20.0",
+  "scikit-image>=0.24.0",
   "sunpy[map]>=7.0.0",
 ]
 

diff --git a/pytest.ini b/pytest.ini
@@ -54,3 +54,5 @@ filterwarnings =
     ignore:leap-second auto-update failed:astropy.utils.exceptions.AstropyWarning
     ignore:.*deprecated - use.*:pyparsing.warnings.PyparsingDeprecationWarning
     ignore:.*argument is deprecated, use.*:pyparsing.warnings.PyparsingDeprecationWarning
+    # scikit-image 0.27 warns on every call to functions that will change in skimage2
+    ignore:`skimage\..*` is deprecated in favor of:PendingDeprecationWarning
diff --git a/sunkit_image/coalignment/tests/test_coalignment.py b/sunkit_image/coalignment/tests/test_coalignment.py
@@ -71,8 +71,8 @@ def incorrect_pointing_cutout_map_and_shift(request, cutout_map):
 
 @pytest.mark.remote_data()
 def test_coalignment_eis_aia(eis_test_map, aia193_test_map):
-    nx = (aia193_test_map.scale.axis1 * aia193_test_map.dimensions.x) / eis_test_map.scale[0]
-    ny = (aia193_test_map.scale.axis2 * aia193_test_map.dimensions.y) / eis_test_map.scale[1]
+    nx = (aia193_test_map.scale.axis1 * aia193_test_map.data.shape[1] * u.pix) / eis_test_map.scale[0]
+    ny = (aia193_test_map.scale.axis2 * aia193_test_map.data.shape[0] * u.pix) / eis_test_map.scale[1]
     aia193_test_downsampled_map = aia193_test_map.resample(u.Quantity([nx, ny]))
     coaligned_eis_map = coalign_map(eis_test_map, aia193_test_downsampled_map, method="match_template")
     # Check that correction is as expected based on known pointing offset

diff --git a/sunkit_image/radial.py b/sunkit_image/radial.py
@@ -523,8 +523,8 @@ def fnrgf(
     radial_bin_edges, map_r = find_radial_bin_edges(smap, radial_bin_edges)
 
     # Get the Helioprojective coordinates of each pixel
-    x, y = np.meshgrid(*[np.arange(v.value) for v in smap.dimensions]) * u.pix
-    coords = smap.pixel_to_world(x, y).transform_to(frames.Helioprojective)
+    x, y = np.meshgrid(*[np.arange(n) for n in smap.data.shape[::-1]])
+    coords = smap.wcs.pixel_to_world(x, y).transform_to(frames.Helioprojective)
 
     # Get angles associated with every pixel
     angles = np.arctan2(coords.Ty.value, coords.Tx.value)

diff --git a/sunkit_image/stara.py b/sunkit_image/stara.py
@@ -1,5 +1,4 @@
 import numpy as np
-import skimage
 from skimage.filters import median
 from skimage.morphology import disk, white_tophat
 from skimage.util import invert
@@ -8,12 +7,6 @@
 
 import sunpy.map
 
-if skimage.__version__ < "0.25.0":
-    # Need to account for https://github.com/scikit-image/scikit-image/pull/7566/files
-    from skimage.morphology import square
-else:
-    from skimage.morphology import footprint_rectangle
-
 __all__ = ["stara"]
 
 
@@ -73,12 +66,8 @@ def stara(
     # Median filter to remove detections based on hot pixels
     m_pix = int((median_box / smap.scale[0]).to_value(u.pix))
 
-    if skimage.__version__ < "0.25.0":
-        function = square(m_pix)
-    else:
-        function = footprint_rectangle((m_pix, m_pix))
-
-    med = median(data, function, behavior="ndimage")
+    footprint = np.ones((m_pix, m_pix), dtype=np.uint8)
+    med = median(data, footprint, behavior="ndimage")
 
     # Construct the pixel structuring element
     c_pix = int((circle_radius / smap.scale[0]).to_value(u.pix))

diff --git a/...pl_3108_ft_261_sunpy_710_astropy_720.json → ...pl_3108_ft_261_sunpy_710_astropy_723.json b/...pl_3108_ft_261_sunpy_710_astropy_720.json → ...pl_3108_ft_261_sunpy_710_astropy_723.json
@@ -1,7 +1,7 @@
 {
-  "sunkit_image.coalignment.tests.test_coalignment.test_coalignment_figure[incorrect_pointing_cutout_map_and_shift0]": "ce40f5667e62443a8a48f7fac2ea320d159f6026572e7c879d7746da800ae17e",
-  "sunkit_image.coalignment.tests.test_coalignment.test_coalignment_figure[incorrect_pointing_cutout_map_and_shift1]": "2b8134d3d32cc38f0855b4aca96e8a04219bd4205def9af0e87877232029f634",
-  "sunkit_image.coalignment.tests.test_coalignment.test_coalignment_figure[incorrect_pointing_cutout_map_and_shift2]": "f2c3574c80d36e0e0cd8c365aae037c5e5ef5fe74a4232663d1b8bc8db705f81",
+  "sunkit_image.coalignment.tests.test_coalignment.test_coalignment_figure[incorrect_pointing_cutout_map_and_shift0]": "cd14b11bb25e54f6b3d2f568cb183fdd057b339204f34141f311e4ef871a9561",
+  "sunkit_image.coalignment.tests.test_coalignment.test_coalignment_figure[incorrect_pointing_cutout_map_and_shift1]": "6214e4d20869c2239d24ecf2a24ed5a31954a15de431a6deb26134227d54e291",
+  "sunkit_image.coalignment.tests.test_coalignment.test_coalignment_figure[incorrect_pointing_cutout_map_and_shift2]": "b620292ff1f42c6ea60a6651d4c9d41923d709ef246ee7676c9371e67b5a34e0",
   "sunkit_image.tests.test_enhance.test_mgn[array]": "d3ed034e34d03288aad08c06447fde42a8eb5c7ce4c0543a2090bb04c75fad1a",
   "sunkit_image.tests.test_enhance.test_mgn[map]": "50bb490a6cc2408befe13c7f2a54f7433df80c2473dd21b619ace35de7e8f250",
   "sunkit_image.tests.test_enhance.test_mgn_submap": "cf3948d3ffa8ed4eacc500bee170db68bb1a96d2cec1c92e48f74c01827dc397",
@@ -13,9 +13,9 @@
   "sunkit_image.tests.test_radial.test_fig_nrgf": "57b79f69ba537ff2ee37a879048f7d1232173567cc8c7b2e46988cb8b11a5575",
   "sunkit_image.tests.test_radial.test_fig_fnrgf": "42044b0b483cd9623c59530c93f4e71b817df335050a71bb9c026cbf429cd7bd",
   "sunkit_image.tests.test_radial.test_fig_rhef": "1c97e4b501d6f614b8777ef36c97a1d17645287020d2979c206f84d51cce6db6",
-  "sunkit_image.tests.test_radial.test_multifig_rhef": "090d0416549db66274e1cfd8cd8a12cbaa2ed7062b641894977d5a75fd89c784",
+  "sunkit_image.tests.test_radial.test_multifig_rhef": "738021ce97cd5f7debfe4d693fa04c8ab7ba0043219cf9c8f3929d51ea1a1195",
   "sunkit_image.tests.test_stara.test_stara_plot": "5aac9b08827c4e7ae77919d8cf123f4c0852e6da17c9e436408aff64cc6132e5",
-  "sunkit_image.tests.test_trace.test_occult2_fig[array]": "e59f4c476b6b27788ab8dc397cb0d2f34f8d6032eced289fd2eabeb324b39558",
-  "sunkit_image.tests.test_trace.test_occult2_fig[map]": "e59f4c476b6b27788ab8dc397cb0d2f34f8d6032eced289fd2eabeb324b39558",
-  "sunkit_image.tests.test_trace.test_occult2_cutout": "1b18459111342c3bab4a2c8fb08b012eef4a69767e08753d8918fe4987fa165d"
+  "sunkit_image.tests.test_trace.test_occult2_fig[array]": "37734310f9079bb2d0778f4bb9c525647307a2c30b8f493044afce034c3b86d5",
+  "sunkit_image.tests.test_trace.test_occult2_fig[map]": "37734310f9079bb2d0778f4bb9c525647307a2c30b8f493044afce034c3b86d5",
+  "sunkit_image.tests.test_trace.test_occult2_cutout": "63c8fddf4e4533ca52a4564f7f75fd8304b0b39275da98011539382058b94d53"
 }
diff --git a/sunkit_image/utils/tests/test_utils.py b/sunkit_image/utils/tests/test_utils.py
@@ -84,8 +84,7 @@ def test_find_pixel_radii(aia_171):
     # Calculate the pixel radii
     pixel_radii = utils.find_pixel_radii(aia_171)
     # The shape of the pixel radii is the same as the input map
-    assert pixel_radii.shape[0] == int(aia_171.dimensions[0].value)
-    assert pixel_radii.shape[1] == int(aia_171.dimensions[1].value)
+    assert pixel_radii.shape == aia_171.data.shape
     # Make sure the unit is solar radii
     assert pixel_radii.unit == u.R_sun
     # Make sure the maximum

diff --git a/tox.ini b/tox.ini
@@ -50,7 +50,7 @@ deps =
     # Handle minimum dependencies via minimum_dependencies
     oldestdeps: minimum_dependencies
     # Figure tests need a tightly controlled environment
-    figure-!devdeps: astropy==7.2.0
+    figure-!devdeps: astropy==7.2.3
     figure-!devdeps: matplotlib==3.10.8
     figure-!devdeps: sunpy==7.1.0
 # The following indicates which extras_require will be installed
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Increased the minimum required version of ``scikit-image`` to 0.24.0, and replaced usage of the deprecated ``sunpy.map.GenericMap.dimensions`` property with ``sunpy.map.GenericMap.data.shape``, and removed use of ``skimage.morphology.footprint_rectangle``.