phot.background.quick_sky_circ

phot.background.quick_sky_circ(ccd, pos, r_in=10, r_out=20, mask=None, **kwargs)

Estimate sky in a circular annulus using quick presets.

Parameters

ccd : ~astropy.nddata.CCDData or ndarray-like

Image data from which to extract annular sky values.

pos : tuple of float

Annulus center in (x, y) order.

r_in : float = 10

Inner and outer annulus radii in pixels. Defaults are 10 and 20.

r_out : float = 10

Inner and outer annulus radii in pixels. Defaults are 10 and 20.

mask : array - like or None = None

Boolean mask with the same shape as ccd; True pixels are excluded.

****kwargs** : = {}

Keyword arguments forwarded to sky_fit.