IC 59
Emission nebula

IC 59

IC 59 · Cassiopeia
We don’t yet know how old these photons are.
⧉ 12 versions of this capture — pick one to see its image and log
Date
18/09/2025
Location
·
Integration
8m (1 x 10s + 45 x 10s)
Software
PythonastropyastroalignSEPscikit-imagephotutilsAstrometry.net
Notes
Everything the measurements justify and nothing they do not. The background fit is constrained so it cannot subtract the nebula itself; the deepest channel is sharpened with star-protected deconvolution; a second tone curve recovers the bright core without clipping the faint outer structure; and noise reduction is kept away from compact sources. Plate-solved against Gaia DR3, so scale and orientation are measured rather than assumed.
Moon
🌘Waning crescent, 17% lit

Frequently asked questions

What kind of object is IC 59?
IC 59 is an emission nebula.
Which constellation is IC 59 in?
IC 59 lies in the constellation Cassiopeia.
What equipment was used to photograph IC 59?
This image of IC 59 was captured with ZWO Seestar S50 and ZWO Seestar S50 Camera.
How much exposure time went into this image?
This image of IC 59 represents 0m (1 x 10s) + 8m (45 x 10s) + 8m (1 x 10s + 45 x 10s) of total integration time.

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