Sh2-125, the Cocoon nebula

Constellation: Cygnus

Sh2-125, the Cocoon nebula, also known as IC 5146, is an emission/reflexion nebula in the constellation Cygnus. It is a stellar nursery where star-formation is ongoing. Its distance from Earth is about 4000 Ly. Link to interactive sky chart.

Dates:

This image was taken in late-July 2022 in LRGB and narrowband Hydrogen-α.

Telescope & Mount:

Orion Optics UK ODK10 on a GM1000HPS mount

Imaging:

Camera: ZWO ASI1600MM Pro (bin 2×2)

Data:

L: 89x180s
R: 30x180s
G: 30x180s
B: 29x180s
Ha: 51x300s

Total integration time: 13h 9′

The Coccon nebula region shows a large area of Hydrogen-α nebulosity as well as dark nebulas.

Dates:

This image was taken in autumn 2022.

Telescope & Mount:

Takahashi Epsilon 130 on a Paramount MX+ mount.

Imaging:

Camera: ZWO ASI6200MM Pro

Data:

L: 169x180s
Hα: 169x300s
R: 184x180s
G: 159x180s
B: 142x180s

Total integration time: 46h 47′