Sh2-154 and Sh2-155

Constellations: Cepheus

Sh2-154 is an H II region located in the constellation of Cepheus. It is located at a distance of 3’260 Ly from Earth. Nearby, slightly above Sh2-154, one can see the open cluster NGC 7419. The well-known Cave nebula (Sh2-155), another H II region, is at the bottom of the image. The small and bright H II region at the top right corner is Sh2-156 (IC 1470). Link to interactive sky chart.

Date:

This image was taken during several nights between April and June 2022. It was taken with narrowband filters (Hydrogen-α, Oxygen-III and Sulfure-II) and enhanced with Luminance.

Telescope & Mount:

Takahashi FSQ-106ED on a Paramount MX+ mount

Imaging:

Camera: ZWO ASI2600MM Pro (bin 1×1)

Data:
Hα: 60x240s
O-III: 71x300s
S-II: 68x300s
Lum: 59x180s

Total integration time: 18h 32′