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Barnard 150 'The Seahorse Nebula'

Technical card

Resolution: 3266x2441

Dates:Oct. 5, 2018

Astrodon E-Series Blue filter: 24x600" bin 1x1
Astrodon E-Series Green filter: 24x600" bin 1x1
Astrodon E-Series Red filter: 24x600" bin 1x1
Astrodon Luminance E-Series: 66x600" bin 1x1

Integration: 23.0 hours

Avg. Moon age: 25.51 days

Avg. Moon phase: 17.22% job: 2332060

RA center: 312.615 degrees

DEC center: 60.059 degrees

Pixel scale: 2.091 arcsec/pixel

Orientation: 269.674 degrees

Field radius: 1.184 degrees

Locations: Entre Encinas y Estrellas E-EyE, Fregenal de la Sierra, Extremadura, Spain

Data source: Own remote observatory


A very beautiful molecular dust cloud in the 'king' of constellations Cepheus. A great target to image with much to concentrate on when processing. Quite striking dark dust absorbs the light from the starfield . . . subject too of Steve's APOD of the same data: "Light-years across, this suggestive shape known as the Seahorse Nebula appears in silhouette against a rich, luminous background of stars. Seen toward the royal northern constellation of Cepheus, the dusty, obscuring clouds are part of a Milky Way molecular cloud some 1,200 light-years distant. It is also listed as Barnard 150 (B150), one of 182 dark markings of the sky cataloged in the early 20th century by astronomer E. E. Barnard. Packs of low mass stars are forming within from collapsing cores only visible at long infrared wavelengths. Still, colorful stars in Cepheus add to the pretty, galactic skyscape."

Image acquisition: Barry Wilson & Steve Milne.
Processing: Barry Wilson



Barry Wilson


Sky plot

Sky plot


Barnard 150 'The Seahorse Nebula', 


            Barry Wilson

In these public groups

Entre Encinas y Estrellas (e-EyE)