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VdB 152 The Wolf's Cave Nebula, 





    
        

            Barry Wilson
VdB 152 The Wolf's Cave Nebula

VdB 152 The Wolf's Cave Nebula

Technical card

Resolution: 3299x2480

Dates:Sept. 30, 2019

Frames:
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: 42x600" bin 1x1

Integration: 19.0 hours

Avg. Moon age: 2.00 days

Avg. Moon phase: 4.46%

Astrometry.net job: 2955031

RA center: 22h 11' 35"

DEC center: +70° 39' 14"

Pixel scale: 2.093 arcsec/pixel

Orientation: 270.691 degrees

Field radius: 1.200

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

Data source: Own remote observatory

Remote source: e-EyE Extremadura

Description

From APOD: " The mysterious blue reflection nebula found in catalogs as VdB 152 or Ced 201 really is very faint. It lies at the tip of the long dark nebula Barnard 175 in a dusty complex that has also been called Wolf's Cave. At the center of this deep and widefield telescopic view, the cosmic apparitions are nearly 1,400 light-years away along the northern Milky Way in the royal constellation Cepheus. Near the edge of a large molecular cloud, pockets of interstellar dust in the region block light from background stars or scatter light from the embedded bright star giving the the nebula its characteristic blue color. Ultraviolet light from the star is also thought to cause a dim reddish luminescence in the nebular dust. Though stars do form in molecular clouds, this star seems to have only accidentally wandered into the area, as its measured velocity through space is very different from the cloud's velocity. Another dense, obscuring dark nebula, LDN 1221, is easy to spot at the upper right in the frame, while the more colorful planetary nebula Dengel-Hartl 5 is just below center. Faint reddish emission from an ancient supernova remnant can also be traced (lower right to upper left) against the dust-rich complex in Cepheus. "

Cepheus is a spectacular dusty region and always a delight to image objects in this 'majestic' constellation. Plenty of stars to manage in the processing too ;-)

Data acquisition: Barry Wilson & Steve Milne
Processing: Barry Wilson

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VdB 152 The Wolf's Cave Nebula, 





    
        

            Barry Wilson

In these public groups

Entre Encinas y Estrellas (e-EyE)