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SH2-155 Cave nebula HaLRGB, 



    
        

            Sergiy_Vakulenko
SH2-155 Cave nebula HaLRGB
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SH2-155 Cave nebula HaLRGB

Technical card


Dates:Sept. 30, 2017

Frames:
Baader Blue 36 mm: 24x600" bin 1x1
Baader Green 36 mm: 20x600" bin 1x1
Baader Luminance 36 mm: 31x600" bin 1x1
Baader Red 36 mm: 20x600" bin 1x1
Baader Ha 7nm 36mm: 40x1200" bin 1x1

Integration: 29.2 hours

Avg. Moon age: 9.53 days

Avg. Moon phase: 72.05%


Basic astrometry details

Astrometry.net job: 2859869

RA center: 22h 57' 29"

DEC center: +62° 25' 30"

Pixel scale: 2.139 arcsec/pixel

Orientation: 175.933 degrees

Field radius: 1.058 degrees


Resolution: 2800x2200

Locations: Remote observatory, Kiev, Ukraine

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Sh2-155 (also designated Sharpless 155 or S155) is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity. It is widely known as the Cave Nebula. Sh2-155 is an ionized H II region with ongoing star formation activity, at an estimated distance of 725 parsecs (2400 light-years) from Earth.

Comments

Author

Sergiy_Vakulenko
Sergiy_Vakulenko
License: Attribution Creative Commons
661
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Revisions

  • Final
    SH2-155 Cave nebula HaLRGB, 



    
        

            Sergiy_Vakulenko
    Original
  • SH2-155 Cave nebula HaLRGB, 



    
        

            Sergiy_Vakulenko
    B

B

Description: Pure Ha

Sky plot

Sky plot

Histogram

SH2-155 Cave nebula HaLRGB, 



    
        

            Sergiy_Vakulenko