Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)
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Sh2-101 Tulip Nebula, 



    
        

            Kathy Walker
Sh2-101 Tulip Nebula
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Sh2-101 Tulip Nebula

Getting plate-solving status, please wait...
Sh2-101 Tulip Nebula, 



    
        

            Kathy Walker
Sh2-101 Tulip Nebula
Powered byPixInsight

Sh2-101 Tulip Nebula

Acquisition details

Dates:
July 31, 2021 ·  Aug. 6, 2021
Frames:
Astrodon H-alpha 5nm: 10×600(1h 40′) bin 1×1
Astrodon OIII 5nm: 10×600(1h 40′) bin 2×2
Astrodon RGB: 30×120(1h) bin 2×2
Integration:
4h 20′
Avg. Moon age:
24.81 days
Avg. Moon phase:
27.55%

Basic astrometry details

Astrometry.net job: 4852978

RA center: 19h59m59s.3

DEC center: +35°2024

Pixel scale: 1.203 arcsec/pixel

Orientation: 3.276 degrees

Field radius: 0.574 degrees

Resolution: 2688x2140

File size: 543.3 KB

Locations: Hall's Harbour Observatory (H2O), Hall's Harbour, NS, Canada

Data source: Backyard

Description

Sh2-101, the Tulip Nebula. The field of view includes the black hole - blue supergiant pair known as Cygnus X-1, the brightest source of X-rays in the sky. The black hole, of course, is not visible, but its companion star is. It is a bright star (HD226868 ) at about the 4 o'clock direction from the nebula, towards the right edge.

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