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Hemisphere:  Northern
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Tulip Nebula, 


            Seymore Stars
Tulip Nebula
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Tulip Nebula

Imaging telescopes or lenses: Planewave CDK17

Imaging cameras: Finger Lakes Instrumenttaion Proline 16803

Mounts: Astro-Physics AP1600

Guiding telescopes or lenses: Planewave CDK17

Guiding cameras: Starlight Xpress Lodestar X2

Software: PHD2 PHD 2.6.2  ·  PixInsight 1.8 Pisinsight 1.8

Filters: Chroma 3nm Oiii  ·  Chroma Ha 3nm  ·  Chroma 3nm Sii

Dates:Aug. 10, 2019

Chroma 3nm Oiii: 14x900"
Chroma 3nm Sii: 6x900"
Chroma Ha 3nm: 8x900"

Integration: 7.0 hours

Avg. Moon age: 10.13 days

Avg. Moon phase: 77.57%

Basic astrometry details job: 2992981

RA center: 19h 59' 7"

DEC center: +35° 23' 45"

Pixel scale: 0.636 arcsec/pixel

Orientation: 178.621 degrees

Field radius: 0.459 degrees

Resolution: 3924x3408

Locations: steve, Orange county, NY, United States

Data source: Backyard


Sharpless 101 (Sh2-101) is a H II region emission nebula located in the constellation Cygnus. It is sometimes also called the Tulip Nebula because it appears to resemble the outline of a tulip when imaged photographically. It was catalogued by astronomer Stewart Sharpless in his 1959 catalog of nebulae. It lies at a distance of about 6,000 light-years from Earth.
Sh2-101, at least in the field seen from earth, is in close proximity to microquasar Cygnus X-1, site of one of the first suspected black holes. Cygnus X-1 is the bright star near the top left of center of the image presented here.



Seymore Stars
License: None (All rights reserved)


  • Tulip Nebula, 


            Seymore Stars
  • Tulip Nebula, 


            Seymore Stars
  • Tulip Nebula, 


            Seymore Stars
  • Tulip Nebula, 


            Seymore Stars
  • Final
    Tulip Nebula, 


            Seymore Stars

Sky plot

Sky plot


Tulip Nebula, 


            Seymore Stars