Hemisphere:  Northern  ·  Constellation: Vulpecula (Vul)  ·  Contains:  4 Vul  ·  5 Vul  ·  7 Vul  ·  IC 1299  ·  LBN 130  ·  LDN 723  ·  LDN 730  ·  LDN 732  ·  LDN 735  ·  LDN 738  ·  LDN 739  ·  LDN 740  ·  LDN 741  ·  LDN 746  ·  LDN 748  ·  NGC 6802  ·  PK052+02.1  ·  PK053+03.1  ·  PK055+01.1  ·  PK055+02.1  ·  PK055+02.2  ·  PK055+02.3  ·  Sh2-83  ·  The star 4Vul  ·  The star 5Vul  ·  U Sge
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The Asterism Collinder 399 - also known as Brocchi’s Cluster and Al Sufi’s Cluster, 



    
        

            Dean Jacobsen
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The Asterism Collinder 399 - also known as Brocchi’s Cluster and Al Sufi’s Cluster

Getting plate-solving status, please wait...
The Asterism Collinder 399 - also known as Brocchi’s Cluster and Al Sufi’s Cluster, 



    
        

            Dean Jacobsen
Powered byPixInsight

The Asterism Collinder 399 - also known as Brocchi’s Cluster and Al Sufi’s Cluster

Imaging telescopes or lenses: Takahashi FSQ-106EDX4 Quadruplet Refractor

Imaging cameras: ZWO ASI2600MC-Pro

Mounts: Astro-Physics Mach2GTO

Guiding telescopes or lenses: Unguided

Guiding cameras: Unguided

Focal reducers: Takahashi 645 0.72X for FSQ106

Software: PixInsight 1.8  ·  Photoshop CC  ·  Main Sequence Software SGPro v3


Dates:July 5, 2021

Frames: 80x240" (5h 20')

Integration: 5h 20'

Avg. Moon age: 25.39 days

Avg. Moon phase: 18.15%


RA center: 19h25m23s.735

DEC center: +20°1045.97

Pixel scale: 4.076 arcsec/pixel

Orientation: 0.116 degrees

Field radius: 2.127 degrees

WCS transformation: thin plate spline

More info:Open 


Resolution: 3124x2088

Locations: Casa de las Estrellas Observatory, Tierra del Sol, San Diego County, California, United States

Data source: Traveller

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Sky plot

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Histogram

The Asterism Collinder 399 - also known as Brocchi’s Cluster and Al Sufi’s Cluster, 



    
        

            Dean Jacobsen