Celestial hemisphere:  Northern  ·  Constellation: Pegasus (Peg)  ·  Contains:  The star Markab (αPeg)
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Markab and the hidden galaxy, 



    
        

            Gabriel Siegl
Markab and the hidden galaxy
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Markab and the hidden galaxy

Getting plate-solving status, please wait...
Markab and the hidden galaxy, 



    
        

            Gabriel Siegl
Markab and the hidden galaxy
Powered byPixInsight

Markab and the hidden galaxy

Acquisition details

Dates:
Sept. 5, 2021
Frames:
92×240(6h 8′) ISO800
Integration:
6h 8′
Darks:
25
Flats:
30
Bias:
30
Avg. Moon age:
27.94 days
Avg. Moon phase:
2.84%

Basic astrometry details

Astrometry.net job: 5018121

RA center: 23h06m22s.8

DEC center: +16°3415

Pixel scale: 3.512 arcsec/pixel

Orientation: 359.060 degrees

Field radius: 2.640 degrees

Resolution: 3000x4505

File size: 7.8 MB

Locations: Brunnalm - Hohe Veitsch, St. Barbara im Mürztal, Steiermark, Austria

Data source: Traveller

Description

Markab, Alpha Pegasi (α Peg), is a giant or subgiant star located in the constellation Pegasus. Even though it has the designation Alpha, it is only the third brightest star in the constellation, after Enif and Scheat. Markab has an apparent magnitude of 2.48 and lies at a distance of 133 light years from Earth. Together with the brighter Scheat and Alpheratz and the fainter Algenib, it forms the Great Square of Pegasus, a prominent northern asterism that marks the main body of Pegasus.
In the upper left corner you can find NGC 7497 which is illuminated by the IFN.

Comments

Revisions

  • Final
    Markab and the hidden galaxy, 



    
        

            Gabriel Siegl
    Original
  • Markab and the hidden galaxy, 



    
        

            Gabriel Siegl
    B

B

Description: Annotated version

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Sky plot

Sky plot

Histogram

Markab and the hidden galaxy, 



    
        

            Gabriel Siegl