Celestial hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  PGC 2017638  ·  PGC 2020007  ·  PGC 2024204  ·  PGC 2813611  ·  PGC 2813669  ·  PGC 2813726  ·  PGC 2813749  ·  PGC 2813775  ·  PGC 2813776  ·  PGC 2813834  ·  PGC 2813850  ·  PK063+13.1  ·  Ring Nebula
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M 57, 



    
        

            Peter Goodhew
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Getting plate-solving status, please wait...
M 57, 



    
        

            Peter Goodhew
Powered byPixInsight

Acquisition details

Frames:
Astrodon 5nm H-Alpha filter: 245×60(4h 5′) bin 1×1
Astrodon Blue: 7×300(35′) bin 1×1
Astrodon Lum: 96×10(16′) bin 1×1
Astrodon OIII 3 nm: 363×60(6h 3′) bin 1×1
Astrodon Red: 10×300(50′) bin 1×1
Green: 8×300(40′) bin 1×1
Integration:
12h 29′

RA center: 18h53m35s.380

DEC center: +33°0143.58

Pixel scale: 0.530 arcsec/pixel

Orientation: -0.533 degrees

Field radius: 0.370 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 4183x2795

File size: 351.8 KB

Locations: e-Eye, Fregenal de la Sierra, Extramadura, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura

Description

An unusually bright and conventional target for me (something to keep me occupied when the moon is up!).
I chose not to overstretch the outer halo as I wanted to maintain some dynamic range.

Comments

Sky plot

Sky plot

Histogram

M 57, 



    
        

            Peter Goodhew