Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Fireworks Galaxy  ·  HD195688  ·  HD196085  ·  NGC 6939  ·  NGC 6946
Spiral Galaxy NGC 6946 & Open Cluster NGC 6939, 



    
        

            Tom Janssen
Powered byPixInsight

Spiral Galaxy NGC 6946 & Open Cluster NGC 6939

Spiral Galaxy NGC 6946 & Open Cluster NGC 6939, 



    
        

            Tom Janssen
Powered byPixInsight

Spiral Galaxy NGC 6946 & Open Cluster NGC 6939

Acquisition details

Dates:
Aug. 21, 2022
Frames:
119×300(9h 55′)
Integration:
9h 55′
Avg. Moon age:
24.23 days
Avg. Moon phase:
28.58%

RA center: 20h32m00s.26

DEC center: +60°2529.4

Pixel scale: 1.468 arcsec/pixel

Orientation: -7.131 degrees

Field radius: 0.865 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 3000x3000

File size: 7.6 MB

Data source: Amateur hosting facility

Remote source: Eye In The Sky

Description

Spiral Galaxy NGC 6946 (Caldwell 12) and Open Cluster NGC 6939 in Cephei.
Data acquisition: August 21st and August 22nd, 2022
Calibration with Bad Pixel Map only.
Processing up to integration in Astro Pixel Processor.
Further image processing in Pix Insight (Dynamic Crop; Channel Extraction; Linear Fit (Blue as reference); Channel Combination; Dynamic Background Extraction;
Photometric Color Calibration; Histogram Transformation; ACDNR; SCNR; Curves Transformation; Histogram Transformation.

Comments

Sky plot

Sky plot

Histogram

Spiral Galaxy NGC 6946 & Open Cluster NGC 6939, 



    
        

            Tom Janssen