Hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Andromeda Galaxy  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224
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M31 - Andromeda Galaxy, 



    
        

            Lee
M31 - Andromeda Galaxy
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M31 - Andromeda Galaxy

Technical card

Imaging telescopes or lenses: William Optics RedCat 51

Imaging cameras: ZWO ASI533MC Pro

Mounts: Sky-Watcher AZ EQ6 GT Pro

Software: Starkeeper.it Voyager  ·  PixInsight  ·  Aries Productions Astro Pixel Precessor  ·  PHD2


Dates:Sept. 13, 2020Sept. 17, 2020Sept. 18, 2020Sept. 19, 2020

Frames: 274x120" (gain: 100.00) -10C bin 1x1

Integration: 9.1 hours

Avg. Moon age: 7.20 days

Avg. Moon phase: 6.95%


Basic astrometry details

Astrometry.net job: 3974532

RA center: 0h 42' 51"

DEC center: +41° 15' 54"

Pixel scale: 3.125 arcsec/pixel

Orientation: 274.116 degrees

Field radius: 1.780 degrees


Resolution: 2900x2900

Data source: Backyard

Description

Mixed data sets captured over 4 nights with Voyager. The small chip in the ASI533 requires a short focal length to just fit in M31. Using the RedCat 51 at 250mm served the image well here, although there can be a little loss of absolute detail when imaging at this focal length and pixel scale.

Guiding was done using a small (32mm) guide scope sat inside the RedCat "handle" alongside a ZWO 120MM-mini. The RedCat also has the DSD3 auto focuser installed.

Stacked and calibrated in APP, then processed in PixInsight.

Comments

Revisions

  • M31 - Andromeda Galaxy, 



    
        

            Lee
    Original
  • Final
    M31 - Andromeda Galaxy, 



    
        

            Lee
    E

E

Description: Performed some additional sharpening in Affinity Photo

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M31 - Andromeda Galaxy, 



    
        

            Lee

In these public groups

William Optics CAT Series