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Hemisphere:  Northern  ·  Contains:  Andromeda Galaxy  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224  ·  The star 32And  ·  The star νAnd
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Andromeda Widefield, 


            Jon Stewart
Andromeda Widefield
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Andromeda Widefield

Technical card

Imaging telescopes or lenses: William Optics RedCat 51 RedCat 51

Imaging cameras: ZWO ASI 294MC PRO ZWO ASI 294 MC PRO

Mounts: Celestron AVX

Software: Sequence Generator Pro Seqence Generator Pro  ·  Photoshop CC  ·  Deep Sky Stacker 3.3.4 Deep Sky Stacker

Accessory: Celestron Focus Motor  ·  QHY Polemaster

Dates:Aug. 15, 2020

Frames: 56x180"

Integration: 2.8 hours

Avg. Moon age: 25.72 days

Avg. Moon phase: 15.54%

Basic astrometry details job: 3940250

RA center: 0h 43' 32"

DEC center: +41° 12' 43"

Pixel scale: 3.839 arcsec/pixel

Orientation: 76.963 degrees

Field radius: 2.589 degrees

Resolution: 4024x2716

Locations: Clark Lake, Otter Lake, Quebec, Canada

Data source: Backyard


The great Andromeda is a favourite target around this time of year, well above the tree line in the North West after sunset. It's also dark enough here that you can see it with the naked eye during moonless nights like last night.

It's size makes it a perfect candidate to shoot with the RedCat 51... essentially a very nice 250mm camera lens that functions like a telescope. With nearly 3 hours of data, the outer bands are visible, and the starfield is colourful!



Jon Stewart
License: None (All rights reserved)

Sky plot

Sky plot


Andromeda Widefield, 


            Jon Stewart