M31 Andromeda

[ApophisAstros]

Had to crop quite a bit off as had quite a thick border at bottom and on the right , not sure why maybe stacking parameters  somewhere?

Imaging telescope or lens:SkyWatcher 120ED Imaging System for Canon DSLR Cameras
Imaging camera:ZWO ASI183MM Monochrome 4/3" CMOS USB3.0 Deep Sky Imager Camera
Mount:Skywatcher EQ6-R PRO Synscan
Guiding cameras:Skywatcher 9x50 Finderscope,  QHYCCD 5L-II MONO
Focal reducer:Skywatcher 0.85x Focal Reducer/Corrector for Evostar-120ED
Software:DeepSkyStacker x64 by Luc Coiffier, Tony Cook, David C. Partridge Deepsky Stacker 4.1 64bit,  Astro Photography Tool,  ADOBE PHOTOSHOP Cs2
Filters:ZWO CCD LRGB Filter-Set 36mm,  zwo EFW 7-position Filter Wheel for 36mm Unmounted Filters
Accessory:QHYCCD PoleMaster
Resolution: 5116x3322
Dates: Sept. 25, 2018
Frames: 96x180"
Integration: 4.8 hours
Avg. Moon age: 15.13 days
Avg. Moon phase: 99.85%
Astrometry.net job: 2273776
RA center: 10.614 degrees
DEC center: 41.261 degrees
Pixel scale: 0.629 arcsec/pixel
Orientation: 108.700 degrees
Field radius: 0.533 degrees
Locations: Home, Worthing, West Sussex, United Kingdom
Data source: Backyard

[The Thing]

Hi Roger,
Is this a stack of just the red filter data? It's very red. The data looks good but the galaxy cores are blown out.

[Carole]

There is some nice detail in the dust lanes, but if this is LRGB there is something very wrong in the processing, as Duncan says it is too red, and there does not seem to be any other colour to be extracted from the image despite having all channels.

Shame you couldn't get your small refractor mounted in time for this as it would have given a great FOV on M31. 

BTW this is another target that would benefit from shorter subs for the cores, although with careful selective layering you can just about get away without doing that on this target.

Take another look at your processing work flow Roger, I have a sneaking feeling you have put wrong colours into the channels, i.e. red more than once.

Otherwise the data is quite nice.

Carole