M31-Andromeda Galaxy

The great Andromeda Galaxy M31 in messier catalog

This is a 4 panel mosaic capture during two cold nights.

 

Starless version : flic.kr/p/2mDSYEG

 

-Equipment-

Scope: TS-Optics 94/414 EPDH (414mm focal)

Camera: ZWO ASI533MC Pro at -5°C

Guiding: ZWO OAG

Guiding camera: ZWO ASI 120MM

Mount: Skywatcher NEQ5

Filter: Astronomik L

 

-Acquisition-

Light :Panel-1 60x300s

Panel-2 60x300s

Panel-3 52x300s

Panel-4 60x300s

Dark-100x300s Flat-50 Bias-100

Date : Take on 2 night 05 September2021

and 10 October 2021

Location : France-Alsace Bortle 4/5

 

-Software-

Carte du Ciel, N.I.N.A, Phd2 , PoleMaster and PixInsight

Ez Processing Suite from darkarcon

darkarcon website : darkarchon.internet-box.ch:8443/

 

-Pre Processing each panels in PixInsight-

Image Calibration

Cosmetic Correction

Debayer

Subframe Selector

Star Alignement

Local Normalization

Drizzle x2

Dynamic crop

 

-Build the 4 panel mozaic

It's my first 4 panel mosaic so I follow this tutorial from Amy Astro www.youtube.com/watch?v=T0f8Tl_kC0A

 

-Processing

 

DBE master Light

Split L,R,G,B layer from Master light

 

__L__

Ez_Deconvolution

Ez_Denoise

Ez_Soft Streatch

Ez_HDR

UnsharpedMask with mask

 

__RGB__

Linear Fit

BackgroundNeutralization

PhotometricColorCalibration

Ez_Soft Streatch

Starnet++

CuvesTransformation with mask

A lot of curves...

Bring back stars with PixelMath

 

__LRGB__

LRGBCombination

Final CurvesTransformation

Ez_Star Reduction

DarkStructureEnhance script

Save as jpg

 

Clear Skies !

Done