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Hemisphere:  Northern  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224  ·  The star 32And  ·  The star νAnd
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Andromeda Galaxy - M31, 



    
        

            Rudy Pohl
Andromeda Galaxy - M31
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Technical card

Imaging telescopes or lenses: Nikon AF-S 300/f4 ED IF, camera lens

Mounts: Sky-watcher Star Adventurer

Software: Deep Sky Stacker  ·  rnc-color-stretch  ·  Gradient Exterminator  ·  Photoshop CS5 Adobe

Accessory: Step-down rings aperture mask  ·  Red Dot Finder RDF


Dates:Oct. 5, 2017

Frames: 112x60"

Integration: 1.9 hours

Avg. Moon age: 14.47 days

Avg. Moon phase: 99.90%


Basic astrometry details

Astrometry.net job: 2174225

RA center: 0h 43' 28"

DEC center: +41° 11' 2"

Pixel scale: 6.979 arcsec/pixel

Orientation: 266.698 degrees

Field radius: 2.377 degrees


Resolution: 4188x2640

Data source: Traveller

Description

Camera: Nikon D5500 unmodified
Lens: Nikon 300/f4 ED
Aperture: f5.2 using stepping rings as aperture mask
ISO: 1600
Exposure: 112 x 1-minute = 1.86 hours total integration time
Tracker: Sky Watcher Star Adventurer mini-EQ mount
Sky conditions: Dark sky, poor seeing, Ottawa light pollution
Processing tools:
rnc-color-stretch - developed by Roger Clark
Photoshop CS5,
Gradient Exterminator,
HLVG (Hasta La Vista, Green!)

Comments

Author

Rudy_Pohl
Rudy Pohl
License: None (All rights reserved)
5243
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Andromeda Galaxy - M31, 



    
        

            Rudy Pohl