Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224  ·  The star 32And  ·  The star νAnd
Andromeda Galaxy - M31, Rudy Pohl
Andromeda Galaxy - M31
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Andromeda Galaxy - M31, Rudy Pohl
Andromeda Galaxy - M31
Powered byPixInsight

Equipment

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Acquisition details

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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

Sky plot

Sky plot

Histogram

Andromeda Galaxy - M31, Rudy Pohl