Gallery Index

M31

Andromeda Galaxy

Our nearest giant spiral neighbor

TypeGalaxy ConstellationAndromeda SeasonAutumn PaletteNatural color
Image Details

Capture summary

Catalog M31

Galaxy in Andromeda

Exposure Broadband RGB

Natural color

Filters Natural color

Broadband RGB

Frame 2021

Autumn target / wide composition

Exposure Breakdown Broadband RGB

Detailed filter totals have not been entered for this image yet.

Same target, different years.

Older revisions stay in the archive so you can see how the target changed with different equipment, processing, and experience.

A classic anchor image for the archive, with bright galactic core, dusty lanes, and companion galaxies in the field.

Target Planner

Galaxy in Andromeda; best planned for September through November from New Jersey.

Best season September through November

Autumn is a strong window for Cepheus, Cassiopeia, Andromeda, and late Cygnus fields.

Good from NJ Late summer through autumn evenings

Assumes a New Jersey backyard horizon and evening imaging.

Object type Galaxy

Prioritize transparency, darker skies, and long broadband integration.

Constellation Andromeda

M31 is listed here in Andromeda.

Moon tolerance Best near new moon.

Current frame: Natural color / Broadband RGB.

Planning from Sewell, NJ

Calculating target altitude and moon context.

Check your location Open full planner

Use the full planner to enter a ZIP code, choose a date, and compare the target from your sky.

Planning values are approximate and update in your browser.

Planning site Sewell, NJ 39.7700, -75.1400
Current altitude ...

Based on the current time.

Target transit chart Compact altitude curve for this target over a full day. Target ...

Green marks usable dark-sky altitude.

Next transit ...

Next upper transit.

Rise / set ...

Approximate horizon crossing.

Moon now ...

Moon phase and altitude.