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M31
M31 — Andromeda Galaxy
Galaxy
· AndromedaBeginner
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Observing: Tonight · 8:00 PM–5:00 AM
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Target information
- Object type
- Galaxy
- Constellation
- Andromeda
- Right ascension
- 0h 42m 44s
- Declination
- +41° 16′ 07″
- Magnitude
- 3.4
- Angular size
- 190′ × 60′
- Surface brightness
- 13.5 mag/arcmin²
- Difficulty
- Beginner
- Best months
- September, October, November
- Catalog IDs
- M31;NGC 224;UGC 454
About this target
Nearest large spiral galaxy; wide-field target.