M31 - Andromeda
LRGB
M 31 - Andromeda
October 2025
At ~2.5 million light-years away, Andromeda (M31) is our nearest large spiral neighbor. Its sweeping dust lanes, satellite galaxies M32 and M110, and abundant star-forming regions make it the perfect benchmark to measure progress in both acquisition and processing.
Target Information
- Catalog ID
- M 31★M 32
- Common Name
- Andromeda
- Constellation
- Andromeda
- Object Type
- Galaxy
- RA
- 0h 42m 42s
- Dec
- +41° 15′ 40″
- Field of View
- 2.94° × 1.96°
Acquisition Data
47h 51m total| Filter | Frames | Exp | Subtotal |
|---|---|---|---|
| Lum | 393 | 60s | 6h 33m |
| R | 284 | 120s | 9h 28m |
| G | 285 | 120s | 9h 30m |
| B | 278 | 120s | 9h 16m |
| Hα | 196 | 240s | 13h 4m |
Equipment
Starfront - Redcat 91 · Starfront Observatories · Bortle 1
Telescope
Camera
Mount
Filters
Accessories
Guiding Optic
Guiding Camera