M 31 — Andromeda

Wide field (T20)

T20 · 17 frames · 51 min · 2026-11-04

The Andromeda galaxy with M32 and M110, 2.5 million light-years out. Seventeen three-minute frames over three nights on a Takahashi FSQ-106 in Utah.

Telescope

StellarDock T20 · Takahashi FSQ-106ED 530 mm f/5 · one-shot colour

Where

Utah Desert Remote Observatory, Utah

Exposure

17 frames · 51 min · 3 sessions

Filters

L-Pro × 17

Colour

one-shot colour (L-Pro)

Star FWHM

1.9 px

Stacked

2026-11-04

Full size

3010 × 1985 px · 1.7 MB JPEG

• vs the Nov 2 stack (10 frames): same sky, same stretch · 1.8 MB

Earlier stacks

Same target, fewer frames or an older render. Each opens the full-resolution file.

2026-11-02 22:58

T20 · 10 frames · 30 min · one-shot colour (L-Pro)

full resolution · 3025 × 2010 · 1.7 MB

2026-11-02 22:10

T20 · 10 frames · 30 min · one-shot colour (L-Pro)

full resolution · 3025 × 2010 · 1.7 MB

2026-11-02 22:07

T20 · 10 frames · 30 min · one-shot colour (L-Pro)

full resolution · 3026 × 2011 · 2.5 MB

2026-11-02 22:05

T20 · 2 frames · 6 min · one-shot colour (L-Pro)

full resolution · 3025 × 2014 · 2.3 MB

Core, single frame (T2)

T2 · 1 frame · 30 s · 2026-11-02

A single 30 s frame of the Andromeda core on a Takahashi TOA-150, white-balanced against 353 Gaia stars.

Telescope

StellarDock T2 · Takahashi TOA-150, 1100 mm · one-shot colour

Exposure

1 frame · 30 s · 1 session

Filters

Clear × 1

Colour

one-shot colour (Clear)

Star FWHM

2.2 px

Stacked

2026-11-02

Full size

2084 × 3122 px · 1.0 MB JPEG