OBSERVATORY LOG — ORIGINAL ASTRONOMY ART
Aphelion Prints

The observatory

Journal

Field notes on astronomy art, turning your photos into paintings, getting prints right, and the stories behind the objects we draw.

Aurora Explained: What Causes the Northern Lights

20 Jul 2026

Aurora Explained: What Causes the Northern Lights

How the solar wind, Earth's magnetic field and the upper atmosphere combine to paint the sky green, pink and violet — and why they make such striking wall art.

Personalised Star Maps: What They Show & How to Choose the Moment

18 Jun 2026

Personalised Star Maps: What They Show & How to Choose the Moment

What a personalised star map actually shows, why the date, time and place change the stars, and how to choose the right moment — a plain-English guide.

What Is a Constellation? The 88 Patterns, Explained

18 Jun 2026

What Is a Constellation? The 88 Patterns, Explained

A constellation is a star pattern and a defined area of sky. What the 88 official constellations are, who sets them, and how to spot them from the UK.

Canvas vs Framed Print vs Poster: How to Choose

18 Jun 2026

Canvas vs Framed Print vs Poster: How to Choose

Canvas, framed print or poster? A plain guide to glare, longevity, paper weight, cost and size — and which suits a gift, a statement wall or a budget.

How to Turn a Photo Into a Painting

16 Jun 2026

How to Turn a Photo Into a Painting

The easiest way to turn a photo into a painting — upload, pick a style, preview free in seconds, and print it gallery-grade if you love it.

Turn a Photo Into Wall Art: 4 Styles Compared

16 Jun 2026

Turn a Photo Into Wall Art: 4 Styles Compared

Post-impressionist night, nebula watercolour, retro sci-fi or blueprint? A side-by-side look at four ways to turn a photo into art for your wall.

What DPI Do You Need to Print a Photo?

16 Jun 2026

What DPI Do You Need to Print a Photo?

How big can you print your photo? A plain-English guide to DPI, megapixels and print sizes — and why we block sizes that would look soft.

The 8 Phases of the Moon, Explained

16 Jun 2026

The 8 Phases of the Moon, Explained

New, waxing, full, waning — the eight phases of the lunar cycle in plain English, and why they make such a quietly perfect wall print.

A Beginner's Guide to Astronomy Art

16 Jun 2026

A Beginner's Guide to Astronomy Art

Nebulae, galaxies, blueprints and retro travel posters — the main genres of astronomy art, and how to choose prints that work together on a wall.

The Best Gifts for Astronomers & Space Lovers

16 Jun 2026

The Best Gifts for Astronomers & Space Lovers

A gift guide for the stargazer in your life — matched to what they actually love about the sky, from lunar charts to personalised photo art.

How to Turn a Photo Into Line Art

16 Jun 2026

How to Turn a Photo Into Line Art

Turn a photo into clean single-line art or a line drawing — upload, pick the Line Art style, preview free, and print it gallery-grade.

Photo to Canvas: The Complete Guide

16 Jun 2026

Photo to Canvas: The Complete Guide

Everything about turning your photo into a canvas print in the UK — sizes, resolution, frames, cost and how to get it sharp.

What Is a Nebula? The Main Types, Explained

16 Jun 2026

What Is a Nebula? The Main Types, Explained

Emission, reflection, dark and planetary nebulae — what they are, how they differ, and the famous ones you can hang on a wall.

What Is the Pale Blue Dot?

16 Jun 2026

What Is the Pale Blue Dot?

The photograph Voyager 1 took of Earth from six billion kilometres out — what it shows, why Carl Sagan asked for it, and what it means.