Polaris - Astro Photography HQ

Polar Alignment

Finding Polaris: Using the Big Dipper to Locate the North Celestial Pole

locate polaris via big dipper

Aiming to find Polaris? Learn how the Big Dipper guides you directly to the North Celestial Pole and unlock more stargazing secrets.

AstroPhotographyHQ Team
December 18, 2025

The bird eye was pushed to an evolutionary extreme

Optics & Sensors

The bird eye was pushed to an evolutionary extreme

New research reveals bird retinas operate without oxygen, using anaerobic glycolysis,…

AstroPhotographyHQ Team
May 17, 2026

uv ir filter usage

Filters & Light Pollution

UV/IR Cut Filters: When You Need Them (and When You Don’t)

A guide to UV/IR cut filters reveals when they enhance image clarity and when you might…

AstroPhotographyHQ Team
May 16, 2026

How an Australian Teen Team Is Making Radio Astronomy Affordable for Schools

Filters & Light Pollution

How an Australian Teen Team Is Making Radio Astronomy Affordable for Schools

A group of Australian teenagers has created a low-cost radio telescope kit, making…

AstroPhotographyHQ Team
May 16, 2026

Perseverance checks in from Mars with a selfie, the mounting pollution from satellite launches, and more science stories

Imaging Basics

Perseverance checks in from Mars with a selfie, the mounting pollution from satellite launches, and more science stories

NASA's Perseverance rover captured its sixth selfie on Mars, while studies reveal…

AstroPhotographyHQ Team
May 16, 2026