telescope calibration - Astro Photography HQ

Guiding & Tracking

Periodic Error Demystified: What to Measure (and What to Ignore)

Guided by proper measurement techniques, uncover which periodic errors matter most and learn how to effectively correct them to improve your astrophotography results.

AstroPhotographyHQ Team
February 20, 2026

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Guiding & Tracking

Dithering 101: The Tiny Move That Makes Your Photos Look 10x Cleaner

Want to transform your photos into cleaner, smoother images? Discover how dithering…

AstroPhotographyHQ Team
February 22, 2026

Guiding & Tracking

PHD2 Settings That Actually Matter (Most People Waste Time Here)

Find out which PHD2 settings truly impact your guiding performance and discover how to…

AstroPhotographyHQ Team
February 21, 2026

Guiding & Tracking

Periodic Error Demystified: What to Measure (and What to Ignore)

Guided by proper measurement techniques, uncover which periodic errors matter most and…

AstroPhotographyHQ Team
February 20, 2026

Guiding & Tracking

Mount Payload Ratings Lie: Here’s the Real Imaging Payload Formula

Mount payload ratings can be misleading because they often ignore real-world factors…

AstroPhotographyHQ Team
February 19, 2026