Useful Links
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Members Pages
John Murphy's PixInsight NormalizeScaleGradient script
YouTube
Learn how to use the PixInsight NSG Script by the author John Murphy
NormalizeScaleGradient Introduction, by the author John Murphy
NSG Part 1: WBPP settings and NSG Overview
NSG Part 3: Gradient Smoothness
NSG Part 5: NWEIGHT & 'PSF Scale SNR'
Learn how to use John Murphy's PixInsight NSG Script by watching Adam's excellent video's:
Mark Radice - Refreshing Views
Orbital Mechanics with Lubos Fedora
Publications
Amateur Astrophotography - NEW
Adrian Berry (1937 -2016)– Science author and columnist
The Hub Post - Top 50 Astronomy Nasa Photos of All time
Willmann-Bell, Inc. Publishers and Booksellers
Astrophotography Links
How to image star constellations with Canon 600D
Christian Buil – Spectroscopy, CCD & Astronomy
Richard Berry – Digital Imaging and CCD Cookbook Camera
Societies
British Astronomical Association
CfDS - The Commision for Dark Skies
The Federation of Astronomical Societies
Guildford Astronomical Society
Southern Area Group of Astronomical Societies - SAGAS
Info
ResearchGate - Discover research
The World’s Largest Optical Telescopes
Wikipeadia entry for Astronomy
Information on Satellites
Celestrak - Historical Data for a selection of Satellites
Heavens Above - Visible Satellite Predictions (including the ISS)
Mike McCants' Satellite Tracking Web Pages
Space-Track - Unclassified Orbital Elements
Manufacturers
Farpoint / Optical Structures, Inc. (OSI)
Losmandy Astronomical Products
QHYCCD - Astronomical and Scientific Cameras
Soleye - Next Generation Solar Scopes
Suppliers
Adirondack Astronomy – Stella Cam
Takahashi America - Texas Nautical Repair
Thin Metal Films - Re-coating service for optics
UK Telescopes - Evergreen Optics
Science / Space Centres
UK
The Observatory Science Centre - Herstmonceux
Winchester Science Centre & Panetarium
USA
American Museum of Science and Energy (AMSE)
Smithsonian - National Air and Space Museum
Smithsonian - National Air and Space Museum, Steven F. Udar-Hazy Center
Kennedy Space Center Visitor Complex
Amateur Telescope Makers
Resources and Techniques for the Amateur Telescope Maker