Asterfolio: Night Notebook
Robert Corbin · Reference
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Chart standing · US
What changed · US
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Price & rating history · US
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Price · 2.99 USD now · 2 changes on record
About
Asterfolio is a red-light-first field notebook for visual astronomers and telescope owners. Preserve what the eyepiece actually showed, under the sky conditions and optical setup that made it visible. KEY FEATURES - Red-light session queue and observation timeline - Magnification, exit pupil, true field, and resolution math - Telescope, eyepiece, filter, and observing-site library - Sketch and image attachments with printable session reports - Optional local photos through Apple's Photos picker - Local PDF project brief - 175 original offline reference plates - No account, ads, analytics, tracking, subscription, or network requirement Asterfolio is an observing notebook and optical calculator. It does not predict safe weather, navigation, solar-viewing safety, object visibility, or equipment suitability. Never view the Sun without purpose-built certified solar equipment and current expert guidance.
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