Curated Astronomy Resources
A hand-picked collection of high-value astronomical databases, software documentation, observing tools, and legacy community sites.
Open-Source Hardware & Software
- PiFinder Project: Open-source, hands-free plate-solving device designed for Dobsonian and visual telescopes.
- N.I.N.A. (Nighttime Imaging 'N' Astronomy): Open-source equipment control and sequence suite for astrophotography.
Weather, Ephemeris & Sky Conditions
Tools for tracking atmospheric transparency, seeing conditions, and real-time solar or satellite activity:
- Clear Dark Sky (Clear Sky Clocks): The gold standard for astronomical weather and seeing forecasts across North America.
- Tonight's Sky: Custom visual observability and target planning tool built to calculate aperture thresholds under real sky conditions.
- SpaceWeatherLive: Real-time solar activity, coronal mass ejections, and aurora forecasts.
- NOAA Space Weather Prediction Center: Primary source for space weather metrics and geomagnetic storm alerts.
- Heavens-Above: Detailed satellite tracking, ISS pass predictions, and bright event charts.
- Seiichi Yoshida's Weekly Comets: Up-to-date visual magnitudes and ephemerides for active comets.
- Fourmilab Your Sky: Interactive sky map generator tailored to any location on Earth.
Dark Sky Mapping & Target Planning
Reference maps, planetarium software, and target selection databases:
- Light Pollution Map: High-resolution satellite overlays for locating dark sky sites and monitoring light encroachment.
- David Lorenz Dark Sky Maps: Classic VIIRS and legacy light pollution overlays mapped directly onto Google Maps.
- SEDS (Students for the Exploration and Development of Space): Foundational deep-sky databases including detailed Messier and NGC target profiles.
- Sky-Map.org (Wikisky): Interactive, zoomable sky map overlaying survey imagery across deep-sky catalogs.
- Cartes du Ciel (Skychart): Outstanding open-source planetarium software for scope control and charting.
- SkyTools: Comprehensive visual and photographic target planning and logbook software.
Astrophotography, Capture & Post-Processing
Core utilities for image acquisition, guiding, alignment, and image reduction:
- AstroBin: The primary image hosting and technical database for astrophotographers worldwide.
- N.I.N.A. (Nighttime Imaging 'N' Astronomy): Advanced, open-source astrophotography suite for full equipment orchestration.
- PHD2 Guiding: Open-source autoguiding software essential for long-exposure imaging.
- DeepSkyStacker: Pre-processing and stacking software for deep-sky calibration frames.
- RegiStax: Wavelet alignment and stacking tool optimized for planetary, lunar, and solar detail.
- PIPP (Planetary Image Pre-Processor): Utility designed for cropping and pre-filtering planetary and solar video frames.
- BackyardEOS: Dedicated camera control software for Canon DSLR astrophotography.
- ExCalibrator: Photometric color calibration tool using star flux data from astronomical surveys.
- Scott Rosen's LLRGB Primers: Excellent processing tutorials covering DSLR workflow and advanced color synthesis.
Space Science & Solar Observatories
Direct access to space-based observatories and solar monitoring hardware:
- SOHO (Solar and Heliospheric Observatory): Real-time solar imagery and coronagraph feeds observing the sun 24/7.
- NASA Spitzer Space Telescope: Mission archive and infrared survey imagery.
- Chandra X-Ray Observatory: High-energy astrophysical research and X-ray target galleries.
- NASA+: Official NASA live streaming, mission coverage, and media archive.
Community, Clubs & Equipment
Clubs, marketplaces, DIY optics, and citizen science initiatives:
- GHAAS (Greater Hazleton Area Astronomical Society): My original home astronomy club in Pennsylvania where my adult journey began.
- Gary Honis Memorial Archive: Hosted legacy site preserving Gary Honis's DSLR modification guides, cooling tutorials, and equipment guides.
- Astromart: premier classified marketplace for buying and selling tested, pre-owned astronomical gear.
- Cloudy Nights: The largest global discussion forum, equipment review site, and classified marketplace for amateur astronomers.
- Surplus Shed: Outstanding source for inexpensive surplus optics, lenses, eyepieces, and mechanical hardware.
- Galaxy Zoo (Zooniverse): Citizen science platform helping professional astrophysicists classify galaxy morphologies.