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Exposure integration plans
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Exposure tab now shows imaging plans — "100 × 10s = 17 min" instead of just a minimum exposure time. Three quality tiers (Preview, Good, Deep) let you choose how long to shoot based on your goals
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Per-camera tier selection
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Each camera card has its own tier selector — pick Deep for your cooled CMOS while keeping Good for the SeeStar
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Forecast camera picker
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Sub-exposure column in the forecast table now has a dropdown to view any of 15 cameras' optimal exposure across forecast hours
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Firmware step badges
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SeeStar S30/S50 cards show their locked exposure steps (10/20/30s)
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Refined exposure floor
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Minimum viable exposure redefined (k=3 read-noise swamp) separately from the recommended optimal (k=10), giving users a clearer usable range
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Fixed pipeline memory leak
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Interpolator cache, raster eviction, and temp directory cleanup prevent worker OOM crashes
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Fixed heatmap scoring
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Shared scoring library eliminates boundary artifacts; grid reduced to 1° for memory stability
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MapLibre GL JS migration
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Dashboard map upgraded from Leaflet to MapLibre GL JS for GPU-accelerated vector tile rendering
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Dark sky heatmap color scale
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Inverted colors — dark sites fade to black, light-polluted areas glow warm orange/white, matching how the sky actually looks
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Night-centered map
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Map opens centered on the dark hemisphere so the nighttime observing region is always in view
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Heatmap loading indicator
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Spinner overlay while sky quality data loads
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Dark-themed map popups
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Site tooltips match the app's dark theme
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Heatmap scoring fix
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Removed longitude-dependent boundary artifact that created a visible vertical line across the map
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Fixed overnight window dates
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Windows spanning midnight now show the correct day
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Fixed best window selection
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Best observing window now correctly identifies the highest-scoring period
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Fixed observing window scores
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Peak scores display as integers
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Per-profile heatmap
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Heatmap updates when switching scoring profiles — see how conditions differ for deep sky vs planetary vs visual
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Global sky quality heatmap
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Color overlay showing real-time sky quality across the globe, computed from GFS weather data at 0.25° resolution
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Day/night terminator
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Solar terminator line on the map showing the current day/night boundary
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Map view improvements
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Scored integer displays, globe color refinements, pre-warmed globe cache
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Map view
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Interactive world map on the dashboard — sites plotted with tier-colored markers, click to open site detail
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Dashboard grid views
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Three view modes — List, Large Grid (with globe backgrounds), and Small Grid (compact)
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Globe backgrounds
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Large grid cards show a faint orthographic globe centered on the site's location
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View preference persists across sessions via localStorage
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Fixed globe rendering for southern/western hemisphere
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Sites in South America, Africa, etc. now render correctly instead of showing a blank globe
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Fixed profile scores showing as integers
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Profile tab scores on site detail now show one decimal place
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Observing profiles
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Six scoring modes — General, Deep Sky, Planetary, Lunar, Wide Field, and Visual — each reweighting domains and factors for different imaging goals
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HRRR fix
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Removed pressure-level downloads that were failing on NOMADS
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Profile selector on site detail
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Switch profiles to see score, domain breakdown, observing windows, and forecast chart update instantly
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Profile dropdown on dashboard
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All site scores and sorting reflect the active profile
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Profile-aware observing windows
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Best window and forecast highlights shift per profile (e.g. planetary windows favor seeing over transparency)
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Profile selection persists across pages via localStorage
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Ground-layer Cn² improvements
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Dewpoint depression moisture curve, stronger wind modulation, low-elevation amplification for better suburban/sea-level seeing estimates
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Twilight transition model
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Solar depression penalty during dusk/dawn — setup time now reflected in forecast graphs
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Coherence time (τ₀)
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Added 300/200 hPa wind levels and stratospheric wind decay for more accurate coherence time
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HRRR regional model overlay
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3km hourly CONUS data overlays GFS for short-range forecasts, significantly improving boundary layer and seeing predictions for US sites
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Observing window stability
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Bridge single-hour gaps and filter sub-2-hour windows to prevent chaotic recommendations on forecast graphs
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Changelog page
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at /changelog with recent changes banner on dashboard
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Site detail layout improvements
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Fixed 30 sites with wrong elevation
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Sites created when DEM data was unavailable now automatically retry instead of defaulting to 100m
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Orthographic globe
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on site detail page showing site location
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Site detail full-bleed layout redesign
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Dashboard redesign
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Search, sort, grid view, inline score form in toolbar
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Header redesign with score form in dashboard toolbar
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Widened volcanic aerosol curve for better sensitivity
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Fixed complex number artifact from NetCDF/scipy interpolation
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Automatic reconnection after brief outages
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Longitude sign warning for Americas users entering positive longitudes
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Improved scoring reliability from user feedback
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Fixed complex number leak at interpolator creation
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Starred sites
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with dashboard toggle
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URL-friendly slugs
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for shareable site pages
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Tabbed site detail
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Forecast, domains, and exposures as tabs
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Observing window time summaries above forecast chart
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Day labels on observing windows
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Sub-exposure section redesigned with card layout and f-ratio selector
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Fixed timezone lookup errors
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Sign in with GitHub or Google
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Claim sites, set public/private visibility
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My Sites page
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Manage your observing locations
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Per-site presence
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See who else is viewing a site
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Observing window bands on forecast chart for all nights
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Times shown in 12-hour AM/PM format with local timezone
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Best Window shows start of stable observing period, not peak hour
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Full GPS precision preserved for coordinates
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Unified site detail into single tabbed card layout
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Advanced view with tabbed domain navigation
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Chart and timestamps in site local timezone
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Sub-exposure recommendations with tabbed camera groups
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Effective sky brightness model
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Weather-aware sub-exposures combining light pollution, clouds, aerosols, humidity, moon, airglow, zodiacal light, galactic background, twilight, and elevation
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SeeStar S30
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added to camera catalogue
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Practical exposure caps for interchangeable cameras
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Fixed memory leak in raster store
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Server-rendered 14-camera sub-exposure table
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Hufnagel-Valley Cn² profile
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for scintillation (replaced constant model)
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Calibrated against ESO Paranal DIMM data (RMSE 0.347", was 0.568")
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Altitude-aware humidity correction for seeing estimates
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Expanded GFS to 32 weather variables for better atmospheric profiling
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Sub-exposure calculator with three-regime model
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SeeStar S50 per-hour sub-exposure recommendation
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Live viewer counts on sites
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GPS coordinate quantization to 2 decimal places (~1.1km)
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Global score form in header
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Updated logos and favicon (telescope theme)
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Fixed score ceiling (~83) caused by two broken normalization curves
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Spec version reporting and incomplete score flagging
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Fixed confidence as weight modifier in weighted geometric mean
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Exclude missing factors from aggregation
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Unique site name enforcement
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Continuous scoring pipeline
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with independent data fetch and score loops
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In-memory raster sampling
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for faster, more reliable data extraction
