GOES-East GeoColor
Forecasts, sky charts, satellite loops, radar, sky quality, and all-sky views for the sites I check before setting up.
Live observing conditions for Sewell, NJ.
Gathering forecast, alerts, and overnight conditions.
Calculating sunrise, twilight, and dark-sky timing.
Waiting for location.
Calculating moon altitude and phase.
Live forecast
NWS values for the selected site. Smoke and transparency stay a separate check below.
Live NWS cloud cover is loading.
Local moon context is loading.
Live NWS wind forecast is loading.
Live NWS dew point and humidity are loading.
Review HRRR-Smoke or AirNow below before a long session.
Active NWS alerts are loading.
Loading tonight's window...
Loading overnight cloud trend…
Loading hourly forecast...
Weekly outlook
Fetching the seven-night observing outlook…
Forecast links and observing references for Sewell, NJ. Change location at the top of the page.
Home reference
Coordinates: 39.77, -75.14
Current local time:
Light pollution: Bortle 5 · suburban Gloucester County — confirm on Astrospheric
Voorhees State Park area
Coordinates: 40.59, -74.63
Current local time:
Light pollution: Bortle 4 · rural northwest NJ near Voorhees State Park — confirm on Astrospheric
Pine Barrens
Coordinates: 39.64, -74.65
Current local time:
Light pollution: Bortle 3 · Pine Barrens dark site — confirm on Astrospheric
Dark-sky trip site
Coordinates: 41.68, -77.85
Current local time:
Light pollution: Bortle 2 · Cherry Springs dark-sky park — confirm on Astrospheric
Experimental ZIP forecast
Coordinates: Enter a ZIP above.
Local forecast time:
Experimental guidance from the ZIP centroid. Use caution and verify with local conditions before setting up.
Live views
Comparing the local forecast with the other live checks.
Looking for active National Weather Service alerts.
Smoke can soften faint detail even when the sky looks clear.
Open smoke mapReading nearby airport conditions as a second opinion.
Waiting for the selected site's forecast signals.
Checking active alerts.
Loading alerts...
Transparency checks that affect faint detail.
Loading Sewell-area airport observations.
Loading METAR-style station data...
Loading Sewell-area terminal forecasts.
Loading TAF data...
This page brings together outside observing forecasts and chart images with local dashboard calculations.