SUMMARY: X-ray Event exceeded M5
Weather Conditions Clear skies, Dry Visibility: 10 miles |
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This Icon is a Combination of Blue Canyon Airport and Data From foresthillweather.com |
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Advisories / Alerts |
Severe Wx Summary! | ||||
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Tue, Mar 19, 2024 - 5:11am |
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Info Links
Star Chart for Northern California |
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Star Chart courtesy: AstroViewer | Monthly SkyMap |
Sun/Moon Data for Foresthill California: | |||
Sunspot Activity |
Astronomical Twilight starts: 5:34 am Nautical Twilight starts: 6:06 am Dawn starts: 6:41am Sunrise: 7:10am Transit: 1:15pm Sunset: 7:20pm Dusk ends: 7:41pm Nautical Twilight ends: 8:14 pm Astronomical Twilight ends: 8:46 pm DIY Sunspot Viewer |
73% |
Waxing Gibbous Moonset: 4:43am Moonrise: 2:06pm Transit: 8:56pm Full Moon ( Mar-25 ) Last Quarter ( Apr-01 ) New Moon ( Apr-08 ) First Quarter ( Apr-15 ) |
Space Wx |
Astronomy Fact
Light from the sun takes 8 minutes to reach you, thus you see the sun as it was 8 minutes ago. It might have blown up 4 minutes ago and you wouldn't know about it!
Color Key |
Worse | Better | Best | Sky (including Wind) | ||||||||||
Worse | Best | Worse | Ground |
Space Track-Satellite Passes
Notes about viewing ESVs:
When using lookangles, choose passes with high magnitudes; less than 6.0. ("Looks" are local time.)
Best viewing is when ESV is in Earth's penumbra; on the map, it's the solid line during night.
Dotted line on map denotes ESV is dark, in Earth's umbra (shadow).
Objects in orbit have to maintain a speed of at least 17,500mph, therefore ESVs traverse the sky noticeably different than aircraft.
ESVs appearing to blink are either tumbling rocket bodies, or spinning payloads with deployed solar arrays.
High-Eccentricity objects have a more ellongated orbit. Ground trace looks like a backwards C.
Regression-Ground traces will move West with each orbit due to Earth's rotation.
Script courtesy of: Lee from MadALwx. Page template and Facts script courtesy of: TNET Weather.
Page Template and Moon script courtesy of: Saratoga Weather. Graph base code courtesy of: jpGraph.
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