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Weather |
Star Chart for the Skies of Maple Bay |
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Star Chart courtesy: Weather Underground Astronomy |
| Sun/Moon Data for Maple Bay | |||||
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Sunrise: 05:27 Sunset: 20:54 Space Weather DIY Sunspot Viewer |
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Moon Phase: Waxing Gibbous Moon Age: 28 days, 0 hour, 8 minutes in its cycle Moon Illumination: 88% Full Moon: Monday, June 4th 2012 @ 04:13 PDT New Moon: Sunday, May 20th 2012 @ 16:49 PDT |
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| Sun/Moon Position | |||||
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| Sun-Spots - Last 30 Days |
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| Graph courtesy of Newquay Weather | Space Weather |
| Astronomy Fact: |
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| A teaspoon-full of Neutron star would weigh about 112 million tonnes. |
| Phenomenal FREE Planetarium software with Satellite Tracking: Stellarium |
| Sky Viewing Forecast | |
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| Forecasts courtesy of Clear Sky Chart |
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| Stellar Neighbours | |||||
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| Stellar Neighbours courtesy of Hyperphysics | |||||
| Earth Satellite Vehicle Passes | |||||
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| Satellite Ground Trace courtesy of Heavens-Above.com | Daily predictions for brighter satellites | ||||
Notes about viewing ESVs:
- When using look angles, choose passes with high magnitudes - less than 6.0.
- Best viewing is when ESV is in Earth's penumbra - on map-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.
