Friends
Frequently Visit Links
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Comet Observers dataBaSe---
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Steve Gottlieb's NGC Notes---
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TEC: The Eyepiece Calculator---
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Solar Eclipse Maestro for MacOS X
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THE CALDWELL CATALOG:
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Index of /NGC
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Asteroidal Occultation Observations
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Asteroids with Satellites
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Views of Solar System
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ALPO Journal
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NASA
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IAU MPC
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ESA gaia
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Weekly Info of Bright Comets
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Wikisky
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Accuweather
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Google Sky
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AMATEUR TELESCOPE OPTICS
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Website of Prof of Astronomy
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Astroview
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Astrocafe HK
http://www.astronomy-mall.com/Adventures.In.Deep.Space/steve.ngc.htm
http://davidpaulgreen.com/tec_print.html
http://xjubier.free.fr/en/site_pages/solar_eclipses/Solar_Eclipse_Maestro_Photography_Software.html
http://messier.obspm.fr/xtra/similar/caldwell.html
http://www.asteroidoccultation.com/observations/
http://www.johnstonsarchive.net/astro/asteroidmoons.html
http://www.alpo-astronomy.org/djalpo/
https://www.nasa.gov/index.html
https://minorplanetcenter.net//iau/MPEph/MPEph.html
http://www.aerith.net/comet/weekly/current.html
https://www.accuweather.com/en/world-weather
https://www.telescope-optics.net/index.htm
http://cseligman.com/index.htm
http://astroview.com.cn/forum.php
http://www.astrocafe.hk/index.php?sid=eb2c2e8c0a22690c6020390953faf0e2