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    Friends

    • http://www.jjjastronomy.com/

    • http://deepskymono.com/

    Frequently Visit Links

    • Comet Observers dataBaSe---

    • Steve Gottlieb's NGC Notes---   

    • TEC: The Eyepiece Calculator---

    • Solar Eclipse Maestro for MacOS X

    • THE CALDWELL CATALOG:

    • Index of /NGC

    • Asteroidal Occultation Observations

    • Asteroids with Satellites

    • Views of Solar System

    • ALPO Journal

    • NASA

    • IAU MPC

    • ESA gaia

    • Weekly Info of Bright Comets

    • Wikisky

    • Accuweather

    • Google Sky

    • AMATEUR TELESCOPE OPTICS

    • Website of Prof of Astronomy

    • Astroview

    • Astrocafe HK

    https://cobs.si

    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://ngcicproject.org/NGC/

    http://www.asteroidoccultation.com/observations/

    http://www.damianpeach.com

    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://sci.esa.int/gaia/

    http://www.aerith.net/comet/weekly/current.html

    http://wikisky.org

    https://www.accuweather.com/en/world-weather

    https://www.google.com/sky/

    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