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24 Coma Berenices
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non-Contrast Multiple
non-Contrast Multiple
61 Cygni
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non-Contrast Optical Double
non-Contrast Optical Double
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with Planets
47 Ursae Majoris
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M79
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h and Chi Persei
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M35
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M44
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NGC457
NGC663
NGC6530
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M49
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M82
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M31
M51
M65
M66
M81
M94
M104
M106
NGC7331
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Diffuse Nebulae
M17
M42
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Planetary Nebulae
M27
M57
NGC2392
NGC3242
NGC6826
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M1
Programs
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Life of a Star
Sizing Up Saturn
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Stars, Stars and More Stars
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Reference Sites
Reference Sites
American Association of Variable Star Observers
https://www.aavso.org
Astronomy Picture of the Day (APOD)
https://apod.nasa.gov/apod/
Richard Dibon-Smith - The Constellations
http://www.dibonsmith.com/
Richard Dibon-Smith - The Flamsteed Collection
http://www.dibonsmith.com/flamsteed.pdf
European Space Agency (ESA)
http://www.esa.int/ESA
ESA Hipparcos Catalog
https://www.cosmos.esa.int/web/hipparcos/catalogues
NASA
https://www.nasa.gov
NASA Space Science Data Center
https://nssdc.gsfc.nasa.gov/
National Optical Astronomy Observatory
http://ast.noao.edu/
Peoria Astronomical Society - Constellation Pages
http://www.astronomical.org/constellationsCopy/constellation_index.php
SEDS
http://spider.seds.org
SEDS Constellations
http://maps.seds.org/Const/constS.html
SEDS Messier Catalog
http://www.messier.seds.org/
SIMBAD Astronomical Database
http://simbad.cfa.harvard.edu/simbad/
SolStation.com
http://www.solstation.com
Space Telescope Science Institute (STScI)
http://www.stsci.edu/
United States Naval Observatory (USNO)
https://www.usno.navy.mil/USNO
University of Illinois - Dept of Astronomy - Stars and Constellations Catalog
http://stars.astro.illinois.edu/sow/sowlist.html
University of Leicester - Dept of Physics and Astronomy
https://www2.le.ac.uk/departments/physics/research/xroa
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