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5
Astro Events
This month’s events …
• Mar 16 - Moon near Venus
• Mar 20 - Vernal Equinox, Moon near Pleaides
• Mar 21 - Saturn at opposition
• Mar 23 - 1st Qtr Moon
• Mar 29 - Full Moon
6
Astro Events
Next month’s events …
• Apr 7/8 - Mercury at highest altitude
• Apr 15 - Moon near Venus and Mars
• Apr 16 - Mars nearest Beehive
• Apr 17 - Next CE Meeting
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Featured Objects
• Orion - The Hunter– Several giant stars – Famous nebula of the same name– Trapezium discovered by Galileo– Most stars are fairly close to us
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Featured Objects
• Orion - The Stars– Giant stars are common– Betelgeuse - a high mass, variable red
giant, ready for supernova– Rigel - brightest, a blue supergiant– Bellatrix, Alnitak, Alnilam, Mintaka are
also blue giant stars– Trapezium cluster
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Featured Objects
• Orion - The Clouds– Molecular Cloud Complex
• 1500 - 1600 ly away, 100’s across• Easily observable• Region of active star formation
– M42, M43, M78, Horse Head, Flame, Barnard’s Loop
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Table of Objects in Orion
Name Type Mag Dimensions RA DEC
M 42 Bright nebula 4 90.0'x60.0' 05h 35m 23.7s -05° 22'
M 43 Bright nebula 9 20.0'x15.0' 05h 35m 35.7s -05° 15'
M 78 Bright nebula 8 8.0'x6.0' 05h 46m 53.9s +00° 05'
NGC 1973 Bright nebula 7 5.0'x5.0' 05h 35m 11.7s -04° 43'
NGC 1975 Bright nebula 7 10.0'x5.0' 05h 35m 23.7s -04° 40'
NGC 1977 Bright nebula 7 20.0'x10.0' 05h 35m 23.7s -04° 50'
NGC 2024 Bright nebula 30.0'x30.0' 05h 41m 47.8s -01° 50'
Target List
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Web Links• Wikipedia
www.wikipedia.com
• SEDS - Open Clustersseds.org/messier/more/m042_trapezium.html
• Jerry Lodrigusswww.astropix.com
• Shadow and Substanceshadowandsubstance.com