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Howard Astronomical League April 18, 2013 13

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Howard Astronomical League. 13. April 18, 2013. Stumper Question. As of last night, how many asteroids are visible naked eye (mag < 7 )? None About 16 About 128 About 1024 About 4096. - PowerPoint PPT Presentation

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Page 1: Howard  Astronomical League

Howard Astronomical

LeagueApril 18, 2013

13

Page 2: Howard  Astronomical League

Stumper Question

Page 3: Howard  Astronomical League

As of last night, how many asteroids are visible naked eye

(mag < 7)?A. None

B. About 16C. About 128D. About 1024E. About 4096

Page 4: Howard  Astronomical League

Dr. Jason Kalirai, STScI

The Hubble Space Telescope's New Frontier Fields: A Prelude to the

James Webb Space Telescope

Page 5: Howard  Astronomical League

Upcoming club activities

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Star Parties!

April 20th – Public Star Party

May 4th – Members only Star Party

May 18th – Public Star Party

Page 7: Howard  Astronomical League

Public Outreach

April 20th – Solar Max, RNC Green Roof, 1-4 pm

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Member’s astrophotos and

sketches

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Herman Heyn

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Mike Krauss

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Peter Nerbun

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Joe Bohannon

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Chris Todd Time-Lapse sequences from Messier Marathon and Delmarva Stargaze

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Stumper answer

Page 20: Howard  Astronomical League

As of last night, how many asteroids are visible naked eye (mag > 7)?

D. About 4096

In fact, 4,207 asteroids are currently magnitude 7 or less, with the

brightest currently mag 0.9 (2010 KC12), and there are 632 brighter

than mag 4!

Page 21: Howard  Astronomical League

Thank You!

Next month’s meeting is on Thursday,

May 16, 2013

7:30 PM

Guest speakers:

Dr. K.T. Ramesh from Johns Hopkins:

Impact and fragmentation of asteroids

Joe Bohanon:

Kitt Peak Advanced

Observer Program