Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Exploring the Extreme Universe with the Fermi Gamma-ray Space Telescope? by David Thompson . ... Lecture Series 2010-2011 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Fpack and Funpack User's Guide FITS Image Compression Utilities William Pence, NASA Goddard Space Flight Center, Greenbelt, MD 20771 Rob Seaman, National Optical Astronomy Observatory, Tucson, AZ 85719 Rick White, Space Telescope Science Institute, Baltimore, MD 21218 February 2011 1. ... Compression versus noise When losslessly compressing images, the amount of compression that can be achieved depends almost completely on one simple factor: the amount of the noise that is present in the pixel values. ...

... STAR FIELDS Newsletter of the Amateur Telescope Makers of Boston Including the Bond Astronomical Club Established in 1934 In the Interest of Telescope Making & Using Vol. ... 1 January 2009 Last month's meeting was certainly a special event that was highlighted by the attending members' demonstration of both kindness and dedication to amateur astronomy. ... I suggested that she attend the upcoming meeting to talk to the membership. ... Steve This Month's Meeting.. ... Happy New Year! ...

... October 8th to 10th at the Hope Conference Center as usual. ... Please contact me if you can help, or have an interesting topic to talk about. ... Ludovico D'Angelo, Director STARQUEST October 8th to 10th Hope Conference Center See reservation forms at the back of this issue September Meeting Our speaker for the September 14th kickoff meeting of the AAAP will be Dr. Joel L. Groves. ... Detectors built at the Schlumberger Princeton Technology Center (PTC) are on the Cassini and Hubble space systems. ...

... What are mechanisms of secular evolution? ... Internal mechanisms of secular evolution may b e: · bar instabilities in dynamically cold disk galaxies , · deviations from circular rotation due to non-axisymmetric gravitation p otential effect which may b e produced by planar structures ... gravitational and energetic, effects of nuclear sup ermassive black holes ­ they may provoke as attraction as well expansion, · certain gas expansion by galactic winds and fountains, etc ...