... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...

Wednesday, August 22nd, 2012 . GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer)? (http://eros NULL .usgs NULL .gov/#/Find_Data/Products_and_Data_Available/gtopo30_info) . ... You are currently browsing the Лаборатория лазерной интерферометрии blog archives for August, 2012. ... Наши публикации . ... Публикации за 2010 . Публикации за 2011 . ... Лаборатория лазерной интерферометрии is proudly powered by WordPress . ...

... Satellite data ] . SMIS ] . Pavodok" Project . Satellite observations of various regions of Russia and Ukraine during spring. ... observation of numerous regions during flood period; . reserach on opportunities of detecting areas of large floodings using meteorological satellite data; . ... testing techniques of automatic simultaneous monitoring of multiple regions ; . ... 1998: 12 March-31 May. ... Monitoring is performed using data from NOAA-12 and NOAA-14 polar orbiting satellites. ...

. Russian version of HP . About StarCalc . News . Samples of images . Downloads . StarCalc Home Page - Samples of images . The program window with large part of sky image (quick view) . Selected object and information window (quick view) . Pleiades and nearby sky area (quick view) . Partial solar eclipse, 2003 (detailed view) . Moon in Pleiades, 2007 (detailed view) . The Pluto path, 2002 (detailed view)

MAJOR MAGNETIC STORMS 1932-1997 ACCORDING TO THE Ap* CRITERIA To view a plot of the number of magnetic storms v.s. sunspots, go to ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/APSTAR/magstorm.gif A simpler global index of magnetic activity (other than Kp or Km) is produced in France from the K indices of two nearly antipodal magnetic observatories in England and Australia. ... An AA* index has been derived that is the counterpart of Ap* but is available for the longer span of years. ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

MAIN PAGE . ... LINKS . ... AAL Members Sites . ... Amateur Astronomy . ... Mars Missions . Observatories Telescopes . ... astronomylinks.com. - astronomy and space links, shortcuts, favorites and bookmarks . ... Mel Bartels' Homepage about Amateur Telescope Making and a lot of interesting links (thx to Hugues Laroche for the link!) ... STEREO (Solar TErrestrial RElations Observatory) consists of two space-based observatories - one ahead of Earth in its orbit, the other trailing behind . ...

. Russian SHAREABLE DATA CENTER . The start of measurements is 16 April 2002 y. at 6:30 UT. Measures N e , T e , T i , V i (line-of-sight) at 100-900 km. Largest decrease in N e - on Apr 20. Increase in T i by ~1000 K. Millstone Hill . Irkutsk . Composition | Objectives | Capabilities and samples | Request for work | Back to main page . If you have any questions, please contact us: esceir@iszf.irk.ru , rp@iszf.irk.ru . http://esceir.iszf.irk.ru/isr/apr2002dataen.htm . Last modification: 28.08.02.