... MICROSCOPES . ... SURGICAL MICROSCOPES . ... Home Products Microscopes Multiscopes EA-Series Achromats and Plan Achromats . EA-SERIES ACHROMATS AND PLAN ACROMATS OBJECTIVES . EA-Series Objectives (Mechanical Tube Length: 160mm; Parfocal Distance: 33mm) . ... Field Flatness . ... EAB Achromats . ... Plan . ... Flat Field . 0.40 . ... Oil Immersion . ... EAP Achromats for Phase Contrast . ... EAF Achromats for Epi-Fluorescence . ... Water Immersion . ...

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• OEM Components
• OEM Optical Components
• Multiscopes

... Dust in Nuclei of Galactic Bulges . ... WFPC2 of 20 nuclei of nearby galactic bulges of types S0-Sbc. ... Bulges of spiral galaxies are generally seen as small elliptical galaxies in the center of a large spiral. ... Here we show first results of a color study of the centers of galactic bulges. ... With these three bands we can make the red I - H color, primarily sensitive to extinction by dust and old stellar population gradients, and the B - I color, especially sensitive to recent star formation. ...

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• NICMOS/HST H-band (F160W) Images of the 30 Dor Starburst Cluster
• NICMOS Coronagraphic Surveys-Preliminary Results
• The Old Stellar Population of NGC 1569 from NICMOS data

pcyg_00072_V_df.fits TARGET = 'P Cygni ' / target EXPTIME = 1. / exposure time ( seconds ) FILTER = ' (3) V (490-580) ' / filter DATE-OBS = ' 2012-11-21T23 :37:36.580' / date of observation (UT) pcyg_00073_V_df.fits TARGET = 'P Cygni ' / target EXPTIME = 0.25 / exposure time ( seconds ) FILTER = ' (3) V (490-580) ' / filter DATE-OBS = ' 2012-11-21T23 :38:59.629' / ...

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• EDM (ImageJ API)

... Bad Astronomy . ... Bitesize Astronomy . ... Here's a question for you: if you were to place the Moon randomly anywhere in the sky, on average, how many stars would it cover up? ... We found that the sky is about 40,000 square degrees . ... The area of a circle is pi * radius^2, so the Moon's area is pi * (1/4)^2=0.2 square degrees. So the number of stars in an area the size of the Moon is 0.15 stars/square degree * 0.2 square degrees=0.03 stars per Moon area. ... 2008 Phil Plait. ...

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Sternberg astronomical institute activities on site testing programs review Victor Kornilov comprehensive/characterization/of/astronomical/sites > kislovodsk/russia/2010/october/4-9 > Introduction This presentation responds on our activity in 5 last years only, inspite of that in SAI site testing researches have been started many years ago. ... More detailed discussion is devoted to MASS and DIMM measurements processing, some additional effects which were taken in account in last year. ...

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• http://site2010.sai.msu.ru/static/doc/GHerriot_site2010.ppt.pdf

... Go to This section of the glossary . ... APHELION : The point in a planet's orbit where it is farthest from the sun. ... It melts at 83.95 K, and boils at 87.45 K. Many people don't realize that argon makes up a full 1% of our atmosphere, while carbon dioxide is only a fraction of a percent of our atmosphere. ... COMET: An object moving about the sun in an eccentric orbit and composed of materials which, on warming up near the sun, form a "tail" which always points away from the sun. ...

187. Oxygen discovered at Saturnт??s moon Dione | Astronomy.com

188. Products

189. http://kcor.sai.msu.ru/arXiv1002.2360.pdf

190. Exoplanet HAT-P-1b: weird, warm and fuzzy | Astronotes

191. Back Cell Adapter - ETX to SCT Thread

192. http://curl.sai.msu.ru/mass/download/doc/dimm_spec.pdf

193. Best Celestial Events of 2006 ? Amateur Astronomers Association of New York

194. AAL Homepage