. This is a new popup window - close it when you are done . Submitted by Haldun I. Menali on 06/07/2012 09:39:59 . My setup - 1 . Orion ST80mm refractor + Orion glass white light solar filter . Lunt 60mm Doppler Tuning H-alpha scope w/ B600 blocking filter . Canon XTi DSLR camera . Clone of Orion SkyView dual-head alt-az mount . Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us

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... Apache HTTP Server Version 2.2 . ... This document describes the use of filters in Apache. ... The Filter Chain is available in Apache 2.0 and higher, and enables applications to process incoming and outgoing data in a highly flexible and configurable manner, regardless of where the data comes from. ... A wider range of applications are implemented by third-party filter modules available from modules.apache.org and elsewhere. ... There are two ways to use filtering: Simple and Dynamic. ...

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• mod_sed - Apache HTTP Server
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• How filters work in Apache 2.0 - Apache HTTP Server

... Archives . ... I decide to discuss Kalman Filter a while ago for the slog after finding out that this popular methodology is rather underrepresented in astronomy. ... When I learned ?Kalman filter? for the first time, I was not sure how to distinguish it from ?Yule-Walker equation? (time series), ?Pade approximant, (unfortunately, the wiki page does not have its matrix form). ... Tags: Cressie , inference , Kalman filter , kriging , MADS , spatial statistics . ... Comment ( RSS ) | ... Chandra Blog ...

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• The AstroStat Slog Blog Archive [MADS] Adaptive filter
• The AstroStat Slog Kalman filter
• The AstroStat Slog adaptive filter

... hkgtigen (hkgtigen-1.14.2) [xmmsas_20070708_1801-7.1.0] . ... This does not exclude the possibility to apply this GTI data set to single-exposure event lists. ... For doing this, please construct the GTI sets for all desired instruments (e.g. gti_om.ds , gti_emos1.ds , gti_sc.ds ) and combine them in the selection expression that drives the filtering process in task evselect : evselect table=ev.ds expression="TIME in gti(gti_emos1.ds) && \ TIME in gti(gti_om.ds) && TIME in gti(gti_sc.ds)" .. ...

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• Index

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

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• Baader NEODYMIUM (Moon & Skyglow) filter

... The file lpf_coefficients.txt , which is created automatically as part of the filter generator's output, contains the actual values of the low-pass filter coefficients. ... The file contains a few comments about the filter in lines beginning with a "#". ... In the hardware, the gain of the filter is scaled by the "gain" comment at the beginning of the file (about 1.05) to accommodate for the window function and the truncated sin(x)/x to give a mean gain of 1.0 for the filter. ...

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• lowpass digital fitlers
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... Near Infrared Camera and Multi-Object Spectrometer Instrument Handbook for Cycle 17 > Chapter 4: Imaging > 4.1 Filters and Optical Elements . 4.1 Filters and Optical Elements . ... 4.1.2 Out-of-Band Leaks in NICMOS Filters . ... Each camera has 20 filter positions on a single filter wheel: 19 filters and one blank. As a result, not all filters are available in all cameras. ... A trailing letter identifies the filter width, with ? ... Table 4.1: NIC 1 Filters. ... S III] continuum . ...

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• Polarizer Quad Filter
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. R=4.7k-10 kOhm . Ca=Cc=2*Cb . Cb=Cd=1/(2*sqr(2)*pi*Fc*R) . Units: R [Ohm], Cx [F], Fc [Hz] . Contributor: Joakim жgren Source: ? Please send any comments to Joakim жgren .

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• HwB: Active Filter: Butterworth 12dB Highpass
• HwB: Active Filter: Bessel 24dB Lowpass
• HwB: Active Filter: Butterworth 6dB Highpass

Peremennye Zvezdy", . ... Min . ... GSC 1031-00478, USNO-B1.0 1025-0401150 . ... min . ... MinII = 13.55. TOA150 observations are added. ... The star is near the edge of the frame. ... The star is too faint to be measured on available TOA150 images. ... The difference in the mean magnitudes derived from ASAS, NSVS, and our unfiltered observations is due to the extremely red color of the star and not to slow large-scale light variations. ... Bertin, E., Arnouts S., 1996, Astron. ... 2003, Astron. ...

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... Data . ... Weston Creek, ACT 2611 . ... Office: +61 (0)2 6125 6711 . Mobile: +61 (0)433 905 777 . brad -at- mso.anu.edu.au . ... If you decide to use any of the data, please cite the proper paper. ... University of California, Berkeley . D-367 Hearst Field Annex #3411 . Berkeley, CA 94720-3411 . ... Mobile: +1 916 230 9537 . brad -at- astro.berkeley.edu . ...

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• Filter Throughput Curves
• Index of /~bessell/FTP/Filters
• Index of /~bessell/Filters

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . ... Day Star Filters, LLC . Filters for use with solar observing. ... Listed Since February 16, 1999 . ... 909) 591-4673 . ... 909) 591-6886 . Web Site . ... Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• Schuler Astro-Imaging Filters, AstroGuide Listing
• Re: Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message
• Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message

... Tonight's Sky . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... solar system . galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Imaging Basics . ... Observing Basics . ... Observing Basics: Visual Solar Filters . ... Expand your observing at Astronomy.com . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Amateur astronomers image a rare glow | Astronomy.com
• Using filters | Astronomy.com
• Filtered solar views | Astronomy.com

ARCSAT ID NUMBER: AS10 DESCRIPTIVE TITLE: A New Filter to Study Stellar Populations. ... BRIEF SCIENCE JUSTIFICATION: We propose to use a newly designed filter (named W: 845-880-nm) to measure the [ЮБ/Fe] ratio in red giants and trace the chemical evolution of stars in the Milky Wayт??s globular clusters, halo and Local Group galaxies. ... We will use the newly-acquired 2т??x2т?? filter from Manastash Ridge Observatory to start observing globular clusters. ...

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• Astrophysical Research Consortium - Apache Point Observatory
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• Apache Point Obs. filters

... Requests for Comments (RFCs) – это набор документов выпущенных Internet Engineering Task Force (IETF) из Network Information Center (NIC), которые представляют новые протоколы и устанавливаемые стандарты для стека протоколов Интернет Каждый такой документ определяет аспект относительно протокола Интернет. Ниже мы перечислили все RFC, которые имеют отношение к этой книге и различному программному обеспечению описанному в ней. ... User Datagram Protocol (UDP). ... Internet Protocol (IP). ...

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• Work Scan Program + Data Viewer (IDL widget)
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Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Telescopes and Observatories . ... The majestic star-forming region in the Lagoon Nebula. The pale ring to the right is an internal reflection in the telescope.€а (Image credit: ESO/ VPHAS+/ V. Kalari and J. Vink (Armagh Observatory) . ... The 18 component images were further processed twice. ... Venu and his colleagues use images like this to identify individual young forming stars in the Lagoon Nebula and determine their ages. ...

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• Are you an astronomer: Seven telltale signs! | Astronotes
• amateur astronomy | Astronotes
• Stargazing Live 2012 in Armagh | Astronotes

... Meade Series 4000 Nebular Filters incorporate the very latest in interference coatings technology. ... Technical Basis of the Meade Broadband Nebular Filter: As shown in the transmission graph below, the Meade Broadband Nebular Filter strongly rejects the light of sodium- and mercury-vapor lights as well as natural airglow and auroral emissions. ... Meade Series 4000 Narrowband Nebular Filters . ... Meade Series 4000 Oxygen-III Nebular Filters . ... Meade Series 4000 Photo-Visual Color Filters . ...

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• Blocking Filters - Coronado€о Solar - Products
• Coronado 5mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products
• Coronado 10mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products

... 64] 7 Outputs Set by 7 Secondary 28 9 BS Adders Ctrl { Auto , Manual } Auto Defaults TestOnly 11 10 BS Adders Mode {Bypass, Add} Bypass Defaults Enabled by 9 =M Dependent 12 11 BU O/P Spectrum* { Natural , Flipped} Natural Outputs Primary * 3 3 12 BL O/P Spectrum* { Natural , Flipped}* Natural Outputs ... 1023] 512 Defaults Enabled by <26>=M Dependent < > 2 28 I/P Offset Control {Auto, Manual} Auto Defaults Primary < > 3 29 Manual Offset [0.. ...

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• http://www.atnf.csiro.au/pub/people/dferris/das_params/ParamList_P.ps
• http://www.atnf.csiro.au/pub/people/dferris/das_params/ParamGroups.ps
• A Post-Correlation equivalent to an Adaptive Filter

Night of October 29, 2011 ========================= CDK20 Sloan filter set 100 second exposures DATE -OBS= ' 2011-10-30T02 :37:01' Field will not solve with astrometry.net Header listing for HDU #1: SIMPLE = T / file does conform to FITS standard BITPIX = -32 / 32 bit floating point data pixel NAXIS = 2 / number of data axes NAXIS1 = 4096 / length of data axis 1 NAXIS2 = 4096 / length of data axis 2 EXTEND = T / 376.. ...

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• Filters (ImageJ API)
• ij.plugin.filter Class Hierarchy (ImageJ API)

... Data Reduction FAQ > A number of OmegaCAM filters show vignetting in their central regions. What are the causes for this and what are the dimensions of these features? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... A number of OmegaCAM filters are not monolithic, but consist of four segments (each covering 8 detectors) that have a central cross-shaped support structure. ... Filter . ...

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• productExplorer
• Imaging Titan with a Tunable Filter | ESO
• Titan Observed Through Nine Different Filters on November 26, 2002 | ESO

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

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• Observing with VISTA
• VISTA ETC - Exposure Time Calculator