... message #5 : from AR+SRi, Mar 97, about the ADC cards and the filter/clock box. message #6 : from AR, Mar 97, about the limiting magnitudes after the March 97 run. message #7 : from AR, May 97, about the characteristics of the new filter/offset box. message #8 : from AR, Aug 97: the FIRPO photometric system and recommendations. message #9 : from SRi, Aug 97: more on the new filter/offset box, and the use of a generator as a clock. message #10 : from AR, Feb 99: about the new and old FIRPO setup. ...

... This information may be for older NA2 filters?? Filters There are 7 filter positions, containing the following filters from Custom Scientific . ... 0 - Bessell R . ... The only filter requiring a focus offset is the ND2 + R filter which will be measured on the sky. ... The red filter attached to the ND2 in position 6 is not the same as the Bessell R. Number 6 is an RG610 red glass filter ( Rolyn 65.1355 ) for the 610 nm cut-on. ... Focus . ... Guider Mechanical Controller (filter and focus) . ...

OptInt PmWiki . ... PmWiki . ... This page explains how to discourage "link spamming" on your wiki site using PmWiki's urlapprove.php script. ... allowing you to limit the number of unapproved links that may be added to a page. ... The reason for this is that the approve mechanism only approves links on the current page. ... To see what link is to be approved without editing the page a tool tip can be displayed when the cursor hovers over the (approve links) link that displays the URL. e.g. Example . ...

... 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 . ...

... After the edit, recompile the kernel and recompile the Apache server then reboot. ... If you're running a really busy BSD Apache server, the following are useful things to do if the system is acting sluggish: . ... Maximum # of processes . ... This machine is a server that handles lots of traffic, # so we crank that value. options NMBCLUSTERS=4096 # mbuf clusters at 4096 # # Misc. options # options CHILD_MAX=512 # maximum number of child processes options OPEN_MAX=512 # maximum fds (breaks RPC svcs)...

... 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 ...

Radio data are displayed in the following format: . After the title with name of cluster under examination and with line about kind of data under one, e.g. Radio data [ optical data ] [ radio source identifications ] [ radio spectra (1.0 or 1.1) ] . ... The first line contains the number of radio sources associated with the cluster (these are just those sources with entries in sections 'Radio galaxy', 'Radio source' and 'Radio spectrum' below). ... Radio sources in cluster: 2 # . ...

... It lists the coefficients defining the colour transformations, the zero points for the different filters and the aperture radii used in the photometric calibration analysis. ... The AB system zero point of the filter FilterID is stored in the keyword ABM0 FilterID , e.g. the AB zero point of the the U-filter is stored in ABM0U. The flux conversion factor derived from White Dwarfs of the filter FilterID is stored in the keyword FCF FilterID . ... description . ... AB Flux conversion factor of U . ...

... A plot macro is a set of commands that you can execute together by invoking the name of the macro; in effect, it is a plot subroutine. ... You can make a macro in 4 ways: . ... The rule to remember if you do this is that the name of the macro must be the first thing on a line of the file, and should be followed by SM commands. ... Similarly, the right and left arrows advance the cursor one character right and left, respectively. within a line, keys will work just like the history editor . ...

ESO Phase 3 Data Release Description Please start from this template when preparing the documentation for your ESO Phase 3 data release. ... Finally, the release description will be published as submitted - without further editing by ESO - to support the user community in utilizing the data. ... Please indicate if this is a catalogue data release. ... Data Reduction and Calibration Please address the following questions for scientific catalogue data, particularly in case of source catalogues: . ...

Hide Zen home . ... GIN . ... contains: value_array @> query_array . ... An example for a Gin opclass can be found in ginarayproc.c. Datum * extractValue( Datum inputValue, uint32* nentries) Returns an array of Datum of entries of the value to be indexed. nentries should contain the number of returned entries . int compareEntry( Datum a, Datum b) Compares two entries (not the indexing values) Datum * extractQuery( Datum query , uint32* nentries, StrategyNumber n) Returns an ...

... IC 1396 . IC 1396, better know as the Elephant's Trunk. ... LGB (no red)and H filters as follows: . L - 25 images, G and B - 15 images each, all with a subframe of 180 seconds. Halpha (Used Halpha in place of Red filter) - 20 images of subframe 360 seconds. Processed/stacked with CCDStack. Combined and stacked with PS CS5. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... GCN 8471 | ... TITLE: GCN CIRCULAR NUMBER: 8516 SUBJECT: GRB 081102: MASTER refind and final results DATE: 08/11/11 15:50:10 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina, D.Kuvshinov, P.Balanutsa Sternberg Astronomical Institute, Moscow State University A. Tlatov, A.Parkhomenko Kislovodsk Solar Station of the Pulkovo Observatory V.Krushinski, I.Zalognikh Ural State GCN Circ 8470, Lipunov et al., ...

... Observations have received at the telescope AT-64 of the Crimean Astrophysical Observatory . GRB . ... RA(2000): 11h 45m 10.54s . DEC(2000): 17o 24' 34.44" . ... Filter: none . ... Date, time (UT) . Exposure . ... 2000.07.29 18:21:52 . 30 sec . ... RA(2000): 19h 58m 19.61s . DEC(2000): 23o 32' 35.15" . ... 120 sec . ... DEC(2000): 6o 20' 47.07" . ... 240 sec . ... DEC(2000): 51o 46' 34.93" . ... DEC(2000): -13o 04' 30" . ... DEC(2000): +55o 18' 25.0" . ... 2000-11-09T16:03:19 . ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

Catalog of Vertex Final Documentation and Siemens Manuals DRAFT 8-25-00 hagen/wpfiles/vertexfinaldoc.wp6 Preliminary documentation 1. ... Volume IV.1 Sect Sect Sect Sect Sect Sect Sect Sect Sect Sect Sect Sect Sect Sect Sect Sect Sect Volume IV.2 Sect Sect Sect Sect Sect Sect Ve ion ion ion ion ion ion ion ion ion ion ion ion ion ion ion ion ... Volume V.1 Software Documentation - PLC Software Rev.2.0 Dec. ...

XEphem Forum Message . Forums: . ... God and Science ћ SETI ћ Software ћ UFO ћ XEphem . ... Post . ... Re: Re: Filter Based On Catalogs? Forum List | ... Post Message | ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

GALAXIES IN THE FIELD OF GRB 021004 I.V.Sokolov, Yu.V.Baryshev, T.A.Fatkhullin Results of the B,V,R,I investigations (counts, photometric red shifts, etc.) of the field of size ~ 4\'.3 x 4\'.3 centralized at the host galaxy of GRB 021004 are presented. ... The exposure times were: 3600s (B), 3600s (V), 2700s (R), 1800s (I). Photometric red shifts of these galaxies up to z ~ 3 were determined. Galaxies with a possible broad absorption at 2200A (in the rest frame) were selected. ...

... 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 . ...

... 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. ...