... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

... Bad Astronomy . Misconceptions . ... Bad Astronomy : The Moon only shows one face to us because it is not rotating. Better astronomy : The Moon only shows one face because it is rotating, once every time it revolves around the Earth. ... Place the Moon model on the table about 30 centimeters (one foot) away with the X facing the Earth model. ... You'll see that to keep the X facing the Earth model, you have to rotate the Moon model as it goes around the Earth model . ... 2008 Phil Plait. ...

... File view and tree view . ... Show (expand) directory tree starting from that point (the sign appears near directory name). ... Alternative way is to click on a [+] sign which appears near directory names throughout the archive (it will bring the tree into view from that directory). ... E.g., searching for "nftp" will find "nftp103.zip", "nftp/readme" and so on. ... nftp*" will find all files (NOT directories) which have the characters "nftp" in their names, including "nftp103.zip" and "about.nftp";...

... What is there beyond the edge of the universe? ... This is often illustrated by newspaper headlines: "Scientist sees face of God, confirms Big Bang model" (a reference to results from the Cosmic Background Explorer satellite), "Is the cosmos younger than some of the stars it contains? ... The Lone Universe . ... We cannot reproduce it; we cannot take another one and see what happens to it; we cannot compare it to anything else, as astronomers routinely do with planets, stars, and galaxies. ...

The angular power spectrum of the anisotropy of the CMB contains information about the formation of the Universe and its current contents. ... The image above shows an all-sky map with only ell=2 power on the left, and another map with only ell=16 power on the right. ... The current status of microwave background anisotropy measurements in my compilation from the literature has 95 data points from 25 experiments. These are all plotted in the figure below: . ...

... 23a. The Centrifugal Force . ... You can also view this problem from the point of view of the outside world, using the centripetal force, but it is not as easy. At point A, on the top of the loop, both gravity and the centripetal force point downwards. ... A car going around a loop, with radius R and velocity V, is accelerating at a rate of V 2 /R towards the center (as long as it stays on the rails), and is therefore subject to a centripetal force mV 2 /R, also directed to the center. ...

Astronomy Discussion Forums . Forums: . ... You Are Missing The Point . ... Post Message | ... Yes, 'lieto' is a label for "something that we know not what" (i.e., if we don't speak Italian), and, yes, we can use 'lieto' as a filler for "something I know not what" but we will use it anyway just to represent whatever 'lieto' does mean. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... MADS] data depth? Tags: break points , data depth , MADS , mean , median , multivariate , nonparametric , order , parasite , quantile , robust , sort , vertebrate . ... Tags: biased , breakdown point , chi-square , confidence interval , coverage , delta chi-square , estimator , LAD , mean , median , plug-in , rmse . ... The breakdown point of the mean is asymptotically zero whereas the breakdown point of the median is 1/2. ... Tags: breakdown point , mean , median , quantile . ...

... Spider scans ( heiles calibration scans ) were taken with alfa on 02nov09 using beam 0 and 03nov09 using beams 0,2,3,4,5 to test its performance. ... Page 5: Pointing error. beam 2 had large za errors. beam 3 had large az errors. ... Plot the rms error and mean error for these newly computed series. ... Plots showing the pointing error vs rotation angle offset (.ps) ( .pdf ): . ... rotating by + 2 degrees reduces the non beam 0 rms from 18.7 to 14.8 asecs. rms Error asecs . mean error asecs . ...

... This task operates on event data in an event list. ... In the first two cases, the celestial coordinates of the reference point are taken respectively as the values of the RA_NOM , DEC_NOM or RA_OBJ , DEC_OBJ values in the input event file header. ... Although the OM attitude information may be more accurate, it will not be present throughout part of the observation, and as such, the default source for the attitude data should be "ahf". ...

... Tiny Tim HST PSF Modeling Page . For a comprehensive discussion of HST focus and PSF modeling, and a web-based procedure for modeling a PSF at a particular time (focus value) please see the . ... For an overview of the difficulties dealing with the field dependence and large angle scattering in WFPC2, take a look at my conference proceeding "WFPC2 Ghosts, Scatter, and PSF Field Dependence" from the "Calibrating Hubble Space Telescope: Post Servicing Mission" Workshop, May 15 - 17, 1995. ...

GROUPS OF ALGEBRAIC TRANSFORMATIONS OF AFFINE VARIETIES FINAL REPORT FOR THE THREE YEARS KARINE KUYUMZHIYAN 1. ... The latter is an algebraic variety with the given field of rational functions and an infinitely transitive regular action of a group of algebraic automorphisms generated by unipotent algebraic subgroups. ... Quotient groups. ... Since over R there exist irreducible non-connected varieties, we cannot have even one-transitivity of any connected group of automorphisms. ...

Szyzyg, yep that's my internet alter ego, I use this name on any systems outside of where I work, Bulletin Boards, Muds, anything where I need a username. ... How do I pronounce Szyzyg? ... Hey I've just seen an episode of the X-Files called Szyzyg! ... Are the descriptions of Szyzyg accurate descriptions of yourself? ... Just click on Back at the bottom of this page and find out about Scott Manley. ... Sigue-Sigue Sputnik - I've never actually been called this but I've always loved the name. ...

... You can work in group sizes as large as 5. Each individual in that group could be assigned a particular question which would allow the group to complete the assignment in a more efficient manner. ... Off in the corner of the store was a small black box with a big sign that read . ... As the century turned, Africa began to emerge from a Dark Age stretching as far back as life on earth, into all the years that lay ahead - years of Renaissance, Enlightenment, Industry, and, if you will, Anxiety. ...

... В разделе По форуму . ... На форуме начался конкурс - Астрофотография месяца: АПРЕЛЬ! ... Форум . ... Дополнительные форумы ? Горизонты науки о Вселенной (Модераторы: Дмитрий Вибе , AlAn ) . Обсуждаем проблемы современной астрономии, астрофизики и смежных наук. ... Тема / Автор . Ответов / Просмотров . Последний ответ . ... Автор Дмитрий Вибе . 16 Ответов . 418 Просмотров . ... Автор Сергей Попов ? ... 5 102 Просмотров . ... О разделе Горизонты науки о Вселенной. ... Автор Ах . ...

... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > How can I find the photometric zero point for my FORS images? ... Science Users Information . Observing Facilities . ... Paranal Facilities . La Silla Facilities . ... Observing with ESO Telescopes . ... Science Software . ... ESO-MIDAS . ... Science Data Products Forum . ... Science Archive Facility . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ...

... Contacting and discussing with people sharing your interests, participating in night sky observations with telescopes as well as a large choice of astronomical books, magazines and video-tapes out of our club library. ... A reasonable compromise for observing both planets and brightest deep sky objects ( nebulae, galaxies) are either a 4 to 8 inch mirror telescope ( Newton, Schmidt-Cassegrain ) or a 3 to 4 inch refracting ( lens) telescope. ... Where can I buy a telescope in Luxembourg ? ...

... Listed below are questions submitted by users of "The Great Magnet, the Earth" and the answers given to them. ... In "The Exploration of the Earth's magnetosphere" on the magnetic environment of the Earth in space (a few Q duplicated here) . ... 11) Magnetic Shielding . ... 51) Can electricity be generated from the Earth's magnetic field? ... 9) Measuring Earth's magnetic field . ... 6) Reversals of the Earth's field (4 queries) . ... 42) Could generated electricity affect Earth's magnetic field? ...

... Meade Instruments Corporation . Telescopes ћ Binoculars ћ Microscopes . ... Frequently Asked Questions: LX200GPS . When I align the telescope, the alignment star is not in the viewfinder. ... After I select an object and press GOTO, the Autostar displays "Slewing.....", but does not seem to move. Is my Autostar broken? ... Can I use my Autostar II on his telescope to access my user objects? ... Choosing A Telescope . ... Copyright 2006 Meade Instruments Corporation, All Rights Reserved. ...

. Comedi Documentation . Prev . Next . comedi_get_board_name -- Comedi device name . #include <comedilib.h> . char * comedi_get_board_name (comedi_t * device); . The function comedi_get_board_name returns a pointer to a string containing the name of the device. This pointer is valid until the comedi descriptor it is closed. This function returns NULL if there is an error. Prev . Home . Next . comedi_get_driver_name . Up . comedi_get_subdevice_type