... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

Next: Examples and Hints Up: CCD Detectors Previous: Cleaning Images . The COMPUTE/IMAGE command can be used to perform the operation of dark subtraction and flat fielding. ... To do a dark subtraction enter the following: COMPUTE/IMAGE DENOM = FLAT_AVG-DARK_AVG . where DENOM is the result frame, FLAT_AVG is the average of flat fields, and DARK_AVG is the average of dark frames. ... To flat--field a data frame, enter the following: COMPUTE/IMAGE SCIE_FLAT = (SCIE_IN-DARK_AVG)/DENOM . ...

... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... February 2007 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

... Abstract Compute L_s, the planetocentric longitude of the sun, as seen from a specified body. ... Brief_I/O Variable I/O Description -------- --- -------------------------------------------------- body I Name of central body. et I Epoch in seconds past J2000 TDB. abcorr I Aberration correction. ... The "instantaneous orbital plane" is interpreted in this routine as the plane normal to the cross product of the position and velocity of the central body relative to the sun. ... Link to routine source ....

Using Target Visibility Checker, V8.0 . ... Proposers Info Documents Manuals AO-15 Information AO-16 Timeline OTAC Results Target Visibility Tool Target Search Tool . ... If you select this entry option (Default) you can provide the revolution range for which the visibility should be computed. ... A time is specified for the minimum length that a target is required to be visible. ... The visibility tool imposes that for a target to be visible, all corners of the corresponding bin must be visible. ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... This listing's details have proven difficult to confirm. See many more Astronomy Listings by: Category or Alphabet . ... Listed Since February 13, 1999 . ... 810) 635-9191 . ... 810) 750-1761 . Web Site . ... Web . www.astronomy.net . ... 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 ...

... AAC , February 18th Explanation: You no longer have to wake-up early to see Comet Hale-Bopp . From many northern locations, you can now go outside just after sunset and see Comet Hale-Bopp above the north-western horizon . ... Comet Hale-Bopp 's coma now rivals even last year's Comet Hyakutake, and the tail appears to be increasing in length daily. ... Publications with keywords: Comet Hale-Bopp . Publications with words: Comet Hale-Bopp . ... The Dust and Ion Tales of Comet Hale-Bopp . ...

... This describes how to set up a VNC connection using standard MacOS programs. ... Before opening the VNC viewer, you will need to SSH onto remote to start a VNC session on dataview, as described above. ... When you open Chicken, you will get a VNC Login window with a number of fields on the right.. ... If you get this wrong (or if you entered your VNC password incorrectly on the VNC login screen), you will get an Authentication Failed message and will be asked again to Enter password to retry . ...

... The Galway Astronomy Club are pleased to announce details of their upcoming Astronomy Festival to take place at the 4* Westwood House Hotel from Friday February 12th to Saturday February 13th 2010. The event will be styled in the same manner as this year (which worked very well) and will have ten different speakers. ... Dr Aaron Golden NUI Galway: тАЬHas Earth Contaminated the Solar System? тАУ the Case for Life on MarsтАЭ . ... International Year of Astronomy, Ireland National Node . ...