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RTT150 . ... One of the image, obtained in the May, 2003, with Andor DW436 CCD. Cluster 1541+6626, filter R, exposure 15 minutes, the resolution is 1", limiting star magnitude is 23m, the field of view is 8' x 8'. At the left: image of cluster 0720+7132 (z=0.268) obtained in the beginning of November, 2002 with RTT-150 and AP-47P CCD. 25 minutes exposure in R. The resolution is 0.7" (angular size of the image element - 0.23"), limiting stellar magnitude is 23.5-24. ...

This WWW form allows the user simplified access to images produced by the NRAO/VLA Sky Survey (NVSS). This service determines which NVSS image is desired based on a celestial position and returns either the image directly or a Web page with a link to the file. ... The NVSS Postage stamp (small FITS file) server can be used to obtain images with other geometries.) ... Web browsers use external viewers to display files like FITS images which they do not understand. ...

... Some of them are demonstrated above, and I'll address the "how-to" aspects one by one. ... Save your image as transparent based on the average color of your background tile. ... It will appear to be all one color now, but it's still finely dithered. Use your eyedropper tool to select one of the colors, and fill the bottom layer of your working image with it. ... Either way you go, this method is the first step to for all the other ones, it's from this file that we get our transparency mask. ...

... Home Education Workshops at Adorama Astro Imaging Workshop: Planetary Astro Imaging with a DSLR ? December 7, 2014 . ... Astro Answers . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Presented by€а Adorama€а For the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... When the strip that contained the galaxy was bandpass corrected, a negative image of the galaxy was present for the entire strip. ... If a continuum source drifted through the beam during this time, the cal deflection would be contaminated. ... The continuum source peaks at strip sample 67. ... You could take more samples (a longer strip) or remove the continuum sources before computing the bandpass correction. ... Top image. ... The bandpass correction does not contain any of the continuum source. ...

Home . ... Survey processing . ... ESO - Public Surveys . near IR surveys . ... VISTA Optics: Cutaway CAD model of optical elements. image: optics_cutaway_w9cm_300dpi.jpg . Credit: VISTA . VISTA Optics: Ray pathes. image: rays_120dpi.jpg . ... Menu of 23/10/2012 . Page updated 17 January 2007 by J.P.Emerson to whom comments should be sent . ESO ][ VISTA Home ] ...

... These so called Out-of-Time (OoT) events gets a wrong RAWY value assigned, and thus eventually a wrong energy correction. ... generate an image from the OoT event list evselect table=PiiiiiijjkkPNblllOOEVLInmmm.FIT imagebinning=binSize imageset=PN_OoT_image.fits withimageset=yes \ xcolumn=X ycolumn=Y ximagebinsize=80 yimagebinsize=80 . ... change the name of the COUNTS column in the OoT event spectrum to CTS_OOT . ... copy the CTS_OOT column of the OoT event spectrum into the source spectrum . ...

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... This program was created for correlating chosen regions in the series of fts images. ... Chosen regions' . ... In this section the program counts the integral for each region of the grid for each image. ... As a matter of fact, the integral is total brightness of the region and it is counted by 'int_tabulated' IDL function. ... In addition, the program will show the count of the regions which correlate with the corresponding region (the brighter region means the bigger count) and its contour. ...

This site contains images of astronomical subjects taken from the Martian surface by the Spirit and Opportunity rover cameras in Spring 2004. ... This image was taken by the Spirit rover in early March 2004. ... A martian sunset as viewed from Spirit . Animation of a transit of the satellite Phobos across the disk of the sun as captured by the Opportunity rover on 12 March, 2004. ... An image of a possible meteor in the martian atmosphere taken by Spirit on 7 March, 2004. ...