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t he m essier c atalog upcoming: messier marathon 2008 ! please notify us of any scheduled events! -- messier marathoners : contribute your results ! ( 2008 and earlier) index of messier objects with image icons or in text mode go, find the hottest stuff here ! look at nebulae look at star clusters look at galaxies during the years from 1758 to 1782 charles messier , a french astronomer ( 1730 - 1817 ), compiled a list of approximately 100 diffuse objects that were difficult to distinguish from comets through the telescopes of the day. discovering comets was the way to make a name for yourself in astronomy in the 18th century -- messier's first aim was to catalog the objects that were often mistaken for comets. fortunately for us, the messier catalog became well known for a much higher purpose, as a collection of the most beautiful objects in the sky including nebulae , star clusters , and galaxies . it was one of the first major milestones in the history of the discovery of deep sky objects , as it was the first more comprehensive and more reliable list: only four or five objects were initially missing because of data reduction errors, which could be figured out later though. today's versions of the catalog usually include also later additions of objects observed by charles messier and his collegial friend, pierre méchain , but not included in his original list. the study of these objects by astronomers has led, and continues to lead, to important, incredible discoveries such as the life cycles of stars, the reality of galaxies as separate 'island universes,' and the possible age of the universe. the purpose of these web pages is to provide a complete guide to the 110 objects recognized as the standard messier catalog. more importantly, we would like to generate interest in astronomy , the night sky and the universe beyond us, and to encourage a sense of wonder and exploration. we also hope that these pages may be useful as a reference for amateur astronomers. for each object, an image is presented together with a short description; click on the image to get a larger-format version. in addition to the images, we have also included some data on these objects such as celestial position (right ascension in hours and minutes [h:m], declination in degrees and minutes [deg:m], both for the epoch j2000.0), apparent visual brightness in magnitudes [mag], apparent (angular) diameter in arc minutes [arc min], and approximate distance in thousands of light-years (kilo-light years [kly] please note that the decimal point in the distance does not represent true accuracy; see explanation of the terms used here ). also, we have constellation images which show messier and ngc (new general catalog) objects down to 12th magnitude. our messier database has been updated throughout to html 2.0, and is steadily evolving into html 3. in order to enjoy the full comfort of this html level, we recommend to use the most recent release of netscape (2.01 or 3.x), ibm's os/2 webexplorer (1.03, 1.1x, or 1.2), or other html 3 compliant browser to view these pages. however, at least for now, we try to restrict ourselves to the strict and pure html standards and don't plan to add proprietary features of certain browsers, e.g. netscape's extras (frames). moreover, we try to keep the pages appealing (or at least readable) under less advanced browsers such as mosaic or lynx; please complain if your browser has certain problems ! we thank all who have expressed interest in these pages, and have sent us e-mail with suggestions and corrections. the contributions of others have significantly influenced what the pages are now. we hope to further approach the state of a top-of-the line resource with in-depth information including object descriptions, "star-hop" techniques to easily locate the objects with small telescopes, and more. if you'd like to help us to improve our database, please also check our request for information list which contains those data which most urgently need to be confirmed, improved, or contributed. these pages were created , with the help of many volunteers, by guy mcarthur , mark elowitz , hartmut frommert and christine kronberg . hartmut frommert [contact] is currently maintaining this service and responsible for the current contents (especially any errors). if you have anything to contribute, or find any errors, please contact me . any constructive feedback is highly appreciated! awards other options messier object names icon sheet : clickable icons for all messier objects in one screen, or static messier poster (195k jpg) various messier posters view messier objects by constellation in image icons or in text mode view messier objects by right ascension , by declination , or by visual magnitude view the messier datafile with image icons or in text mode the original messier catalog , (translation to english) and scans of the original messier catalog of 1781 (obtained from the copy of the bureau des longitudes, paris). a list of other messier goodies quick browser for our messier images messier object photo list in image icons or in text mode (including world wide links - ..under reconstruction! ) the messier marathon : observe all messier objects in one night ! (or at least as much as you can; others did it before ..) tony cecce's twelve month tour of the messier catalog ; current month's tour jeff bondono 's messier object references in magazines and books (hosted at seds) featuring: messier object of the week messier questions and answers : more interesting questions on messier and his catalogs messier catalog animations and interactive options . os/2 web explorer users may enjoy our messier related web explorer animations the messier pages now have mirrors and translations to other languages (notably a german , an italian , and a french version); for fastest access, please look for your nearest mirror. note: parts of this is still in the making ! links dave nash has created virtual messier , a graphical interface to access our messier catalog database messier images from the digital sky survey (dssm; collected by bill arnett ) messier info on the seds ftp server the hubble space telescope and the messier objects observations ! descriptions of the messier objects from observations by astronomers (mostly amateurs) more links to messier related resources the web nebulae by bill arnett . includes many bright deep-sky objects not in the messier catalog aao astrophotos : premium astrophotos by david malin, including some messier objects ngc images on the net (from the astronomical society of the pacific, asp) ngc online : searchable index for the ngc 2000 catalog with some features seds deep-sky image ftp archive: root to all images ; deep sky images ; ccd images (often amateur) ; hubble space telescope images ua astronomy club ccd gallery deep sky image sites : more links to astronomical internet sites with fine images, of messier and other deep sky objects. some of them have served as sources for these pages astro maps and constellation pages by christine kronberg [mirrored from her munich astro archive, maa ] more astronomy and space : links to astronomical and space-related internet resources while messier's catalog was the first major reliable collection of deep-sky showpieces, and without doubt the most famous and important, others have followed since, including similar collections suitable e.g. for the amateur. learn how these pages were created . the materials in these pages (especially the images) may be freely used for private purpose only; please read our usage regulations page if you intend any other kind of (especially for-profit) usage. the seds icon in these pages always leads to the seds homepage , the maa icon to the maa homepage , and the icon with charles messier's image to this messier homepage. in addition to this, and the other icons shown above, icons occur in these pages for the following options (in doubt, please check this [hopefully] comp
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