+Doc Posted December 21, 2011 Share Posted December 21, 2011 Acronyms and Abbreviations Common terms: RDF - Red Dot Finder Bins - Binoculars Obsy - Observatory POW - Picture of the Week POTM - Picture of the month Astronomy: DSO - Deep Sky Object BH - Black Hole NS - Neutron Star WD - White Dwarf HDF - Hubble Deep Field PN - Planetary Nebula SR - Special Relativity GR - General Relativity QM - Quantum Mechanics Catalogs: M - Messier Catalogue NGC - New General Catalogue C - Caldwell Catalogue IC - Index Catalogue HD - Henry Draper Star Catalogue SH2 - Sharpless2 Nebula Catalogue Mounts, Guiding, Location: EQ - Equatorial (mount) GEM - German Equatorial Mount Alt-Az - Altitude-Azimuth (mount) MF - Meridian Flip OAG - Off Axis Guider RA - Right Ascension DEC - Declination ALT - Altitude AZ - Azimuth LAT - Lattitude LONG - Longitude CM - Central Meridian Optics: F/ratio - Focal Ratio FOV - Field of View CA - Chromatic Aberration SA - Spherical Aberration IR - Infra Red UV - Ultra Violet Telescopes: EP - Eyepieces OTA - Optical Tube Assembly Newt - Newtonian reflector telescope Frac - Refractor telescope Dob - Dobsonian mounted reflector telescope Cat - Catadioptric optical system PST - Personal Solar Telescope Refractor specific: ED - Extra-low Dispersion Apo - Apochromat Achro - Achromat Doublet - (2 lens assembly) Triplet - (3 lens assembly) Catadioptric optical systems: SCT - Schmidt-Cassegrain telescope Mak - Maksutov-Cassegrain telescope RCT - Ritchey-Chrétien telescope SNT - Schmidt-Newtonian telescope KCT - Klevtsov-Cassegrain telescope MNT - Maksutov-Newtonian telescope (Mak-Newt) Filters, Flatteners, Reducers: FF - Field Flattener / Flat Field reduction FR - Focal Reducer LPR - Light Pollution Reduction CLS - blocks light from street lamps, passes other visible light and H-alpha emissions. IR-cut - IR blocking filter IR-pass - IR pass filter Astrophotography, imaging, video related: DSLR - Digital Single Lens Reflex CCD - Charge-coupled Device LCD - Liquid Crystal Display LED - Light-emitting Diode CMOS - Complementary metal–oxide–semiconductor CCTV - Closed Circuit Television HDD - Hard Disk Drive USB - Universal Serial Bus RS232 - Serial Port/cable HD - High Definition RGB - Image is built from separate red, green and blue filtered images LRGB - An RGB image augmented with a luminence channel. Actually, I have no idea what this means in reality as taking a true unfiltered luminence channel on a planet is pretty pointless IMO (In My Opinion). IR-RGB - An RGB image that uses an IR (Infra Red) filtered image for luminance. NBI - NarrowBand Imaging KAF - Kodak Full Frame technology CFA - Colour Filter Array MP - megapixel S/NR - signal to noise ratio DSS - DeepSky Stacker DR - dynamic range HDR - High Dynamic Range PS - Photoshop OSC - One Shot Colour. (CCD camera that takes colour images without use of filters) People, positions, organisations, places: EMS - east Midlands Stargazers SPM - Sir Patrick Moore FLO - First Light Optics SGL - StarGazersLounge TS - TeleskopService SW - skywatcher OO - orion optics (the guys based in crewe) TMB - Thomas M. Back (& lens assemblies of his design) WO - WIlliam Optics Tak - Takahashi TV – Televue [email protected] - Sky at Night CN - Cloudy Nights (web forum) UKAI - UK Astro Imaging Forum (web forum) IS - Imaging Source (Camera company) DMK/DBK/DFK - Cameras made by IS PHD - Guide application software (Push Here Dummy) CDC - Cartes Du Ciel (Planetarium Software) AP - AstroPhysics (can be Astrophotography) SBIG - Santa Barbara Instrument Group SX - Starlight Xpress HST - Hubble Space Telescope NASA - National Aeronautics and Space Administration BAZ 1 Link to comment Share on other sites More sharing options...
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