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10Micron by COMEC technology – GM1000HPS Mount The Menu System Deepsky – [catalogue name], enter the catalogue number and press ENTER. Some catalogues can be accessed using the shortcut keys from outside the menu: 7-M for the Messier catalogue, 8-NGC for the NGC catalogue, 9- IC for the IC catalogue. 6.1.2 Star The mount provides the catalogues in the following table (all are as complete as possible). Menu Designation Remarks Name Proper name of the star Use +/- and ENTER to choose from the list, in alphabetic order e.g.: Sirius Bayer Greek letter and constellation Select the letter and the constellation using +/-, move between the two fields with the direction keys E – W. e.g.: alpha CMa (=Sirius) Flamsteed Number and constellation Enter the number with the numeric keys, select the constellation using +/-; move between the two fields with the direction keys E – W. e.g.: 9 CMa (=Sirius) BSC =HR Bright Star Catalogue Harvard Revised Enter the catalogue number e.g.: HR 2491 (=Sirius) SAO Smithsonian Astrophysical Observatory catalogue Enter the catalogue number e.g.: SAO 151881 (=Sirius) HIP Hipparcos catalogue Enter the catalogue number e.g.: HIP 32349 (=Sirius) HD Henry Draper catalogue Enter the catalogue number e.g.: HD 48915 (=Sirius) PPM Position and Proper Motions catalogue Enter the catalogue number e.g.: PPM 217626 (=Sirius) ADS Aitken's Double Star catalogue Enter the catalogue number e.g.: ADS 5423 (=Sirius) GCVS General Catalogue of Variable Stars See note Note: the variable stars in the GCVS catalogue are identified by one or two letters and the name of the constellation, e.g. R Leo or UV Cet. The letters are assigned according to certain rules, which allow 334 identifiers in each constellation. When all these identifiers are assigned in a constellation, the star is identified with a letter V followed by a number starting from 335; thus V335 Ori is the 335th variable star found in Orion. When the GCVS catalogue is selected in the menu, you have to choose between letter and number. letter must be selected if the catalogue identifier is of the first kind (e.g.: R Leo); number must be selected if the catalogue identifier is of the second kind (e.g.: V335 Ori). If you have chosen letter, select the letter(s) and the constellation using the +/44