... Optics . OP-010802 Remove M1 . OP-010803 Remove M2 . OP-99003 Moving the mirrors on the 2.5-m telescope . ... Support and adjustment of the SDSS 2.5-m telescope conical baffle . Maintenance .. ...
... Drawings and APO Technical Documents Database techDB . The telescope is a 2.5-m altitude over azimuth design. ... telescope parameters 19980413 Design and analysis of the 2.5-m telescope instrument rotator 19990127 Rotation range for the 2.5 ...
... Apache Point Observatory . New Mexico, USA . ARC 3.5-m Instrument News . News Worthy Items . Current Status . ... The information on this page is up to date as of April 4, 2016. This page is maintained by the 3.5-m Telescope Engineer .. ...
... 2.5-m Telescope Tracking Error Budget . Contents . Introduction . ... based on measurements in "2.5-m Telescope Drive Measurements IV: Acceptance Testing ... based on measurements of tilt due to the axial motions of the 3.5-m secondary mirror ...
... 2.5-m Telescope Pointing Error Budget . Contents . Introduction . ... C. Over several days, on the 3.5-m the locations of the fiducials repeat to 8 arc ... Assumes measured performance of the 3.5-m secondary. ...
... Astigmatism correction for the 2.5-m primary mirror: I. axial supports . Contents . Introduction . Calculations . ... The SDSS 2.5-m primary mirror is supported in a manner similar to the Apache Point Observatory 3.5-m telescope primary. ...