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CHAPTER 1 Introduction to MOS

Background
Contents of this manual
References to MOS and MOS/SIS

CHAPTER 2 MOS Optical and Mechanical Layout

General
Optical layout
Optical Performance
Image Quality
Transmission
Optics Distortion
Mechanics
Mechanical Assembly
Mechanical Flexures

CHAPTER 3 The MOS Environment

Mask Slides
Filters
Grisms
Grism Specifications
Grism List
CCD detectors
Calibration Lamps
LAser MAchine (LAMA)
Mask Preparation
Mask Cutting

CHAPTER 4 MOS Control and Data Acquisition with Pegasus

Introduction
Checking the Status of MOS and Starting Observations
The MOS Window: Configuring the Instrument
CAF window: Computer Aided Focussing
OFFSET: Accurate Offsetting
The RASTER and EXPOSE Windows: Gathering Photons
The LAMPS window: Calibration Unit Control
The CAL-SEQ Window: Automatic Calibration Sequence
The IMAGE and GRAPH Windows: Examining the Data
The FILES Window: Handling Data Files
GUIDE: Guide Star Selection (T.O.)

CHAPTER 5 MOS Observing Procedures

Introduction
Overview
Recipe 1: Summary of Steps for Direct Imaging
Recipe 2: Summary of Steps for Long Slit or Multi-slit Spectroscopy
Cassegrain Bonnette Rotation
Field Acquisition and Centering
Focussing
Running CAF Efficiently
"Manual" Focussing: IQE
Offsetting
Guiding
Imaging Exposures
Spectroscopy Exposures
Aperture Mask Preparation
Selecting Parameters in the LAMA Session
Preparing a Mask File
Cutting the Mask with LAMA
Aperture Mask Installation
Calibration
Imaging: Summary, Recommended Exposures
Spectroscopy: Summary, Recommended Exposures
CAL-SEQ
Data Evaluation
IMAGE and IQE
GRAPH

CHAPTER 6 Data Reduction Procedures

Direct Imaging
Spectroscopy
Overview
The MULTIRED package

CHAPTER 7 MOS Performance

Imaging
Spectroscopy

CHAPTER 8 Instrument Set-Up (Staff)

Spectrograph Alignment
Principles
Alignment Procedure:
Spectrograph Focussing
CAF Set-Up:
OFFSET Set-Up:
Checking the LAser MAchine:


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