INSTRUMENTATION INSTRUMENTATION AT THE GETTYSBURG AT THE GETTYSBURG OBSERVATORY….And OBSERVATORY….And

what to do withwhat to do with it.it.

American Astronomical Society 205American Astronomical Society 205thth meeting, San Diego, Jan 13, 2005 meeting, San Diego, Jan 13, 2005

Gettysburg College ObservatoryGettysburg College Observatoryview from the southeastview from the southeast

The Gettysburg 16” ReflectorThe Gettysburg 16” Reflector

•F/11 0.4 m

•Mfr. Ealing, 1968

•Upgrade by ACE, Tucson, 1996

•Camera: Photometrics 350; TE Cooled; High Speed readout

•Chip: SiTE 003B 1024 x 1024 pixels

•ACE 2-wheel filter box; 16 slots

•STV-Offset Guider

Camera and Filter BoxCamera and Filter Box

Computer Control from Remote Warm RoomComputer Control from Remote Warm Room(software and Hardware by ACE)(software and Hardware by ACE)

Offset Guider and Tube CoolingOffset Guider and Tube Cooling

SBIG STV Automatic GuiderSBIG STV Automatic Guider

Auxiliary Auxiliary Chilled Chilled Water Water

Circulator Circulator for CCD for CCD

Dome Control and Dome CoolingDome Control and Dome Cooling

Warm Room Controls and Warm Room Controls and HardwareHardware

Astronomer’s View of the ControlsAstronomer’s View of the Controls

Autoguider Telescope ControlCCD control

Autoguider Display

Sidereal Time

Universal Time

DVDVHS

Stereo/FM

Guider and CCD controlsGuider and CCD controls

CCD and Telescope ControlsCCD and Telescope Controls

The ACE Telescope Control ScreenThe ACE Telescope Control Screen

Observatory Monitors and Sidereal TimebaseObservatory Monitors and Sidereal Timebase

Filter Controller (serial data input)Filter Controller (serial data input)

Observatory Power ControlObservatory Power Control(manual and computer controlled)(manual and computer controlled)

Observing Aids: Phase predictor for Observing Aids: Phase predictor for eclipsing Binary Starseclipsing Binary Stars

Automatic Image Data LoggingAutomatic Image Data Logging

OBSERVING PROJECTSOBSERVING PROJECTS

•FACULTY-STUDENT RESEARCH

•Astrometry of critical list asteroids

•Photometry of Eclipsing Binary Stars --- collaboration with G. Torres, et al, CFA

•Target of Opportunity Light curves of bright supernova

•Transits of Extrasolar Planets

•ADVANCED PHYSICS LAB EXERCISES

•CCD photometry of short period variables (δ Scuti, SX Phe)

•Astrometry of bright asteroids

Photometry of Eclipsing Binaries and Photometry of Eclipsing Binaries and Bright SupernovasBright Supernovas

Extrasolar Planet PhotometryExtrasolar Planet Photometry

The The Gettysburg Gettysburg

Asteroid Asteroid Patrol:Patrol:Search Search

StrategyStrategy

Software to Blink and Measure Software to Blink and Measure AsteroidsAsteroids

The Gettysburg Asteroid Patrol The Gettysburg Asteroid Patrol T-Shirt LogoT-Shirt Logo

A wider angle view of the A wider angle view of the Gettysburg College ObservatoryGettysburg College Observatory

October, October, 2004: the bad 2004: the bad

newsnewsClark Field Clark Field opens…..opens…..