European Observations of 20 May 2017 Centaur object occultation

IOTA's Eclipse Edge Determination Experiment 

Presentation to Riverside Telescope Makers Conference

David Dunham

Erigone occults Regulus - 20 March 2014

David Dunham's Miss report from Bermuda

Kelly Beatty Summary for Sky and Telescope

Roger Venable Edit of David Dunham Venus Occultation

(4.4 Mb)

Alternate Video (mpg2)  (1.2 Mb)

IOTA Handout - mid-August 2017 Asteroidal Occultations

provided by David Dunham

2015 April 2  4:54 UT

Prediction Map

Orientation of 90 Antiope and Satellite from IMCCE

Orientation along Predicted Path

How To Observe the Argentina Occultation

By Steve Conard (Word document)

Venus occults lambda Aquarii - 16 April 2014

Animation of Event from behind Earth

Important:  KIWI-VTI Startup Procedures

by Dave Gault

The "Mighty-Mini" Videocamera System

by Scotty Degenhardt

NEW!! 

PVC Video Camera Carrier

by Ted Blank

Timing Using CCD Drift Scanning

Drift Scan Description

The Effects of Optical Miniaturization on Occultations

by Scott Degenhardt (webpage)

My Metis Meteor  by Scott Degenhardt

Multi-Station Occultation Observing (7.5 Mb PP)

by Scotty Degenhardt

Scotty Degenhardt's Time Code

Procedures with the Canon ZR

( 850kb ZIP file)

How Scotty Degenhardt Sets Up Multiple Remote Stations

(16 kb ZIP file)

How to Download and Reduce Asteroid Occultation  DV Tapes

Richard Nolthenius

WWVB-based video time inserter

John Wright

JXD990-8000 Video Recorder Manual

"Maxi" Mount for use with 120mm refractor

(August 2013 update)

Spreadsheet to Determine D and R times from

Canon ZR Date Code (Excel)

How to Reduce Time-Stamped Videos - KIWI-VTI (Word)

How to Reduce Time-Stamped Videos - IOTA-VTI (Word)

(uses above Excel Form)

How To Basics. Using various Software programs.

Richard Nolthenius

Suggestions for Cold Weather Deployments (zipfile)

Video Camera and Focal Reducer Connections

Camera and focal reducer Hyades comparisons

(David and Joan Dunham)

The "Hercules" Club

Observers who have positioned themselves between the two shadows

of a double asteroid,

so as to observe an occultation by neither component.

IOTA YouTube Page

with many examples of previous events as well

Tutorials an using various software programs

An Occultation Observer Primer  (text file)

An Occultation Timing Primer Word  HTML

Introduction to Occultations (pdf)

Paul Maley, Richard Nugent

Occultations by Asteroid Satellites

Lunar Occultations of Comets  Word    Text

Chasing the Shadow:

The IOTA Occultation Observer's Manual

Powerpoint Presentation to

N. Virginia Astronomy Club

by David Dunham - April 13, 2008 ( 5 Mb)

Richard Nugent's Solar Eclipse Summary

----------  Minor Planet Bulletin articles  ----------

A Trio of Well-Observed Asteroidal

Occultations in 2008

Minor Planet Bulletin, 2009 July-Sept.

pp. 98-100

Occultations by 81 Terpsichore and 694 Ekard

in 2009 at Different Rotational Phase Angles

Minor Planet Bulletin, 2010 Oct-Dec

pp. 140-142

Several Well-Observed Asteroidal Occultations in 2010

Minor Planet Bulletin, 2011 Oct-Dec

pp. 200-204

Occultation Evidence for a satellite of the

Trojan asteroid 911 Agamemnon

Planetary and Space Science

Vol. 87, October 2013, pp. 78-84

Full text (as PDF download) available from

Cornell University Library

Asteroidal Occultation by 82 Alkmene and the

Inversion Model Match

Minor Planet Bulletin, 2015 Apr-Jun

pp. 129-131

----------  JDSO New Double Star articles  ----------

(select Archives)

Vol 6, No 2   1049 Feodosia

Vol 7, No 2   675 Ludmilla

Vol 7, No 3   790 Pretoria

Vol 7, No 3   160 Una

Vol. 8, No. 4   336 Lacadiera

-----------------------------------------------------

Review of the 29 May Eudora Occultation

(by D. Dunham)

 Gravic Astronomy Workshop - Saturday, October 8th

(proposed agenda)

Summary of the Astronomy Workshop at Gravic

Basic Information on Occultations (Eclipses) and the

July 19, 2011 occultation by Antiope

David Dunham

North American Annular Eclipse, May 20, 2012

Richard Nugent