North American Asteroidal Occultation Program

Updated Monday, October 27, 2014

 

UTC Date and Time

 

 

Star Catalog Comparison Requests

updated Monday, October 27, 2014

   

How To Observe the Argentina Occultation

By Steve Conard (Word document)

28 October 2014  247 Eukrate

Station Sort        Pre-Point Star List (NM)

Overview (ppt)    Pre-Point Charts (NM)

Cloud Forecast

 

Venus occults lambda Aquarii - 16 April 2014

Animation of Event from behind Earth

29 Oct 2014   393 Lampetia

Cloud Forecast

2015 March 12  216 Kleopatra

Erigone occults Regulus - 20 March 2014

David Dunham's Miss report from Bermuda

Kelly Beatty Summary for Sky and Telescope

 

Miscellaneous Files

D. Dunham's Mid-Atlantic Occultation Summary D. Dunham's Graze Information 2014

Quadea, the Incredible Shrinking Asteroid

presentation to APL Astronomy Club by David Dunham

Interactive maps for North American Lunar grazing occultations

(Brad Timerson's Graze page)
(Includes forms & procedures for reporting lunar total and grazing occultation observations)

IOTA Plans for the 2017 Total Solar Eclipse (PPT)

David Dunham

 

 

The Index of Worldwide Asteroidal Occultation Reports

compiled by Hayato Watanabe

 

Primary North American Coordinator

Backup Coordinators

North American Asteroidal Occultation Results

2006      2007      2008      2009     2010    2011   2012   2013  2014

Report your Observations

Report Form Templates

Text Form

 

Predictions Important IOTA Pages

Other Web Links

 

Steve Preston's Page

Derek Breit's Page

David Dunham's Page

Steve Messner's Page

OccultWatcher

Occultations of Bright Stars

(Denis Denissenko)

 

 

 

IOTA Administrative Page

IOTA Lunar Occultations Page

 

IOTA Annual Meetings:  1983 - present

 

2007-2012 IOTA Annual Meetings Page

2013 Annual Meeting Page

 

2014 Annual Meeting Page

 

Euraster

Australia/New Zealand

Japan

Latin America

(English)

Worldwide Homepage

 

Downloads Miscellaneous Files Publications

 

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

 

FREE Software Downloads

 

OCCULT4

Occultation Prediction Software

by Dave Herald

 

OccultWatcher

Occultation Planning Software by Hristo Pavlov

(highly recommended planning software, informs you of
  asteroidal and TNO occultations visible from your
  site or region; IOTA's main tool for coordinating
  observations to optimally cover event paths)

 

LiMovie

software for measuring occultation light curves

 

Tangra

software for measuring occultation light curves and photometry

 

Occular 4.0

NEW Installation Directions

Occular 4.0 Download File

Occular 4.0 Installation Guide (Word file)

 

VirtualDub

video editing software

 

AviSynth

video editing software

 

 R-code Occultation Timing Extractor

(R-OTE) v. 3.8.5

Latest update from 2014 IOTA Annual Meeting

Read Me file for R-OTE (Word)

Read Me file for R-OTE (PDF)

 

 

The "Mighty-Mini" Videocamera System

by Scotty Degenhardt

 

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)

Canon ZR Date Code Reducer (Excel)

How to Reduce Time-Stamped Videos (Word)

(uses above Excel Form)

 

How To Basics. Using various Software programs.

Richard Nolthenius

 

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

 

 

----------  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

Pending

336 Lacadiera

695 Bella

 

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

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

 

Special Page for Antiope Occultation - July 19, 2011

(from 2011 Meeting)

 

 

North American Annular Eclipse, May 20, 2012

Richard Nugent

 

 

 

Important Information Regarding Star Catalog Comparisons

provided by Dave Herald from the OCCULT Help files

Updated (July 21, 2010) Information

Word Document (for printing)

 

North American weather satellite image

 

Western North America weather satellite image

 

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