ADASS '94 Fourth Annual Conference on Astronomical Data Analysis Software and Systems September 25-28, 1994 Omni Inner Harbor Hotel Baltimore, Maryland, USA ____________________________________________________________________________ INTRODUCTION We are pleased to announce the fourth annual Conference on Astronomical Data Analysis and Software Systems, ADASS. This year's conference is hosted by the Space Telescope Science Institute and will take place on September 25th through 28th, 1994 at the Omni Inner Harbor Hotel in Baltimore, Maryland. This conference will provide a forum for scientists and programmers concerned with algorithms, software and software systems employed in the reduction and analysis of astronomical data. Sponsoring Institutions The ADASS IV Conference is sponsored by the Space Telescope Science Institute, National Optical Astronomy Observatories, Smithsonian Astrophysical Observatory, National Research Council of Canada, National Radio Astronomy Observatory, National Aeronautics and Space Administration, and the National Science Foundation. Program Organizing Committee The POC is responsible for overall planning of ADASS IV and selecting topics, speakers, and papers. It consists of: Rudi Albrecht, ST-ECF/ESO, Roger Brissenden, SAO, Carol Christian, CEA, Tim Cornwell, NRAO, Dennis Crabtree, DAO/CADC, Daniel Durand, DAO/CADC, Bob Hanisch, ST ScI, F. Rick Harnden, SAO, George Jacoby, NOAO, Barry Madore, IPAC, Dick Shaw, ST ScI, Karen Strom, U Mass, and Doug Tody, NOAO. Local Organizing Committee The LOC plans and organizes the facilities and local activities for ADASS IV. It's members are: Betty Stobie (ST ScI), chair, Angie Clarke, Jonathan Eisenhamer, Bob Hanisch, Jeffrey Hayes, Phil Hodge, Zolt Levay, Harry Payne, Mary Alice Rose, Krista Rudloff, Eric Smith, (NASA/GSFC), Peter Teuben (U. Maryland), and Nelson Zarate. ____________________________________________________________________________ KEY TOPICS o Astronomical Data Modeling and Analysis o Design and Development of Graphical User Interfaces o Network Information Systems o Parallel and Distributed Processing INVITED SPEAKERS o Jeff Pedelty (NASA/GSFC) o Bob Brown (ST ScI) o Joan Centrella (Drexel University) o Christine Falsetti (NASA Science Internet) o Graham Hill (DAO/HIA/NRC) o Doug Tody (NOAO) o Juri Toomre (University of Colorado - tentative) o Jean-Luc Starck (Observatory of Nice) o David Van Buren (IPAC) ____________________________________________________________________________ IMPORTANT NOTES AND HIGHLIGHTS Abstract Deadline All abstracts must be received by 12:00 Midnight EDT, Friday, 15 July, 1993 to be given full consideration. See "SUBMISSION, DEADLINES, LATE PAPERS" for details on preparing and submitting abstracts. Participants are encouraged to submit their abstracts electronically using the LaTeX forms available through anonymous ftp on ra.stsci.edu (130.167.1.101). Abstracts will appear in the final program produced from the electronic forms submitted. Oral/Poster Paper Sessions Both oral and poster papers are being accepted for presentation at the meeting. Authors should select their preference of an oral or poster presentation on the abstract form. Only a limited number of oral papers will be scheduled owing to time constraints. The Program Organizing Committee will make the final selections of oral and poster papers. Exhibits/Demos The exhibit room, which is adjacent to the main meeting room, will be open from 6:00 P.M. to 10:00 P.M. on Sunday, 7:30 A.M. to 6:30 P.M. on Monday and Tuesday, and 7:30 A.M. to 4:00 P.M. on Wednesday. All exhibits will remain displayed throughout the entire conference. Poster presenters and exhibitors are asked to post the hours during which they will be available at their presentations. Set-up will take place Sunday, September 25, between 3:00 P.M. and 6:00 P.M. Posters must be taken down by 4:00 P.M. on Wednesday, September 28. For information and instructions, see "Presentation of Papers". Register and Make Room Reservations Early The deadline for early meeting registration is July 15, after which the higher fees ($135) will go into effect. The deadline for room reservations at the Omni Inner Harbor Hotel at the government rate ($78 per single) is August 25. After that date, availability and room rate cannot be guaranteed. Reduced Airfares Save Money - Delta Airlines is offering substantial discounts to registrants. See "How to Get to Baltimore" for details. For Further Information General questions should be directed to softconf@stsci.edu or mailed to: ADASS '94, Betty Stobie Space Telescope Science Institute 3700 San Martin Drive Baltimore, MD 21218 USA Abstract and paper guideline templates, etc., are available via ftp at ra.stsci.edu (130.167.1.101). Additional information is available via WWW/Mosaic at http://ra.stsci.edu/ADASS.html. Questions of a specific nature should be directed as shown below: Scientific program Bob Hanisch hanisch@stsci.edu 410-338-4910 Registration Jan Aalberts adass-reg@stsci.edu 602-896-9316 Paper submission Jeff Hayes adass4_editors@stsci.edu 410-338-4936 Abstract submission, special events Betty Stobie stobie@stsci.edu 410-516-8671 ____________________________________________________________________________ NETWORK CONNECTIVITY - NASA Science Internet The NASA Science Internet Office at Ames Research Center provides wide area networking services to NASA's Space and Earth Science community. NSI, in conjunction with the ADASS is providing local area network support with connectivity to the Internet along with education about the Internet and NSI services for the scientific community. These services provide scientists with timely access to remote data and information while away from their local institutions. If you have any questions about network connectivity at the ADASS meeting, please contact Hallie Patterson at 513-320-1328 or via Internet: hallie@nsipo.arc.nasa.gov. ____________________________________________________________________________ SPECIAL INTEREST SESSIONS: BOF's Birds-of-a-Feather (BOF) sessions, special interest discussions, have been scheduled for Monday, September 26, 7:30 P.M. - 9:00 P.M. An example of a BOF might be a users' group meeting, or a small meeting on a special topic. Anyone wishing to sponsor a BOF should contact the conference organizers at: softconf@stsci.edu. A schedule will be made available with the Final Conference Program. ____________________________________________________________________________ REGISTRATION The conference registration desk will be located on the hotel promenade just outside the meeting room (International A/B) on Sunday, September 25 between the hours of 7:00 P.M. and 10:00 P.M. It will reopen at 7:30 A.M. on Monday on the hotel Promenade and will remain open until 5:00 P.M. that day. Registration will be open in the exhibition room (International Foyer) from 8:00 A.M. to 5:00 P.M. on Tuesday, and from 8:00 A.M. to noon on Wednesday. Please retrieve the electronic registration form via anonymous ftp from ra.stsci.edu (130.167.1.101) in /pub/adass/registration and submit the completed form to softconf@stsci.edu. If electronic submission is inconvenient for you, please mail the enclosed registration form (center of this booklet) to: Jan Aalberts, ferberts associates P.O. Box 1630 Oracle, AZ 85623 USA Please submit registration forms on or before July 15 in order to take advantage of the lower registration fee. Direct any questions about registration to Jan Aalberts at the above address or by phone at 602-896-9316, or by fax at 602-896-2639. Please note the following with regard to registration: o The registration fee includes admission to all conference sessions, refreshment breaks, welcoming reception at the hotel, conference materials, and a hardbound copy of the proceedings. o The registration fees are: Registration received by July 15, 1994 $95 Received between July 16 and September 20 $135 Walk-up registration (space available) $150 o The fee accompanied by the registration form, is due in advance by check payable to "ferberts associates, ADASS '94." Remittance should be made in U.S. funds drawn on a U.S. bank. MasterCard and Visa will be accepted for registration by credit card. o The Museum of Industry dinner and other special events have separate fees, and reservations should be made in advance via the registration form. o Acknowledgments confirming all fees and abstract/demo receipts will be sent to participants by e-mail unless otherwise requested. Paper receipts will be given to recipients at registration. o Cancellations received in writing prior to September 20, 1994 will be entitled to a full refund per items on the Registration Form minus a $20 handling charge. Refunds will take approximately six to eight weeks. ____________________________________________________________________________ SPECIAL SESSION: Electronic Preprint Distribution Systems There will be an all day meeting on Thursday, September 29, at the Omni Inner Harbor Hotel on the topic of electronic preprint preparation and distribution systems. Participation is open to all ADASS registrants, although we must charge an additional fee in order to cover meeting costs. Please check the box on the registration form to indicate that you wish to participate in this meeting. Additional information on this meeting is available from Bob Hanisch (hanisch@stsci.edu). ____________________________________________________________________________ LOCAL INFORMATION Meeting Location Omni Inner Harbor Hotel 101 W. Fayette Street (at Charles Center) Baltimore, MD USA Phone: 410-752-1100 Lodging Omni Inner Harbor Hotel 101 W. Fayette Street Baltimore, MD 21201 USA Phone: 410-752-1100, 800-THE-OMNI (800-843-6664) Room rate: $78.00/night for single, $90.00/night for double (includes all taxes) if reserved by August 25, 1994; normal rate is $130.00 and up Parking: $9.00/day; Valet parking: $14.00/day How to Get to Baltimore By Air Delta Airlines is offering a discount for domestic conference attendees. U.S. participants should call 800-241-6760 and ask for the ADASS '94 conference, file number XW0293. Delta is offering 10% off unrestricted fare "B06" and "Y06" tickets and 5% off restricted fare tickets. Airport: The closest is Baltimore-Washington International Airport (BWI), which is about 10 miles (15 minutes) from the hotel. Shuttle Bus: BWI offers a shuttle to the Omni Inner Harbor Hotel, at a cost of $12.00 round trip, $8.00 one way. The shuttle runs between 6:00 A.M. and 11:00 P.M. every half hour, seven days a week. (410-859-7545) Taxi: Taxis are available at all arrival times. Fares to Baltimore run about $15.00 to $18.00. Rental car: Alamo, Avis, Budget, Dollar, Hertz, National, and Thrifty have rental counters at BWI. By Car From I-95 (north or south): Take I-95 to Baltimore. Take exit number 53, I-395, toward downtown. I-395 north becomes Howard street downtown. Turn right at Baltimore Street. The Omni Hotel is one block down Baltimore Street on the left. From MD-295, the Baltimore-Washington Parkway (south): Take 295 into downtown Baltimore where it becomes Russell Street, and then Paca Street after the stadium. Follow Paca Street to Baltimore Street and turn right (east). The Omni Hotel is on the left after you pass through three traffic lights. From I-70 (west): Take I-70 to I-695 which circles the city. Take I-695 south to I-95. Follow the directions for "From I-95" above. From I-83 (north): Take I-83 directly into downtown Baltimore. I-83 ends at Fayette Street, the street on which the Omni Hotel is located. Turn right (west) onto Fayette Street. The hotel is on the left after you pass through seven traffic lights. By Train AMTRAK's Pennsylvania station is in Baltimore at 1501 North Charles Street. You can reach AMTRAK by calling 800-872-7245 or 800-523-8720. You can take the MARC train from BWI Airport or Union Station in Washington, D.C., to Baltimore's Penn Station. The MARC train information number is 800-325-7245. MARC trains run Monday-Friday only. Taxi: Taxis are available at all arrival times. Fares to downtown Baltimore (a five-minute ride) run about $3.50 to $5.00. Rental car: There are no car rental counters at Penn station. However, Avis provides a courtesy phone at the station. If you call them, they will pick you up. By Boat Baltimore has several marinas at or near the Inner Harbor. If you are interested in arriving by water, please contact the LOC for detailed information. Currency Exchange A currency exchange office is located in the middle of BWI Airport on the upper level behind the American Airlines ticket counter. There is also an American Express office which handles currency exchange directly across the street from the Omni Inner Harbor Hotel. Please note that most U.S. banks do not exchange currency without prior arrangements. Dining The Baltimore Grille at the Omni Inner Harbor Hotel is a steak house featuring steaks, chops, lamb, seafood. Dinners cost between $15.00 and $30.00. The restaurant is open from 6:30 A.M. to midnight. Telephone 410-385-6601 for reservations. In addition to the hotel's restaurant, there are many restaurants to choose from in downtown Baltimore, particularly around the Inner Harbor and in Little Italy and at Fell's Point, all within a mile or two of the Omni Inner Harbor Hotel. The cuisine includes American, Chinese, Italian, Mexican, Mediterranean, and Cajun, among others. Seafood is a speciality at many restaurants. There are prices to accommodate all budgets. Weather September in Baltimore is mild and potentially wet. Bringing an umbrella is advisable. High temperatures in late September average in the upper 60s (~20 C) with lows in the upper 50s (~15 C). Winds are normally under 10 m.p.h. (~15 k.p.h.). Getting Around Public Transportation: The Mass Transit Administration (410-539-5000) operates bus, Metro subway, Light Rail, and MARC train service. Buses and Light Rail run daily, 24 hours a day. Metro operates Monday through Saturday. The MARC train operates weekdays along the Baltimore/Washington corridor. For fares and schedules call the MTA. Trolley: Baltimore Trolley Tours (410-752-2015) offers service throughout downtown daily in September. Water Taxi: The Water Taxi (800-658-8947) has stops at major sights around the Inner Harbor. An all-day pass costs $3.25 for adults and $2.25 for children. Hours of operations for late September are Monday - Saturday 11:00 A.M. - 11:00 P.M. and Sunday 10:00 A.M. - 11:00 P.M. ____________________________________________________________________________ SPECIAL EVENTS Opening Reception A welcoming reception will be held on Sunday, September 25, from 7:00 - 10:00 P.M. at the Omni Inner Harbor Hotel in the main meeting room (International A/B). All participants are invited to attend. The reception will include hot and cold hors d'oeuvers and a cash bar. Banquet - Baltimore Museum of Industry All ADASS '94 conference registrants are invited to purchase a ticket to the banquet to be held at the Baltimore Museum of Industry (BMI) on Tuesday evening from 7:00 - 10:00 P.M. Family members and other traveling companions are also invited to purchase tickets. The BMI is located at the Inner Harbor on Key Highway. It is housed in an 1870 oyster cannery and features exhibits on Baltimore's rich industrial history. You can feel the power of the 1906 steam tug S.S. Baltimore, crank out your own handbill on the 1880 job press, visit the roaring belt-driven machine shop where skilled workers crafted the tools of the Industrial Age, and learn more about life and work in the Industrial Age at the BMI Research Center. The banquet will feature a buffet offering a variety of Continental cuisine, including Maryland's renowned crabcakes. Vegetarians will be provided a selection of cheeses, fruits, breads, and vegetables to tempt their palates as well. A cash bar will be offered throughout the evening. Banquet attendees will be provided with an all-day pass that may be used to take the harbor water taxi to the Museum. A chartered trolley will also be made available for those who prefer that mode of transportation. Tour of NASA Goddard Space Flight Center The Local Organizing Committee has arranged for ADASS '94 participants to receive a VIP tour of NASA's Goddard Space Flight Center in Greenbelt, MD, on Sunday afternoon, September 25. There is no cost for the tour itself, but participants will be charged a small fee ($10.00) to cover the cost of chartering a bus. The bus will leave from the Inner Harbor at noon and return by 5:00 P.M. Tours are available to see the following facilities: Spacecraft Test and Integration Facility. Clean rooms; thermal vacuum facilities; vibration and acoustic test facilities; structural static test and acceleration test facilities. Spacecraft Systems Development and Integration Facility. 1.3 million cubic foot horizontal laminar flow clean room, which can accommodate two space shuttle payloads. NASA Communications (NASCOM). Global system providing voice, data, teletype, and television support to NASA. Satellite and terrestrial circuits; switching and control facilities for linking domestic and foreign terminals. Space Telescope Operations Control Center. Spacecraft commanding; spacecraft health-and-safety monitoring of the electrical power system, pointing control system, thermal environment, communications system, and other subsystems. ____________________________________________________________________________ Recreation At registration, each conference participant will be provided with a Guest Quick Guide to Baltimore, which lists dining and sight-seeing options in and around Baltimore. A map of the downtown area will be included. Registrants can also call the Baltimore Area Visitor's Center (410-837-4636) Inner Harbor The Inner Harbor is Baltimore's premier entertainment destination. Harborplace, at Pratt and Light streets, offers more than 125 restaurants, shops, boutiques, galleries and sidewalk cafes. Popular Inner Harbor sights include the National Aquarium, the Maryland Science Center, the Baltimore Maritime Museum, the U.S. Frigate Constellation, and the World Trade Center. Visitors can stroll along the six-block promenade, take a carriage tour, a paddleboat ride (800-658-8947), harbor cruise (410-727-3113), or ride the water taxi (800-658-8947) to major city sights. Museums in Baltimore All of these museums are within walking distance or are accessible via mass transit from the Inner Harbor. Call for further information. Baltimore Museum of Art (Wed.-Sun.; free Thurs.), 396-7101 Baltimore Museum of Industry (Thurs.-Sun.), 410-727-4808 Baltimore Streetcar Museum (weekends only; free admission), 410-547-0264 B&O Railroad Museum (daily), 410-752-2490 Museum of Maryland History (Tues.-Sun.; free Sat. 9-11), 410-685-3750 Star-Spangled Banner Flag House (Mon.-Sat.), 410-837-1793 Walters Art Gallery (Tue.-Sun.; free 11-noon Sat.), 410-547-9000 Theatres and Arenas Center Stage, 410-332-0033 F. Scott Black Towsontowne Dinner Theatre, 410-321-6595 Lyric Opera House, 410-685-5086 Joseph Meyerhoff Symphony Hall, 410-783-8000 Mechanic Theatre, 410-625-1400 Kennedy Center (Washington, D.C.), 202-467-4600 USAir Arena (Lanham, MD), 301-350-3400 Call for show times and prices. Other Destinations Baltimore Zoo: Located in Druid Hill Park, the Baltimore Zoo (410-366-5466) is home to more than 1200 animals. It includes an innovative Children's Zoo and a new African Watering Hole - a six-acre open habitat with rhinos, zebras, and gazelles. Open 10:00 am - 4:00 P.M. daily. $6.50 adults; $3.50 senior citizens and children 2-15 years. Free parking. Fort McHenry National Monument and Historic Shrine: At the foot of East Fort Avenue (410-962-4290), this star-shaped fort was the site of an historic battle of the War of 1812. A replica of the flag that inspired Francis Scott Key to write the poem which became the U.S. National Anthem flies over the fort. Open 8:00 A.M. - 4:45 P.M. daily. Admission is $2.00 for adults, under 17 free. Fell's Point: On the waterfront near the Inner Harbor, Fell's Point is one of Baltimore's most exciting portside communities, dating back to 1730. More than 200 of the areas lovingly maintained brick homes date to before the War of 1812, and more than 100 others to before the Civil War. Broadway market offers fresh fruits and vegetables, pubs with live bands, and fine seafood restaurants. Oriole Park at Camden Yards: Baltimore's brand new, old-fashioned ballpark at 33 Camden Street (410-685-9800), seats 46,000 and incorporates intricate architectural detail with the most modern amenities. The Baltimore Orioles baseball team will be playing the Minnesota Twins on Sunday afternoon, September 25. Washington Monument: Located at the intersection of North Charles Street and Mount Vernon Place, this 178-foot column was the nation's first architectural monument honoring George Washington. It was designed by the same architect (Robert Mills) who designed the Washington Monument in Washington, D.C. Visitors can enjoy historical exhibits or climb the 228 steps to the top for magnificent views of the city. Cruise to Annapolis: Harbor Cruises (410-727-3113 or 800-695-2628) offers a day trip to Annapolis on Wednesdays. A cruise ship leaves Baltimore's Inner Harbor at 8:30 am and returns to the Harbor at 5:30 P.M. The cruise to Annapolis takes three hours one-way, which gives passengers two hours to explore the Annapolis waterfront with its many shops and eateries. Historic State Circle is within walking distance. The trip is $21.00 adults, $10.50 for children 12 and under. Annapolis: Home of the U.S. Naval Academy and the nation's oldest state capitol in continuous use, Annapolis is located at the confluence of the Chesapeake Bay and Severn River. The Annapolis Visitor's Bureau (410-280-0445) can provide information on tours of the Naval Academy and the State House, as well as sight-seeing cruises from the city dock, self-guiding tours of the historic district, and special events for late September. Washington D.C.: The District of Columbia is about 35 miles southwest of Baltimore's Inner Harbor. Popular visitor's attractions include the White House, residence of the President of the United States; the U.S. Capitol building; the Lincoln, Jefferson, and Vietnam Memorials; the Washington Monument; the Library of Congress; the Supreme Court; and the Smithsonian Institution, including the Air and Space Museum, National Gallery of Art, and National Archives. The D.C. Visitor Information Center (202-789-7038) can provide detailed information. ____________________________________________________________________________ SUBMISSION, DEADLINES, LATE PAPERS We will be adhering to the following deadlines strictly. o The deadline for receipt of abstracts is July15, 1994. We strongly encourage that abstracts be submitted electronically using the LaTeX forms provided via ftp at ra.stsci.edu, and as outlined in the home page for this conference at http://ra.stsci.edu/ADASS.html. Abstracts received after this date will be considered, but may not be accommodated. o No abstracts will be accepted by Fax. No exceptions to this rule. o Abstracts will be acknowledged via e-mail as soon as they arrive. o A meeting program will be available on Mosaic in mid-August. For those who do not have access to Mosaic, we will e-mail the meeting program on request. Payments of abstracts not paid by PO should be sent to: ferberts associates ADASS '94 Conference P.O. Box 1630 Oracle, AZ 85623 USA Preparing Abstracts All participants are encouraged to submit their abstracts electronically. The LaTeX template forms can be obtained through anonymous ftp on ra.stsci.edu (130.167.1.101) in the directory adass4/abstracts. Retrieve all the files in that directory and follow the instructions in the README file. The completed abstracts are to be e-mailed to adass4_editors@stsci.edu. If you do not receive an acknowledgment within 24 hours, please e-mail softconf@stsci.edu. Please mark the appropriate box on the template form for Oral or Poster presentation, or Demo, and note that there is only a limited amount of time for oral papers. Selections will be made by the Program Organizing Committee. Any author whose paper is changed from oral to poster will be notified. The "Special Instructions" box on the template must be marked if the presenter needs any special audio-video equipment. There is a charge of $250/day for any special equipment (including VCR's - VHS only). We will contact you concerning these requests. The following guidelines are made for those who cannot submit their abstracts electronically. o No abstracts will be accepted via FAX. o Type with a dark ribbon or use a laser printer. o Cutting and pasting must be done by the author(s). We will not accept the job, and your abstract will be returned. Do not use tape. o Use a type no smaller then 10 point. o Do not use footnotes, as these tend to get lost in reproduction. o Do not use symbols or fonts that are not readily available from TeX/LaTeX or on a normal typewriter. o Feel free to acknowledge funding sources for your research. o A meeting program will be available via anonymous ftp and WWW in mid-August. For those who do not have access to ftp or WWW, we will send a copy of the meeting program by e-mail, on request to softconf@stsci.edu. Before typing or submitting your abstract, please read the README file from the ftp directory. If you have any problems e-mail us at softconf@stsci.edu. Failure to follow these rules may result in the rejection of your paper. Errors are the responsibility of the authors. Presentation of Papers We encourage poster presentations as these provide for more time and flexibility in presenting a paper. The poster area will be the focal area of the meeting, with coffee breaks located in the adjacent Promenade. There are limited slots for oral papers. Visual aids available are 35mm slides and overhead transparency projectors. Any other equipment needed must be noted under the "Special Instructions" box on the abstract template, will require an additional fee, and should be discussed with the LOC at softconf@stsci.edu Invited papers: These are talks lasting 30 minutes (including time for discussion), and will be presented within regular oral sessions where appropriate. Oral papers: These are 15 minutes long (including questions). Poster papers: These will be arranged by topic, and each poster will remain on display for all three days of the conference. Authors are expected to be at their posters for at least two hours during the conference. There will be sessions of roughly two hours a day where participants may discuss their posters. The poster should fit within a 3 ft. wide by 4 ft. tall (0.9 m by 1.2 m) area and can be set up starting at 3 P.M on September 25 and taken down by 6 P.M. on September 28. Please bring your own thumbtacks. Requests for extra space or special audio-visual equipment must be made on the "Special Instructions" box on the abstract template, and are subject to approval of the Program Organizing Committee. Computer Demonstrations: Please check the box on the registration form to receive detailed instructions regarding computer demos. These demos can be set up on September 26 starting at 3 P.M. and must be removed by 4 P.M. on September 28. See "NETWORK CONNECTIVITY - NASA Science Internet" for additional information. Proceedings The proceeding of the meeting will be published as part of the Astronomical Society of the Pacific's "Conference Series." Invited, oral, and poster presentations will be accepted for publication. The invited papers are limited to ten pages in length, and all other papers (poster and oral) are limited to three pages. LaTeX templates in the style and format required by the ASP can be found on anonymous ftp at ra.stsci.edu (130.167.1.101) in the directory /pub/adass/proceedings. If you have any problems retrieving the files or in getting them to work, please contact us at softconf@stsci.edu. The Editors would appreciate electronic copies of the papers at the time of the conference, and the absolute deadline for papers to be included in the Proceedings is October 28, 1994. Please e-mail the papers to adass4_editors@stsci.edu. Your contribution will be acknowledged. Each registered participant will receive a copy of the Proceedings when published.