Previous Semesters

Schedules and summaries

• Semester 2022A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3  ||  GS Bands 1-3
  • GN Director's Discretionary Time  ||  GS Director's Discretionary Time
  • GN Large Programs  ||  GS Large Programs
  • GN Fast Turnaround  ||  GS Fast Turnaround
  • GN Poor Weather  ||  GS Poor Weather
• Semester 2021B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3  ||  GS Bands 1-3
  • GN Director's Discretionary Time  ||  GS Director's Discretionary Time
  • GN Large Programs  ||  GS Large Programs
  • GN Fast Turnaround  ||  GS Fast Turnaround
  • GN Poor Weather  ||  GS Poor Weather
• Semester 2021A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3  ||  GS Bands 1-3
  • GN Director's Discretionary Time  ||  GS Director's Discretionary Time
  • GN Large Programs  ||  GS Large Programs
  • GN Fast Turnaround  ||  GS Fast Turnaround
  • GN Poor Weather  ||  GS Poor Weather
• Semester 2020B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3  ||  GS Bands 1-3
  • GN Director's Discretionary Time  ||  GS Director's Discretionary Time
  • GN Large Programs  ||  GS Large Programs
  • GN Fast Turnaround  ||  GS Fast Turnaround
  • GN Poor Weather  ||  GS Poor Weather
• Semester 2020A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2019B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2019A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2018B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2018A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2017B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2017A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2016B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2016A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2015B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround || GS Fast Turnaround
• Semester 2015A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
  • GN Fast Turnaround
• Semester 2014B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
  • GN Large Programs || GS Large Programs
• Semester 2014A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2013B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2013A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2012B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2012A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2011B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2011A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2010B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2010A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2009B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2009A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2008B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2008A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2007B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2007A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2006B
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2006A
  • semester schedule: GN | GS
  • classical schedule
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
  • GN Poor Weather || GS Poor Weather
• Semester 2005B
  • semester schedule: GN | GS
  • classical schedule 
  • GN Bands 1-3 || GS Bands 1-3
  • GN Director's Discretionary Time || GS Director's Discretionary Time
• Semester 2005A
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2004B
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2004A
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2003B
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2003A
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2002B
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2002A
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2001B
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2001A
  • semester schedule: GN | GS
  • classical schedule
  • queue summary
• Semester 2000QS (Quick Start)
  • queue summary

Status of Queue

These links show the status of the queue programs at each telescope, in each semester, as the percentage of observations that are at Phase 2, are ready for or in review, for activation, on hold, ready, ongoing, observed or inactive. These pages are updated daily.

• 22A Overview GN | GS || 22A Interactive GN | GS
• 21B Overview GN | GS || 21B Interactive GN | GS
• 21A Overview GN | GS || 21A Interactive GN | GS
• 20B Overview GN | GS || 20B Interactive GN | GS
• 20A Overview GN | GS || 20A Interactive GN | GS
• 19B Overview GN | GS || 19B Interactive GN | GS
• 19A Overview GN | GS || 19A Interactive GN | GS
• 18B Overview GN | GS || 18B Interactive GN | GS
• 18A Overview GN | GS || 18A Interactive GN | GS
• 17B Overview GN | GS || 17B Interactive GN | GS
• 17A Overview GN | GS || 17A Interactive GN | GS
• 16B Overview GN | GS || 16B Interactive GN | GS
• 16A Overview GN | GS || 16A Interactive GN | GS
• 15B Overview GN | GS || 15B Interactive GN | GS
• 15A Overview GN | GS || 15A Interactive GN | GS
• 14B Overview GN | GS || 14B Interactive GN | GS
• 14A Overview GN | GS || 14A Interactive GN | GS
• 13B Overview GN | GS || 13B Interactive GN | GS
• 13A Overview GN | GS || 13A Interactive GN | GS
• 12B Overview GN | GS || 12B Interactive GN | GS
• 12A Overview GN | GS || 12A Interactive GN | GS
• 11B Overview GN | GS || 11B Interactive GN | GS
• 11A Overview GN | GS || 11A Interactive GN | GS
• 10B Overview GN | GS || 10B Interactive GN | GS
• 10A Overview GN | GS || 10A Interactive GN | GS
• 09B Overview GN | GS || 09B Interactive GN | GS
• 09A Overview GN | GS || 09A Interactive GN | GS
• 08B Overview GN | GS || 08B Interactive GN | GS
• 08A Overview GN | GS || 08A Interactive GN | GS
• 07B Overview GN | GS || 07B Interactive GN | GS
• 07A Overview GN | GS || 07A Interactive GN | GS
• 06B Overview GN | GS || 06B Interactive GN | GS
• 06A Overview GN | GS || 06A Interactive GN | GS
• 05B Overview GN | GS || 05B Interactive GN | GS
• 05A Overview GN | GS || 05A Interactive GN | GS
• 04B Overview GN | GS || 04B Interactive GN | GS
• 04A Overview GN | GS || 04A Interactive GN | GS

Phase II instructions and Deadlines

Phase II Instructions, including GMOS Mask and Laser Target Deadlines

​Phase I and II Deadlines from the Call for Proposals