Gemini South Semester 2020A
The semester calendar shows multi-instrument queue nights, priority visitor nights, scheduled classical runs and engineering or commissioning blocks.
Horizontal rows represent instrument ports, color-coded to indicate instruments mounted.  Instruments are available for science unless otherwise noted.  
Note: ToO PIs should always check the "what's available now" pages that are linked from the contents list for the most up-to-date information. 
Scheduled classical runs are indicated by the last characters of the program ID, e.g., "C-1", whilst Priority Visitor programs are indicated with "PV".   
Engineering or commissioning blocks are shown across all rows when no backup queue is available (or telescope is closed).  
New and full moon dates are shown on the left and indicated in yellow and grey on the dates lines.  Dates above each month are color-coded to show weekends and holidays in red.
Key: GMOS   F2   visiting instr     Canopus   GSAOI   GPI   Cal unit  
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29      
February Port 1 - up GPI                   GASP          C-1   GSAOI                 February
10 full Moon Port 2 cal                                                         10 full Moon
23 new Moon Port 3 GMOS                                         C-2                 23 new Moon
  Port 4 Canopus                                                        
  Port 5 IGRINS                     F2                                      
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
March Port 1 - up      GeMS/GSAOI laser run   GPI             March
9 full Moon Port 2 cal                              Zorro science block   9 full Moon
24 new Moon Port 3 GMOS                           Suspension of operation 24 new Moon
  Port 4   Canopus                          
  Port 5 F2                                                              
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30  
April Port 1 - up April
7 full Moon Port 2 7 full Moon
22 new Moon Port 3 Suspension of operation Suspension of operation Suspension of operation 22 new Moon
  Port 4  
  Port 5                                                                
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
May Port 1 - up May
7 full Moon Port 2 7 full Moon
22 new Moon Port 3 Suspension of operation Suspension of operation Suspension of operation 22 new Moon
  Port 4  
  Port 5                                                                
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30  
June Port 1 - up GPI                                                   June
5 full Moon Port 2 cal                                               Zorro 5 full Moon
21 new Moon Port 3 GMOS                                                 21 new Moon
  Port 4 Canopus                                                  
  Port 5         IGRINS                                                    
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
July Port 1 - up GPI                                                             July
5 full Moon Port 2 Zorro science block                                                       5 full Moon
20 new Moon Port 3 GMOS                                                           20 new Moon
  Port 4 Canopus                                                              
  Port 5 F2         IGRINS                         F2                        
version 15 May 2020