Gemini North Semester 2025A -- Dates are local HST 
The semester calendar shows multi-instrument queue nights, engineering or commissioning. Dates are local HST, dates in red are weekends and holidays.  
Instruments potentially usable are indicated by the colored-horizontal bands (see color key below). 
 
GMOS-N will be out of operations Apr21 until ~May05.
 “onsky” label noted in the GMOS schedule starting May 5 indicates the beginning of on-sky checks. 
Science observations will resume progressively as we complete these checks, but this process may take several days.
"long" indicates GNIRS will be in long camera mode. Rest of the time, GNIRS will be set to only use blue short camera. "long bckup" indicates backup dates to se GNIRS' long cameras.
Alopeke on Mar15 for a time critical observation for that evening.  Outside the time critical event, we will be carrying out regular queue operations. 
A* on Apr27 = 'Alopeke for about 2.5hrs during the 2nd half of the night. 
A* on Apr27 = Backup for above 'Alopeke time. 
Key:GMOS GNIRS  IGRINS2 Altair  Alopeke Maroon-X Engineering 
         
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FebGMOS                               Feb
 GNIRS                                
12 fullIGRINS2                                
27 newAltair                                
 Visiting                                
                               
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MarGMOS                               Mar        
 GNIRS                                        
14 fullIGRINS2                                        
29 newAltair                                        
 Visiting                                     
                               
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AprGMOS                               Apr
 GNIRS                                
12 fullIGRINS2                                
27 newAltair                                
 Visiting                          A*A*    
                               
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MayGMOS    onskyonskyonskyonskyonskyonskyonsky                    May
 GNIRS        long long long long long                    
12 fullIGRINS2                                
26 newAltair                                
 Visiting                                
                               
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JuneGMOS                               June
 GNIRS                                
11 fullIGRINS2                                
25 newAltair                                
 Visiting                                
                               
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July   GMOS                               July   
 GNIRS                                
10 fullIGRINS2                                
24 newAltair                                
 Visiting                                
                               
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