All Sky Imager
The All Sky Imager is operated monthly at night during low moon periods. It records airglow images of hydroxyl (OH), atomic (O) green line and sometime Na emissions. The total number of nights and hours in each month are summarized in the following table.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2009 | | | | | | | | | 5 (51) | 5 (49) | 12 (140) | 24 (280) |
| 2010 | 14 (163) | 16 (181) | 19 (211) | 26 (318) | 16 (192) | 11 (127) | 19 (222) | 24 (267) | 10 (117) | | | 1 (12) |
| 2011 | 9 (105) | 1 (5) | 6 (30) | 12 (133) | 22 (249) | 21 (236) | 22 (257) | 17 (168) 2 (6) 2 (6) | 19 (63) 18 (47) 18 (47) | 13 (52) 13 (39) 13 (39) | 16 (64) 16 (48) 16 (48) | 21 (84) 21 (63) 21 (63) |
| 2012 | 6 (20) 6 (23) 4 (7) | 2 (5) 2 (8) | 13 (51) 11 (44) | 3 (6) 3 (8) | 1 (3) 1 (4) | 2 (4) 2 (7) | 22 (93) 22 (139) | 2 (3) 2 (4) | 11 (48) 11 (72) | 4 (14) 4 (21) | 7 (22) 7 (35) | 6 (13) 6 (19) |
| 2013 | | 6 (20) 7 (36) | 14 (48) 14 (71) | 11 (41) 11 (61) 2 (6) | | 9 (37) 9 (55) | 7 (30) 7 (45) | 5 (11) 5 (17) | 4 (16) 4 (24) | 13 (49) 13 (73) | 9 (25) 9 (38) | 1 (4) 1 (5) |
| 2014 | 14 (44) 14 (65) | 12 (36) 12 (53) | 8 (25) 8 (37) | 11 (36) 11 (54) | 5 (21) 5 (32) | | 6 (17) 6 (25) | 16 (53) 16 (79) | 21 (78) 21 (117) | 12 (42) 13 (67) | | |
| 2015 | 16 (61) 16 (92) | 11 (35) 11 (47) | 10 (32) 10 (48) | 15 (53) 16 (81) | 8 (31) 8 (46) | 8 (36) 9 (54) | 12 (45) 12 (61) | | | 5 (13) 5 (20) | 7 (22) 7 (32) | |
| 2016 | | 17 (43) 17 (64) | 15 (48) 15 (73) | | 18 (59) 18 (88) | 8 (31) 8 (47) | 7 (25) 7 (38) | 11 (32) 11 (48) | | 8 (26) 8 (39) | 16 (46) 16 (63) | 2 (4) 2 (6) |
| 2017 | 12 (27) 12 (40) | 5 (14) 5 (21) | | | | | | | | | | |