FLWO Tillinghast 60-inch Observing Schedule
February-July 2024

60" Schedule for February 2024 (as of 2024-12-06)

January February March April May June July August September Programs Schedules
DATE         INST    OBSERVER    LST        DUSK     DAWN       MOON    RISE     SET
FEB  1 Thu   TRES    GE          08:24      19:22    05:53      0.57    00:24    10:52
FEB  2 Fri   "       GE          08:28      19:23    05:53      0.47    01:24    11:21
FEB  3 Sat   "       GE          08:32      19:23    05:52      0.37    02:26    11:55
FEB  4 Sun   "       MC          08:36      19:24    05:52      0.27    03:31    12:35
FEB  5 Mon   "       MC          08:40      19:25    05:51      0.18    04:36    13:25
FEB  6 Tue   "       MC          08:44      19:26    05:50      0.10    05:37    14:24
FEB  7 Wed   "       MC          08:48      19:27    05:50      0.04    05:37    15:32
FEB  8 Thu   "       MC          08:52      19:27    05:49      0.01    06:31    16:45
FEB  9 Fri   "       GE          08:56      19:28    05:48      0.00    07:17    18:00
FEB 10 Sat   "       GE          08:60      19:29    05:48      0.03    07:57    19:14
FEB 11 Sun   "       GE          09:04      19:30    05:47      0.08    08:33    20:26
FEB 12 Mon   "       GE          09:08      19:30    05:46      0.16    09:05    21:35
FEB 13 Tue   "       GE          09:12      19:31    05:45      0.25    09:37    22:43
FEB 14 Wed   "       PB          09:16      19:32    05:45      0.36    10:09    23:50
FEB 15 Thu   "       MC          09:20      19:33    05:44      0.47    10:44    00:57
FEB 16 Fri   "       MC          09:24      19:33    05:43      0.57    11:22    02:03
FEB 17 Sat   "       MC          09:27      19:34    05:42      0.67    12:06    03:06
FEB 18 Sun   "       MC          09:31      19:35    05:41      0.76    12:56    04:03
FEB 19 Mon   "       MC          09:35      19:36    05:40      0.84    13:51    04:54
FEB 20 Tue   "       PB          09:39      19:36    05:39      0.91    14:49    05:38
FEB 21 Wed   "       GE          09:43      19:37    05:38      0.95    15:48    05:38
FEB 22 Thu   "       GE          09:47      19:38    05:37      0.99    16:47    06:15
FEB 23 Fri   "       GE          09:51      19:39    05:36      1.00    17:44    06:47
FEB 24 Sat   "       GE          09:55      19:39    05:35      0.99    18:39    07:15
FEB 25 Sun   "       GE          09:59      19:40    05:34      0.97    19:33    07:41
FEB 26 Mon   "       MC          10:03      19:41    05:33      0.93    20:27    08:05
FEB 27 Tue   "       MC          10:07      19:41    05:32      0.88    21:21    08:30
FEB 28 Wed   "       MC          10:11      19:42    05:31      0.81    22:17    08:55
FEB 29 Thu   TRES    MC          10:15      19:43    05:30      0.73    23:14    09:22

** DATE IS STANDARD TIME AT START OF NIGHT 
** LOCAL SIDEREAL TIME AT MIDNIGHT 
** DUSK AND DAWN REPRESENT ASTRONOMICAL TWILIGHT 18 DEG 
** MOON IS FRACTIONAL MOON ILLUMINATION AT MIDNIGHT
** RISE AND SET TIME FOR MOON -34"

60" Schedule for March 2024 (as of 06 Dec 2023)

January February March April May June July August September Programs Schedules
DATE         INST    OBSERVER    LST        DUSK     DAWN       MOON    RISE     SET
MAR  1 Fri   TRES    GE          10:19      19:44    05:29      0.64    00:15    09:54
MAR  2 Sat   "       GE          10:23      19:44    05:28      0.54    01:18    10:30
MAR  3 Sun   "       GE          10:27      19:45    05:27      0.43    02:21    11:14
MAR  4 Mon   "       GE          10:31      19:46    05:26      0.33    03:21    12:07
MAR  5 Tue   TRES    MC          10:34      19:47    05:24      0.23    04:17    13:09
MAR  6 Wed   FAST    MC          10:38      19:47    05:23      0.14    05:06    14:18
MAR  7 Thu   "       MC          10:42      19:48    05:22      0.07    05:06    15:32
MAR  8 Fri   "       MC          10:46      19:49    05:21      0.02    05:48    16:46
MAR  9 Sat   "       PG          10:50      19:49    05:20      0.00    06:26    17:59
MAR 10 Sun   "       PG          10:54      19:50    05:18      0.01    06:59    19:10
MAR 11 Mon   "       GE          10:58      19:51    05:17      0.06    07:32    20:21
MAR 12 Tue   "       ASTRO100 GE 11:02      19:52    05:16      0.12    08:05    21:31
MAR 13 Wed   FAST    ASTRO100 GE 11:06      19:52    05:14      0.21    08:39    22:41
MAR 14 Thu   TRES    GE          11:10      19:53    05:13      0.31    09:18    23:50
MAR 15 Fri   "       PB          11:14      19:54    05:12      0.41    10:01    00:57
MAR 16 Sat   "       MC          11:18      19:55    05:11      0.51    10:50    01:58
MAR 17 Sun   "       MC          11:22      19:55    05:09      0.61    11:44    02:52
MAR 18 Mon   "       MC          11:26      19:56    05:08      0.71    12:42    03:38
MAR 19 Tue   "       MC          11:30      19:57    05:07      0.79    13:42    04:17
MAR 20 Wed   "       PB          11:34      19:58    05:05      0.86    14:41    04:50
MAR 21 Thu   "       GE          11:38      19:58    05:04      0.92    15:38    05:19
MAR 22 Fri   "       GE          11:42      19:59    05:03      0.96    16:34    05:19
MAR 23 Sat   "       GE          11:45      19:60    05:01      0.99    17:28    05:45
MAR 24 Sun   "       GE          11:49      20:01    04:60      1.00    18:22    06:10
MAR 25 Mon   "       PB          11:53      20:01    04:58      0.99    19:16    06:34
MAR 26 Tue   "       MC          11:57      20:02    04:57      0.96    20:11    06:59
MAR 27 Wed   "       MC          12:01      20:03    04:56      0.92    21:09    07:26
MAR 28 Thu   "       MC          12:05      20:04    04:54      0.86    22:08    07:56
MAR 29 Fri   "       MC          12:09      20:05    04:53      0.78    23:10    08:30
MAR 30 Sat   "       GE          12:13      20:05    04:52      0.69    00:12    09:11
MAR 31 Sun   TRES    GE          12:17      20:06    04:50      0.59    01:12    09:60

** DATE IS STANDARD TIME AT START OF NIGHT 
** LOCAL SIDEREAL TIME AT MIDNIGHT 
** DUSK AND DAWN REPRESENT ASTRONOMICAL TWILIGHT 18 DEG 
** MOON IS FRACTIONAL MOON ILLUMINATION AT MIDNIGHT
** RISE AND SET TIME FOR MOON -34"

60" Schedule for April 2024 (as of 06 Dec 2023)

January February March April May June July August September Programs Schedules

DATE         INST    OBSERVER    LST        DUSK     DAWN       MOON    RISE     SET
APR  1 Mon   TRES    GE          12:21      20:07    04:49      0.48    02:08    10:57
APR  2 Tue   "       GE          12:25      20:08    04:47      0.37    02:58    12:02
APR  3 Wed   "       PB          12:29      20:09    04:46      0.27    03:41    13:11
APR  4 Thu   "       PB          12:33      20:10    04:45      0.17    04:19    14:22
APR  5 Fri   "       MC          12:37      20:10    04:43      0.09    04:54    15:34
APR  6 Sat   "       MC          12:41      20:11    04:42      0.03    05:26    16:44
APR  7 Sun   "       MC          12:45      20:12    04:40      0.00    05:26    17:55
APR  8 Mon   "       MC          12:49      20:13    04:39      0.00    05:59    19:05
APR  9 Tue   "       MC          12:52      20:14    04:38      0.03    06:32    20:17
APR 10 Wed   "       PB          12:56      20:15    04:36      0.09    07:09    21:29
APR 11 Thu   "       PB          13:00      20:16    04:35      0.17    07:52    22:39
APR 12 Fri   "       GE          13:04      20:16    04:33      0.26    08:40    23:45
APR 13 Sat   "       GE          13:08      20:17    04:32      0.35    09:33    00:43
APR 14 Sun   "       GE          13:12      20:18    04:31      0.45    10:32    01:34
APR 15 Mon   "       GE          13:16      20:19    04:29      0.55    11:32    02:16
APR 16 Tue   "       MC          13:20      20:20    04:28      0.65    12:32    02:51
APR 17 Wed   "       MC          13:24      20:21    04:26      0.73    13:31    03:22
APR 18 Thu   "       MC          13:28      20:22    04:25      0.81    14:27    03:49
APR 19 Fri   "       MC          13:32      20:23    04:24      0.88    15:22    04:14
APR 20 Sat   "       GE          13:36      20:24    04:22      0.93    16:16    04:38
APR 21 Sun   "       GE          13:40      20:25    04:21      0.97    17:10    05:03
APR 22 Mon   "       GE          13:44      20:26    04:20      1.00    18:05    05:03
APR 23 Tue   "       GE          13:48      20:27    04:18      1.00    19:02    05:29
APR 24 Wed   "       GE          13:52      20:28    04:17      0.98    20:01    05:58
APR 25 Thu   "       PB          13:56      20:29    04:16      0.95    21:03    06:31
APR 26 Fri   "       MC          13:60      20:29    04:15      0.89    22:05    07:10
APR 27 Sat   "       MC          14:03      20:30    04:13      0.82    23:07    07:57
APR 28 Sun   "       MC          14:07      20:31    04:12      0.73    00:04    08:51
APR 29 Mon   "       MC          14:11      20:32    04:11      0.63    00:55    09:53
APR 30 Tue   TRES    GE          14:15      20:33    04:10      0.52    01:39    11:00

** DATE IS STANDARD TIME AT START OF NIGHT 
** LOCAL SIDEREAL TIME AT MIDNIGHT 
** DUSK AND DAWN REPRESENT ASTRONOMICAL TWILIGHT 18 DEG 
** MOON IS FRACTIONAL MOON ILLUMINATION AT MIDNIGHT
** RISE AND SET TIME FOR MOON -34"

60" Schedule for May 2024 (as of 06 Dec 2023)

January February March April May June July August September Programs Schedules

DATE         INST    OBSERVER    LST        DUSK     DAWN       MOON    RISE     SET
MAY  1 Wed   TRES    "           14:19      20:34    04:08      0.41    02:18    12:09
MAY  2 Thu   TRES    "           14:23      20:35    04:07      0.30    02:52    13:18
MAY  3 Fri   FAST    "           14:27      20:36    04:06      0.20    03:24    14:26
MAY  4 Sat   "       "           14:31      20:37    04:05      0.11    03:55    15:34
MAY  5 Sun   "       "           14:35      20:38    04:04      0.05    04:27    16:43
MAY  6 Mon   "       WB          14:39      20:39    04:03      0.01    05:02    17:52
MAY  7 Tue   "       WB          14:43      20:40    04:01      0.00    05:02    19:04
MAY  8 Wed   FAST    WB          14:47      20:41    04:00      0.02    05:41    20:16
MAY  9 Thu   TRES    "           14:51      20:42    03:59      0.06    06:27    21:25
MAY 10 Fri   "       "           14:55      20:43    03:58      0.13    07:19    22:29
MAY 11 Sat   "       "           14:59      20:44    03:57      0.20    08:17    23:24
MAY 12 Sun   "       "           15:03      20:45    03:56      0.29    09:18    00:11
MAY 13 Mon   "       "           15:07      20:46    03:55      0.39    10:20    00:50
MAY 14 Tue   "       "           15:10      20:47    03:54      0.48    11:21    01:22
MAY 15 Wed   "       "           15:14      20:48    03:53      0.58    12:18    01:51
MAY 16 Thu   "       "           15:18      20:49    03:52      0.67    13:14    02:17
MAY 17 Fri   "       "           15:22      20:50    03:51      0.76    14:08    02:41
MAY 18 Sat   "       "           15:26      20:51    03:51      0.83    15:02    03:06
MAY 19 Sun   "       "           15:30      20:52    03:50      0.90    15:56    03:31
MAY 20 Mon   "       "           15:34      20:53    03:49      0.95    16:52    03:59
MAY 21 Tue   "       "           15:38      20:54    03:48      0.98    17:51    04:31
MAY 22 Wed   "       "           15:42      20:55    03:47      1.00    18:53    05:08
MAY 23 Thu   "       "           15:46      20:56    03:47      0.99    19:56    05:08
MAY 24 Fri   "       "           15:50      20:56    03:46      0.97    20:59    05:53
MAY 25 Sat   "       "           15:54      20:57    03:45      0.92    21:59    06:46
MAY 26 Sun   "       "           15:58      20:58    03:45      0.85    22:52    07:46
MAY 27 Mon   "       "           16:02      20:59    03:44      0.76    23:38    08:53
MAY 28 Tue   "       "           16:06      20:60    03:43      0.66    00:18    10:01
MAY 29 Wed   "       "           16:10      21:01    03:43      0.55    00:53    11:09
MAY 30 Thu   "       "           16:14      21:01    03:42      0.44    01:25    12:17
MAY 31 Fri   TRES    "           16:18      21:02    03:42      0.32    01:55    13:23

** DATE IS STANDARD TIME AT START OF NIGHT 
** LOCAL SIDEREAL TIME AT MIDNIGHT 
** DUSK AND DAWN REPRESENT ASTRONOMICAL TWILIGHT 18 DEG 
** MOON IS FRACTIONAL MOON ILLUMINATION AT MIDNIGHT
** RISE AND SET TIME FOR MOON -34"

60" Schedule for June 2024 (as of 06 Dec 2023)

January February March April May June July August September Programs Schedules

DATE         INST    OBSERVER    LST        DUSK     DAWN       MOON    RISE     SET
JUN  1 Sat   TRES    "           16:21      21:03    03:41      0.22    02:26    14:29
JUN  2 Sun   TRES    "           16:25      21:04    03:41      0.13    02:59    15:36
JUN  3 Mon   FAST    "           16:29      21:04    03:40      0.06    03:35    16:45
JUN  4 Tue   "       "           16:33      21:05    03:40      0.02    04:17    17:55
JUN  5 Wed   "       "           16:37      21:06    03:40      0.00    05:06    19:05
JUN  6 Thu   "       "           16:41      21:06    03:39      0.01    05:06    20:11
JUN  7 Fri   "       "           16:45      21:07    03:39      0.04    06:02    21:11
JUN  8 Sat   "       "           16:49      21:07    03:39      0.09    07:02    22:02
JUN  9 Sun   "       "           16:53      21:08    03:39      0.16    08:05    22:45
JUN 10 Mon   FAST    "           16:57      21:08    03:39      0.24    09:07    23:20
JUN 11 Tue   TRES    "           17:01      21:09    03:39      0.32    10:07    23:51
JUN 12 Wed   "       "           17:05      21:09    03:38      0.41    11:04    00:18
JUN 13 Thu   "       "           17:09      21:10    03:38      0.51    11:59    00:43
JUN 14 Fri   "       "           17:13      21:10    03:38      0.60    12:53    01:07
JUN 15 Sat   "       "           17:17      21:10    03:38      0.69    13:46    01:32
JUN 16 Sun   "       "           17:21      21:11    03:38      0.78    14:42    01:59
JUN 17 Mon   "       "           17:25      21:11    03:39      0.85    15:39    02:29
JUN 18 Tue   "       "           17:28      21:11    03:39      0.92    16:39    03:04
JUN 19 Wed   "       "           17:32      21:12    03:39      0.96    17:42    03:46
JUN 20 Thu   "       "           17:36      21:12    03:39      0.99    18:46    04:36
JUN 21 Fri   "       "           17:40      21:12    03:39      1.00    19:48    05:35
JUN 22 Sat   "       "           17:44      21:12    03:39      0.98    20:45    05:35
JUN 23 Sun   "       "           17:48      21:12    03:40      0.94    21:35    06:41
JUN 24 Mon   "       "           17:52      21:12    03:40      0.87    22:18    07:51
JUN 25 Tue   "       "           17:56      21:12    03:40      0.78    22:55    09:01
JUN 26 Wed   "       "           18:00      21:12    03:41      0.68    23:27    10:09
JUN 27 Thu   "       "           18:04      21:12    03:41      0.57    23:58    11:16
JUN 28 Fri   "       "           18:08      21:12    03:42      0.46    00:28    12:22
JUN 29 Sat   "       "           18:12      21:12    03:42      0.35    00:59    13:27
JUN 30 Sun   TRES    "           18:16      21:12    03:43      0.24    01:34    14:34

** DATE IS STANDARD TIME AT START OF NIGHT 
** LOCAL SIDEREAL TIME AT MIDNIGHT 
** DUSK AND DAWN REPRESENT ASTRONOMICAL TWILIGHT 18 DEG 
** MOON IS FRACTIONAL MOON ILLUMINATION AT MIDNIGHT
** RISE AND SET TIME FOR MOON -34"

60" Schedule for July 2024 (as of 06 Dec 2023)

January February March April May June July August September Programs Schedules

DATE         INST    OBSERVER    LST        DUSK     DAWN       MOON    RISE     SET
JUL  1 Mon   TRES    "           18:20      21:12    03:43      0.15    02:13    15:42
JUL  2 Tue   "       "           18:24      21:11    03:44      0.08    02:58    16:51
JUL  3 Wed   "       "           18:28      21:11    03:44      0.03    03:50    17:58
JUL  4 Thu   "       "           18:32      21:11    03:45      0.01    04:49    18:59
JUL  5 Fri   "       "           18:35      21:10    03:45      0.00    05:51    19:53
JUL  6 Sat   "       "           18:39      21:10    03:46      0.02    05:51    20:39
JUL  7 Sun   "       "           18:43      21:10    03:47      0.06    06:53    21:18
JUL  8 Mon   "       "           18:47      21:09    03:47      0.11    07:55    21:50
JUL  9 Tue   "       "           18:51      21:09    03:48      0.18    08:53    22:18
JUL 10 Wed   "       "           18:55      21:08    03:49      0.26    09:49    22:44
JUL 11 Thu   "       "           18:59      21:08    03:50      0.35    10:43    23:09
JUL 12 Fri   "       "           19:03      21:07    03:50      0.44    11:37    23:33
JUL 13 Sat   "       "           19:07      21:07    03:51      0.53    12:31    23:59
JUL 14 Sun   "       "           19:11      21:06    03:52      0.63    13:27    00:27
JUL 15 Mon   "       "           19:15      21:05    03:53      0.72    14:25    00:59
JUL 16 Tue   "       "           19:19      21:05    03:54      0.81    15:26    01:37
JUL 17 Wed   "       "           19:23      21:04    03:54      0.88    16:30    02:24
JUL 18 Thu   "       "           19:27      21:03    03:55      0.94    17:33    03:19
JUL 19 Fri   "       "           19:31      21:02    03:56      0.98    18:33    04:23
JUL 20 Sat   "       "           19:35      21:01    03:57      1.00    19:26    05:33
JUL 21 Sun   "       "           19:39      21:01    03:58      0.99    20:13    05:33
JUL 22 Mon   "       "           19:43      20:60    03:59      0.95    20:53    06:45
JUL 23 Tue   "       "           19:46      20:59    03:60      0.89    21:28    07:56
JUL 24 Wed   "       "           19:50      20:58    04:01      0.81    21:60    09:06
JUL 25 Thu   "       "           19:54      20:57    04:02      0.71    22:30    10:13
JUL 26 Fri   "       "           19:58      20:56    04:02      0.59    23:01    11:20
JUL 27 Sat   "       "           20:02      20:55    04:03      0.48    23:35    12:27
JUL 28 Sun   "       "           20:06      20:54    04:04      0.37    00:12    13:35
JUL 29 Mon   "       "           20:10      20:53    04:05      0.27    00:55    14:43
JUL 30 Tue   "       "           20:14      20:52    04:06      0.18    01:44    15:49
JUL 31 Wed   TRES    "           20:18      20:51    04:07      0.11    02:40    16:52

** DATE IS STANDARD TIME AT START OF NIGHT 
** LOCAL SIDEREAL TIME AT MIDNIGHT 
** DUSK AND DAWN REPRESENT ASTRONOMICAL TWILIGHT 18 DEG 
** MOON IS FRACTIONAL MOON ILLUMINATION AT MIDNIGHT
** RISE AND SET TIME FOR MOON -34"

60" Schedule for August 2024 (as of 06 Dec 2023)

January February March April May June July August September Programs Schedules

DATE         MOON  INST    OBSERVER    PI AND PROGRAM   MMT

** DATE IS STANDARD TIME AT START OF NIGHT 
** LOCAL SIDEREAL TIME AT MIDNIGHT 
** DUSK AND DAWN REPRESENT ASTRONOMICAL TWILIGHT 18 DEG 
** MOON IS FRACTIONAL MOON ILLUMINATION AT MIDNIGHT
** RISE AND SET TIME FOR MOON -34"

60" Allocations for 2024a, February-August 2024

January February March April May June July August September Programs Schedules

Instrument Proposal Title PI dark gray bright
FAST Spectrograph 230 Merging and Merged White Dwarfs Brown, Warren 1 0 0
FAST Spectrograph 240 Probing the Activity-Rotation Correlation for the Lowest-Mass M Dwarfs Pass, Emily 6 0 0
FAST Spectrograph 12 FAST observations of symbiotic binary systems Kenyon, Scott 5 0 0
FAST Spectrograph 238 A Uniform, All-Sky Survey of Carbon Stars with Gaia Green, Paul 6 0 0
FAST Spectrograph 196 Astro100: Using the FLWO 1.2 and 1.5 m Telescopes for Undergraduate Education Berger, Edo 2 0 0
FAST Spectrograph 241 Untangling the Web of Explosive Transients with the Young Supernova Experiment Yadavalli, Karthik 1 0 0
TRES Spectrograph 219 Betelgeuse, The Recovery Dupree, Andrea 0 0.5 0
TRES Spectrograph 218 Spectroscopy of TESS Objects of Interest Latham, David 29 16.5 47
TRES Spectrograph 226 TRES observations of compact objects in astrometric binaries Latham, David 10 10 5
TRES Spectrograph 97 Stellar Multiples and Circumbinary Planets Torres, Guillermo 0 0 8
TRES Spectrograph 225 Measuring the Obliquities of Warm Jupiters Bieryla, Allyson 0 5 0
Total Allocation 60 32 60