Best Calibration Sources for April 20, 2025
Current Anti-Solar Point: RA = 13:54:38.42 / Dec = -11:44:46.1Spectrophotometric Calibration Sources for FTN
| Name | R.A. | Dec. | V Mag. | Spectral Type |
|---|---|---|---|---|
| Feige56 | 12:06:47.24 | +11:40:12.7 | 11.06 | B5p |
| HZ21 | 12:13:56.26 | +32:56:31.4 | 14.68 | DO2 |
| Feige66 | 12:37:23.52 | +25:03:59.9 | 10.50 | sdO |
| Feige67 | 12:41:51.79 | +17:31:19.7 | 11.81 | sdO |
| GD153 | 12:57:02.32 | +22:01:52.6 | 13.35 | DA1 |
| G60-54 | 13:00:09.06 | +03:28:41.1 | 15.81 | DC |
| HZ43 | 13:16:21.85 | +29:05:55.4 | 12.91 | DA1 |
| HZ44 | 13:23:35.26 | +36:07:59.5 | 11.66 | sdO |
| GRW+70d5824 | 13:38:50.48 | +70:17:07.6 | 12.77 | DA3 |
| HR5501 | 14:45:30.21 | +00:43:02.2 | 5.68 | B9.5V |
| BD+33d2642 | 15:51:59.89 | +32:56:54.3 | 10.81 | B2IV |
| G138-31 | 16:27:53.49 | +09:12:16.0 | 16.14 | DC |
Spectrophotometric Calibration Sources for FTS
| Name | R.A. | Dec. | V Mag. | Spectral Type |
|---|---|---|---|---|
| HD 97991 | 11:16:11.71 | -03:28:19.1 | 7.41 | B1V |
| HR4468 | 11:36:40.91 | -09:48:08.1 | 4.70 | B9.5V |
| LTT4364 | 11:45:42.92 | -64:50:29.5 | 11.50 | C2 |
| LTT4816 | 12:38:49.78 | -49:48:00.2 | 13.79 | DA |
| HR4963 | 13:09:56.98 | -05:32:20.5 | 4.38 | A1IV |
| HD 120086 | 13:47:19.20 | -02:26:36.6 | 7.82 | B2V |
| CD-32d9927 | 14:11:46.32 | -33:03:14.4 | 10.42 | A0 |
| LTT6248 | 15:38:59.65 | -28:35:37.0 | 11.80 | A |
| EG274 | 16:23:33.84 | -39:13:46.2 | 11.03 | DA |
| HD 149363 | 16:34:28.28 | -06:08:10.3 | 7.81 | B0 |