Example Data
Level 0 Data - Raw
At this time, there are three filters in which data is available at Level 0. This is RAW data which has not undergone any calibration. Below you can find previews of typical examples of images in each filter.
Level 0 Whitelight - Sample Header
| SIMPLE | True |
| BITPIX | -32 |
| NAXIS | 2 |
| NAXIS1 | 4096 |
| NAXIS2 | 4096 |
| EXTEND | True |
| ORIGIN | KODAIKANAL OBSERVATORY |
| TELESCOP | 6" REFRACTOR |
| OBJECT | SUN |
| PHOTOHEL | YES |
| DATE-OBS | 1949-01-03T08:08 |
| LAMBDA | WHITE LIGHT |
| CRPIX1 | 2048.0 |
| CRPIX2 | 2048.0 |
| RADIUS | 1517.32 |
| PLATE-X | 0.62 |
| PLATE-Y | 0.62 |
| NEGATVE | YES |
| BUNIT | INTENSITY |
| INTENSIT | NORMALIZED |
Level 0 Ca K - Sample Header
| SIMPLE | True |
| BITPIX | 32 |
| NAXIS | 2 |
| NAXIS1 | 4096 |
| NAXIS2 | 4096 |
| INSTRUME | Spectroheliograph |
| IMAGETYP | CAK |
| WAVELNTH | 3933.68 |
| TELESCOP | Kodaikanal |
| DATE_OBS | 1949-01-04T07:57:00 |
| CTYPE1 | SOLAR_X |
| CTYPE2 | SOLAR_Y |
| CUNIT1 | Pixels |
| CUNIT2 | Pixels |
| CRPIX1 | 2048 |
| CRPIX2 | 2048 |
| CRVAL1 | 2048 |
| CRVAL2 | 2048 |
| CDELT1 | 1 |
| CDELT2 | 1 |
| NEGATIVE | YES |
| DATE_DGT | 2009-12-24 |
| TIME_DGT | 14:40:27 |
| EXPT_DGT | 1 |
| PIXS_DGT | 15 |
| INST_DGT | Saturn |
| SRNO_DGT | 06370054 |
| SOURCE | SUN |
| BUNIT | Intensity |
| QUAL_FLG | 1 |
| TIMESYS | UTC |
| HISTORY | kdp_archive_ingest: updated header, wrote Level 0a data |
Level 0 H-Alpha - Sample Header
| SIMPLE | True |
| BITPIX | 32 |
| NAXIS | 2 |
| NAXIS1 | 4096 |
| NAXIS2 | 4096 |
| FITSDATE | = '2012-10-12' / DATE FITS FILE WAS CREATED |
| DATE-OBS | = '2012-10-12' / DATE OF EXPOSURE |
| TIME-OBS | = '15:26:44' / TIME OF EXPOSURE |
| EXPTIME | = 5.000000 / EXPOSURE TIME IN SECONDS |
| INSTRUME | = 'SATURN' / DETECTOR USED |
| SERIALNO | = '06370054' / DETECTOR SERIAL NUMBER |
| PIXELSIZ | = 15 / DETECTOR PIXEL SIZE IN MICRONS |