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Direct CCD Exposure Time Calculator
Calculates the observation time needed for a given telescope, instrument, detector and filter.
Algorithm based on the IRAF task ccdtime
Last Update: Feb 03 2004
| Instrument: | |
| Filter: | |
| Magnitude: | (must be between -5 and 35) |
| Signal/noise: | (must be between 0 and 100,000) |
| CCD Binning: |
|
| Seeing (arcsecs): | (must be between 0 and 5) |
| Airmass: | (must be between 1 and 3) |
| Lunar Phase: | |
Your observation will require approximately seconds to complete.
Star counts: Sky counts/pixel:
Noise Contributions: Star Sky CCD