UTILITIES Exposition Time Calculator for Spectroscopy Instrument DOLORES NICS Grism LR-B MR-B LR-R V390 V486 V510 V589 V656 V860 VHR-V VHR-R VHR-I NICS Amici NICS IJ NICS JH NICS JK' NICS HK NICS 1 μm NICS J NICS H NICS K Source Type Point Extended NICS FOV Large FWHM arcsec Slit width Air Mass Sky Brightness Days from New Moon: 0 3 7 10 14 Apparent Magnitude mag (mag/arcsec² if extended) Band U B V R I u SDSS g SDSS r SDSS i SDSS z SDSS 1 μm J H Kp K Exposure Time seconds Signal-To-Noise
