Ultra Deep Survey with the VISTA telescope
- COSMOS field
- an ultra-deep broad-band (Y, J, H, Ks) survey (1408hr) covering 0.73 deg²
- a deep broad-band (Y, J, H, Ks) survey (212hr) covering the full 1.5deg² field
- a narrow-band (180hr) survey covering the same region as the ultra-deep broad-band survey.