Landscape is a program that prints a table with either Landolt, spectrophotometric or infrared standard visible fields at every night-time hour for the specific date, listed in order of descending elevation. The airmass, the V or K magnitude and a finder chart are also provided.

Date	01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 January February March April May June July August September October November December 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030
Observatory	Roque de los Muchachos Izan~a Calar Alto South Africa Mauna Kea Siding Spring La Silla Cerro Paranal
Catalogue	Landolt Faint UBVRI UKIRT/ARNICA JHK ING Spectrophotometric
Submit
Data sources
Standards Data References Landolt Faint UBVRI Photometric Lookup table TCS catalog ING Technical Notes No. 95 and 85 Landolt, A. U., 1992, AJ, 104, 340 UKIRT Bright JHK Photometric   TCS catalog ING Technical Note No. 113 UKIRT/ARNICA Faint JHK Photometric Lookup table TCS catalog Hawarden, T. G., et al., 2001, MNRAS, 325, 563 Hunt, L. K., et al., 1998, AJ, 115, 2594 ING Technical Note No. 113 ING Spectrophotometric Lookup table TCS catalog ING Technical Notes No. 65 and 100

© 2002 Isaac Newton Group of Telescopes
Developed by Marco Azzaro, Peter Sorensen, Javier Méndez

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Other sets of optical and near-IR standards General: Handbook of Basic Atomic Spectroscopic Data CDS catalogs USNO catalogs IRSA catalogs: 2MASS, USNO, DENIS, etc. Standard Objects for Astronomy (SOFA) - photometric, spectrophotometric, polarimetric, and AO standards SAO Telescope Data Center STScI astronomical catalogs: an atlas of HST calibrations, from Turnshek, D. A., et al., 1990, AJ, 99, 1243. CALOBS and CALSPEC at STScI Mikulski Archive for Space Telescopes (MAST) TNG standards NOT standards ESO standards Astrometric: Apparent Places of Fundamental Stars CDS VizieR Service ESO Astrometric Catalogues Server USNO A2.0 at ESO HST Guide Star Catalogue at ESO 2MASS Catalogue Carlsberg Meridian Catalogs USNO Interactive Catalog and Image Search Guide Star Catalogs UCAC catalogs Photometric: UV standards - ULLYSES Library Standards provided by GEMINI SDSS standards CADC photometric standards The General Catalog of Photometric Data CTIO NIR standards Polarimetric: LIRIS polarimetric standards A List of Polarized and Unpolarized Standard Stars for UKIRT Polarimetric Standard Stars for MIMIR Polarimetric Standard Stars for ISAAC FORS1 Standard Fields and Stars Polarization Standard Stars for ISIS Radial velocity: HERMES RV standard stars Geneva Radial-Velocity Standard Stars C. Chubak et.al, 2012, "Precise radial velocities of 2046 nearby FGKM stars and 131 standards", arXiv:1207.6212v2 TNG radial-velocity standard-stars catalog Radial-velocity standard stars for FIES (NOT) Solar analogs: List of Solar Analogue Stars, courtesy of Audrey Delsanti. Nearby G2V stars Spectrophotometric: ESO library of stellar spectra Faint spectrophotometric standard stars, from Oke, J. B., 1990, AJ, 99, 1621 STIS Next Generation Spectral Library (NGSL) MILES: A Medium resolution INT Library of Empirical Spectra IRTF Spectral Library Libraries of stellar spectra Reference Catalog of Galaxy SEDs SDSS Science Archive Server Telluric: Gemini Observatory Keck telescopes ESO HET Nearby A0V stars