Acknowledgments

The data sources, surveys and projects DeepSkyLog relies on

DeepSkyLog stands on the work of many astronomers, observatories, open data projects and open source authors. Thank you.

Catalogs and object data

OpenNGC - Mattia Verga. The NGC and IC object database behind DeepSkyLog’s object lookup, names, types and sizes. Licensed under CC BY-SA 4.0. Modified for DeepSkyLog and shared under the same licence. Source: github.com/mattiaverga/OpenNGC.

ConstellationLines - Marc van der Sluys. The constellation stick figures drawn on the sky map. Licensed under CC BY 4.0. Source: github.com/MarcvdSluys/ConstellationLines.

SIMBAD - operated at CDS, Strasbourg. Used for object name lookup. See simbad.cds.unistra.fr.

Sky viewer and surveys

Aladin Lite - Centre de Donnees astronomiques de Strasbourg (CDS). The interactive sky atlas used in the Sky Map, project views and mosaic planning. Licensed under LGPL-3.0. Source: github.com/cds-astro/aladin-lite.

Digitized Sky Survey 2 (DSS2 Color) - The Digitized Sky Surveys were produced at the Space Telescope Science Institute under U.S. Government grant NAG W-2166. The images are based on photographic data obtained using the Oschin Schmidt Telescope on Palomar Mountain and the UK Schmidt Telescope.

Gaia DR3 - This work uses data from the European Space Agency (ESA) mission Gaia, processed by the Gaia Data Processing and Analysis Consortium (DPAC).

Weather

MET Norway - Weather forecasts and cloud cover data come from the Norwegian Meteorological Institute (met.no), published under CC BY 4.0.

meteoblue - The astronomy forecast widget is provided by meteoblue.

Maps and geocoding

OpenStreetMap contributors - Location maps use OpenStreetMap data, available under the ODbL. © OpenStreetMap contributors.

MapLibre GL JS - The map renderer. Licensed under BSD-3-Clause. See maplibre.org.

Geoapify - Address search when you add an observing location. See geoapify.com.

Acquisition software

N.I.N.A. - Nighttime Imaging ‘N’ Astronomy, by Stefan Berg and contributors. The DeepSkyLog plugin integrates with it. Thanks also to the makers of ASIAIR, KStars/Ekos and the other acquisition software DeepSkyLog works with.