Links
Some useful astronomical resources
Filter Profile Service: A repository of Filter information (Spartan)
Target and Observation Manager toolkit (LCOGT)
Gravitational Wave Treasure map
ULYSSES https://ullyses.stsci.edu/ullyses-dr3.html - https://ullyses.stsci.edu/ullyses-download.html
Tools for planning your observations
SDSS DR16 Optical Finding Chart Tool (North Eq. Hemisphere)
SkyMapper uvgriz image cut-outs (South Eq. Hemisphere)
Standard Stars and On-line Surveys
Photometric Standard Stars (Gemini)
Photometric Standard Stars (NOIRLab)
Atomic line list (for spectroscopy)
Catalogues
GSC2.4: http://gsss.stsci.edu/webservices/GSC2/WebForm.aspx
HYG-database: https://github.com/astronexus/HYG-Database
Density of stars on sky: https://laurentperrinet.github.io/sciblog/posts/2021-03-27-density-of-stars-on-the-surface-of-the-sky.html
References for data processing
Theli: A pipeline for astronomical image data reduction (GitHub, v.3.1.2)
Astrometry.net (get astrometry for mostly any fits file): http://astrometry.net/use.html
DRAGONS: https://dragons.readthedocs.io/en/release-3.0.x/
Astroalign (Python): https://github.com/toros-astro/astroalign-legacy
Astrophotography techniques
Starnet (make starless photography images): https://astrobackyard.com/starnet-astrophotography/
Productivity
Fluxograms: http://www.lucidchart.com
Infographs: https://venngage.com/
Alternative translator: https://www.deepl.com/translator
Building an HI 21-cm horn antennae
https://github.com/interstellarmedium/HI_telescope
https://github.com/interstellarmedium/HI_telescope/tree/main/notebooks