nusrat.tech: credits for the live sky
=====================================

The sky on this site is the real sky over Tashkent (41.30 N, 69.28 E) at the moment you visit
(or tonight's darkness, if the Sun is up there), computed in your browser.

STARS: stars-hyg-v44-m75.bin
  HYG Database v4.4 by David Nash / astronexus, https://codeberg.org/astronexus/hyg
  Licence: Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0),
  https://creativecommons.org/licenses/by-sa/4.0/
  Changes: filtered to visual magnitude V <= 7.5 (25,790 stars, the Sun excluded), sorted by
  brightness and encoded as 6-byte records (RA, Dec, V, B-V). This derived file is itself
  offered under CC BY-SA 4.0.

MILKY WAY: milkyway-3840.webp, milkyway-2048.webp
  NASA/Goddard Space Flight Center Scientific Visualization Studio, "Deep Star Maps 2020"
  (Ernie Wright, Laurence Schuler, Ian Jones), layer milkyway_2020, https://svs.gsfc.nasa.gov/4851/
  Gaia DR2: ESA/Gaia/DPAC.
  Changes: sky floor subtracted, downsampled, WebP-encoded.

METEOR SHOWERS
  International Meteor Organization, 2026 Meteor Shower Calendar (J. Rendtel, IMO INFO(3-25)),
  Tables 5 and 6 (radiants, speeds, population indices, ZHR, radiant drift). Data cited.

BLACK HOLE (404): black-hole-still-*.webp
  Computed by this site's own Schwarzschild ray tracer from the two sources above.

GALAXY CORE: galaxy-core-*.webp, galaxy-core-portrait-*.webp (the GEO card)
  Crops of milkyway-3840.webp around the galactic centre (same source and licence as MILKY WAY above).
  Changes: cropped, resized, lightly sharpened, graded with the GEO page sky shader's own tint (purple-black
  ground, steep toe, purple shift; components/sky/sky-gl.ts), WebP-encoded.