BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Stellarhound//city-ics-v1//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Stellarhound — OM Dark Sky Park & Observatory dark-sky night
 s
X-WR-CALDESC:Nights when the Moon leaves OM Dark Sky Park & Observatory's d
 ark hours essentially moon-free (moon interference ≤ 15%\, the deep-sky 
 standard used across stellarhound.com). Deterministic moon & darkness geom
 etry via Skyfield + JPL DE440s (city-ics-v1). Cloud cover is not knowable 
 this far ahead — check the live forecast at https://stellarhound.com/dar
 k-sites/om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=om-dark-sky-park-observatory clos
 er to each window.
REFRESH-INTERVAL;VALUE=DURATION:P1W
X-PUBLISHED-TTL:P1W
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2026-08-09@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20260809
DTEND;VALUE=DATE:20260822
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2026-09-06@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20260906
DTEND;VALUE=DATE:20260920
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2026-10-05@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261005
DTEND;VALUE=DATE:20261018
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2026-11-03@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261103
DTEND;VALUE=DATE:20261116
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2026-12-02@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261202
DTEND;VALUE=DATE:20261216
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2026-12-31@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261231
DTEND;VALUE=DATE:20270114
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-01-29@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270129
DTEND;VALUE=DATE:20270212
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-02-27@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270227
DTEND;VALUE=DATE:20270313
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-03-28@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270328
DTEND;VALUE=DATE:20270411
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-04-25@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270425
DTEND;VALUE=DATE:20270510
SUMMARY:Dark-sky window · 15 moon-free nights
DESCRIPTION:15 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-05-27@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270527
DTEND;VALUE=DATE:20270610
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-06-30@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270630
DTEND;VALUE=DATE:20270713
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-07-29@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270729
DTEND;VALUE=DATE:20270812
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-08-27@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270827
DTEND;VALUE=DATE:20270909
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-09-25@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270925
DTEND;VALUE=DATE:20271008
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-10-24@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20271024
DTEND;VALUE=DATE:20271105
SUMMARY:Dark-sky window · 12 moon-free nights
DESCRIPTION:12 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-11-22@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20271122
DTEND;VALUE=DATE:20271205
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-om-dark-sky-park-observatory-2027-12-21@stellarhound.c
 om
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20271221
DTEND;VALUE=DATE:20280101
SUMMARY:Dark-sky window · 11 moon-free nights
DESCRIPTION:11 nights with essentially moon-free dark hours at OM Dark Sky 
 Park & Observatory (nightly moon interference ≤ 15% — Moon below the h
 orizon for nearly all of astronomical darkness\, or too thin to matter).\n
 \nCloud is the one thing no calendar can promise. When a window gets close
 \, check the live per-night forecast: https://stellarhound.com/dark-sites/
 om-dark-sky-park-observatory?utm_source=calendar&utm_medium=ics&utm_campai
 gn=dark-site-windows&utm_content=om-dark-sky-park-observatory\n\nRule city
 -ics-v1 — deterministic moon/darkness geometry\, Skyfield + JPL DE440s. 
 Not a weather forecast.
URL:https://stellarhound.com/dark-sites/om-dark-sky-park-observatory?utm_so
 urce=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=om
 -dark-sky-park-observatory
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR