BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Stellarhound//city-ics-v1//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Stellarhound — Northumberland National Park and Kielder Wate
 r & Forest Park dark-sky nights
X-WR-CALDESC:Nights when the Moon leaves Northumberland National Park and K
 ielder Water & Forest Park's dark hours essentially moon-free (moon interf
 erence ≤ 15%\, the deep-sky standard used across stellarhound.com). Dete
 rministic moon & darkness geometry via Skyfield + JPL DE440s (city-ics-v1)
 . Cloud cover is not knowable this far ahead — check the live forecast a
 t https://stellarhound.com/dark-sites/northumberland-national-park-and-kie
 lder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dar
 k-site-windows&utm_content=northumberland-national-park-and-kielder-water-
 forest-park closer to each window.
REFRESH-INTERVAL;VALUE=DURATION:P1W
X-PUBLISHED-TTL:P1W
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2026-08-09@stellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20260809
DTEND;VALUE=DATE:20260823
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2026-09-06@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2026-10-05@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2026-11-03@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2026-12-02@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2026-12-31@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-01-29@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-02-27@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-03-28@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-04-25@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-05-26@stellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270526
DTEND;VALUE=DATE:20270609
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-06-29@stellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270629
DTEND;VALUE=DATE:20270714
SUMMARY:Dark-sky window · 15 moon-free nights
DESCRIPTION:15 nights with essentially moon-free dark hours at Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-07-29@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-08-27@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-09-25@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-10-24@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-11-22@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-northumberland-national-park-and-kielder-water-forest-
 park-2027-12-21@stellarhound.com
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 Northumberla
 nd National Park and Kielder Water & Forest Park (nightly moon interferenc
 e ≤ 15% — Moon below the horizon for nearly all of astronomical darkne
 ss\, or too thin to matter).\n\nCloud is the one thing no calendar can pro
 mise. When a window gets close\, check the live per-night forecast: https:
 //stellarhound.com/dark-sites/northumberland-national-park-and-kielder-wat
 er-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-w
 indows&utm_content=northumberland-national-park-and-kielder-water-forest-p
 ark\n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfiel
 d + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/northumberland-national-park-and-ki
 elder-water-forest-park?utm_source=calendar&utm_medium=ics&utm_campaign=da
 rk-site-windows&utm_content=northumberland-national-park-and-kielder-water
 -forest-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR