BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Stellarhound//city-ics-v1//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:Stellarhound — Katahdin Woods and Waters National Monument d ark-sky nights X-WR-CALDESC:Nights when the Moon leaves Katahdin Woods and Waters National Monument's dark hours essentially moon-free (moon interference ≤ 15%\, the deep-sky standard used across stellarhound.com). Deterministic moon & darkness geometry via Skyfield + JPL DE440s (city-ics-v1). Cloud cover is not knowable this far ahead — check the live forecast at https://stellar hound.com/dark-sites/katahdin-woods-and-waters-national-monument?utm_sourc e=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katah din-woods-and-waters-national-monument closer to each window. REFRESH-INTERVAL;VALUE=DURATION:P1W X-PUBLISHED-TTL:P1W BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2026-08-08 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20260808 DTEND;VALUE=DATE:20260821 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2026-09-06 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20260906 DTEND;VALUE=DATE:20260919 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-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 Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-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 Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2026-12-02 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20261202 DTEND;VALUE=DATE:20261215 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-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 Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-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 Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-02-28 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20270228 DTEND;VALUE=DATE:20270313 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-03-29 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20270329 DTEND;VALUE=DATE:20270411 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-04-27 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20270427 DTEND;VALUE=DATE:20270510 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-05-28 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20270528 DTEND;VALUE=DATE:20270610 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-06-28 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20270628 DTEND;VALUE=DATE:20270711 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-07-28 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20270728 DTEND;VALUE=DATE:20270810 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-08-27 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20270827 DTEND;VALUE=DATE:20270908 SUMMARY:Dark-sky window · 12 moon-free nights DESCRIPTION:12 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-09-25 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20270925 DTEND;VALUE=DATE:20271007 SUMMARY:Dark-sky window · 12 moon-free nights DESCRIPTION:12 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-10-23 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20271023 DTEND;VALUE=DATE:20271105 SUMMARY:Dark-sky window · 13 moon-free nights DESCRIPTION:13 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-2027-11-22 @stellarhound.com DTSTAMP:20260719T000000Z DTSTART;VALUE=DATE:20271122 DTEND;VALUE=DATE:20271204 SUMMARY:Dark-sky window · 12 moon-free nights DESCRIPTION:12 nights with essentially moon-free dark hours at Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT BEGIN:VEVENT UID:dark-site-window-katahdin-woods-and-waters-national-monument-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 Katahdin Woo ds and Waters National Monument (nightly moon interference ≤ 15% — Moo n below the horizon for nearly all of astronomical darkness\, or too thin to matter).\n\nCloud is the one thing no calendar can promise. When a wind ow gets close\, check the live per-night forecast: https://stellarhound.co m/dark-sites/katahdin-woods-and-waters-national-monument?utm_source=calend ar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=katahdin-wood s-and-waters-national-monument\n\nRule city-ics-v1 — deterministic moon/ darkness geometry\, Skyfield + JPL DE440s. Not a weather forecast. URL:https://stellarhound.com/dark-sites/katahdin-woods-and-waters-national- monument?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows &utm_content=katahdin-woods-and-waters-national-monument CATEGORIES:dark-sky-window STATUS:CONFIRMED TRANSP:TRANSPARENT END:VEVENT END:VCALENDAR