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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Dave Walden
Date: 2025 Sep 22, 11:02 -0700
Should have attached all the python output, not just the preliminary. At the very end is:
Maximum eclipse time: 2025-09-21 19:43:00 UTC
Eclipse magnitude: 0.8551 (85.51% of Sun obscured)
Geographic coordinates: 60.9°S, 153.5°E
Location: 730 km northwest of Young Island, Antarctica
Eclipse type: Partial Solar Eclipse
Searching for solar eclipse around September 21, 2025...
=== Eclipse Event #1 ===
Time of maximum eclipse: 2025-09-21 19:42:00 UTC
Sun-Moon separation: 0.9777 degrees
Estimated eclipse magnitude: 0.0000
Approximate location of maximum: Southwest Pacific Ocean
Coordinates: ~61°S, 154°E (Northwest of Young Island, Antarctica)
--- Visibility Analysis ---
Auckland, New Zealand:
Sun altitude: 17.2°
Eclipse magnitude: 0.305
Visible - eclipse above horizon
Wellington, New Zealand:
Sun altitude: 16.1°
Eclipse magnitude: 0.435
Visible - eclipse above horizon
Sydney, Australia:
Sun altitude: -1.5°
Eclipse magnitude: 0.156
Not visible - Sun below horizon
McMurdo Station, Antarctica:
Sun altitude: 2.5°
Eclipse magnitude: 0.457
Visible - eclipse above horizon
Beijing, China:
Sun altitude: -26.8°
Eclipse magnitude: 0.000
Not visible - Sun below horizon
New York, USA:
Sun altitude: 33.8°
Eclipse magnitude: 0.000
Sun above horizon, but no significant eclipse
Windhoek, Namibia:
Sun altitude: -40.4°
Eclipse magnitude: 0.000
Not visible - Sun below horizon
London, UK:
Sun altitude: -16.2°
Eclipse magnitude: 0.000
Not visible - Sun below horizon
==================================================
SIMPLE ECLIPSE CALCULATION
==================================================
Time (UTC) | Separation | Magnitude
----------------------------------------
19:30:00 | 0.9823° | 0.000
19:43:00 | 0.9777° | 0.000
20:00:00 | 0.9880° | 0.000
20:30:00 | 1.0492° | 0.000
21:00:00 | 1.1569° | 0.000
============================================================
DETAILED ECLIPSE INFORMATION - September 21, 2025
============================================================
Maximum eclipse time: 2025-09-21 19:43:00 UTC
Eclipse magnitude: 0.8551 (85.51% of Sun obscured)
Geographic coordinates: 60.9°S, 153.5°E
Location: 730 km northwest of Young Island, Antarctica
Eclipse type: Partial Solar Eclipse






