An annular eclipse of the Sun occurred on Thursday 4 May, 1780 UT (23 Apr, 1780 Old Style), with maximum eclipse at 13:00 UT. A large annular eclipse covered 99% of the Sun, creating a dramatic spectacle for observers in a path up to 81 km wide; it lasted 1 minute and 21 seconds at the point of maximum eclipse.

The annular eclipse lasted for 1 minute and 21 seconds. Maximum eclipse was at 13:00:25 UT.

Overview Map

This map sourced from NASA Goddard Space flight Center: GSFC Eclipse Web SiteGSFC Eclipse Web Site
The primary source of all the information on eclipses presented here at Hermit Eclipse. (NASA Goddard Space flight Center)
https://eclipse.gsfc.nasa.gov/eclipse.html
shows the visibility of the annular solar eclipse. It also shows the broader area in which a partial eclipse was seen. (Click on it for the full-sized version.)

Eclipse Season and Saros Series

This eclipse season contains 2 eclipses:

This was the 63rd eclipse in solar Saros series 115.The surrounding eclipses in this Saros series are:

This Saros series, solar Saros series 115, is linked to lunar Saros series 108. The nearest partner eclipses in that series are:

Eclipse Parameters

UT Date/time (max) 13:00:25 on 4 May UT TDT Date/time (max) 13:00:42 on 4 May TDT
Saros Series 115 Number in Series 63
Penumbral Magnitiude Central Magnitiude 0.9861
Gamma -0.8043 Path Width (km) 81
Delta T 0m17s Error ± 0m03s (95%)
Penumbral Duration Partial Duration
Total Duration 1m21s
Partial Rating Total Rating

Note that while all dates and times on this site (except where noted) are in UT, which is within a second of civil time, the dates and times shown in NASA's eclipse listingsGSFC Eclipse Web Site
The primary source of all the information on eclipses presented here at Hermit Eclipse. (NASA Goddard Space flight Center)
https://eclipse.gsfc.nasa.gov/eclipse.html
are in the TDT timescale.

Data last updated: 2015-06-21 22:11:46 UTC.