TOTAL LUNAR ECLIPSE OF JANUARY 21 2019

Helio C. Vital

Exhibiting an apparent diameter larger than in most eclipses, the Moon will cross the northern hemisphere of Earth`s umbral shadow during a relatively shallow and colorful eclipse.

Well positioned in American skies, it will encourage observers to estimate its brightness, either to be expressed in visual magnitudes (m~-2.6) or Danjon Numbers (L~3.0),

and also to time crater contacts as it crosses Earth`s shadow, so that we can calculate the fraction contributed by the atmosphere to Earth`s umbra.

An stratosphere relatively free of volcanic aerosols will conspire to provide us with a beautiful eclipse, including the bluish ozone fringe that often heralds the onset of totality.

Times for the major eclipse phases are listed below.

ECLIPSE PHASE

TIME (UTC)

Penumbral Eclipse Begins:

02:36:14

Partial Eclipse Begins:

03:33:39

Total Eclipse Begins:

04:41:09

Greatest Eclipse:

05:12:20

Total Eclipse Ends:

05:43:31

Partial Eclipse Ends:

06:50:59

Penumbral Eclipse Ends:

07:48:23

 

 

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CONTACT TIMES FOR THE JANUARY 21 2019 TOTAL LUNAR ECLIPSE

Contact          UTC      Contact Angle (°)

P1               2:36:14        20.28

U1               3:33:39       27.80

Riccioli         3:35:41       32.24

Grimaldi     3:36:22      31.34

Billy             3:40:30       28.62

Kepler          3:48:37      37.77

Campanus    3:48:44      24.46

Aristarchus   3:50:44      44.11

Tycho            3:55:39      20.52

Copernicus    3:57:12      39.25

Birt                 3:57:24      27.14

Pytheas          4: 0:24       43.85

Timocharis    4: 6:11      46.89

Nicolai           4: 9:07      22.05

Abulfeda        4: 9:29      31.38

Bullialdus        4:12:01      29.14

Manilius          4:13:25      42.84

Dionysius         4:14:42      38.29

Pico                  4:15:29      54.99

Menelaus         4:17:20      43.99

Plato                   4:17:37      57.15

Stevinus            4:20:21      26.03

Plinius                  4:20:50      44.02

Censorinus       4:21:14      37.71

Goclenius           4:23:52      34.26

Eudoxus               4:24:46      55.63

Aristoteles           4:26:31      57.85

Posidonius          4:27:20      51.31

Taruntius             4:28:12      40.87

Langrenus         4:29:04      35.23

Proclus                4:30:36      45.41

Mare Crisium           4:34:33      46.26

U2                     4:41:09      57.55

U3                     5:43:31      43.73

Aristarchus               5:54:21      30.40

Riccioli                       5:55:51      18.56

Plato                           5:56:45      43.38

Grimaldi                     5:57:39      17.66

Pico                           5:59:06      41.23

Kepler                       6:02:04      24.06

Aristoteles                6:04:09      44.08

Pytheas                     6:04:37      30.13

Billy                           6:04:55      14.93

Timocharis                6:05:14      33.16

Eudoxus                    6:07:03      41.86

Copernicus               6:08:37      25.53

Campanus                 6:17:09      10.75

Posidonius                6:18:10      37.55

Manilius                   6:19:19      29.11

Menelaus                 6:21:21      30.26

Birt                           6:23:31      13.44

Plinius                     6:24:46      30.28

Tycho                     6:26:56       6.80

Dionysius                6:27:31      24.57

Abulfeda                 6:31:12      17.66

Proclus                    6:32:02      31.67

Mare Crisium          6:34:25      32.51

Censorinus              6:34:48      23.98

Bullialdus               6:36:07      15.43

Taruntius                6:37:00      27.13

Nicolai                   6:39:21       8.33

Goclenius                6:41:55      20.53

Langrenus              6:45:42      21.51

Stevinus                  6:47:11      12.31

U4                          6:50:59      14.03

P4                             7:48:23        6.51

Please send us your reports and good luck on your observations!

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