# The Apparent Times of the Immersions and Emersions of the Four Satellites of Jupiter, for the Year 1740. Computed to the Meridian of the Royal Observatory at Greenwich, by James Hodgson, F. R. S. Master of the Royal Mathematical School in Christ's Hospital, London. In All 374

**Author(s):** James Hodgson  
**Year:** 1737  
**Journal:** Philosophical Transactions (1683-1775)  
**Volume:** 40  
**Pages:** 9 pages  
**Identifier:** jstor-103929  
**JSTOR URL:** <https://www.jstor.org/stable/103929>  

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IX. The apparent Times of the Immersions and Emerisions of the four Satellites of Jupiter, for the Year 1740. computed to the Meridian of the Royal Observatory at Greenwich, by James Hodgson, F. R. S. Master of the Royal Mathematical School in Christ's Hospital, London. In all 374.

Eclipses of the first Satellite of Jupiter.

| D. H. M. S. | D. H. M. S. | D. H. M. S. |
|-------------|-------------|-------------|
| JANUARY     | FEBRUARY    | MARCH       |
| Emerisions  | Emerisions  | Emerisions  |
| 1 22 10 13  | 1 0 15 7   | 2 2 30 48  |
| 3 16 38 24  | 2 18 44 2   | 3 21 0 9   |
| 5 11 6 35   | 4 12 12 59  | 5 15 29 32 |
| 7 5 34 49   | 6 7 41 59   | 7 9 58 53  |
| 9 0 3 7     | 8 2 11 0    | 9 4 28 15  |
| 10 18 31 30 | 9 20 40 2   | 10 22 57 39|
| 12 12 59 53 | 11 15 9 8   | 12 17 27 1 |
| 14 7 28 18  | 13 9 38 16  | 14 11 56 26|
| 16 1 56 45  | 15 4 7 25   | 16 6 25 49 |
| 17 20 25 15 | 16 22 36 35 | 18 0 55 11 |
| 19 14 53 49 | 18 17 5 47  | 19 19 24 35|
| 21 9 22 28  | 20 11 35 1  | 21 13 53 57|
| 23 3 51 8   | 22 6 4 15   | 23 8 23 18 |
| 24 22 19 50 | 24 0 33 31  | 25 2 52 37 |
| 26 16 48 38 | 25 19 2 49  | 26 21 21 58 |
| 28 11 17 27 | 27 13 32 9  | 28 15 51 16|
| 30 5 46 16  | 29 8 1 28   | 30 10 20 36|

APRIL
Eclipses of the first Satellite of Jupiter.

| D. H. M. S. | D. H. M. S. | D. H. M. S. |
|-------------|-------------|-------------|
| **APIAL.**  |             |             |
| Emerisions. |             |             |
| 1 4 49 51   | 10 3 26 53  |             |
| 2 23 19 7   | 11 21 55 29 |             |
| 4 17 48 21  |             |             |
| 6 12 17 33  |             |             |
| 8 6 46 43   |             |             |
| 10 1 15 56  |             |             |
| 11 19 45 4  |             |             |
| 13 14 14 11 |             |             |
| 15 8 43 15  |             |             |
| 17 3 12 19  |             |             |
| 18 21 41 9  |             |             |
| 20 16 10 19 |             |             |
| 22 10 39 15 |             |             |
| 24 5 8 10   |             |             |
| 25 23 37 4  |             |             |
| 27 18 5 54  |             |             |
| 29 12 34 44 |             |             |
| **JUNE.**   |             |             |
| Emerisions. |             |             |
| 2 3 25 24   |             |             |
| 3 21 53 44  |             |             |
| 5 16 22 4   |             |             |
| 7 10 50 26  |             |             |
| 9 5 18 49   |             |             |
| 10 23 47 14 |             |             |
| 12 18 15 40 |             |             |
| 14 12 44 7  |             |             |
| 16 7 12 38  |             |             |
| 18 1 41 10  |             |             |
| **MAY.**    |             |             |
| Emerisions. |             |             |
| 19 20 9 44  |             |             |
| 21 14 38 20 |             |             |
| 23 9 6 54   |             |             |
| 25 3 35 32  |             |             |
| 26 22 4 12   |             |             |
| 28 16 32 53  |             |             |
| 30 11 1 37   |             |             |
| **AUGUST.** |             |             |
| Immersions. |             |             |
| 1 5 30 21   |             |             |
| 2 23 59 9   |             |             |
| 4 18 27 59  |             |             |
| 6 12 56 49  |             |             |
| 8 7 25 39   |             |             |
| 10 1 54 32  |             |             |
| 11 20 23 26 |             |             |
| 13 14 52 21 |             |             |
| 15 9 21 18  |             |             |
| 17 3 50 16  |             |             |
| 18 22 19 14 |             |             |
| 20 16 48 13 |             |             |
| 22 11 17 13 |             |             |
| 24 5 46 14  |             |             |
| 26 0 15 16  |             |             |
| 27 18 44 17 |             |             |
| 29 13 13 21 |             |             |
| 31 7 42 26  |             |             |
| **SEPTEMBER.** |             |             |
| Immersions. |             |             |
| 19 20 9 44  |             |             |
| 21 14 38 20 |             |             |
| 23 9 6 54   |             |             |
| 25 3 35 32  |             |             |
| 26 22 4 12   |             |             |
| 28 16 32 53  |             |             |
| 30 11 1 37   |             |             |
| **Uu**      |             |             |
ECLIPSES of the first Satellite of JUPITER.

| D. | H. | M. | S. | D. | H. | M. | S. | D. | H. | M. | S. |
|----|----|----|----|----|----|----|----|----|----|----|----|
| 9  | 4  | 7  | 41 | 19 | 21 | 10 | 48 | 29 | 13 | 55 | 56 |
| 10 | 22 | 36 | 45 | 21 | 15 | 39 | 15 |    |    |    |    |
| 12 | 17 | 5  | 48 | 23 | 10 | 7  | 38 |    |    |    |    |
| 14 | 11 | 34 | 51 | 25 | 4  | 36 | 2  |    |    |    |    |
| 16 | 6  | 3  | 51 | 26 | 23 | 4  | 23 |    |    |    |    |
| 18 | 0  | 32 | 50 | 28 | 17 | 32 | 41 |    |    |    |    |
| 19 | 19 | 1  | 50 | 30 | 12 | 0  | 57 |    |    |    |    |
| 21 | 13 | 30 | 48 |    |    |    |    |    |    |    |    |
| 23 | 7  | 59 | 45 |    |    |    |    |    |    |    |    |
| 25 | 2  | 28 | 41 |    |    |    |    |    |    |    |    |
| 26 | 20 | 57 | 34 |    |    |    |    |    |    |    |    |
| 28 | 15 | 26 | 28 |    |    |    |    |    |    |    |    |
| 30 | 9  | 55 | 20 |    |    |    |    |    |    |    |    |

DECEMBER.

Immersions.

| D. | H. | M. | S. | D. | H. | M. | S. | D. | H. | M. | S. |
|----|----|----|----|----|----|----|----|----|----|----|----|
| 1  | 8  | 23 | 40 | 3  | 2  | 51 | 19 | 4  | 21 | 19 | 1  |
| 6  | 15 | 46 | 44 | 8  | 10 | 14 | 23 | 10 | 4  | 42 | 3  |
| 11 | 23 | 9  | 44 | 13 | 17 | 37 | 30 | 15 | 12 | 5  | 14 |

NOVEMBER.

Immersions.

| D. | H. | M. | S. | D. | H. | M. | S. | D. | H. | M. | S. |
|----|----|----|----|----|----|----|----|----|----|----|----|
| 1  | 6  | 29 | 19 | 3  | 0  | 57 | 16 | 4  | 19 | 25 | 28 |
| 6  | 13 | 53 | 33 | 8  | 8  | 21 | 35 | 10 | 2  | 49 | 38 |
| 2  | 4  | 24 | 10 | 11 | 21 | 17 | 39 | 17 | 8  | 47 | 8  |
| 3  | 22 | 52 | 57 | 13 | 15 | 15 | 35 | 19 | 3  | 14 | 54 |
| 5  | 17 | 21 | 44 | 15 | 10 | 13 | 29 | 20 | 21 | 42 | 42 |
| 7  | 11 | 50 | 29 | 17 | 4  | 41 | 22 | 22 | 16 | 10 | 31 |
| 9  | 6  | 19 | 13 | 18 | 23 | 9  | 14 | 24 | 10 | 38 | 20 |
| 11 | 0  | 47 | 54 | 20 | 17 | 37 | 5  | 26 | 5  | 6  | 10 |
| 12 | 19 | 16 | 34 | 22 | 12 | 4  | 53 | 27 | 23 | 34 | 7  |
| 14 | 13 | 45 | 9  | 24 | 6  | 32 | 41 | 29 | 18 | 2  | 5  |
| 16 | 8  | 13 | 45 | 26 | 1  | 0  | 27 | 31 | 12 | 30 | 4  |
| 18 | 2  | 42 | 18 | 27 | 19 | 28 | 12 |    |    |    |    |

October.

Immersions.

| D. | H. | M. | S. | D. | H. | M. | S. | D. | H. | M. | S. |
|----|----|----|----|----|----|----|----|----|----|----|----|
| 2  | 4  | 24 | 10 | 11 | 21 | 17 | 39 | 17 | 8  | 47 | 8  |
| 3  | 22 | 52 | 57 | 13 | 15 | 15 | 35 | 19 | 3  | 14 | 54 |
| 5  | 17 | 21 | 44 | 15 | 10 | 13 | 29 | 20 | 21 | 42 | 42 |
| 7  | 11 | 50 | 29 | 17 | 4  | 41 | 22 | 22 | 16 | 10 | 31 |
| 9  | 6  | 19 | 13 | 18 | 23 | 9  | 14 | 24 | 10 | 38 | 20 |
| 11 | 0  | 47 | 54 | 20 | 17 | 37 | 5  | 26 | 5  | 6  | 10 |
| 12 | 19 | 16 | 34 | 22 | 12 | 4  | 53 | 27 | 23 | 34 | 7  |
| 14 | 13 | 45 | 9  | 24 | 6  | 32 | 41 | 29 | 18 | 2  | 5  |
| 16 | 8  | 13 | 45 | 26 | 1  | 0  | 27 | 31 | 12 | 30 | 4  |
| 18 | 2  | 42 | 18 | 27 | 19 | 28 | 12 |    |    |    |    |

Emergences.

| D. | H. | M. | S. | D. | H. | M. | S. | D. | H. | M. | S. |
|----|----|----|----|----|----|----|----|----|----|----|----|
| 17 | 8  | 47 | 8  | 19 | 3  | 14 | 54 | 20 | 21 | 42 | 42 |
| 22 | 22 | 16 | 10 | 31 | 24 | 10 | 38 | 20 | 26 | 5  | 6  | 10 |
| 27 | 23 | 34 | 7  | 29 | 18 | 2  | 5  | 31 | 12 | 30 | 4  |

ECLIPSES
Eclipses of the second Satellite of Jupiter.

| D. H. M. S. | D. H. M. S. | D. H. M. S. |
|------------|------------|------------|
| **January** | **March**  | **May**    |
| Emerisions | Emerisions | Emerisions |
| 3 17 33 10 | 4 3 49 15 | 3 14 15 19 |
| 7 6 50 27 | 7 17 8 50 | 7 3 33 31 |
| 10 19 7 57 | 11 6 28 25 | 10 16 51 36 |
| 14 8 25 35 | 14 19 48 2 | June       |
| 17 22 43 21 | 18 9 7 40 | Immersions |
| 21 12 1 25 | 21 22 27 15 | 25 18 57 5 |
| 25 1 19 37 | 25 11 46 46 | 29 8 14 22 |
| 28 14 38 3 | 29 1 6 16 | **April**  |
| **February** | **July**   |            |
| Emerisions | Emerisions | Immersions |
| 1 3 56 35 | 1 14 25 41 | 2 21 31 46 |
| 4 17 15 18 | 5 3 45 37 | 6 10 49 15 |
| 8 6 34 9 | 8 17 4 10 | 10 0 6 48 |
| 11 19 53 8 | 12 6 23 19 | 13 13 24 27 |
| 15 9 12 16 | 15 19 42 18 | 17 3 42 15 |
| 18 22 31 30 | 19 9 1 6 | 20 16 0 9 |
| 22 11 10 50 | 22 22 19 55 | 24 5 18 6 |
| 26 1 10 14 | 26 11 38 33 | 27 18 36 12 |
| 29 14 29 43 | 30 0 57 1 | 31 7 54 16 |

August
Eclipses of the second Satellite of Jupiter.

| D. | H. | M. | S. |
|----|----|----|----|
|    |    |    |    |

**August.**

|    |    |    |    |
|----|----|----|----|
| Immersions: |    |    |    |
| 3 | 21 | 12 | 44 |
| 7 | 10 | 31 | 8 |
| 10 | 23 | 49 | 37 |
| 14 | 13 | 8 | 10 |
| 18 | 2 | 26 | 48 |
| 21 | 15 | 45 | 30 |
| 25 | 5 | 4 | 15 |
| 28 | 18 | 23 | 2 |
|    |    |    |    |

**October.**

|    |    |    |    |
|----|----|----|----|
| Immersions: |    |    |    |
| 3 | 7 | 29 | 55 |
| 6 | 20 | 48 | 10 |
| 10 | 10 | 6 | 20 |
| 13 | 23 | 24 | 19 |
| 17 | 12 | 42 | 12 |
| 21 | 1 | 59 | 53 |
| 24 | 15 | 17 | 24 |
| 28 | 4 | 34 | 47 |
| 31 | 17 | 51 | 59 |
|    |    |    |    |

**September.**

|    |    |    |    |
|----|----|----|----|
| Immersions: |    |    |    |
| 1 | 7 | 41 | 53 |
| 4 | 21 | 0 | 45 |
| 8 | 10 | 19 | 36 |
| 11 | 23 | 38 | 25 |
| 15 | 12 | 57 | 11 |
| 19 | 2 | 16 | 4 |
|    |    |    |    |

**November.**

|    |    |    |    |
|----|----|----|----|
| Immersions: |    |    |    |
| 4 | 7 | 8 | 48 |
|    |    |    |    |

**December.**

|    |    |    |    |
|----|----|----|----|
| Immersions: |    |    |    |
| 2 | 17 | 20 | 29 |
| 6 | 6 | 36 | 29 |
| 9 | 19 | 52 | 52 |
| 13 | 9 | 8 | 38 |
|    |    |    |    |

**Emergences.**

|    |    |    |    |
|----|----|----|----|
| 17 | 1 | 12 | 3 |
| 20 | 14 | 28 | 24 |
| 24 | 34 | 44 | 44 |
| 27 | 17 | 1 | 11 |
| 31 | 5 | 17 | 57 |
|    |    |    |    |

Eclipses
Eclipses of the third Satellite of Jupiter.

| D. H. M. S. | D. H. M. S. | D. H. M. S. |
|-------------|-------------|-------------|
| **January** | **March**   | **May**     |
| Immersions: | Immersions: | Immersions: |
| 1 21 47 22 | 6 9 55 57   | 2 20 57 9   |
| 9 1 45 43  | 13 13 58 43 | 10 0 57 54  |
| 16 5 44 48 | 20 18 1 34  |             |
| 23 9 44 40 | 27 22 4 15  |             |
| 30 13 45 14|             |             |
| Emerisions: | Emerisions: | Emerisions: |
| 2 0 17 C   | 6 12 33 33  | 21 22 3 20  |
| 9 4 16 11  | 13 16 37 15 | 29 2 1 34   |
| 16 8 16 8  | 20 20 41 2  |             |
| 23 12 16 52| 28 0 44 39  |             |
| 30 16 18 20|             |             |
| **February** | **April**   | **July**    |
| Immersions: | Immersions: | Immersions: |
| 6 17 46 27 | 4 2 6 42    | 6 6 0 9     |
| 13 21 48 14| 11 6 8 46   | 13 9 59 3   |
| 21 1 50 29 |             | 20 13 58 28 |
| 28 5 53 7  |             | 27 17 58 15 |
| Emerisions: | Emerisions: | Emerisions: |
| 6 20 20 27 | 4 4 48 2    |             |
| 14 0 23 8  | 11 8 51 2   |             |
Eclipses of the third Satellite of Jupiter.

| D H M S | D H M S | D H M S |
|---------|---------|---------|
|         |         |         |
|         |         |         |
|         |         |         |
|         |         |         |

**Emersions**

| D H M S | D H M S | D H M S |
|---------|---------|---------|
| 20 16 53 32 | 1 17 3 18 | 19 9 56 20 |
| 27 20 54 15 | 8 21 5 31 | 26 13 52 32 |
|           |           |         |
| AUGUST    | OCTOBER   | DECEMBER |
|           |           |         |

**Immersions**

| D H M S | D H M S | D H M S |
|---------|---------|---------|
| 3 21 58 32 | 7 10 7 25 | 3 17 48 23 |
| 11 1 59 10 | 14 14 7 13 | 10 21 44 7 |
| 18 6 0 9 | 21 18 6 23 |         |
| 25 10 1 25 | 28 22 4 58 |         |
|           |           |         |

**Emersions**

| D H M S | D H M S | D H M S |
|---------|---------|---------|
| 4 0 55 28 | 7 13 12 15 | 18 4 52 54 |
| 11 4 57 2 | 14 17 12 53 | 25 8 49 52 |
| 18 8 58 57 | 21 21 12 53 |         |
| 25 13 1 7 | 29 1 12 18 |         |
|           |           |         |

**September**

**Immersions**

| D H M S | D H M S | D H M S |
|---------|---------|---------|
| 1 14 2 44 | 5 2 2 43 |         |
| 8 13 4 5 | 12 5 59 52 |         |
| 15 22 5 22 |         |         |
| 23 2 6 24 |         |         |
| 30 6 7 7 |         |         |

**November**

**Immersions**

| D H M S | D H M S | D H M S |
|---------|---------|---------|
|         |         |         |
|         |         |         |
|         |         |         |

**Eclipses**
Eclipses of the fourth Satellite.

| D. H. M. S. | D. H. M. S. | D. H. M. S. |
|------------|------------|------------|
| **June**   | **Emersions** | **November** |
| Immersions | 13 16 51 29 | Immersions |
| 24 8 42 42 | 30 10 13 46 | 5 9 5 25 |
| Emersions  |             | 22 3 2 6 |
| 24 10 15 0 |             | 5 12 4 45 |
| **July**   | **Immersions** | **December** |
| Immersions | 16 3 1 55 | Immersions |
| 11 2 51 17 |             | 8 20 54 40 |
| 27 20 45 32 |             | 25 14 48 37 |
| Emersions  |             | Emersions |
| 11 4 28 53 |             | 8 23 10 32 |
| 27 22 38 46 |             | 25 18 12 9 |
| **August** | **Immersions** |            |
| Immersions | 2 23 44 47 |            |
| 13 14 52 25 |             |            |
| 30 8 54 30 |             |            |

X. The