Of Titles

...of Taurus, the distances of the satellites of Jupiter from each other, and of some of the wandering stars original: "Vagarum," referring to the planets from the fixed stars and vice versa, 83

1621. The distance of Mars from Libra, an eclipse of the Sun and Moon (where the method of observation is also explained), the Northern Lights original: "Aurora Borealis", etc. 88

1622. The distance of Venus from Mars, Pegasus, Andromeda, etc. 91

1623. Solar halos, an eclipse of the Moon, the distance of Mars from Sagittarius, etc. 92

1624. The altitude of the Pole at Vizille, and the noon altitude of the Sun at Grenoble, the distance of Mars from Orion and Taurus, and of Jupiter and Saturn from Leo, etc. 97

1625. The contact of the Moon and Venus, an eclipse of the Moon, the solstice altitude at Grenoble, the distance of Mars from Pegasus, etc. ibid. ibid. indicates the same page number as the previous entry

1626. Sunspots (where the method of observation is also presented), etc. 99

1627. The distance of Jupiter from Scorpio, the occultation of the Heart of the Lion original: "Cordis Leonis," the star Regulus by the Moon, and also of the star in the Jaw of Sagittarius, etc. 100

1628. A lunar eclipse, etc. 101

1629. Six-sided snow original: "Nix sexangula." This refers to Gassendi's study of the hexagonal symmetry of snowflakes, etc. 102

1630. A solar eclipse, the occultation of Saturn by the Moon as well as the left shoulder of Sagittarius, and the passage of the Moon itself near the star of Ophiuchus, etc. 103

1631. Mercury seen in the Sun This was the first ever observed transit of Mercury across the solar disk, which Gassendi performed on November 7, 1631 and Venus unseen, an eclipse of the Moon, Mars near Leo, etc. 104

1632. The occultation of Mars by the Moon, the conjunction of Venus and Mercury, an eclipse of the Moon, the altitude of the Pole at Digne, various noon altitudes of the Sun, etc. ibid.

1633. Various distances of Mercury from Venus and others, the occultation of the Tail of Aries by the Moon, sunspots, an eclipse of the Sun, the shape of Venus and Saturn, and the distances of the satellites of Jupiter from each other, etc. 110

1634. The distances of Mercury from Aquila, etc. Of Propus a star in the constellation Gemini from Jupiter and of its satellites from each other, the approach of the Moon to the Pleiades, an eclipse of the Moon, the occultation of the left wing of Virgo by Mars, and of the southern of the three stars in the brow of Scorpio by the Moon, sunspots, etc. 166

1635. The distances of the satellites of Jupiter from each other, and of Saturn from Scorpio, etc. Sunspots, lunar eclipses, the latter of which was observed in various locations, solar halos, the appearance of sun dogs original: "Parheliorum", the approach of the Moon to the third star in the brow of Scorpio and to the second in the tail of Capricorn, and of the Moon itself to Jupiter, etc. 243

1636. Again, various distances of Mercury from Scorpio, etc. and also of Mars and Jupiter, etc. A lunar eclipse, the solstice altitude at Marseille, the diameter of the Sun and Moon, the appearance of sun dogs, the shape of Venus and Saturn, etc. 297

1637. The distances of Venus from Scorpio, etc. and of the satellites of Jupiter from each other, the noon altitude of the Sun, the occultation of the Quadrilateral of the Pleiades by the Moon, and the approach of the Moon to the star near the Heart of Scorpio the star Antares, etc. Sketches of the Moon by Mellan Claude Mellan was a famous artist and engraver who produced highly accurate lunar maps for Gassendi over several days, and also for the month until the death of Peiresc Nicolas-Claude Fabri de Peiresc, Gassendi's patron and a major figure in the 17th-century Republic of Letters, etc. 370

1638. The distance of Jupiter from Mars, etc. The occultation of the Pleiades by the Moon, etc. The conjunction of Mercury with the Sun, the shape of Saturn, sunspots, an eclipse of the Moon, etc. 402

1639. The distances of Mercury from Mars, etc. The occultation of Propus by the Moon, and the approach of the Moon to the star of the two in the left foot of Gemini, a solar eclipse, etc. 425

1640. The distance of Mercury from Aquila, the observed variation of the magnet the magnetic declination or the difference between true north and magnetic north, etc. 437

1641. A lunar eclipse, etc. The distance of Venus from Regulus, etc. 437

1642. A lunar eclipse, the almost spherical shape of Saturn and the distances of the satellites of Jupiter from each other, etc. 438

1643. The changed shape of Saturn Before the identification of Saturn's rings, astronomers observed the planet's shape changing as the rings changed their orientation relative to Earth, a lunar eclipse, the distances of the satellites of Jupiter from each other, etc. 443

1644. The shape of Saturn, or its distance from the Bright Star of Aries the star Hamal, etc. The distances of the satellites of Jupiter from each other, etc. 449

1645. The shape of Saturn, an eclipse of the Sun and Moon, the distances of the satellites of Jupiter from each other, etc. 450

1646. A lunar eclipse, the shape of Venus and Saturn, and their distances from several fixed stars, etc. 456

1647. A lunar eclipse, the occultation of Jupiter by the Moon, etc. 460

1648. A lunar eclipse, the shape of Saturn, the observed variation of the magnet, etc. 463