Sky Events 2020

June

June 1: The Hercules globular cluster M13 will be well placed for observation.

June 2: Mercury reaches its highest point in the early evening sky

             The Moon at perigee

June 3: Venus at superior solar conjunction

            The globular cluster M12 in Ophiuchus will be well placed for observation. 

June 4: Mercury at its greatest eastern elongation

June 5: Full Moon

             The globular cluster M10 in Ophiuchus will be well placed for observation. 

June 6: The globular cluster M62 in Ophiuchus will be well placed for observation. 

June 8: Conjunction of the Moon, Jupiter, and Saturn, with a maximum angular separation of 2°40′ between all three.

June 10: The Daytime Arietid meteor shower reaches its peak rate of about 13 meteors per hour.

               The globular cluster M92 in Hercules will be well placed for observation.

June 12: Conjunction of the Moon, Mars, and Neptune, with a maximum angular separation of 2°44′ between all three.

June 13: Third Quarter Moon

June 14: The Moon at apogee

June 18: The open star cluster IC 4665 in Ophiuchus will be well placed for observation. I

June 20: Summer Solstice

June 21: New Moon

June 22: The open star cluster NGC 6530, close to the lagoon nebula (M8) in Sagittarius will be well placed for observation.

June 25: Conjunction of Jupiter and Pluto, with an angular separation of 0°41′ 

June 27: The June Bootid meteor shower reaches its peak activity.

June 28: First Quarter Moon

               The open star cluster NGC 6633 in Ophiuchus will be well placed for observation. 

               Asteroid 7 Iris will be well placed for observation, lying in the constellation Sagittarius.

June 29: The Moon at perigee

June 30: The globular cluster M22 in Sagittarius will be well placed for observation. 

July

July 1: The open star cluster IC 4756 in Serpens will be well-placed for observation.

July 3: Asteroid 532 Herculina will be well placed, lying in the constellation Sagittarius, well above the horizon for much of the night.

July 4: The Earth at aphelion

July 4-5: Penumbral lunar eclipse

July 5: Full Moon

            Conjunction of the Moon and Jupiter, with an angular separation of 1°51′

July 6: Conjunction of the Moon and Saturn, with an angular separation of 2°29′

July 8: Venus at its greatest brightness

July 11: Conjunction of the Moon and Mars, with an angular separation of 1°57′ 

July 12: Third Quarter Moon

July 14: Jupiter at opposition

July 15: Both Pluto (in the constellation Sagittarius) and asteroid 2 Pallas (in the constellation Sagitta) will be in opposition.

July 17: Conjunction of the Moon and Venus, with an angular separation of 3°03′

July 18: Conjunction of the Moon and Mercury, with an angular separation of 3°53′

July 20: New Moon

              Saturn at opposition

July 22: Mercury at greatest western elongation

July 27: First Quarter Moon

July 28: The Piscis Austrinid meteor shower reaches its peak activity of 5 meteors per hour.

July 29: The Southern δ-Aquariid meteor shower reaches its peak activity of 25 meteors per hour.

              The α-Capricornid meteor shower reaches its peak activity of 5 meteors per hour.