Sky Events 2021

April 2021

April 2: The Sombrero Galaxy (M104) is well-placed for observation.

April 4: Third Quarter Moon

April 5: M94 is well-placed for observation.

April 6: Conjunction of the Moon and Saturn just before dawn, with an angular separation of 3°57′

April 7: Conjunction of the Moon and Jupiter just before dawn, with an angular separation of 4°23′

April 11: New Moon

April 15: The Whirlpool Galaxy (M51) is well-placed for observation.

April 17: Conjunction of the Moon and Mars, with an angular separation of only 0°07′.

April 18: Globular cluster M3 is well-placed for observation

April 20: First Quarter Moon

April 22: Lyrid meteor shower reaches peak activity.

April 23: The Pinwheel Galaxy (M101) is well-placed for observation.

April 26: Full Moon

 

Planets in April

Mercury will become visible mid-month after sunset in the western sky.  It is near Venus the last week of the April

Venus re-emerges in the western sky starting around the 7th low at sunset.  Look for it on the 12th when it is joined by a young crescent Moon.

Mars visible in the southwest at sunset and continues to dim.

Jupiter and Saturn are low morning planets rising 70 minutes before sunrise. On the 6th the waning crescent Moon will pass by Saturn, and on the 7th by Jupiter.

May 2021

May 3: Third Quarter Moon

May 3: Conjunction of the Moon and Saturn, with a separation of 4°09

May 4: Conjunction of the Moon and Jupiter, with a separation of 4°36′

May 11: New Moon

May 11: Globular cluster M5 in Serpens is well-placed for observation.

May 12: Conjunction of the Moon and Venus, with a separation of only 0°42′

May 13: Conjunction of the Moon and Mercury, with a separation of 2°08′

May 16: Conjunction of the Moon and Mars, with a separation of 1°28′ 

May 17: Mercury at greatest eastern elongation

May 19: First Quarter Moon

May 23: Saturn enters retrograde motion

May 26: Full Moon

May 28: Globular cluster M4 in Scorpius is well-placed for observation

May 29: Conjunction of Mercury and Venus, with an angular separation of only 0°25′

May 30: Conjunction of the Moon and Saturn, with a separation of 4°10′

 

Planets in May: 

Mercury Well positioned evening planet, setting 90 minutes after sunset on 1 May. Near the Pleiades on 3 May.

Venus Evening planet, near a thin waxing crescent Moon on 12 May. Very close to Mercury on 28 May.

Mars is getting low in the western sky at sunset, look for it with the Moon on the15th.

Jupiter  lies close to the Moon on the morning of 5th.  It is now rising around 2:30am in the eastern sky.

Saturn is in Capricornus this month.  The Moon pays it a visit on the mornings of 3rd, 4th, and 31st of the month.