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討論區 => 天文新知 => 主題作者是: peter 於 2020-10-23 06:52:09



主題: 88P/Howell (2020)
作者: peter2020-10-23 06:52:09
https://www.universetoday.com/148350/tales-of-two-fall-comets-88p-howell-and-m3-atlas/

http://www.aerith.net/comet/catalog/0088P/2020.html

(http://www.aerith.net/comet/catalog/0088P/2020-mag.gif)

(https://www.universetoday.com/wp-content/uploads/2020/10/Howell-comet-768x386.jpg)

October

(Note: all passes are with one degree unless otherwise noted)

26-Passes 3 degrees from the globular cluster Messier 28.

31-Passes just 3 arcminutes from the +3.2 magnitude star Phi Sagittarii.

November

1-May top out at +8th magnitude

2-Passes near the +2.1 magnitude star Nunki (Sigma Sagittarii).

5-Passes near the +3.3 magnitude star Tau Sagittarii.

12- Passes near the +4.6 magnitude star 52 Sagittarii.

13- Passes within 4 degrees of Jupiter.

18- Passes within 4 degrees of Saturn.

22-Crosses into the astronomical constellation of Capricornus the Sea Goat.

December

19-Passes near the magnitude +3.7 star Nashira (Gamma Capricorni).

21-Passes near the +2.8 magnitude star Deneb Algiedi (Delta Capricorni).

26- Crosses into the astronomical constellation of Aquarius the water-bearer.

28- Passes near the +4.3 magnitude star Iota Aquarii.

January 2021

1-May drop back down below +10th magnitude.