Comet Chasing in November

Comet chasing is the visual observation of telescopic comets.  Jump to:  Observing synopses    Summary data

News

There is one bincular comet, and five comets visible in small telescopes in November. Many more are visible in larger instruments.

  • C/2021 A1 (Leonard) was discovered on January 3 by by G. J. Leonard at Mount Lemmon Observatory. It will reach perihelion on January 3, 2022. It may become visible to the naked eye in mid December 2021. It is currently very faint and not visualy observable. 

  • 67P/Churyumov-Gerasimenko will next reach perihelion in early November. On November 2 this comet will pass within 0.4 AU of the earth when It is currently predicted to reach maximum brightness of magnitude 10.3. 

  • C/2019 L3 (ATLAS) will reach perihelion on 2022 January 9, when it may be magnitude 11.

  • 19P/Borrelly will reach perihelion in early February 2022. It is currently predicted to reach maximum brightness of magnitude 9 in late January.

  • 29P/Schwassmann-Wachmann had a very large outburst on September 25, brightening by over 3 magnitudes. As of October 1, it is visible in small telescopes, but it won't stay that way for long. This comet has frequent outbursts, typically resulting in a brightening of 0.5 - 1.0 magnitudes, which occur roughly every 59 days, typically taking 5-10 days to subside. Up to three subsequent outbursts may occur 5-10 days afterward, each typically smaller than the last, although on some occasions they can be even brighter than the first. These outbursts make 29P one of the most interesting comets to follow, both visually and scientifically. 29P/Schwassmann-Wachmann has a 14.8-year orbital period, and last passed perihelion in early March 2019. It varies in its distance from the Sun from 5.8 AU (at perihelion) to 6.3 AU (at aphelion), which is an unusually small variation for a comet, and remains quite far from the sun at all times. This means that it can be observed more or less continuously.

  • P/2021 Q5 (ATLAS) is a new discovery on August 29 by the ATLAS survey. This comet will passed perhileion on August 30.  

  • C/2021 O1 (Nishimura) is a new discovery on July 21 by H. Nishimura. It was found very low in morning twilight. It was low in the sky throughout August, reaching magnitude 9 on August 12 (at perihelion of 0.8 AU), but was difficult to observe. By the time it is observable again after the beginning of the year it will lilkely have faded. 

  • C/2014 UN271 (Bernardinelli-Bernstein) is an interesting Oort cloud comet that was recently reported as a result of the Dark Energy Survey. Soon after it was made public, images showed a cometary coma. Discovery credit goes to Pedro Bernardinelli and Gary Bernstein. This is a remarkable comet that was at 29 AU in 2014, with a perihelion of 10.9 AU in 2031. Its orbit extends out to 40,000 AU! It is unusually bright for its distance, so it is either intrinsically bright or unusually large for a comet. Because of its distant perihelion, this comet is not expected to become bright enough to be visually observed except in large instruments, and not until the end of the decade, but it is likely going to be the subject of intense scientific scrutiny. 

  • 4P/Faye passed perihelion in early September. It is currentlly predicted to reach maximum brightness in mid October.

  • 15P/Finlay passed perihelion on July 13. 

  • 2020 T2 (Palomar) passed perihelion in mid July.  

  • 2020 J1 (SONEAR) passed perihelion in mid April.

  • C/2017 K2 (PANSTARRS) will reach perihelion in mid December 2022. It is predicted to reach maximum brightness of magnitude 6.5 in mid January 2023.

  • 6P/d'Arrest passed perihelion in mid September. 

  • 7P/Pons-Winnecke passed perihelion in late May. On May 27 this comet passed within 0.4 AU of the earth. It is currently predicted to reach maximum brightness of magnitude 11.2 in early June.

  • C/2020 R4 (Atlas) passed perihelion in early March. On March 1, this comet passed within 0.5 AU of the earth. This comet had an outburst in late April, brightening by as much as a magnitude. 

  • C/2021 A2 (NEOWISE) passed perihelion in late January. In early February this comet will pass within 0.5 AU of the earth. It is currently predicted to reach a maximum brightness of magnitude 11 in early February.

  • C/2021 A4 (NEOWISE) passed perihelion in mid-March.

  • 10P/Tempel passed perihelion in late March.

  • P/2016 J3 (STEREO) passed perihelion on January 25, when it passed within 0.5 AU of the earth. This comet unexpectedly returned early, based on the orbit that was calculated for it in 2016.

  • 246P/NEAT passed perihelion in late February 2021. It is currently predicted to reach maximum brightness of magnitude 14.7 in late June.

Comets that have apparently disentegrated: C/2020 Q1 (Borisov), C/2020 P1 (NEOWISE), and C/2019 Y4 (ATLAS). Beware that various other online sources often fail to keep track of whether or not a comet still exists!

Comet Visibility in the Eyepiece

This page uses code developed for SkyTools to predict the visibility of a comet in the eyepiece.  Predicting how much aperture is required to see a comet is a very complex task.  Have a look for yourself: a comparison of the predictions below (such as "visible in small telescopes") to the magnitude of each comet shows just how poor an indicator the magnitude alone really is. When you read below that a particular aperture is required to see a comet you can have a reasonable degree of confidence that the comet can in fact be seen in the eyepiece. But always remember, comets are like cats. They both have tails and do what they want, and not always what we expect. This is one of the things that makes comet chasing interesting!

Observing Synopses for November

Explanation of Comet Synopses and charts (read this if you have questions)

C/2021 A1 (Leonard): A northern hemisphere morning comet visible in binoculars
This comet begins the month in Ursa Major at magnitude 10.2. Look for a 15.5' coma. It should brighten rapidly, moving into Coma Berenices by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible High at ~05:00 High at ~05:10 High during morning twilight at ~05:40 High in moonlight at ~05:30 1-
40o N Not visible High at ~05:00 High at ~05:00 High during morning twilight at ~05:20 High in moonlight at ~05:10 1-
Equator Not visible Not visible Fairly high in the eastern sky during morning twilight at ~04:30 Fairly high in the eastern sky during morning twilight at ~04:40 Fairly high in the eastern sky during morning twilight at ~04:40 1-
30o S Not visible Not visible Not visible Not visible Not visible  

67P/Churyumov-Gerasimenko: A morning comet visible in small telescopes
This comet begins the month in Gemini at magnitude 9.4. Look for a 5' coma. It should fade slowly, moving into Cancer by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N High in moonlight at ~04:30 High at ~04:30 High at ~04:30 High during morning twilight at ~05:50 High in moonlight at ~03:50 1-
40o N High in moonlight at ~04:30 High at ~04:40 High at ~04:30 High during morning twilight at ~05:30 High in moonlight at ~03:50 1-
Equator High in moonlight at ~04:20 High at ~04:20 High at ~04:20 High during morning twilight at ~04:40 High in moonlight at ~04:00 1-
30o S Fairly high during morning twilight at ~03:40 Fairly high during morning twilight at ~03:40 Fairly high during morning twilight at ~03:30 Fairly high during morning twilight at ~03:30 Fairly high during morning twilight at ~03:20 1-

C/2019 L3 (ATLAS): A morning comet visible in small telescopes
This comet begins the month in Lynx at magnitude 10.0. Look for a 3.5' coma. It should brighten slowly.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N High in moonlight at ~04:40 High at ~04:40 High at ~04:10 High during morning twilight at ~05:50 High at ~00:00 1-
40o N High in moonlight at ~04:40 High at ~04:40 High at ~04:10 High during morning twilight at ~05:30 High at ~00:20 1-
Equator High in moonlight at ~04:20 High at ~04:20 High at ~04:10 High during morning twilight at ~04:40 High at ~01:10 1-
30o S Low in the northern sky during morning twilight at ~03:50 Low in the northern sky during morning twilight at ~03:40 Fairly high in the northern sky during morning twilight at ~03:30 Fairly high in the northern sky during morning twilight at ~03:30 Fairly high in the northern sky in moonlight at ~03:00 1-

19P/Borrelly: An evening comet visible in small telescopes
This comet begins the month in Grus at magnitude 11.6. Look for a 2' coma. It should brighten by about 1.3 magnitudes by month's end. The best visibility is late in the month as seen from the southern hemisphere.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Not visible  
40o N Not visible Not visible Not visible Not visible Low in the southern sky at ~19:00 16-
Equator Fairly high at ~20:30 High at ~20:00 High in moonlight at ~19:10 High at ~19:00 High during evening twilight at ~19:00 1-
30o S High at ~20:30 High at ~20:00 Fairly high in the western sky in moonlight at ~00:50 High during evening twilight at ~20:00 High at ~20:20 1-

29P/Schwassmann-Wachmann: A morning comet visible in small telescopes
This comet begins the month in Auriga at magnitude 10.4. Look for a 4' coma. It should remain constant, moving into Perseus by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N High at ~01:10 High at ~01:50 High at ~01:20 Not visible High at ~23:40 1-
40o N High at ~01:30 High at ~01:50 High at ~01:40 Not visible High at ~00:00 1-
Equator High at ~02:10 High at ~01:50 High at ~02:00 Not visible High at ~00:10 1-
30o S Fairly high in the northern sky at ~02:20 Fairly high in the northern sky at ~01:40 Fairly high in the northern sky at ~02:10 Not visible Fairly high in the northern sky at ~00:10 1-

4P/Faye: A morning comet visible in a 6-inch (15 cm) telescope
This comet begins the month in Monoceros at magnitude 11.6. Look for a 1.5' coma. It should fade slowly.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N High in moonlight at ~04:00 High at ~03:50 High at ~03:20 Fairly high during morning twilight at ~05:40 Fairly high in moonlight at ~00:50 1-
40o N High in moonlight at ~03:50 High at ~03:50 High at ~03:20 High during morning twilight at ~05:30 High at ~00:20 1-
Equator High in moonlight at ~03:20 High at ~03:50 High at ~03:20 High during morning twilight at ~04:40 High at ~00:50 1-
30o S High in moonlight at ~03:30 High at ~03:20 High at ~03:10 High during morning twilight at ~03:40 High at ~01:20 1-

6P/d'Arrest: An evening comet visible in an 8-inch (20 cm) telescope
This comet begins the month in Microscopium at magnitude 10.5. Look for a 5' coma. It should fade rapidly, moving into Pisces Austrinus by month's end. The best visibility is early in the month as seen from the southern hemisphere.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Not visible  
40o N Low in the southern sky during evening twilight at ~18:20 Low in the southern sky during evening twilight at ~18:10 Not visible Not visible Not visible 1-16, 19-
Equator High at ~19:10 High at ~19:10 Not visible High during evening twilight at ~19:00 High at ~19:10 1-
30o S High at ~19:50 High at ~20:00 Not visible High during evening twilight at ~20:00 High at ~20:20 1-

8P/Tuttle: A southern hemisphere morning comet visible in an 8-inch (20 cm) telescope
This comet begins the month in Centaurus at magnitude 11.0. Look for a 2' coma. It should fade rapidly. The best visibility is early in the month as seen from the southern hemisphere.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Not visible  
40o N Not visible Not visible Not visible Not visible Not visible  
Equator Very low in the eastern sky during morning twilight at ~04:40 Not visible Not visible Not visible Not visible 1-
30o S Low in the eastern sky during morning twilight at ~03:40 Low in the eastern sky during morning twilight at ~03:40 Low in the eastern sky during morning twilight at ~03:30 Not visible Low in the southern sky during morning twilight at ~03:20 1-

57P/du Toit-Neujmin-Delporte: An evening comet visible in a 12.5-inch (32 cm) telescope
This comet begins the month in Sagittarius at magnitude 12.2. Look for a 2.5' coma. It should fade slowly, moving into Capricornus by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Very low in the southern sky during evening twilight at ~18:10 Low in the southern sky during evening twilight at ~18:00 Low in the southern sky during evening twilight at ~17:50 Low in the southern sky during evening twilight at ~17:40 Low in the southern sky during evening twilight at ~17:40 1-
40o N Fairly high in the southern sky during evening twilight at ~18:30 Fairly high in the southern sky during evening twilight at ~18:20 Fairly high in the southern sky during evening twilight at ~18:10 Fairly high in the southern sky during evening twilight at ~18:10 Fairly high in the southern sky during evening twilight at ~18:10 1-
Equator High at ~19:00 High at ~19:00 Fairly high during evening twilight at ~19:00 Fairly high during evening twilight at ~19:00 Fairly high at ~19:10 1-
30o S Fairly high at ~19:50 Fairly high at ~20:00 Fairly high during evening twilight at ~20:00 Fairly high during evening twilight at ~20:00 Fairly high in the western sky during evening twilight at ~20:10 1-

C/2019 T4 (ATLAS): A morning comet visible in a 14-inch (36 cm) telescope
This comet begins the month in Hydra at magnitude 13.7. Look for a 1.5' coma. It should brighten slowly.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Not visible 27-
40o N Not visible Low in the southern sky during morning twilight at ~05:20 Low in the southern sky during morning twilight at ~05:20 Low in the southern sky during morning twilight at ~05:30 Low in the southern sky during morning twilight at ~05:30 1-
Equator Fairly high in the eastern sky during morning twilight at ~04:30 Fairly high in the eastern sky during morning twilight at ~04:30 Fairly high during morning twilight at ~04:30 Fairly high during morning twilight at ~04:30 High in moonlight at ~04:30 1-
30o S Fairly high in the eastern sky during morning twilight at ~03:40 Fairly high in the eastern sky during morning twilight at ~03:40 Fairly high during morning twilight at ~03:30 Fairly high during morning twilight at ~03:30 High during morning twilight at ~03:20 1-

C/2020 T2 (Palomar): A southern hemisphere evening comet visible in very large telescopes
This comet begins the month in Ophiuchus at magnitude 12.0. Look for a 4.5' coma. It should fade by about 0.5 magnitudes, moving into Sagittarius by month's end. The best visibility is early in the month as seen from the southern hemisphere.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Not visible  
40o N Not visible Not visible Not visible Not visible Not visible  
Equator Fairly high in the western sky during evening twilight at ~19:00 Fairly high in the western sky during evening twilight at ~19:00 Low in the western sky during evening twilight at ~19:00 Low in the western sky during evening twilight at ~19:00 Low in the western sky during evening twilight at ~19:00 1-
30o S Fairly high in the western sky during evening twilight at ~19:50 Fairly high in the western sky during evening twilight at ~19:50 Fairly high in the western sky during evening twilight at ~20:00 Low in the western sky during evening twilight at ~20:00 Low in the western sky during evening twilight at ~20:10 1-

C/2017 K2 (PANSTARRS): A northern hemisphere evening comet visible in very large telescopes
This comet begins the month in Hercules at magnitude 12.8. Look for a 2.5' coma. It should brighten slowly.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Fairly high at ~18:30 Fairly high at ~18:20 Fairly high during evening twilight at ~18:00 Fairly high in the western sky during evening twilight at ~17:50 Fairly high in the western sky during evening twilight at ~17:50 1-
40o N Fairly high at ~18:30 Fairly high at ~18:20 Fairly high in the western sky during evening twilight at ~18:20 Fairly high in the western sky during evening twilight at ~18:10 Fairly high in the western sky during evening twilight at ~18:10 1-
Equator Fairly high in the western sky during evening twilight at ~19:00 Low in the western sky during evening twilight at ~18:50 Low in the western sky during evening twilight at ~18:50 Not visible Not visible 1-16
30o S Not visible Not visible Not visible Not visible Not visible  

108P/Ciffreo: A morning comet visible in very large telescopes
This comet begins the month in Gemini at magnitude 13.3. Look for a 5.5' coma. It should fade by about 0.5 magnitudes by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N High in moonlight at ~03:40 High at ~04:10 High at ~03:50 Not visible High at ~23:50 1-17, 24-
40o N High in moonlight at ~02:50 High at ~04:10 High at ~03:50 Not visible High at ~00:10 1-17, 24-
Equator High in moonlight at ~03:30 High at ~04:10 High at ~03:50 Not visible High at ~00:50 1-17, 25-
30o S Fairly high in the northern sky in moonlight at ~03:40 Fairly high in the northern sky at ~03:30 Fairly high in the northern sky at ~03:20 Not visible Fairly high in the northern sky in moonlight at ~02:30 1-16, 26-

P/2021 Q5 (ATLAS): A morning comet visible in very large telescopes
This comet begins the month in Sextans at magnitude 13.5. Look for a 5' coma. It should fade slowly, moving into Leo by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Fairly high during morning twilight at ~05:00 Fairly high at ~05:10 Fairly high at ~05:20 Not visible Fairly high in the southern sky in moonlight at ~05:40 1-17, 27-
40o N High in moonlight at ~04:50 High at ~05:00 High at ~05:00 Not visible High in moonlight at ~05:10 1-17, 27-
Equator High in moonlight at ~04:30 High at ~04:20 High at ~04:20 Not visible High in moonlight at ~03:50 1-16, 27-
30o S Fairly high in the eastern sky during morning twilight at ~03:40 Fairly high in the eastern sky during morning twilight at ~03:30 Fairly high during morning twilight at ~03:30 Not visible Fairly high in moonlight at ~03:00 1-16, 27-

15P/Finlay: A morning comet visible in very large telescopes
This comet begins the month in Cancer at magnitude 13.9. Look for a 1' coma. It should fade by about 0.5 magnitudes by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N High in moonlight at ~04:40 High at ~05:00 High at ~05:00 Not visible Fairly high at ~00:10 1-18, 26-
40o N High in moonlight at ~04:40 High at ~04:50 High at ~05:00 Not visible Fairly high at ~00:20 1-17, 26-
Equator High in moonlight at ~04:20 High at ~04:20 High at ~04:20 Not visible Fairly high at ~01:00 1-17, 26-
30o S Fairly high in the northern sky during morning twilight at ~03:40 Fairly high in the northern sky during morning twilight at ~03:30 Fairly high in the northern sky during morning twilight at ~03:30 Not visible Fairly high in the northern sky in moonlight at ~03:10 1-16, 26-

132P/Helin-Roman-Alu: An evening comet visible in very large telescopes
This comet begins the month in Pisces at magnitude 14.0. Look for a 1' coma. It should fade slowly, moving into Cetus by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Fairly high at ~21:50 Fairly high at ~21:20 Low in the western sky at ~00:30 Fairly high in the eastern sky during evening twilight at ~17:50 Fairly high at ~20:20 1-13, 19-
40o N High at ~21:50 High at ~21:20 Low in the western sky at ~01:10 Fairly high during evening twilight at ~18:00 High at ~20:20 1-13, 18-
Equator High at ~21:50 High at ~21:20 Low in the western sky at ~01:50 High during evening twilight at ~19:00 High at ~20:20 1-13, 19-
30o S High at ~21:50 High at ~21:20 Low in the western sky at ~01:50 High during evening twilight at ~20:00 High at ~20:30 1-13, 19-

C/2020 J1 (SONEAR): A far-northern morning comet visible in very large telescopes
This comet begins the month in Virgo at magnitude 14.2. Look for a 2' coma. It should fade slowly.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Low in the eastern sky during morning twilight at ~05:50 23-
40o N Not visible Not visible Not visible Not visible Low in the eastern sky during morning twilight at ~05:30 25-
Equator Not visible Not visible Not visible Not visible Not visible  
30o S Not visible Not visible Not visible Not visible Not visible  

7P/Pons-Winnecke: A southern hemisphere evening comet visible in very large telescopes
This comet begins the month in Grus at magnitude 14.7. Look for a 4.5' coma. It should fade by about 1.2 magnitudes, moving into Sculptor by month's end. The best visibility is early in the month as seen from the southern hemisphere.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Not visible  
40o N Not visible Not visible Not visible Not visible Not visible  
Equator High at ~20:40 High at ~20:20 Not visible Not visible Not visible 1-8
30o S High at ~20:40 High at ~20:20 Not visible Not visible Not visible 1-8

C/2021 K1 (ATLAS): An evening comet visible in very large telescopes
This comet begins the month in Cetus at magnitude 14.9. Look for a 1.5' coma. It should fade by about 0.6 magnitudes by month's end.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Not visible  
40o N Fairly high at ~22:20 Fairly high at ~21:50 Not visible Not visible Not visible 1-11
Equator High at ~22:20 High at ~21:50 Not visible Not visible High at ~20:30 1-12, 21-
30o S High at ~22:20 High at ~21:50 Not visible High during evening twilight at ~20:00 High at ~20:40 1-11, 20-

C/2020 F5 (MASTER): An evening comet visible in very large telescopes
This comet begins the month in Pisces Austrinus at magnitude 15.0. Look for a 45" coma. It should fade slowly, moving into Aquarius by month's end. The best visibility is early in the month as seen from the southern hemisphere.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Low in the southern sky at ~19:20 Not visible Low in the southern sky in moonlight at ~18:30 Low in the southern sky at ~18:00 1-11, 20-
40o N Fairly high in the southern sky at ~19:50 Fairly high in the southern sky at ~19:20 Fairly high in the southern sky in moonlight at ~18:30 Fairly high in the southern sky during evening twilight at ~18:10 Fairly high in the southern sky during evening twilight at ~18:00 1-
Equator High at ~19:50 High at ~19:20 High in moonlight at ~19:00 High during evening twilight at ~19:00 High during evening twilight at ~19:00 1-
30o S High at ~19:50 High during evening twilight at ~19:50 High in moonlight at ~22:20 High during evening twilight at ~20:00 High at ~20:20 1-

C/2019 F1 (ATLAS-Africano): A southern hemisphere evening comet visible in very large telescopes
This comet begins the month in Indus at magnitude 15.0. Look for a 25" coma. It should fade slowly, moving into Tucana by month's end. The best visibility is early in the month as seen from the southern hemisphere.  FINDER CHART

Latitude Visibility October 30 Visibility November 6 Visibility November 13 Visibility November 20 Visibility November 27 Nights Visible
55o N Not visible Not visible Not visible Not visible Not visible  
40o N Not visible Not visible Not visible Not visible Not visible  
Equator Low in the southern sky at ~19:10 Low in the southern sky during evening twilight at ~18:50 Fairly high in the southern sky in moonlight at ~19:00 Fairly high in the southern sky during evening twilight at ~18:50 Fairly high in the southern sky during evening twilight at ~19:00 1-
30o S High during evening twilight at ~19:40 High during evening twilight at ~19:50 High in moonlight at ~20:10 High during evening twilight at ~20:10 High at ~20:20 1-

Summary Data for This Month's Telescopic Comets

Comets brighter than 16th magnitude.  This table is updated as necessary. The last column indicates the date of the last observation used to compute these values.  The constellation listed is where the comet was on the first of the month.
Comet Constellation

November 1st

November 15th

November 30th

 Observations as of (UT)
Mag Diam Mag Diam Mag Diam
67P/Churyumov-Gerasimenko Gemini 9.4 5.0' 9.4 5.1' 9.6 5.0' 2021 November 6
C/2019 L3 (ATLAS) Lynx 10.0 3.0' 9.8 3.3' 9.7 3.5' 2021 November 1
C/2021 A1 (Leonard) Ursa Major 10.2 5.0' 8.7 7.2' 6.3 14.1' 2021 November 1
29P/Schwassmann-Wachmann Auriga 10.4 4.0' 10.4 4.1' 10.3 4.1' 2021 November 1
6P/d'Arrest Microscopium 10.5 4.9' 11.4 4.3' 12.6 3.8' 2021 October 28
8P/Tuttle Centaurus 11.0 2.0' 11.9 1.9' 12.9 1.8' 2021 November 1
19P/Borrelly Grus 11.6 2.1' 11.0 2.1' 10.3 2.1' 2021 October 25
4P/Faye Monoceros 11.6 1.6' 11.7 1.6' 11.9 1.7' 2021 October 28
C/2020 T2 (Palomar) Ophiuchus 12.0 4.4' 12.3 4.1' 12.5 3.9' 2021 October 16
57P/du Toit-Neujmin-Delporte Sagittarius 12.2 2.6' 12.4 2.4' 12.6 2.3' 2021 October 28
C/2017 K2 (PANSTARRS) Hercules 12.8 2.6' 12.7 2.7' 12.5 2.7' 2021 October 29
108P/Ciffreo Gemini 13.3 5.5' 13.5 5.8' 13.8 6.1' 2021 October 20
P/2021 Q5 (ATLAS) Sextans 13.5 5.2' 13.7 5.3' 14.0 5.4' 2021 October 15
C/2019 T4 (ATLAS) Hydra 13.7 1.4' 13.5 1.5' 13.4 1.5' 2021 October 12
15P/Finlay Cancer 13.9 1.0' 14.2 1.1' 14.5 1.1' 2021 October 16
132P/Helin-Roman-Alu Pisces 14.0 1.0' 14.2 56" 14.5 50" 2021 October 29
C/2020 J1 (SONEAR) Virgo 14.2 2.2' 14.2 2.2' 14.3 2.2' 2021 September 17
7P/Pons-Winnecke Grus 14.7 4.3' 15.4 3.7' 16.0 3.3' 2021 October 12
C/2021 K1 (ATLAS) Cetus 14.9 1.7' 15.2 1.5' 15.5 1.4' 2021 October 27
C/2020 F5 (MASTER) Pisces Austrinus 15.0 44" 15.1 41" 15.3 39" 2021 October 26
C/2019 F1 (ATLAS-Africano) Indus 15.0 27" 15.1 26" 15.3 25" 2021 November 1
C/2020 PV6 (PANSTARRS) Hercules 15.1 1.1' 15.2 1.1' 15.3 1.1' 2021 October 16
110P/Hartley Cancer 15.3 22" 15.1 24" 15.0 27" 2021 October 14
246P/NEAT Sagittarius 15.4 31" 15.6 29" 15.7 27" 2021 October 25
284P/McNaught Aquarius 15.4 32" 15.6 29" 15.9 26" 2021 September 22
117P/Helin-Roman-Alu Libra 15.7 41" 15.6 41" 15.6 42" 2021 October 5
C/2020 U5 (PANSTARRS) Ursa Major 15.8 29" 15.6 31" 15.5 32" 2021 September 11
C/2020 R7 (ATLAS) Hydrus 15.9 1.0' 15.8 1.0' 15.8 1.0' 2021 November 1
10P/Tempel Taurus 15.9 1.3' 16.3 1.3' 16.8 1.2' 2021 October 28
C/2020 V2 (ZTF) Canes Venatici 15.9 38" 15.7 39" 15.5 41" 2021 October 16
C/2021 E3 (ZTF) Serpens Cauda 15.9 47" 15.8 46" 15.7 46" 2021 October 25
C/2020 M5 (ATLAS) Coma Berenices 16.0 2.0' 16.0 2.1' 15.9 2.1' 2021 September 24
C/2018 U1 (Lemmon) Ophiuchus 16.0 46" 16.0 45" 16.1 45" 2021 October 9
C/2019 U5 (PANSTARRS) Corona Borealis 16.0 36" 15.9 37" 15.8 37" 2021 October 16
9P/Tempel Virgo 16.3 2.2' 15.8 2.3' 15.2 2.5' 2016 October 22
*In solar conjunction and generally not visible

For information about specific comets see Gary W. Kronk's Cometography 

Further reading: see Comet Chasing, Sky & Telescope, April 2005, pg. 83.

Make your own visual observing custom charts for your location and telescope/binoculars: software for visual comet observing 

Select comets that are appropriate for your imaging system, and plan when they are best imaged: software for comet imaging 
 

Links

Skyhound's Guide to Comets
Skyhound's Guide to Finding Comets
BAA Comet Section
Weekly Information About Bright Comets
Cometography