C/2017
K2 (PANSTARRS): An evening comet visible in binoculars
This comet begins the month in Ophiuchus at magnitude 8.7. Look
for a 6' coma. It should brighten slowly. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Fairly high in the southern sky
during evening twilight at ~00:00 |
Fairly high in the southern sky
during evening twilight at ~23:40 |
Low in the southern sky during
evening twilight at ~23:20 |
Low in the southern sky during
evening twilight at ~22:50 |
1- |
40o
N |
High at ~22:40 |
Fairly high at ~00:50 |
High at ~21:40 |
High at ~21:20 |
Fairly high at ~21:10 |
1- |
Equator |
High at ~22:40 |
Fairly high in the western sky
at ~02:00 |
High at ~21:10 |
High at ~20:40 |
High at ~20:00 |
1- |
30o S |
High at ~22:40 |
Fairly high in the western sky
at ~02:30 |
High at ~20:40 |
High at ~20:40 |
High at ~20:00 |
1- |
C/2021 E3 (ZTF): A
southern hemisphere evening comet visible in a 6-inch (15 cm) telescope
This comet begins the month in Carina at magnitude 10.2. Look
for a 4.5' coma. It should fade by about 1.0 magnitudes, moving into Vela by
month's end. The best visibility is early in the month as seen from the southern
hemisphere. FINDER CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
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 |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
1-5 |
30o S |
Fairly high in moonlight at
~18:40 |
Fairly high during evening
twilight at ~18:40 |
Fairly high at ~18:40 |
Fairly high in the western sky
during evening twilight at ~18:50 |
Fairly high in the western sky
during evening twilight at ~18:50 |
1- |
C/2022 E3 (ZTF): An
evening comet visible in a 10-inch (25 cm) telescope
This comet begins the month in Lyra at magnitude 14.0. Look for
a 60" coma. It should brighten by about 0.7 magnitudes, moving into
Hercules by month's end. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
High during morning twilight at
~00:00 |
High during morning twilight at
~00:00 |
High during evening twilight at
~23:40 |
High during evening twilight at
~23:50 |
High during evening twilight at
~23:30 |
1- |
40o
N |
High at ~00:20 |
High at ~00:50 |
High at ~22:10 |
High at ~21:50 |
High at ~21:20 |
1- |
Equator |
High at ~00:10 |
High at ~02:00 |
High at ~21:20 |
High at ~21:50 |
High at ~21:10 |
1- |
30o S |
Fairly high in the northern sky
at ~00:10 |
Fairly high in the northern sky
in moonlight at ~23:40 |
Fairly high in the northern sky
in moonlight at ~21:30 |
Fairly high in the northern sky
at ~21:50 |
Fairly high in the northern sky
at ~21:00 |
1- |
C/2019 T4 (ATLAS): An
evening comet visible in a 12.5-inch (32 cm) telescope
This comet begins the month in Virgo at magnitude 12.6. Look for
a 1.5' coma. It should fade slowly. The best visibility is early in the month as
seen from the southern hemisphere. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
40o
N |
Low in the western sky during
evening twilight at ~21:20 |
Not visible |
Low in the western sky during
evening twilight at ~21:00 |
Not visible |
Not visible |
1-27, 29-30 |
Equator |
High in moonlight at ~19:30 |
High during evening twilight at
~19:20 |
High at ~19:30 |
High at ~19:30 |
Fairly high at ~19:20 |
1- |
30o S |
High in moonlight at ~18:50 |
High during evening twilight at
~18:40 |
High at ~18:50 |
High at ~18:50 |
High at ~18:50 |
1- |
22P/Kopff: A morning comet
visible in a 16-inch (41 cm) telescope
This comet begins the month in Pisces at magnitude 11.6. Look
for a 5.5' coma. It should remain constant. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Not visible |
Not visible |
Low in the eastern sky during
morning twilight at ~01:00 |
Fairly high in the eastern sky
during morning twilight at ~01:10 |
20- |
40o
N |
Fairly high in the eastern sky
during morning twilight at ~02:40 |
Fairly high during morning
twilight at ~02:50 |
Fairly high during morning
twilight at ~03:00 |
High in moonlight at ~03:00 |
High at ~03:10 |
1- |
Equator |
High at ~04:40 |
High at ~04:40 |
High during morning twilight at
~04:50 |
High in moonlight at ~04:40 |
High at ~04:40 |
1- |
30o S |
High at ~05:20 |
High at ~05:20 |
High during morning twilight at
~05:30 |
High in moonlight at ~05:00 |
High at ~05:00 |
1- |
C/2021 P4 (ATLAS): A
northern hemisphere evening comet visible in an 18-inch (46 cm) telescope
This comet begins the month in Lynx at magnitude 10.4. Look for
a 3' coma. It should brighten slowly, moving into Leo by month's end. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
40o
N |
Low in the western sky during
evening twilight at ~21:10 |
Very low in the western sky
during evening twilight at ~21:00 |
Not visible |
Not visible |
Not visible |
1-13 |
Equator |
Very low in the western sky
during evening twilight at ~19:10 |
Very low in the western sky
during evening twilight at ~19:10 |
Very low in the western sky
during evening twilight at ~19:10 |
Not visible |
Not visible |
1-23, 28-28 |
30o S |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
73P/Schwassmann-Wachmann:
An evening comet visible in an 18-inch (46 cm) telescope
This comet begins the month in Leo at magnitude 14.8. Look for a
45" coma. It should brighten by about 1.0 magnitudes, moving into Virgo by
month's end. The best visibility is late in the month as seen from the southern
hemisphere. FINDER CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
40o
N |
Fairly high in the western sky
during evening twilight at ~21:20 |
Not visible |
Low in the western sky during
evening twilight at ~21:00 |
Low in the western sky during
evening twilight at ~20:50 |
Not visible |
1- |
Equator |
High in moonlight at ~19:20 |
High during evening twilight at
~19:20 |
Fairly high at ~19:20 |
Fairly high at ~19:20 |
Fairly high during evening
twilight at ~19:20 |
1- |
30o S |
Fairly high in moonlight at
~18:40 |
Fairly high during evening
twilight at ~18:40 |
Fairly high at ~18:40 |
Fairly high at ~18:50 |
Fairly high during evening
twilight at ~18:50 |
1- |
C/2019 L3 (ATLAS): A
southern hemisphere evening comet visible in very large telescopes
This comet begins the month in Canis Minor at magnitude 10.9.
Look for a 2.5' coma. It should fade slowly, moving into Hydra by month's end.
The best visibility is early in the month as seen from the southern hemisphere.
FINDER CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
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 |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
30o S |
Low in the western sky during
evening twilight at ~18:20 |
Not visible |
Not visible |
Not visible |
Not visible |
1-8 |
C/2021 F1
(Lemmon-PANSTARRS): A southern hemisphere morning comet visible in very large
telescopes
This comet begins the month in Eridanus at magnitude 12.5. Look
for a 4.5' coma. It should fade by about 1.1 magnitudes, moving into Caelum by
month's end. The best visibility is early in the month as seen from the southern
hemisphere. FINDER CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
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 eastern sky
during morning twilight at ~04:50 |
Fairly high in the eastern sky
during morning twilight at ~04:50 |
Not visible |
Not visible |
Not visible |
1-10 |
30o S |
High at ~05:30 |
High at ~05:30 |
Not visible |
High in moonlight at ~05:20 |
High at ~05:20 |
1-11, 21- |
45P/Honda-Mrkos-Pajdusakova:
A southern hemisphere evening comet visible in very large telescopes
This comet begins the month in Cancer at magnitude 13.0. Look
for a 3' coma. It should fade rapidly, moving into Leo by month's end. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
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 western sky during
evening twilight at ~19:20 |
Not visible |
Not visible |
Not visible |
Not visible |
1-6 |
30o S |
Low in the western sky during
evening twilight at ~18:30 |
Not visible |
Not visible |
Not visible |
Not visible |
1-5 |
19P/Borrelly: A northern
hemisphere evening comet visible in very large telescopes
This comet begins the month in Leo Minor at magnitude 13.0. Look
for a 2' coma. It should fade by about 0.7 magnitudes by month's end. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
40o
N |
Low in the western sky during
evening twilight at ~21:20 |
Not visible |
Low in the western sky during
evening twilight at ~21:10 |
Not visible |
Not visible |
1-8, 14-17 |
Equator |
Low in the western sky during
evening twilight at ~19:20 |
Not visible |
Low in the western sky during
evening twilight at ~19:20 |
Not visible |
Not visible |
1-8, 14-19 |
30o S |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
9P/Tempel: A morning comet
visible in very large telescopes
This comet begins the month in Aquarius at magnitude 13.2. Look
for a 3.5' coma. It should remain constant, moving into Sculptor by month's end.
The best visibility is late in the month as seen from the southern hemisphere.
FINDER CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
40o
N |
Fairly high in the southern sky
during morning twilight at ~02:40 |
Fairly high in the southern sky
during morning twilight at ~02:40 |
Not visible |
Fairly high in the southern sky
in moonlight at ~02:50 |
Fairly high in the southern sky
at ~02:30 |
1-11, 20- |
Equator |
High at ~04:20 |
High at ~04:00 |
Not visible |
High at ~02:50 |
High at ~02:40 |
1-11, 18- |
30o S |
High at ~04:30 |
High at ~04:00 |
Not visible |
High at ~03:10 |
High at ~02:40 |
1-11, 18- |
C/2020 V2 (ZTF): A
northern hemisphere evening comet visible in very large telescopes
This comet begins the month in Ursa Major at magnitude 13.2.
Look for a 1' coma. It should brighten slowly. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Fairly high in the northern sky
during evening twilight at ~00:00 |
Fairly high in the northern sky
during evening twilight at ~00:00 |
Fairly high in the northern sky
during evening twilight at ~23:50 |
Fairly high in the northern sky
during evening twilight at ~23:50 |
Fairly high in the northern sky
during evening twilight at ~23:30 |
1- |
40o
N |
Fairly high in the northern sky
during evening twilight at ~21:30 |
Fairly high in the northern sky
during evening twilight at ~21:20 |
Fairly high in the northern sky
during evening twilight at ~21:20 |
Fairly high in the northern sky
during evening twilight at ~21:10 |
Low in the northern sky during
evening twilight at ~21:00 |
1- |
Equator |
Low in the northern sky during
evening twilight at ~19:20 |
Low in the northern sky during
evening twilight at ~19:10 |
Very low in the northern sky
during evening twilight at ~19:10 |
Not visible |
Not visible |
1-17 |
30o S |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
C/2020 R7 (ATLAS): A
southern hemisphere evening comet visible in very large telescopes
This comet begins the month in Pavo at magnitude 13.6. Look for
a 1.5' coma. It should remain constant, moving into Ara by month's end. The best
visibility is late in the month as seen from the southern hemisphere. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
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 southern sky
at ~01:00 |
Fairly high in the southern sky
at ~02:00 |
Fairly high in the southern sky
at ~21:20 |
Fairly high at ~21:50 |
Fairly high at ~21:00 |
1- |
30o S |
High at ~01:00 |
High at ~03:00 |
High at ~20:50 |
High at ~21:50 |
High at ~21:00 |
1- |
117P/Helin-Roman-Alu: A
morning comet visible in very large telescopes
This comet begins the month in Sagittarius at magnitude 13.8.
Look for a 1.5' coma. It should fade slowly. The best visibility is early in the
month as seen from the southern hemisphere. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
40o
N |
Low in the southern sky at
~00:10 |
Low in the southern sky at
~00:30 |
Low in the southern sky at
~22:20 |
Low in the southern sky at
~22:30 |
Low in the southern sky at
~22:00 |
1-10, 14- |
Equator |
High at ~00:10 |
High at ~02:10 |
High at ~21:20 |
High at ~22:30 |
High at ~22:00 |
1-11, 13- |
30o S |
High at ~00:10 |
High at ~03:00 |
High at ~20:50 |
High at ~22:30 |
High at ~22:00 |
1-11, 14- |
C/2020 K1 (PANSTARRS): An
evening comet visible in very large telescopes
This comet begins the month in Hercules at magnitude 14.0. Look
for a 1' coma. It should brighten slowly, moving into Ophiuchus by month's end.
FINDER CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
High during morning twilight at
~00:00 |
High during morning twilight at
~00:00 |
High during evening twilight at
~23:40 |
Fairly high during evening
twilight at ~23:50 |
Fairly high during evening
twilight at ~23:20 |
1- |
40o
N |
High at ~23:20 |
High at ~00:50 |
High at ~22:00 |
High at ~21:40 |
High at ~21:20 |
1- |
Equator |
High at ~23:20 |
Fairly high at ~02:10 |
High at ~21:20 |
High at ~21:40 |
High at ~21:00 |
1-11, 13- |
30o S |
High at ~23:20 |
Fairly high in the western sky
in moonlight at ~02:20 |
High at ~20:50 |
High at ~21:40 |
High at ~21:00 |
1-10, 14- |
C/2019 U5 (PANSTARRS): An
evening comet visible in very large telescopes
This comet begins the month in Canes Venatici at magnitude 14.0.
Look for a 55" coma. It should remain constant. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Fairly high during evening
twilight at ~23:50 |
Fairly high during evening
twilight at ~23:50 |
Fairly high in the western sky
during evening twilight at ~23:40 |
Fairly high in the western sky
during evening twilight at ~23:30 |
Fairly high in the western sky
during evening twilight at ~23:00 |
1- |
40o
N |
High at ~21:40 |
Fairly high in the western sky
in moonlight at ~23:50 |
High at ~21:30 |
High at ~21:20 |
Fairly high during evening
twilight at ~21:00 |
1- |
Equator |
High in moonlight at ~19:30 |
High in moonlight at ~19:30 |
High at ~19:30 |
High at ~19:30 |
High at ~19:30 |
1- |
30o S |
Fairly high in the northern sky
in moonlight at ~19:00 |
Fairly high in the northern sky
in moonlight at ~18:40 |
Fairly high in the northern sky
at ~18:50 |
Fairly high in the northern sky
at ~18:50 |
Fairly high in the northern sky
during evening twilight at ~18:50 |
1- |
116P/Wild: An evening
comet visible in very large telescopes
This comet begins the month in Leo at magnitude 14.2. Look for a
60" coma. It should fade slowly, moving into Virgo by month's end. FINDER
CHART
Latitude |
Visibility July 2 |
Visibility July 9 |
Visibility July 16 |
Visibility July 23 |
Visibility July 30 |
Nights Visible |
55o
N |
Not visible |
Not visible |
Not visible |
Not visible |
Not visible |
|
40o
N |
Low in the western sky during
evening twilight at ~21:20 |
Not visible |
Not visible |
Not visible |
Not visible |
1-5 |
Equator |
High in moonlight at ~19:30 |
High during evening twilight at
~19:20 |
Fairly high at ~19:30 |
Fairly high at ~19:20 |
Fairly high in the western sky
during evening twilight at ~19:20 |
1- |
30o S |
High in moonlight at ~18:40 |
Fairly high during evening
twilight at ~18:40 |
Fairly high at ~18:50 |
Fairly high at ~18:50 |
Fairly high at ~18:50 |
1- |