First strong outburst of Centaur 29P/S-W1 for >6 months rmiles.btee@btinternet.com 18 Aug 2022 20:47 UTC

Please note that 29P is in strong outburst and worthwhile following up.
This happened during the last 24 hours - here are the recent
astrometric/photometric data:

0029P        KC2022 08 16.09930 06 28 53.57 +29 05 04.1          16.43R
L27  5.96" (6.71") star
0029P        KC2022 08 16.11930 06 28 54.36 +29 05 04.5          16.73R
L27
0029P        KC2022 08 16.14745 06 28 55.59 +29 05 04.7          16.92R
L27

0029P         C2022 08 16.23052 06 28 59.11 +29 05 03.1          16.97R
Z21 5.70" (5.98") 180s Miles
0029P         C2022 08 16.23277 06 28 59.32 +29 05 03.6          17.14R
Z21
0029P         C2022 08 16.23502 06 28 59.36 +29 05 03.5          16.89R
Z21

0029P         C2022 08 17.61626 06 29 59.12 +29 04 38.5          16.91R
T04 9.12" (9.40") 240s Miles 16pix
0029P         C2022 08 17.61919 06 29 59.19 +29 04 38.5          16.80R
T04 5.70" (5.98") 240s Miles

**Outburst at 2022 08 18.12 +/-0.4  17.00R => 14.80R

0029P         C2022 08 18.61615 06 30 41.90 +29 04 20.3          14.79R
T04 5.70" (5.98") 240s Miles
0029P         C2022 08 18.61908 06 30 42.01 +29 04 20.4          14.82R
T04
0029P         C2022 08 18.62201 06 30 42.12 +29 04 20.3          14.80R
T04
----- end -----

L27 J.-F. Soulier    Dauban, France                   TEL 0.25-m f/3.5
Newtonian reflector,    no filter,    5.96" (4pix)
T04 LCO Clamshell #1 Haleakala, Hawaii                TEL 0.40-m f/8
Schmidt-Cassegrain,       r' filter,    5.70" (10pix)
Z21 LCO Aqawan A#1   Tenerife, Spain                  TEL 0.40-m f/8
Schmidt-Cassegrain,       r' filter,    5.70" (10pix)

An animation of this object and more information can be seen at:

https://britastro.org/section_information_/comet-section-overview/mission-29
p-centaur-comet-observing-campaign.

Richard Miles
BAA