Comet 29P/Schwassmann-Wachmann-Schwarzenegger 60"
Taken by Odd Trondal on November 14, 2024 @ Oslo
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Here is a new interesting calculation. I measured the angular diameter of the comets head to be approximately : 60" or 0.00029 radians.
With the distance from the earth : 6.317 au = 945 000 000 km
Then we can find the diameter of the head : 945 000 000 km x 0.00029 = 274,889 km approximately 275 000 km
The speed of expansion since my outburst discovery, 1. November, is 13 days : Radius/13 days = (275 000/2 km) / 13 days = 10577 km/day
= 0.12 km/sec. which is close to Halley's comet (0.11 km/sec. calculated at 6.24au from the sun, see link to article)

For Halley's comet, we have observed and calculated dust outflow velocities :
At 1.5 au from the sun : 0.231 km/sec.
at 6.24 au from the sun : 0.231/sqrt(6.24/1.5) km/sec.= 0.11 km/sec. (calculated)
and at 14 au from the sun : 0.045 km/sec. (ref, Sekanina et al. 1992)

https://link.springer.com/chapter/10.1007/978-94-009-0209-1_15

So this outburst of 29P is approximately the same as Halley's continuous dust outflow at the same distance from the sun. So my conclusion is so far, it is the other way around. This is normal comet with long periods of inactivity (approx. 52–60 days.)

Sun distance (au): 6,24 Perihel 28.March 2019 Sun dist.(au): 5,77

Time: 02:05UT 2024-11-14 Exp. 38 X 125sec
Tel: C14 @ f/6.8 AP7 CCD 2.0"/pix Paramount GT-1100S Tenagra Norway
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.

Software used : TheSky6,CCDSoft 5, MSB Astroart 2.0,7.0, Paint

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Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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