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Great effort and I'm sure it will encourage others. Planetary imaging although challenging isn't impossible with a dob. In some ways I think it's more exciting because of the chase. I too think it's a great way for those starting out to image on the cheap and with the least amount of technical knowledge.
A lot of my planetary imaging has been done with a dob, usually at the end of an observing session. Once my eyes have had enough, if I'm not too tired, I'll quickly attach the camera and capture some frames. The biggest challenge I have isn't the chasing but the speed. I use a mono camera and a manual filter wheel so I have to quickly change filter, nudge scope then re-focus because my cheap filters aren't exactly parfocal. If I'm not fast enough then I'll have too much rotation between filter changes and won't be able to align the RGB data when processing.
But you're right in that you can still get good images without a tracking mount.
All that's required really is patience.
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