It will surely take plenty of engineering and calibration photos during that time. I don't think they will be published instantly because telescope operators wa

It will surely take plenty of engineering and calibration photos during that time. I don't think they will be published instantly because telescope operators want to make a 'wow' effect with first photos from JWST. Here is first technical image from Hubble, before its mirror's flaw was discovered: https://stsci-opo.org/STScI-01EVTBEME0059ASGX8X3DFWZMX.jpg https://stsci-opo.org/STScI-01EVTBEME0059ASGX8X3DFWZMX.jpg