| Joined: | Sun Apr 1st, 2012 |
| Location: | South Lakeland, UK |
| Posts: | 4066 |
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It seems Sony have released an update which eats small stars, mistaking them for hot or dead pixels. It doesn't touch larger brighter stars but 'cleans up' all the smaller and fainter stars.
Here is a link to an open letter to Sony:
https://www.lonelyspeck.com/why-i-no-longer-recommend-sony-cameras-for-astrophotography-an-open-letter-to-sony/
While it may have been well intentioned and possibly helpful for some users it's effectively wrecked the intended usability for astro photography users who have upgraded their cameras firmware.
As usual with FW upgrades it's not possible to revert to previous versions of firmware.
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Robert.