# Generated thumbnail is off

**URL:** <https://talk.observablehq.com/t/generated-thumbnail-is-off/538>\
**Category:** Help\
**Created:** [March 23, 2018, 7:54am UTC](https://talk.observablehq.com/t/generated-thumbnail-is-off/538 "2018-03-23T07:54:04Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Fil](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.observablehq.com/fil/32/207_2.png) [@Fil](https://talk.observablehq.com/u/Fil)\
**Post date:** [March 23, 2018, 7:54am UTC](https://talk.observablehq.com/t/generated-thumbnail-is-off/538/1 "2018-03-23T07:54:04Z")

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![57](https://canada1.discourse-cdn.com/flex030/uploads/observablehq/original/1X/af944629c445d7e741e6cad25247a59d02ab5a05.png)

> **[Tobler’s hyperelliptical projection (1973)](https://observablehq.com/@fil/toblers-hyperelliptical-projection)**
>
> An Observable notebook by Fil.

(no big deal but I wonder what happened: in the notebook the image is correctly centered)

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**Author:** ![tom](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.observablehq.com/tom/32/2262_2.png) [@tom](https://talk.observablehq.com/u/tom)\
**Post date:** [March 28, 2018, 5:20pm UTC](https://talk.observablehq.com/t/generated-thumbnail-is-off/538/2 "2018-03-28T17:20:50Z")

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Thanks - we’re seeing this issue intermittently in the thumbnail generation code. Unfortunately don’t yet have a solid theory for the trigger, but we’ll keep digging.