A Blue Ball illuminated the portion of the sky where it suddenly appeared, then, in a blink, it just zoomed across the sky and dissapeared. It could've been a natural phenomenon like ball lightning or a meteor. The only thing that struck me was its weird light blue color and the fact that it didn't leave any trace along the path.
Top 100 nearest sightings ordered by sighting date (100 miles radius):
| Location | Sighted on | Shape | Duration |
|---|---|---|---|
| Location | Sighted on | Shape | Duration |
| Saint Pölten, Lower Austria (Austria) | 2020-01-11 | Star-like | 00:05:00 |
| Seyring, Niederösterreich (Austria) | 2020-01-05 | Sphere | 01:00:00 |
| Hegyeshalom (Hungary) | 2019-05-18 | Square, Rectangular | 02:00:00 |
| wien | 2018-11-04 | disc | a couple of seconds |
| Wien, Wien (Austria) | 2017-12-17 | Egg | 00:00:02 |
| Wien, Wien (Austria) | 2017-10-17 | Cigar | 00:03:00 |
| Wien, Wien (Austria) | 2017-10-14 | Fireball | 00:05:00 |
| Jablonica, Trnava Region (Slovakia) | 2017-09-20 | Sphere | 00:15:00 |
| Jablonica, Trnava Region (Slovakia) | 2017-09-20 | Sphere | 00:15:00 |
| Wien, Wien (Austria) | 2017-05-18 | Sphere | 00:01:00 |
| Baden bei Wien (Austria) | 2017-03-04 | Round | 20 min |
| Bad Deutsch-Altenburg, Lower Austria (Austria) | 2017-01-20 | Square, Rectangular | 00:00:02 |
| Velké Němčice, Czechia | 2017-01-10 | Triangle | 2h |
| Laab im Walde, Austria | 2017-01-01 | Dot | 10 minutes |
| Riedenthal, Niederösterreich (Austria) | 2016-12-10 | Circle | 00:10:00 |
| Vienna, Vienna (Austria) | 2016-07-30 | Star-like | 00:01:30 |
| Lassee, Lower Austria (Austria) | 2016-01-01 | Sphere | 00:18:00 |
| Bratislava (Slovakia) | 2015-11-13 | Round | 1 minute |
| Sankt Barbara im Mürztal, Steiermark (Austria) | 2015-09-05 | Cigar | 00:00:20 |
| Vienna, Vienna (Austria) | 2014-11-26 | Other | Undisclosed |
| Vienna (Austria) | 2014-09-29 | Circle | 4 separate occasions |
| Bratislava, Bratislava Region (Slovakia) | 2014-04-21 | Circle | 00:00:30 |
| Vienna (Austria) | 2013-12-24 | Light | |
| Vienna, Vienna (Austria) | 2013-11-24 | Triangle | Undisclosed |
| Vienna, Vienna (Austria) | 2013-09-27 | Diamond, Star-like, Triangle | Undisclosed |
| Vienna (Austria) | 2012-07-23 | Unknown | 8-10 minutes |
| Vienna, Wien (Austria) | 2011-08-31 | Sphere | 00:10:00 |
| Vienna, Wien (Austria) | 2011-02-13 | Triangle | 00:01:00 |
| Vienna (Austria) | 2009-07-09 | Other | 45sec |
| Stockerau, Niederosterreich (Austria) | 2009-06-29 | Sphere, Unknown | Undisclosed |
| Vienna, Vienna (Austria) | 2007-07-28 | Sphere | 00:00:14 |
| Ivanka pri Dunaji (Slovakia) | 2006-10-31 | Light | 20s |
| Vienna, Vienna (Austria) | 2006-09-08 | Triangle | 00:05:00 |
| Wien (Austria) | 2000-10-28 | Circle | |
| Jaslovské Bohunice, Trnava Region (Slovakia) | 1993-07-13 | Circle | Undisclosed |
| Nickelsdorf, Burgenland (Austria) | 1991-07-10 | Triangle | Undisclosed |
| Wien (Austria) | 1906-11-11 | Other | 3 H |
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