Halo, Upper Tangent Arc, Sundogs and Circumzenithal arc

Combination of 2 pictures with on top the bright circumzenithal arc and 46° halo
In the middle the upper tangent arc and left/right from the Sun are sundogs.

Last Sunday, Sept 16 UT16h00, different halo's could be observed around #Averbode, #Diest, #Wolfsdonk.
Beside the two sundogs, east and west from the sun, a very bright circumzenithal arc could be seen at the zenith. Between the Sun and the circumzenithal arc is the faint upper tangent arc. Both 22° and 46° halo showed up aswell.

Sundogs, 22° Halo and upper tangent arc

Autumnal Equinox : start of Autumn

At 3h54 local time (UT1h54) the Sun is exactly above the Equator and day and night are of equal length;  In the Northern Hemisphere the autumnal equinox marks the beginning of Autumn.

Lezing Ruimteweer

Binnen enkele minuten start de lezing over de gevaren van Ruimteweer. Deze gaat door in de volksterrenwacht Mira te Grimbergen. De lezing wordt verzorgd door Prof Stefaan Poedts van KU Leuven.

NGC Open and Globular Star Clusters

Astropictures of a couple of NGC Open and Globular Star Cluster.

NGC 6633 : Open Star Cluster - Italy Cluster
NGC 6517 : Globular Star Cluster
NGC 6709 : Open Star Cluster - Flying Unicorn
NGC 6760 : Globular Star Cluster
NGC 6535: Globular Star Cluster

All pictures taken with Nikon D7500 on refractor TLAPO80/480 f/6. Pictures in DNG and stacked using DeepSkyStacker with final editing in CS4.

Plane with Pleiades M45

Funny, plane crossing Pleiades M45.

21P Giacobini-Zinner

Comet 21P Giacobini-Zinner this morning UT02h13. Setting ISO1600, 30s, single shot.

Pleiades Messier M45

Restacking my 77 pictures using DeepSkyStacker to remove the planes :)