Tuesday, July 24, 2018

M17 The Swan Nebula

The sky is bright due to a waxing moon (85%). So it was difficult to make observations of Deep Sky object. Below is a picture of M17, The Swan or Omega Nebula and M18, a open cluster.
No filters are used and no stacking. The single shot is edited using CS4.


Sunday, July 22, 2018

Asterism STAR27 the Toadstool

Last night I took some time to search for asterism STAR27 in Delphinus. East of the Dolphin 13 stars make the asterism mushroom or toadstool.


Moon 71%


The Moon this evening, 71% illuminated and less then one week before the Lunar Eclips.

Saturday, July 21, 2018

End of Astronomical Twilight

This weekend, it's the end of the Astronomical Twilight. The night will be dark again as the Sun will be below the horizon for more then 18°. So between 01h05 and 02h30 it should be dark enough to make your observations. Mars is the currently the brightest object of the night sky and can be seen low (14°) above the South-Eastern horizon.


Mars the Red Planet low above the South-Eastern Horizon

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Thursday, July 19, 2018

Andromeda Galaxy M31, M32 and M110

Trying to optimize the results from pictures taken earlier this week. In total 48 pictures were taken eacht with an exposure time of 30s and ISO6400. I removed all pictures with "startrails" and stacked the remaining using Deepskystacker. The result is saved as Tiff16bit as this is the max. I can edit with CS4.

Nikon D7500 TLAPO 80/480 f/6 ISO6400 20minutes

Wednesday, July 18, 2018

The area of Sagittarius M20, M21, M22, M23 and M25


Some pictures made in the constellation Sagittarius :

Messier M20 - The Triffid Nebula; an emission nebula
Messier M21 - Open Cluster
Messier M22 - Globular Cluster
Messier M23 - Open Cluster
Messier M25 - Open Cluster

All pictures are taken with Nikon D7500 and refractor TLAPO 80/480 f/6 without filters.