Friday, February 15, 2019
How huge are prominences
This afternoon the Sun was covered with huge prominences. But how huge? I made some calculations and draw Earth next to the large prominence.
Gigantic Filament on the Sun
This afternoon I could observe some huge filaments or prominences. Observations done with SolarMax3 70/400 DS BF15 and pictures taken with Nikon D7500. Limited editing using CS4.
Thursday, February 14, 2019
Tuesday, February 12, 2019
Moon Phase and Libration
All details like the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2019, at hourly intervals can be seen via NASA Scientific Visualisation Studio through this link.
When entering the date and hour, just download the picture is this what you get :
What's happening with the camera industry
Not so good news from the camera industry. Decrease continious and mirrorless market is not picking up (yet).
Monday, February 11, 2019
Comet Iwamoto in constellation Leo
This morning a clear sky and perfect to make wide field picture of Comet C/20118 Y1 Iwamoto. The comet is not visible with the naked eye and even difficult to find in the picture.
Sunday, February 10, 2019
Comet C/2018 Y1 Iwamoto
The next days, take a look at the sky and search for Comet C/2018 Y1 Iwamoto. The comet can be seen (using a binocular) near and in the constellation Leo, the Lion. The brightness or magnitude depends on the the source and varias between 10.75 (The Sky live), 8.5 (Heavens Above) and 6.7 (Bright Comets). Closest approach is between Feb12 -13.
 |
| Credit Heavens-Above |
Subscribe to:
Posts (Atom)