photonenblende

Upstream

[imagetalk - series 10] Today I will continue my photography series with a long time exposure. I took this picture in the beautiful Ore Mountains, near the city...

A new detailed model of Churyumov-Gerasimenko by the MiARD project

The MiARD project (Multi-Instrument Analysis of Rosetta Data) lasted 30 months and was led by Professor Nicolas Thomas from the University of Berne. This projec...

Merging stars in the constellation Cygnus which you could observe and witness

According to Professor Larry Molnar of Calvin College in Michigan, there will be a big event in the constellation Cygnus in the next few years. It should come t...

Die Andromedagalaxie - Messier 31

Die Andromedagalaxie ist die uns am nächsten gelegene, größere Galaxie in unserer intergalaktischen Nachbarschaft. Sie befindet sich im Sternbild Andromeda, in ...

The Andromeda Galaxy - Messier 31

The Andromeda Galaxy is the next bigger galaxy in our intergalactic neighborhood. It is part of the constellation Andromeda in the northern hemisphere. Its dist...

Lunar eclipse

The lunar eclipse or Blood Moon this weekend was, besides the Mars opposition, the celestial highlight of the month. Of course, I did not miss the opportunity t...

Astronomical observations #9 : Andromeda Galaxy (M31)

Hello! Another deep-sky object that is worth seeing is M31, a large galaxy in Andromeda, this is the brightest galaxy seen from the northern hemisphere. Under t...

The Leo Triplett - Messier 66 Group

The Leo Triplet is a group of 3 galaxies in the constellation Leo in the northern hemisphere. The group contains the galaxies Messier 65, Messier 66, and NGC 36...

The Moon

Hey dear steemians, I have tried to take a picture of the moon with my small telescope and my guiding cam. This was some experimental, to test a different appro...

The Andromeda Galaxy - Messier 31

Hey dear steemians, I was able to collect new photons from the Andromeda Galaxy. The conditions where quite suboptimal, but I tried to process it anyway. Now th...

Photography and UV-filters - sense or nonsense?

After the great response to my German article I decide, to translate it into English. Introduction Have you ever bought a new lens and the seller was asking you...

Timeline Of The Far Future: Experimental !!

Hello wonderful people on Steemit! A very warm greetings to one and all. Hope you all are doing well in your life! This article is with deep regards and love fo...

The Pleiades - Messier 45

The Pleiades are an open star cluster that is located in the constellation Taurus in the northern hemisphere. They are located at a mean distance of about 440 l...

Lessons lerned- Landing Stage Covered by Clouds [imagetalk-en #9]

Today I like to talk about some important details by making photographs. Landing Stage Covered by Clouds - (24 mm / f/8 / ISO 200) [Nikon D50/ Tamron SP 24-135 ...

Building a Bluetooth adapter for the Skywatcher AZ-EQ6 telescope mount

This Post will show you, how you can easily build a Bluetooth adapter for your AZ-EQ6 mount to control it wirelessly from a computer with EQMOD . This should al...

Basic astrophotography image processing with PixInsight - Stacking

This post is only a small kind of index/overview, so that the individual parts get better found in future and that it is easier to refer or link to the steps of...

Einführung in die Bildverarbeitung von Astrofotos mit PixInsight - Stacking

Dieser Post ist nur eine kleine Übersicht/Verzeichnis, sodass die einzelnen Teile besser verlinkt und gefunden werden können.   Bildkalibrierung und Stacki...

The Streets of Hanoi [imagetalk-en #8]

The Streets of Hanoi - (24 mm / f/60 / ISO 1600) [Nikon D50/ Tamron SP 24-135 mm f/3.5-5.6] There are some cities on earth, where rush is everywhere. Hanoi is o...

UV-Filter in der Photographie - Sinn oder Unsinn?

Kennt Ihr das, Ihr kauft ein neues Objektiv und der freundliche Fachverkäufer bietet Euch zugleich einen UV-Filter als Schutz für selbiges an? Nun steht Ihr als...

23 Beautiful Animal Photos

Animalphotography photography contest winners [](https://cdn.steemitimages.com/DQmYexFB9T9KjdAm77Vjeqxm1gkBrbuU7Equ7iSdjgP4w6k/DSC02124.JPG) Click on image to v...