Ko Hummel's photos

Hohenzollernfestung Wülfsburg

Teufelshöhle

18 Oct 2021 11 6 30
HFF to all Ip members A tour through the caves near Pottenstein. The fences in the cave were very disturbing but necessary. Taking pictures without tripod a roulette

Astrolabium (um 1180)

14 Oct 2021 15 3 34
Gesehen im Germanisches National Museum in Nürnberg Ein Astrolabium ist ein scheibenförmiges astronomisches Rechen- und Messinstrument. Mit ihm kann man den sich drehenden Himmel nachbilden und Berechnungen von Sternpositionen vornehmen.

Halbherziger Herbst

Klappsonnenuhr des Regiomontanus

14 Oct 2021 14 7 33
Gesehen im Germanisches National Museum in Nürnberg Regiomontanus (1436-1476) war ein berühmter Mathematiker und Astronom der lange in Nürnberg verblieb. Auf dem Mond ist einen Krater nach ihn benannt worden de.wikipedia.org/wiki/Regiomontanus

Urania, muse of astronomy

17 Oct 2021 8 2 27
Painting by Ferdinand Wagner. Seen in Schloss Ratibor in Roth

Moon meets Venus

N 6543: Cat's eye nebula

05 Oct 2021 9 3 40
Oben Bild: Katzenaugenebel, ein blauer Punkt inmitten viele schwache Sterne. Canon 700D mit Tamron f=188 mm, f/2,8, ISO 1600 T=4x15 sec. Da muss das Teleskop nochmal ran. Unten: Ausschnitt Karte Stellarium (freeware) Der Katzenaugennebel (NGC 6543) ist ein Planetarischer Nebel im Sternbild Drache am Nordsternhimmel. Er ist strukturell einer der komplexesten unter den bekannten Nebeln. Hochauflösende Aufnahmen des Hubble-Weltraumteleskops enthüllten außergewöhnliche Strukturen wie Knoten, Jets und bogenartige Merkmale. Visuell ähnelt er dem Katzenauge und wurde entsprechend benannt. Er wurde am 15. Februar 1786 vom deutsch-britischen Astronomen Wilhelm Herschel entdeckt und war der erste Planetarische Nebel, dessen Spektrum untersucht wurde (durch den Amateurastronomen William Huggins 1864).

Neptune's movement

05 Oct 2021 8 1 30
Two pictures of Neptune, showing the movement of this planet. The Pip shows the Fraunhofer telescope with which Galle observed the planet Neptune in 1846. This telescope is at the Deutsches Museum in München. Neptune is not known to be visible to the unaided eye and is the only planet in the Solar System found by mathematical prediction rather than by empirical observation. Unexpected changes in the orbit of Uranus led Alexis Bouvard to deduce that its orbit was subject to gravitational perturbation by an unknown planet. After Bouvard's death, the position of Neptune was predicted independently, by John Couch Adams and Urbain Le Verrier. Neptune was subsequently observed with a telescope on 23 September 1846 by Johann Galle within a degree of the position predicted by Le Verrier. Wikipedia

N 6946 (galaxy) and N 6939 (open starcluster)

05 Oct 2021 11 2 36
Left pictures (pos and neg): Canon 700D, T=15 sec, f=85 mm, ISO 1600, f/2, 50% cropped Right picture: Canon 700D attached to telescope, T=5x1 min, ISO 3200, f=750 mm f/5 The picture is an area in the constellation Cepheus. N 6939 is an open starcluster in "our" Milkyway and is at a distance of ~3900 Ly. N 6946 is a galaxy like "our" Milkyway and is at a distance of 20 Mio Ly

Saison ist zu Ende

09 Aug 2021 18 14 56
HBM to all Ip members

Erntedankfest

03 Oct 2021 18 11 38
Die Quitten sind verarbeitet.

Rumänisch Orthodoxe Kirche in Sögel

13 Aug 2021 31 24 71
HFF to all Ip members

Senioren, rein ins Vergnügen

Neptune, a needle in an haystack

29 Sep 2021 9 2 39
Being in a region without bright stars and a by times cloudy sky (see white streaks) made it difficult to find Neptune.To be continued Black dots are stars on the map. White dots are stars on the photo. Neptune is the eighth and farthest known Solar planet from the Sun. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth, slightly more massive than its near-twin Uranus. Neptune is denser and physically smaller than Uranus because its greater mass causes more gravitational compression of its atmosphere. The planet orbits the Sun once every 164.8 years at an average distance of 30.1 AU (4.5 billion km; 2.8 billion mi). It is named after the Roman god of the sea and has the astronomical symbol ♆, a stylised version of the god Neptune's trident or the Greek letter psi. Neptune is not known to be visible to the unaided eye and is the only planet in the Solar System found by mathematical prediction rather than by empirical observation. Unexpected changes in the orbit of Uranus led Alexis Bouvard to deduce that its orbit was subject to gravitational perturbation by an unknown planet. After Bouvard's death, the position of Neptune was predicted independently, by John Couch Adams and Urbain Le Verrier. Neptune was subsequently observed with a telescope on 23 September 1846[1] by Johann Galle within a degree of the position predicted by Le Verrier. Wikipedia

Mond am Morgenhimmel

Der König und sein Gefolge

26 Sep 2021 27 10 61
Quittenernte 2021, da kann wieder Quittenmus, Quittengelee, Quittenlikör und Quittenschnapps gemacht werden.

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