Dreiecksnebel M33 (Christian Großmann)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: HD9269 · HD9483 · HD9686 · IC 131 · IC 132 · IC 133 · IC 135 · IC 136 · IC 137 · IC 142 · IC 143 · M 33 · NGC 588 · NGC 592 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel

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Dreiecksnebel M33

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Dreiecksnebel M33

Voller Enthusiasmus versuchte ich die letzte Nacht zu nutzen, um mich an einer Galaxie zu versuchen. Bereits bei den Einzelaufnahmen ließen sich die Schwächen meiner Montierung erkennen. Die EOS M50 mit 1,4x Teleconverter und dem Canon EF 300mm f/4 L komme ich auf eine Gesamtbrennweite von 672mm. Damit sollte sich die Galaxie ablichten lassen. Leider scheint diese Brennweite jedoch für die Exos-1 Montierung außerhalb des sinnvollen Bereichs zu liegen, da die Einzelaufnahmenmit 120s bei 2500 ISO bereits etwas ovale Sterne zeigten. Für die schwachen Details der Galaxie konnte ich jedoch nicht näher an den günstigeren ISO-Bereich von 1600 zurückgehen. Noch längere Belichtungszeiten dagegen hätten die Einzelaufnahmen ebenso negativ beeinflusst. Das Resultat ist nicht zufrieden stellend. Eine höhere Anzahl an Einzelaufnahmen war in dieser Nacht leider nicht drin und ich musste einige schlimme Frames aus der Berechnung des Endbildes herausnehmen. Übrig blieben 22 Frames a 120s bei ISO2500 mit hohem Bildrauschen. Ich habe gelernt, dass ich hier wohl über die Grenze meines Equipments gegangen bin. Hoffentlich habe ich das Geld für eine EQ6 bald zusammen...

Auch negative Ergebnisse können zum Erfolg führen. Leider aber noch nicht bei diesem Bild.

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	4837413
PixInsight job	SK6LXZOSDHFUFE38JMDWU2U8ZBN9OLT0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h34m02s.54
RA (top/left)	01h30m56s.30
RA (top/right)	01h31m15s.11
RA (bottom/right)	01h37m05s.31
RA (bottom/left)	01h36m53s.28

Dec (center)	+30°39′20″.6
Dec (top/left)	+31°35′10″.2
Dec (top/right)	+29°41′06″.9
Dec (bottom/right)	+29°43′16″.0
Dec (bottom/left)	+31°37′20″.0

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Dreiecksnebel M33

Dreiecksnebel M33

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