Celestial hemisphere:  Southern  ·  Constellation: Tucana (Tuc)  ·  Contains:  47 Tuc Cluster  ·  NGC 104
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47 Tucanae - NGC104 (L)RGB, andrea tasselli
47 Tucanae - NGC104 (L)RGB
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47 Tucanae - NGC104 (L)RGB

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47 Tucanae - NGC104 (L)RGB, andrea tasselli
47 Tucanae - NGC104 (L)RGB
Powered byPixInsight

47 Tucanae - NGC104 (L)RGB

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Description

This is my first image from Skygems - Namibia and of the many gems of the southern sky I choose to go after 47 Tucanae, possibly the finest globular cluster in the entire sky. It is also so far south that you really need to go south of the equator to have a proper squint at the companion of the SMC.

This said it wasn't all smooth sailing. I would never have thought that from the darkest skies of Namibia there would be any issue with flat fielding and I was wrong. I had to struggle to get this one right. Almost as much as they had to struggle to get the 3 frames I needed to produce a RGB colour image (3 attempts to get to the end of it and I was despairing to get to the bottom of it). Add to this the issues with the image plane tilt, which meant that the field is slightly astigmatic and of different degree in different nights/colour filter. Still, in the end I managed to see it. In a way, if you see what I mean...

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47 Tucanae - NGC104 (L)RGB, andrea tasselli