NGC 253 in mono

[Slawomir]

Hi all,

Being a narrowband junkie, I thought of trying to learn a bit more about LRGB imaging, and picked quite popular and bright NGC 253.

So far got only 12 hours of Lum (15-minute subs), acquired over 4 nights with high humidity and passing clouds. I hope in a few days we will get two clear nights allowing for RGB data collection.

A 105 mm scope may perhaps be considered as not the most suitable instrument for galaxy imaging, but we must image with what we have and learn to get the most our of it. I can feel a slowly but surely increasing aperture fever though...

Astrobin: https://www.astrobin.com/full/366082/0/

Full resolution: https://cdn.astrobin.com/thumbs/OFwHNXCJldwG_16536x16536_wmhqkGbg.j pg

Thank you for looking.
Suavi

[Lognic04]

simply SPECTACULAR!!
I don't know how you get so much detail and depth, especially at full size at 4k!

[Geoff45]

That’s good detail Suavi. There is a close pair of stars near the middle of the top edge. If you can split these in the image, then it’s a good image. I can split these in your image.

[willik]

Great image the detail:thumbsup:
Martin

[cometcatcher]

There's an amazing amount of detail in there. Yeah these clouds need to clear off before the Moon comes.

[multiweb]

That looks great Suavi. The dust lanes really popup. :thumbsup:

[Paul Haese]

That's looking good Suavi. Lovely stars from corner to corner (something I am very aware of at present) and nice detail in the galaxy as well as the tiny globs showing up.

[Slawomir]

Thank you all for a very nice feedback. Im quite happy with star shapes and would love one day to try something larger with this scope, like KAF16200 or even 11000. However, I am still not quite accustomed to the largish size of brighter stars when doing standard (non-narrowband) Lum. I have not tried reducing those bright blobs - perhaps their larger size is a mix of diffraction from a small aperture, small pixels (=shallow wells) and humid nights?

Tomorrow's forecast looks promising so hopefully I will be able to collect some RGB data.

[RickS]

That's a great result, Suavi, the equal of some images from much greater apertures.

[Placidus]

The Galactic Fountain vertical streamers came out really well, as did the faint outer halo. Yum !

[strongmanmike]

A great 253 Lum Suavi, especially for such a modest sized telescope, nice work :thumbsup:

Mike

[Slawomir]

Thank you Rick, Mike and Trish and Mike. Looks like we might have a clear night, so I shall attempt to capture a part of RGB data tonight.

[Atmos]

You’re definitely getting towards the upper limit of what a 4” will show there Suavi, well done :thumbsup:

[Ross G]

An impressive photo Suavi.


Sharp and great detail.


Ross.

[graham.hobart]

that is most excellent!:eyepop: