Pelican and North America (creative LRGB) (Michele Campini)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: IC 5068 · IC 5070 · NGC 6989 · NGC 6997 · NGC 7000 · North America Nebula · Pelican Nebula · The star 55 Cyg · The star 56 Cyg · The star 57 Cyg · The star 60 Cyg

Pelican and North America (creative LRGB), Michele Campini

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Pelican and North America (creative LRGB)

Link: https://www.instagram.com/mcphotography76/

Powered byPixInsight

Pelican and North America (creative LRGB)

Link: https://www.instagram.com/mcphotography76/

A few days ago I had some problems with the ASKAR FRA400 and so last night I had to do some tests to see if everything was ok or not.
In particular I discovered (unfortunately) that my RGB Antlia filters are NOT parfocal on the FRA400 when I use its reducer which brings the focal length to 280 mm F3.9. Really a shame, but between the R and GB there is really too much difference in focus.
In fact, in this test I refocused for each filter used and the tube looks OK.
On the left side the stars at the edge are not perfect and it is the fault of the OAG-L that creates some (negligible) problems.
I chose this field to do my test and in the end I decided to elaborate the image in a pushed and creative way.
Nothing special, just a test.

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Pelican and North America (creative LRGB)

Pelican and North America (creative LRGB)

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