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Astrojolo - Astronomy And Astrophotography Blog


astrojolo.com
Backyard amateur astronomy blog. Imaging, science, technics, processing, reviews.
2018-07-23 07:06
It is maybe worth to mention at the beginning, that M16 Eagle nebula was discovered neither by Messier nor by Herschel (as usual 🙂 ), but by Jean-Philippe de Chéseaux in 1745… Read More
2018-07-20 08:30
World today is flooded with data. This also applies to astroimaging amateurs. Modern CMOS cameras has a large number of pixels and single subframe after converting to RGB color can occupy se… Read More
2018-07-03 12:38
I have imaged NGC4565 already here and here, but on last Zatom astroparty I took a look onto this galaxy and could not resist to picture is again with 10″ telescope. Needle Galaxy is a… Read More
2018-06-28 10:29
Long time ago we have been doing astroimages with negative (or positive) film. We had one chance to take a long exposure photo. Then we have been given with CCD sensors – much more sen… Read More
2018-06-18 07:12
Messier 57 is a planetary nebula with all the consequences. It was formed about 7,000 years ago, when a dying red giant star expelled its shell of ionized gas to form the nebula. And this st… Read More
2018-06-14 07:15
Why we need to guide? Because mount mechanics are of limited accuracy, and once this accuracy is lower than our imaging setup resolution we need to guide. There are some mounts available equ… Read More
2018-06-11 14:06
Messier 106 is intermediate spiral galaxy in Canes Venatici. It was discovered by Pierre Mechain in 1791 and is located about 22 million light years from Earth. M106 is quite bright galaxy a… Read More
2018-06-09 08:55
NGC6765 (PK 62+9.1) is small (apparent Jupiter size) and faint (about 13mag) planetary nebula in Lyra. There is not much more information available on this strange planetary nebula. Distance… Read More
2018-06-07 11:33
Is it the same? Can we increase resolution just by making pixels smaller? In some cases we can, but quite often we cannot.  For this article scope I assume the sensors I describe have t… Read More
2018-06-06 06:55
Abell 61 is pretty faint and pretty ancient planetary nebula in Cygnus. It is located somewhere aroud 4,500 light years away and its age is estimated to 22,000 years. Central star apparent b… Read More

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