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Monthly archives: december, 2017

Jupiter 2017-06-03

2017.12.26.
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During the night of 2017-06-03-04.

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NGC 281 Pacman Nebula

2017.12.25.
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NGC 281 Pacman Nebula

During the summer, I imaged the Pacman Nebula, NGC 281 [open cluster+nebula in Cas]  7m ø25′ [wiki] [simbad] 750mm using the usual setup, N 150/750, Baader MPCC Mark III, Canon 1100D mod, HEQ5, guided by the resurrected gear,  and acquired 25×5 min at ISO 1600.

(tovább…)

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The Large Magellanic Cloud – LMC

2017.12.25.
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the LMC

The LMC is the largest of the satellite galaxies of the Milky Way. Its surface brightness is higher than that of our galaxy’s. The LMC hosts the most active starburst region known in the Local Group of galaxies, the Tarantula Nebula. I acquired 47×3 min, ISO 800 with a 50 mm f/1.8@f/4.5 on the Canon 1100D mod. During my visit to Namibia, the Magellanic Clouds’ position was the least favorable, thus the pictures aren’t the best. The orange hue on the raw image is due to the strong airglow we’ve encountered, there was no light pollution.

(tovább…)

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The Small Magellanic Cloud

2017.12.25.
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SMC

I imaged the satellite of the Milky Way from Namibia during my 2016 visit. I acquired 21×2 min, ISO 800 with a cheap 50 mm f/1.8 dialed to f/2.2, with the Canon 1100D mod, from the HEQ5 mount. The considerably orange background is no light pollution, it is airglow.

The other prominent objects are 47 Tuc cluster: C 106, NGC 104 [globular cluster in Tuc] 47 Tuc 4m ø50′ [wiki] [simbad] 750mm and another, fainter globular cluster, the C 104, NGC 362 [globular cluster in Tuc] 6.8m ø12.9′ [wiki] [simbad] 750mm. The brighest patch in the SMC is the open cluster and associated nebulosity  NGC 346 [open cluster+nebula in Tuc] 10.3m ø14′ [wiki] [simbad] [photo-planner], which is actually located in that galaxy.  (tovább…)

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Jól kalibrált monitoron mindegyik számnál elkülönülő árnyalat látszik. Ha mégsem látszanak, akkor a megjelenített képek színhiányosan rajzolódnak ki. A monitort valószínűleg kalibrálni kell.

You should see distinct shades for each number. If those shades are not clearly visible, the displayed pictures will lack accuracy. Your display most likely needs to be calibrated (brightness, gamma, contrast etc.).