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Monthly archives: november, 2021

Sun, Hα, 2021-11-21

ASI 178MM (cooled), 0.5x, B600, Lunt LS60T Ha, mountpusher, EQ3-mod

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Sun, CaK, 2021-11-24

ASI 178MM (cooled), Baader K-Line Filter 1.25″ (double stacked), TS-Optics 76/342 TS76EDPH, mountpusher, EQ3-mod

 

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The Sun in Calcium K, 2021-11-28

ASI 178MM (cooled), Baader K-Line Filter 1.25″ (double stacked), TS-Optics 76/342 TS76EDPH, mountpusher, EQ3-mod

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Venus, through IR650 and IR850, 2021-11-17

EQ3-mod, MC102/1300, IR pass 650, automated filter wheel, ASI 178MM (cooled), ersatz-obsi, mountpusherIRpass  850

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Saturn and some of its moons, 2021-11-25

EQ3-mod, MC102/1300, TSO ADC, automated filter wheel, ASI 462MC (cooled), ersatz-obsi, mountpusher

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Jupiter and Io, 2021-11-25

EQ3-mod, MC102/1300, TSO ADC, automated filter wheel, ASI 462MC (cooled), ersatz-obsi, mountpusher

900 frames out of  ~3200 frames. 2021-11-25, 17:05Z, two minutes.

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Sun, CaK, 2021-11-25

ASI 178MM (cooled), Baader K-Line Filter 1.25″ (double stacked), TS-Optics 76/342 TS76EDPH, mountpusher, EQ3-mod,18x3minutes,  the best  300  frames from each sub, stacked.

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The Sun, through filters

While I have a few theories about why the UV, through glass, looks the way it looks, I’ll leave the theory out.

ASI 178MM (cooled), %filter%, TS-Optics 76/342 TS76EDPH, mountpusher, EQ3-mod with either ND5 or ND3.8, as the band pass filter asks for it.

Also, I updated the filterwheel’s firmware. If you are wondering why it’s not on github, wonder about microsoft a bit.

One can see how limb darkening is truly stronger in the blue end of the spectrum, and that for most intents and puproses, the Calcium K yields the second best amount of detail, after the… hydrogen alpha. The solar continuum is, comparatively, useless for full disk images.

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The Moon on 2021-11-13

ASI 462MC (cooled), TS-Optics 76/342 TS76EDPH, mountpusher, EQ3-mod

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Sun, CaK, 2021-11-12

ASI 178MM (cooled), Baader K-Line Filter 1.25″ (double stacked), TS-Optics 76/342 TS76EDPH, mountpusher, EQ3-mod

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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.).