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Deep into AR2740, High Res | HA, WL, CaK | May 7th 2019


MalVeauX
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Heya,

Foggy this morning, no hopes for anything on my last day before returning to work. Late morning there was a patch of blue, so I scampered outside into the observatory and fired up the Edge. Seeing was ok. Not superb, but ok enough to push the imaging scale with the 8". I mainly wanted to get deep into AR2740 in red wavelength to see into the spot and not just around it and managed to get some material in there that is quite interesting. Then gathered some HA and tested the CaK waters a bit. I managed a little bit on AR2741, but the seeing didn't cooperate and clouds rolled in, so I didn't get past HA with it. Towards the end I lowered the imaging scale to get both spots and partial and full discs in HA & CaK.

B&W:

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Colored:

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Equipment:

C8 Edge HD + Aires Triband D-ERF
*Daystar Quark Chromosphere + Baader UV/IR block + 0.5x FR + IMX174 (HA)
*Baader 610nm + Baader ND1.8 + Baader UV/IR block + 2x Barlow + IMX174 (WL)
*Baader Blue CCD-IR Block + 387+/-11nm + 393nm 1A + 2x Barlow + IMX174 (CaK)
ST80
*Daystar Quark Chromosphere + Baader UV/IR Block + IMX174 (HA)
*Masked to 40mmF10, Baader Blue CCD-IR Block + 387+/-11nm + 393nm 1A + IMX178 (CaK)

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Very best,

Edited by MalVeauX
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Super stuff as per Martin, good to see that lighter area to the rear of AR2741 is actually there, conditions were so bad here I thought it was a stacking artefact in my image :grin:

Dave

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