AR2822 WL (High Res), CaK, HA | May 14th 2021

[MalVeauX]

Hi all,

Stormed and rained so far this week, but this morning was clear, lower temps and pretty ok seeing conditions between gusts. AR2822 is still looking good with a nice penumbra around the spot in the photosphere and lots of interesting activity in the chromosphere and popping off little flares.

High Res Photosphere:

 

Moderate Res Chromosphere:

(Doh, mislabeled the wavelength.... sigh, lol, its 3934A)

 

 

 

 

 

 

Seeing Conditions:

Equipment:

120mm F10 Refractor (C6R masked)
2" Internal sub-aperture D-ERF (Baader Blue CCD-IR Block Filter) + Lunt CaK B1200 + 290MM sensor (CaK)
2" Internal sub-aperture D-ERF (Baader Red CCD-IR Block Filter) + PST Etalon + 2x 1.7A Blocking Filters + 290MM sensor (HA)

200mm F10 SCT + Full Aperture D-ERF
Baader Red CCD-IR Block Filter + Baader ND 3.0 Filter + 290MM sensor (Photosphere)

Very best,

[Davey-T]

Thanks for those Martin, it's nice to see whats up there other than grey clouds.

Dave