Hi all,

Here’s my first attempt in using the Baader Ca filter (thanks for the loan!) to detect Venus clouds.
This filter (395nm, just 8nm bandpass) delivered a sharper and steadier live image than any else UV pass filter I used so far!
Same shutter and gain levels as before.
The contrast was a tad lower but this is can be fairly compensated by a larger UM or wavelet.

Notice that bright cloud on the top-left corner which recalls the McNaught comet in a some way!
Seeing was nice, transparency good. The Sun was still nicely high above the horizon when shooting.