5 replies to this topic

[gstrumol]

Seeing wasn't terrible this morning, so I took out the AT80EDL and TAL100RS refractors for some white light investigations with both the Lunt and Antlia 393nm wedges.

 

First up, the Lunt and the 80mm:

 

(click to enlarge)

 

I then switched out the Lunt wedge for the Antlia wedge, and took this full disk and zoomed-in shot (with a 2X Barlow):

 

(click to enlarge)

 

As expected, the Antlia gives an enhanced view of the faculae.

 

Edited by gstrumol, 15 April 2024 - 09:09 PM.

[gstrumol]

I then switched the AT80EDL for the TAL100RS, keeping the Antlia wedge:

 

(click to enlarge)

 

All images were from 20-30s videos with the Canon T7 DSLR.

Edited by gstrumol, 15 April 2024 - 09:10 PM.

[rigel123]

Nice ones Gary!

[gstrumol]

Thanks Warren!

[LYAstro]

This is a comparison of white light, narrowband（3nm）, and ultra-narrowband（0.5nm）

skyrover 72mm F6
Apollo-M mini IMX429
Antlia 5Å CaK（FWHM 0.5nm）
Antlia 3nm CaK Assembly
Antlia dualband Assembly（white light）

[gstrumol]

LYAstro - you squeeze even more out of the 3nm than I do!  Here's a collage from last year with just snapshots from a DSLR:

 

(click to enlarge)

 

But then again, it's your product so perhaps that's not surprising!