Solar film and nebula filter for solar viewing?

[Craig.a.c (Craig)]

I am currently using badaar solar film to observe the sun and was wondering if using a nebule filter with it will show some detail on the surface of the sun?
Has anyone tried this?

Cheers - Craig.

[Craig.a.c (Craig)]

I will take it that no responses means it wont make any difference.

[casstony]

A green filter (in addition to a front solar filter) is the cheapest way to slightly improve white light views, and the Baader solar continuim filter is supposed to give a further incremental improvement. Try various filters you have to see what works - you can combine green/nebula filters to reduce bandwidth/brightness, though the image may be too dim if there isn't enough overlap of the passbands of the two filters.

[Craig.a.c (Craig)]

Originally Posted by casstony

A green filter (in addition to a front solar filter) is the cheapest way to slightly improve white light views, and the Baader solar continuim filter is supposed to give a further incremental improvement. Try various filters you have to see what works - you can combine green/nebula filters to reduce bandwidth/brightness, though the image may be too dim if there isn't enough overlap of the passbands of the two filters.

Thanks for the reply casstony. I have tried using yellow and green filters along with the solar film but they didn't seem to make much difference apart from making the sun appear yellow or green. I thought that since nebula filters enhance the hydrogen and helium it may do the same with the sun.

[astro744]

The bandwidth of a Lumicon Hydrogen Beta filter for example is 9 nanometres which equals 90 Angstrom.

The bandwidth of a typical solar filter that shows surface detail on the Sun (other than sunspots) is in the order of 1.0 Angstrom for the Coronado PST and 0.7A for the Coronado SolarMax. There are also filters available from Daystar at 0.6 & 0.5A and these show significantly more detail. Excellent thermal stability is also required for these filters to work.