(IAAC) Obj: M 27 - Inst: 24 cm dobsonian, f/6.6

[Natko Bajic]

Wow, +7.45 sky! I had once about 6.75, maybe even 6.8,
from my observation place, 40km from cities! Amazing,
but more than a half magnitude deeper looks incredible
from "normal" altitudes. That should be over 2000m or?
We in Croatia do not have so high mountains...

I saw color in M 42 once, with 12cm refractor, but
with averted vision only, and just in traces...

Regards,N.

--- Tudorica Alexandru <tudorica_a at yahoo.com> wrote:

> I did't used any sort of nebula filter, but i
> usually see different colours than others in nebulae
> and comets. I saw once on M 27 a green hue, but
> witht the 9 cm refractor, in +7.45 sky... I see
> colours in telescope very rare, only three times
> until now.
> Clear skies,
> Alex
> 
>  
>  
> 
> "Lewis J. Gramer" <lgramer at upstream.net> wrote:
> This was an interesting log, Alex. Were you using
> any sort
> of nebula filter (e.g., NarrowBand, UHC, OIII, or
> similar),
> when you noted the color of the Dumbbell as
> "yellow-red"?
> 
> Clear skies!
> Lew
> 
> 
> 		
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