[M]: Re: "Spitting" Eta Orionis
| Subject: | [M]: Re: "Spitting" Eta Orionis |
| From: | =?iso-8859-1?Q?Joaqu=EDn_Garz=F3n?= |
| Date: | Sun Nov 26 16:23:42 2000 |
> Fellow Mapugers,
> I was out observing last night with my 10" LX200, and a beautiful night it
> was, and swung my scope around and took a look at Eta Orionis. My
database
> of double stars said it was a double of 3.8 and 4.8 Magnitude stars at 1.5
> arc seconds apart. I was using a 10mm Radian (250X) and couldnt quite
get
> a clean split, although there was some upper level wind and the stars were
> twinkling pretty good, I was hoping for a better split. I did look at
them
> with a 12" LX200 with pretty much the same results, however, an 18" Dob
> cleanly split them at 300X. Does anyone know the theoretical limit for
> splitting doubles on a 10" LX200? Has anyone cleanly split this pair
under
> ideal conditions? Just curious.
Scott
You should definitely be able to split Eta Orionis clean and wide with your
10". Ive done it with my ETX-90. But wait for good seeing and make sure
your scope has been out in the cold long enough. If then you still cannot
split it I would check collimation.
Good luck!
Joaquin Garzon
8" Lx-200
Brooklyn, NY
> Oops, when you spit Eta Orionis, just do it downwind.
:-)
> I was out observing last night with my 10" LX200, and a beautiful night it
> was, and swung my scope around and took a look at Eta Orionis. My
database
> of double stars said it was a double of 3.8 and 4.8 Magnitude stars at 1.5
> arc seconds apart. I was using a 10mm Radian (250X) and couldnt quite
get
> a clean split, although there was some upper level wind and the stars were
> twinkling pretty good, I was hoping for a better split. I did look at
them
> with a 12" LX200 with pretty much the same results, however, an 18" Dob
> cleanly split them at 300X. Does anyone know the theoretical limit for
> splitting doubles on a 10" LX200? Has anyone cleanly split this pair
under
> ideal conditions? Just curious.
Scott
You should definitely be able to split Eta Orionis clean and wide with your
10". Ive done it with my ETX-90. But wait for good seeing and make sure
your scope has been out in the cold long enough. If then you still cannot
split it I would check collimation.
Good luck!
Joaquin Garzon
8" Lx-200
Brooklyn, NY
> Oops, when you spit Eta Orionis, just do it downwind.
:-)
