just trying to work out what causes coma in an sct

[TJD (Trevor)]

just wondering what causes coma in an sct i would like to get rid of the coma in my sct but first i need to learn what causes it

[Bassnut (Fred)]

Lack of money. (for an RC)

[TJD (Trevor)]

Originally Posted by Bassnut

Lack of money. (for an RC)

ok but what causes it and lack of money bassnut you said lack of money to me yes thats right to me you can buy me one go a head please

[chris lewis]

Some info which may help;

http://www.astrosurf.com/luxorion/reports-coma.htm

http://www.cloudynights.com/item.php?item_id=1847

Chris

[AlexN]

If you want to get rid of the coma from your SCT, buy a F/6.3 reducer/corrector.. They are relatively cheap and reduce the coma significantly. Should you want to remove the coma without reducing the system from F/10, then you could PERHAPS have a custom made lens element made to do the job.. although that would be pricey..

[mozzie (Peter)]

Originally Posted by TJD

just wondering what causes coma in an sct i would like to get rid of the coma in my sct but first i need to learn what causes it

it doesnt realy bother me buy some good quality eyepieces and keep the object in the centre that is the sweet spot there aint no coma there
mozzie

[TJD (Trevor)]

Originally Posted by chris lewis

Some info which may help;

http://www.astrosurf.com/luxorion/reports-coma.htm

http://www.cloudynights.com/item.php?item_id=1847

Chris

great websites the first one is alot on other things that i love reading about and the 2nd one is great it gets straight to the piont great web sites thanks