Ngc 6188

[tornado33]

Hi
Got this emission nebula complex in Ara 2 nights ago. Ive imaged it before but as the night was excellent conditions I did it again, but longer exposures
2 x 22 mins ISO 800
[IMG]http://www.iceinspace.com.au/forum/attachment.php?attachmentid=3453&stc=1
Baader UHCS filter used
Scott

[asimov]

Really nice shot Scott. :thumbsup:

[Orion]

:party2: :bowdown: I love it !!!!! :thumbsup:

[davidpretorius]

beautiful, roughly what mag do you need?

[tornado33]

Thanks :)
Its pretty faint, though with Orions scope at Kulnura it might be a good target for next viewing night :)
Scott

[tornado33]

I forgot to mention, the field is about 1.5 degrees across

[Orion]

Yep no problem it's on my list for next viewing night. :thumbsup:

[davidpretorius]

any easy way to work out degree of viewing. ie with 1250 fl and 25mm ep, what is the way to calculate degree of viewing?

[atalas]

What a great shot Scott! love the colour and deatail.

Louie :eyepop: :2thumbs:

[RAJAH235]

Really nice detail in that shot. Keep 'em coming. :D L.


Davo, the FOV in degrees can be worked out by dividing the E/Pc apparent fov by the mag. eg; a 25mm E/Pc with a 40??? deg app.fov in your t'scope @ 1250 mm,> 1250 div by 25 = 50 x. The apparent FOV then is 40??? div by 50 = .8 deg. # of Arc minutes > 60 X E/Pc deg, eg; 60 x .8 = 48 A/M. So if you have an object which is 45 x 20 A/M, you can select the correct wide field/low power E/Pc to find/view it ALL & then up your E/P to a higher power to pick out more detail.......... HTH. :D L.
ps. Don't know what the app fov is for your E/Pcs. Could be 50 degs. Anyone know?? L.

[davidpretorius]

thanks rajah,