Quote:
Originally Posted by xelasnave
Hi Peter and welcome.
I have a RASA 11. ( and three other rigs)
Now not saying you can't do narrow band but it is a pain with a RASA changing filters and they get dirty.
You really need a dew shield and having a dew heater is a good idea...the dew shield makes changing filters a real drag but in my view you must have one.
Make something rather than shell out $75 for a Celestron unit.
In the end I replaced my mono set up with One Shot Colour and much happier now...part of this is due to running a Asiair plus...and it would be a shame to have everything automated but still having to change filters manually...I have three other scopes that I run narrow band with Asiair plus units and filter wheels etc ...sweet stuff.
For starters I would go for one shot colour but everyone's situation is different so just think about having to change filters long and hard which will Influence camera choice..either a two 2600 mm or a two 2600 mc...I love em...got three plus ZWO 1600 mono.
Don't worry about auto guiding for now if it causes too much stress financially..in fact I personally think it is a good idea to start without auto guide so as to better understand your mount and get it guiding at its best before you add auto guide. ...the Asiar plus will make getting polar alignment very easy and given the RASA is very fast you will be surprised what even 10 second subs will do..but getting 30 will still be easy ( maybe longer with your mount but find out from trial and error)...one of my best images was of m42 using only 10 second subs..plenty of nebulosity..and really I find going shorter subs beats poor seeing ..my reason for getting the RASA was to go as short as possible to get sharper images...look into " lucky imaging"... the idea seems to work.
You may have trouble getting back focus but don't freak out and remember these things are not always plug and play...and sent to build your character...
But you have a great astrograph and mount...two 2600 is the camera to get .
Alex
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Thanks Alex, I will include dew heater and look at making my own dew shield (do you have a material source that may be suitable?) always happy to save a buck.
The 2600 is probably a bit out of my price range for now, and ideally I'll try and get a second hand camera from here.
All good advice and will definitely hit you up for knowledge in the future if that's okay?
cheers
Pete