Thank Andrew.
these were taken on my 12" f4 newt which is on an eq8.
RGB subs were 70 seconds at iso 1600 and the OIII subs were 4 minutes @ iso 1600. if I could take longer subs more OIII would pop out of the area but the noise was too much i'm limited to 70 second exposures on rgb because of light pollution - I have ordered a light pollution filter which will allow an increase in the sub time (a cooled camera would increase the sub time even more).
the camera was a modified canon 600d. I think the total integration time was about an hour and 45 mins or so.
Thats a great amount of info that I am trying to digest, how does one measure the temp of the camera? I have been given a cooler box by a fantastic member on here, is it purely measured by the temp probe in the box or is there more to it? I have just bought myself a Nikon D5300, not specifically for this, which is better CCD or DSLR?
i use an off axis guider to guide the mount and have a RCCI coma corrector. i used to use a MPCC (coma corrector) with the OAG but to use a filter would have meant i would have to use a clip in filter (specialised for canon cameras) as the MPCC has a shorter spacing distance. i wanted a filter i could use on other systems (2"). I would recommend the RCCI over a MPCC as it allows greater flexibility in guiding and filter choices due to its greater spacing.
I am trying to understand all of this so that I will be prepared for when I start. Maybe even picking up the odd item as they become available via this forum.
I stacked the images in Deep Sky Stacker and processed the stack in photoshop. i did have some trouble blending the OIII to the rgb because the frames weren't that close. so ended up doing it in photoshop manually.
http://www.iceinspace.com.au/forum/s...d.php?t=132073
I have downloaded various programs and am "playing" with them to start getting a feel for it. I have a background in photography and a good knowledge of computers. Although I have only just bought my first real DSLR, others have been cheap point and click cameras.
if you are looking at getting a new system you won't need that much aperture an 8" newt on a HEQ5 or NEQ6 will give great results.
i hope that makes sense!
Cheers,
Russ
I have recently purchased a secondhand 200mm Newtonian F5 Skywatcher off here. I have not used it yet as I am sorting out what to mount it on. Like all others the budget comes in to play here. I am debating a little between piers and tripods.
Also, I live on a farm, the nearest town (Orbost) is about 15-20 minutes drive, so great dark skys, open paddocks with some trees to dodge. The down side to this is no local community to engage in the learning. All of it so far is on here and other forums/websites. I am trying to convince the good lady wife that we need to attend a star party, but distance is hard.
Again, thank you for your response, it is helping me form a picture (pun intended) of what is required.
Cheers
Andrew