[tilbrook@rbe.ne (Justin Tilbrook)]

Originally Posted by jjjnettie

Very rich Justin.

Thanks jjj!

Originally Posted by cometcatcher

It's probably not a good comparison since to get anything at all from it I have to use a Deep Sky filter. These were taken back in September before it got really hot. I found that adding subs after September actually made the final image worse.

The single frame is roughly 3 minutes at ISO 1600 and deep sky filter, the stack is about two hours worth through an ED80 at F5.5. As you can see, I need a better camera for Ha. It does alright for comets which are mostly greenish, but Ha is terrible.

Thanks Kevin!

Here's a single 8 minute sub iso 800, yours actually looks like it has more response in the red.

Cheers,

Justin.