tr3 cluster with OAG

[alacant]

Hi everyone. Almost there with the OAG. I'd no idea how much flex or mirror movement there was in my setup. It seems that the longer the focal length -1200mm-, the worse it gets. Tighten and stiffen as you may, there's still a % of frames with elongated stars. That's not too bad at 2 minutes or so but becomes a pain losing several of 5 minutes or more.

Anyway, the latest chapter was to bin the guide camera; first time calibrations and not a single frame dropped with round stars all the way:)

Rather underwhelming cluster but served to test the binning with frames up to 6 minutes. Don't believe the horror stories you read about OAGs!

 

[wimvb]

Very nice starfield. Oag seems to work briliantly.

[Atreta]

Very good, stars colors look great. 

[AKB]

Good to hear.  Very encouraging... I believe that I'll be getting one for Christmas!!

 

[jjosefsen]

Which guide cam are you using?

[alacant]

9 hours ago, jjosefsen said:

Which guide cam

t7 monochrome: