Here is a stacked set of M81 and a friend. This was taken from our observatory in souther Arizona. The tech details are:
- OOUK AG16 F/3.8 newtonian
- ZWO ASI094 OSC
- PAramount MEII
This is a stack of 5 hours of 300s unguided exposure processed with Astropixel Processor.
Please process and post your results in this thread. [Download it here] (http://downloads.hyperion-astronomy.com/M81_OSC.zip) (210MB)