DS1 is a large faint planetary in Vela discovered by John Drilling in 1981 and very little observed or imaged since. This one is very different from my previous posting of Abell 24. Abell 24 had very little OIII so was predominantly red. DS1 is strong in OIII and therefore appears blue green. There appears to be some faint Ha nebulosity in the field.
The data for this one was more difficult to obtain than usual thanks to Microsoft and their lousy Windows 10 updates.
Cheers
Steve
http://members.pcug.org.au/~stevec/D...L6303_RC14.htm