IC4901 Supernova 21 Oct 2011 discovered by Greg Bock CDK17 ML8300 70mins 2x2 -35C.jpg
FLI MIcroline 8300 at -35C,Planewave CDK17 at F6.8,Astrodon Gen 11 filters
Taken last night (Friday) at my home observatory in NSW under reasonably good conditions (a bit of hazard reduction burnoff smoke around).
full exif
