Deletion of Arp-Madore 1

Comment: per  and . The article has been improved since the nomination with references to multiple reliable sources in which this object was treated in depth. Nice work, David and Astrocog
Stance: keep
Cited policy: Wikipedia:The Heymann Standard (WP:HEY||WP:NASTRO)

Comment: I added a few of the more relevant SIMBAD hits as references to the article, and expanded its text from them. As the subject of multiple independent published works that have this object in their titles, it clearly passes  #3 and 
Stance: keep
Cited policy: Wikipedia:Notability (WP:NASTRO||WP:GNG)