Update names.dat (#3543)

nebulae/default/names.dat

@@ -143,6 +143,8 @@
 #      - NGC 5694: Tombaugh's Globular Cluster; Stars: A Practical Guide to the Key Constellations by Mark Westmoquette, Page120; https://books.google.com.hk/books?id=6uACEAAAQBAJ
 #      - NGC 3372: South Pillars (Region Name); http://annesastronomynews.com/photo-gallery-ii/nebulae-clouds/the-south-pillar-region-of-the-carina-nebula/
 #      - Galaxy Merger Gallery; https://blog.galaxyzoo.org/2012/08/21/galaxy-merger-gallery/
+#      - The Phantom Of The Opera Nebula; https://skyandtelescope.org/online-gallery/the-phantom-of-the-opera-nebula-sh2-173/
+#      - Valentine Rose Nebula; https://www.aapod2.com/blog/sh2-174
 #   U2K: Uranometria 2000.0 Volume 3, Deep Sky Field Guide
 #   SGN: Steve Gottlieb's NGC Notes; https://astronomy-mall.com/Adventures.In.Deep.Space/steve.ngc.htm
 #   ???: Source very much needed. Marked especially for objects which have a well-known name, where a new/alternative name does not help anybody.
@@ -1149,6 +1151,8 @@ SH2  157             _("Lobster Claw Nebula") # WK
 SH2  157             _("Californietto Nebula") # DSW
 SH2  158             _("Dreyer's Object")
 SH2  170             _("Little Rosette Nebula") # ABIN
+SH2  173             _("The Phantom Of The Opera Nebula") # MISC
+SH2  174             _("Valentine Rose Nebula") # MISC
 SH2  199             _("Soul Nebula") # WP
 SH2  211             _("Tribble Nebulae") # WP
 SH2  212             _("Tribble Nebulae") # WP