Target Type R. A. Dec. Constellation Magnitude Size NGC 7092 (Caldwell 39) Planetary Nebula 07h 29m 11s +20° 54′ 37″ Gemini 9.19 0.8×0.7 arcmins Overview This is a tough challenge for any scope. Not to see it as a star – it’s bright and shows up in all scopes – but to observe the nebulosity. …
Target Type R. A. Dec. Constellation Magnitude Size M39 (NGC 7092) Open Cluster 21h 31m 48s +48° 26′ 00″ Cygnus +4.6 29 arcmins Overview This is a large cluster in area – about the size of the full moon – with perhaps only 30 stars bright enough to be seen in our backyard telescopes. In …
Target Type R. A. Dec. Constellation Magnitude Size M29 Open Cluster 20h 23m 57s +38° 30′ 00″ Cygnus +6.6 10.0 arcmins Overview When Charles Messier first glimpsed this cluster in 1764, he thought it contained “seven or eight very bright stars”. We now know that the cluster contains at least 80 stars (and maybe as …
