Harvard 20 (Lund 910, Cr 408) Open Cluster in Sagitta

Located at: RA 19 hours 53 minutes 12 seconds, Dec +18 degrees 20 minutes 00 seconds

Size: 6.0' (8.0') Magnitude: 7.7 Class: IV 2 p

North is up

West to the right

Telescope:

 8" f5 Newtonian reflector

Camera:

  ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56

Image:

Lumicon Deep Sky filter, 150 minutes (15 x 10 minute subs), 10/11/2007

Processing:

CCDStack 1.3, Photoshop 7.0

Location:

 Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s)

Notes:

Harvard 20 is one of those open clusters that is barely discernable in a rich Milky Way field ... it is about 28 arc minutes SSW of the Messier Globular Cluster M 71. According to "Star Clusters" by Brent Archinal and Steven Hynes, the size of this open cluster is 8.0 arc minutes