DoDz 7 (Lund 741) Open Cluster in Hercules

Located at: RA 17 hours 11 minutes 26 seconds, Dec +15 degrees 28 minutes 35 seconds

Size: 10' (6.0') Magnitude: -- Class: IV 1 p

North is up

West to the right

Telescope:

 8" f5 Newtonian reflector

Camera:

  ST-8XME, self-guided, binned 1x1, temp -20c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 230 minutes  (23 x 10 minute subs) 06/18/2010; seeing 2.2-3.0 FWHM per CCDStack

Processing:

CCDStack 2.6.3800.24688, Photoshop 7.0

Location:

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

Notes:

According to "Star Clusters", by Brent Archinal and Steven Hynes, the size of this open cluster is 6.0 arc minutes