M 25 (IC 4725) Open Cluster in Sagittarius

Located at: RA 18 hours 31 minutes 45 seconds, Dec -19 degrees 07 minutes 00 seconds

Size: 32' Magnitude: 4.6 Class: I 3 m

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, 180 minutes (18 x 10 minute subs), 08/18/2007

Processing:

CCDStack 1.2, Photoshop 7.0

Location:

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

Notes:

Another large Messier open cluster in a rich Milky Way star field; listed size is larger than my vertical field (about 31').

No Current Visual Observation (IC 4725) from the NGC / IC Project: