Alessi 29* Open Cluster in Orion

Located at: RA 04 hours 49 minutes 24 seconds, Dec +10 degrees 41 minutes 00 seconds

Size: 10' Magnitude: -- Class: Open Cluster Remnant?

North is up

West to the right

Telescope:

 8" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -25c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 460 minutes (46 x 10 minute subs), 02/19/20/2012; seeing 2.5-3.4 FWHM per CCDStack

Processing:

 CCDStack 2.62.4434.29317, Photoshop CS5.1

Location:

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

Notes:*

Another field imaged from Sue French's "Deep Sky Wonders" column in Sky & Telescope. From February 2012, page 54. Also see Elosser 1 from the same column. Found by Brazilian amateur Bruno Sampaio Alessi. The bright grouping of stars to the northwest (upper right), is the bright center of NGC 1662