Object Notes:

• Constellation: Orion
• Location: RA: 05h 35m 16.5s Dec: -05d 23' 22" Epoch 2000
• Type: Multiple Star in Diffuse Nebula
• AKA: Trapezium, Theta Orionis

Instrument:

Ritchey-Chretien 32" Telescope

Focal Ratio:

f7.2 (prime focus)

Camera:

SBIG STL-11000 CCD camera
(See product review in July, 2004 issue of Sky & Telescope magazine.)

Exposure:

31 x .05 seconds Luminance unbinned,
13 x .30 seconds each R/G/B unbinned
(Very short exposures to avoid saturating stars in Trapezium)

Guiding:

Off-Axis with STV Autoguider (Santa Barbara Instrument Group)
(See product review in May, 2003 issue of Astronomy magazine.)
See Photo/Guiding Equipment.

Date:

2/09/05

Post Processing:

CCDSoft, CCDSharp, MaxIM DL, Photoshop CS