Object Notes:

• Constellation: Canis Minor
• Location: RA: 07h 51m 42.9s Dec:+03d 00' 15" Epoch 2000
• Size: 265 x 180 arc-seconds
• Magnitude: 13.6
• Type: Planetary Nebula
• AKA: Abell 24

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.)
with Astrodon Tru-Balance color filters.

Exposure:

7 x 15 minutes Luminance unbinned
4 x 5 minutes each R/G/B, all binned 3x3

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:

3/11/05

Post Processing:

CCDSoft, CCDSharp, MaxIM DL, Photoshop CS