Object Notes:

• Constellation: Virgo
• Location: RA: 12h 30m 49.7s Dec: +12d 23' 24" Epoch 2000
• Size: 8.7 x 6.6 arc-minutes
• Magnitude: 8.6
• Type: Elliptical Galaxy
• AKA: ngc4486

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:

10 x 5 minutes Luminance unbinned
4 x 5 minutes each R/G/B, all unbinned

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:

2/08/05

Post Processing:

CCDSoft, CCDSharp, MaxIM DL, Photoshop CS