TrevorW
04-10-2009, 10:21 AM
Constellation: Cassiopeia
Location: RA: 02h 33m 15s Dec: 61d 24m 30s Epoch 2000
Type: Diffuse Nebula/Open Cluster
AKA: OCL 352
Instrument:
Ritchey-Chretien 32" Telescope (http://www.mistisoftware.com/astronomy/Equipment_RC32.htm)
Focal Ratio:
f7.2 (prime focus)
Camera:
SBIG STL-11000 CCD camera (http://www.sbig.com/sbwhtmls/large_format_cameras.htm)
Exposure:
14 x 5 minutes Luminance unbinned,5 x 5 minutes each R/G/B, all binned 3x3,9 x 15 minutes Hydrogen Alpha, unbinned
Guiding:
Off-Axis with STV Autoguider (Santa Barbara Instrument Group) (http://www.sbig.com/)
Date:
11/10/04 (L/R/G/B), and 10/25/05 (H-Alpha)
Post Processing by T. Warner:
Photoshop CS 3, each colour loaded into channels and combined, Ha, L loaded into layers adjusted and combined. Curves, color balance, Carboni actions
Location: RA: 02h 33m 15s Dec: 61d 24m 30s Epoch 2000
Type: Diffuse Nebula/Open Cluster
AKA: OCL 352
Instrument:
Ritchey-Chretien 32" Telescope (http://www.mistisoftware.com/astronomy/Equipment_RC32.htm)
Focal Ratio:
f7.2 (prime focus)
Camera:
SBIG STL-11000 CCD camera (http://www.sbig.com/sbwhtmls/large_format_cameras.htm)
Exposure:
14 x 5 minutes Luminance unbinned,5 x 5 minutes each R/G/B, all binned 3x3,9 x 15 minutes Hydrogen Alpha, unbinned
Guiding:
Off-Axis with STV Autoguider (Santa Barbara Instrument Group) (http://www.sbig.com/)
Date:
11/10/04 (L/R/G/B), and 10/25/05 (H-Alpha)
Post Processing by T. Warner:
Photoshop CS 3, each colour loaded into channels and combined, Ha, L loaded into layers adjusted and combined. Curves, color balance, Carboni actions