|
Date: |
May, July, 2007 |
|
Location: |
Elizabeth, CO. Mag 5.0 skies, elevation ~
6500 ft |
|
Telescope: |
16" f/4.9 Newtonian, Pegasus Optics primary,
luminance at f/9.8 using a 2" Lumicon barlow for 48 mins,
2x TeleVue PowerMate for 48 mins, color at prime focus |
|
Mount: |
Mathis Instruments MI-500 w/ AP1200 computer
control |
|
Exposure Duration: |
Luminance = Total 96 mins, -15 deg C
Color = Total 60 mins, -15 deg C |
|
Imager: |
Luminance = ST-10XME, color = ST2000XCM |
|
Filtration, etc: |
For luminance, a 50 nm wide Ha filter used
by stacking an SBIG research grade luminance filter in front
of a Lumicon Ha #29 dark red glass filter. Lumicon barlow and
2x PowerMate used before ST-10, XCM shot at f/4.9 |
|
Guiding: |
AO-L guided |
|
Seeing: |
~2" |
|
Comments: |
Luminance = Collected in Maxim, calibrated
and median combined in sets of three. Each median deconvolved
in CCDStack, 50 iterate PC. Deconvolved medians averaged in Maxim.
Average DDP/sharped in CCDStack. Final
HaRGB assembled in Corel's PhotoPaint 12 using LAB |
