|
Image Information
|
Object |
M108, NGC
3556 |
|
Coordinates |
RA:
11 11 23.7 Dec: +55 41 28 Camera PA: 6.9E |
|
Imaging
by |
Greg
Morgan |
|
Date(s) |
Data:
Jan 16 - 28, 2011 |
|
Optics |
RCOS
16 inch ION Milled f/9 Ritchey-Chrétien
(on loan from Mike Mayda, thanks Mike) |
|
Mount |
Paramount
ME |
|
Camera |
Apogee
Alta U16M, 9 micron 4096 x 4096 pixels |
|
Guiding |
Off-axis
with the Astrodon Monster MOAG and SBIG ST-402XM |
|
Field Scale |
0.5 arcseconds / pixel |
|
FOV |
Cropped
to 26' x 20' N is in the lower left, East is in the Lower
right |
|
Chip Temp |
-25 C |
|
Filter(s) |
Astrodon Gen 2
Lum, Red, Green, and Blue |
|
Location |
Sierra
Remote Observatories, Shaver Lake California 4,610 feet |
|
Exposure(s) |
L=18, R=7, G=7,
B=8x1800 seconds (20 Hours Total) |
|
Binning |
1x1 for all
filters |
|
Software |
CCDAutopilot,
MaxIm
DL,
TheSky 6, CCDStack 2
with
CCDIS-p
registration, 64-bit
CS4 plug-in for Neat
Image Pro and GradientXTerminator. |
|