Scope: C8 f/2.8; Location: Del Mar CA;
18 Dec. 2004; Camera: ToUcam SC3
Exposure: 16 x 48 sec and 16 x 16 sec Luminance exposures with Baader IR Block
Filter and Orion SkyGlo Filter; 10 x 24 sec RGB
Processing: All exposures captured in K3CCDTools 2. Alignment and stacking was done with Registax
3 and saved as FITs. LRGB channels were co-registered in IRIS. Luminance and Color channels were scaled and rough color balanced in
IRIS. The shorter Luminance exposure was combined with the longer one
to reduce star bloat in the Luminance construction. Final LRGB combine was done in Photoshop using Luminance Layering (or LLRGB). Color
balancing and final touches were done in Photoshop. SGBNR (PixInsight LE) was used to smooth background noise on the
final result. Resized to approximately 800x600.
This image was a guided exposure. In this image NGC 2281 is a sparse open
cluster located in the constellation of Auriga. Brightest members are
concentrated in the center third of this image. The image below is a closer in
view of this central area made with separate exposures. Horizontal FOV is about
30'.
NGC 2281 Close Up
Scope: C8 f/10; Location: Del Mar CA; 18
Dec. 2004; Camera: ToUcam SC3
Exposure: 8 x 48 sec and 16 x 18 sec, and 22 x 6 sec Luminance exposure with Baader IR Block Filter;
12 x 18 sec RGB
Processing: All exposures captured in K3CCDTools 2. Alignment and stacking was done with Registax
3 and saved as
FITs. LRGB channels were co-registered in IRIS. Luminance and Color channels were scaled and rough color balanced in
IRIS. Final LRGB combine was done in Photoshop using Luminance Layering (or
LLRGB). Color
balancing and final touches were done in Photoshop. SGBNR (PixInsight LE) was used to smooth background noise on the
final result. Resized to approximately 800x600.
This image was a guided exposure. Horizontal FOV is about 8'.
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