Crab Nebula (M 1)
Looks like the BRT will be down for a while, so here's one of the Crab Nebula (M 1) taken using GRAS Global Rent-a-Scope
This is a combination of 4 x 500 sec exposures (Clear, I, B, V) using GRAS-001 in New Mexico
at 2:02:43 - 2:45:43 AM UTC 10/Feb/2008. RA 25h 35m 0.8s Dec 22 1' 26.3"
Telescope: Takahashi Mewlon 300
Optical Design: Corrected Dall-Kirkham Cassegrain
Apature: 11.81 " or 300 mm
Focal Length: 140.62" or 3572 mm
F Ratio: 11.9
Mount: Paramount GT1100s
CCD: FLI Dream Machine (NABG)
FOV: 23.6" x 23.6"
Image Scale: 1.38
CCD Array Size: 1024 x 1024
Megapixels: 1
Pixel Size: 24 um
Filters: BVRI + Clear
Enhanced and coloured (LRGB) with MaximDL, further luminance added with Photoshop CS2, and retouched with PhotoImpact 6.
My first effort with this scope, I'm quite pleased :)
This is a combination of 4 x 500 sec exposures (Clear, I, B, V) using GRAS-001 in New Mexico
at 2:02:43 - 2:45:43 AM UTC 10/Feb/2008. RA 25h 35m 0.8s Dec 22 1' 26.3"
Telescope: Takahashi Mewlon 300
Optical Design: Corrected Dall-Kirkham Cassegrain
Apature: 11.81 " or 300 mm
Focal Length: 140.62" or 3572 mm
F Ratio: 11.9
Mount: Paramount GT1100s
CCD: FLI Dream Machine (NABG)
FOV: 23.6" x 23.6"
Image Scale: 1.38
CCD Array Size: 1024 x 1024
Megapixels: 1
Pixel Size: 24 um
Filters: BVRI + Clear
Enhanced and coloured (LRGB) with MaximDL, further luminance added with Photoshop CS2, and retouched with PhotoImpact 6.
My first effort with this scope, I'm quite pleased :)
Attachments:
G1-1-E-500-C-26-X1-LCMY.jpg