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Astrophotography

Strange Discovery of NGC 7000
Author Last Post
5/23/2018 11:17 AM
Very cool, wide-field image, Jeff.

Willie

> On May 23, 2018, at 11:02 AM, Astrophotography <astrophotography@centexastronomy.org> wrote:
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> I had an error in that message. The scope they matched up with was my f2 Canon 200mm lens mounted in the SBIG 8300.
> On Tue, May 22, 2018 at 11:08 PM Astrophotography <astrophotography@centexastronomy.org> wrote:
> I was going though files on my computer and stumbled across three files simply named "Master" Ha, SII, and OII.fit. They were dated in August 18, 2016, but I had no log of doing astrophotography that month. I examined the fit headers and they recorded them as being unbinned fits with 1200 sec exposures using an SBIG camera and filters 5, 6, and 7, which are my Ha, SII, and OIII filter slots. The expanse of the images exactly matched the field of my Williams Optical SR-71 telescope with the SBIG 8300 STF. Pretty clearly I shot these images, so here they are. The green version is in the Hubble Palette (SOH) aka "HST" and the red one mapped Hydrogen alpha=red, OIII=blue, and Sulfur II=green.Attachment(s):
> N_America_and_Pelican_-_200mm_Narrow_Band-2.jpg (838.5 KB)
> N_America_and_Pelican_-_200mm_Narrow_Band.jpg (1.0 MB)
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5/23/2018 10:52 AM
I had an error in that message.  The scope they matched up with was my f2 Canon 200mm lens mounted in the SBIG 8300. 

On Tue, May 22, 2018 at 11:08 PM Astrophotography <astrophotography@centexastronomy.org> wrote:
I was going though files on my computer and stumbled across three files simply named "Master" Ha, SII, and OII.fit. They were dated in August 18, 2016, but I had no log of doing astrophotography that month. I examined the fit headers and they recorded them as being unbinned fits with 1200 sec exposures using an SBIG camera and filters 5, 6, and 7, which are my Ha, SII, and OIII filter slots. The expanse of the images exactly matched the field of my Williams Optical SR-71 telescope with the SBIG 8300 STF. Pretty clearly I shot these images, so here they are. The green version is in the Hubble Palette (SOH) aka "HST" and the red one mapped Hydrogen alpha=red, OIII=blue, and Sulfur II=green.
Attachment(s):
N_America_and_Pelican_-_200mm_Narrow_Band-2.jpg (838.5 KB)
N_America_and_Pelican_-_200mm_Narrow_Band.jpg (1.0 MB)
5/22/2018 11:02 PM
I was going though files on my computer and stumbled across three files simply named "Master" Ha, SII, and OII.fit. They were dated in August 18, 2016, but I had no log of doing astrophotography that month. I examined the fit headers and they recorded them as being unbinned fits with 1200 sec exposures using an SBIG camera and filters 5, 6, and 7, which are my Ha, SII, and OIII filter slots. The expanse of the images exactly matched the field of my Williams Optical SR-71 telescope with the SBIG 8300 STF. Pretty clearly I shot these images, so here they are. The green version is in the Hubble Palette (SOH) aka "HST" and the red one mapped Hydrogen alpha=red, OIII=blue, and Sulfur II=green.
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