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Dolphin Head Nebula (SH2-308) - 15 degrees above the horizon
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jypeng@...
Hello
I like to share one of the difficult targets I acquired recently. This Mach2GTO was tracking (20 minutes guiding) my target very well just 15 degrees above the horizon. No modeling this time due to my model is all above 25 degrees above. Excellent mount, Great job, AP! Thanks, Jian Yuan Peng Astrobin: https://www.astrobin.com/7cldi1/
Technical details:
Telescope: TEC 160FL + TEC FRC 0.9x
Mount: Astro-Physics Mach 2 GTO
Imaging cameras:ZWO ASI6200MM
Software: PHD2, PixInsight, Lightroom 6.4, Sequence Generator Pro, Photoshop CS6
Location: Palo Alto, California, USA
Total Integration: 26.8 Hours
PhotometricColorCalibration data(before crop):
Resolution ............... 0.392 arcsec/px
Rotation ................. -113.083 deg
Observation start time ... 2021-02-22 07:02:07 UTC
Observation end time ..... 2021-03-13 05:14:25 UTC
Focal distance ........... 989.28 mm
Pixel size ............... 1.88 um
Field of view ............ 1d 11' 25.1" x 1d 8' 12.7"
Image center ............. RA: 6 54 15.613 Dec: -23 55 29.32
Filters: Astrodon 50mm Unmounted LRGB Gen2 E-Series Filter Sets
Astrodon 50mm Unmounted 3nm Narrowband Ha, SII, OIII filters
Blue 35x60" 35 Minutes Bin1x1
Green 43x60" 43 Minutes Bin1x1
Red 36x60" 36 Minutes Bin1x1
Ha 12x900" 22x1200" 10.3 Hours Bin1x1
OIII 9x900" 37*1200" 14.5 Hours Bin1x1
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Wow, that’s a beauty! Thanks for sharing it with us! Karen AP
From: main@ap-gto.groups.io <main@ap-gto.groups.io>
On Behalf Of jypeng@...
Sent: Tuesday, March 23, 2021 5:08 PM To: main@ap-gto.groups.io Subject: [ap-gto] Dolphin Head Nebula (SH2-308) - 15 degrees above the horizon
Hello Astrobin: https://www.astrobin.com/7cldi1/
Technical details: Telescope: TEC 160FL + TEC FRC 0.9x Mount: Astro-Physics Mach 2 GTO Imaging cameras:ZWO ASI6200MM Software: PHD2, PixInsight, Lightroom 6.4, Sequence Generator Pro, Photoshop CS6 Location: Palo Alto, California, USA Total Integration: 26.8 Hours PhotometricColorCalibration data(before crop): Resolution ............... 0.392 arcsec/px Rotation ................. -113.083 deg Observation start time ... 2021-02-22 07:02:07 UTC Observation end time ..... 2021-03-13 05:14:25 UTC Focal distance ........... 989.28 mm Pixel size ............... 1.88 um Field of view ............ 1d 11' 25.1" x 1d 8' 12.7" Image center ............. RA: 6 54 15.613 Dec: -23 55 29.32
Filters: Astrodon 50mm Unmounted LRGB Gen2 E-Series Filter Sets Astrodon 50mm Unmounted 3nm Narrowband Ha, SII, OIII filters Blue 35x60" 35 Minutes Bin1x1 Green 43x60" 43 Minutes Bin1x1 Red 36x60" 36 Minutes Bin1x1 Ha 12x900" 22x1200" 10.3 Hours Bin1x1 OIII 9x900" 37*1200" 14.5 Hours Bin1x1
-- Karen Christen Astro-Physics
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Cheng-Yang Tan
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On Tuesday, March 23, 2021, 5:08 PM, jypeng@... wrote:
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Very nice. We’ll done sir.
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That really is an exquisite picture. Incredible!
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Liam
-----Original Message-----
From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Eric Weiner Sent: Tuesday, March 23, 2021 5:24 PM To: main@ap-gto.groups.io Subject: Re: [ap-gto] Dolphin Head Nebula (SH2-308) - 15 degrees above the horizon Very nice. We’ll done sir.
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John Shutz
Wow, that is one beautiful image. I vote for it as the image of the day. Out of the many details in the image, I was most impressed by the near transparent outer shell and the difference between it and the inner more solid material of the nebula.
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John
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Peter Nagy
Excellent image.
Looking at your equipment and numbers, your camera is ASI6200MM which uses Sony IMX-455 sensor. The pixel size is 3.76uM but you said 1.88uM? Peter
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Jeff B
Captivating! Well done! Jeff
On Tue, Mar 23, 2021 at 6:37 PM Peter Nagy <topboxman@...> wrote: Excellent image.
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Bill Long
The image was likely resampled.
From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Peter Nagy <topboxman@...>
Sent: Tuesday, March 23, 2021 3:37 PM To: main@ap-gto.groups.io <main@ap-gto.groups.io> Subject: Re: [ap-gto] Dolphin Head Nebula (SH2-308) - 15 degrees above the horizon Excellent image.
Looking at your equipment and numbers, your camera is ASI6200MM which uses Sony IMX-455 sensor. The pixel size is 3.76uM but you said 1.88uM? Peter
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dvjbaja
Superb image. I know how bad the sky is from Palo Alto, living in SJ. -jg
On Tue, Mar 23, 2021 at 4:12 PM Bill Long <bill@...> wrote:
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jypeng@...
Hi Peter,
I run PI PhotometricColorCalibration on the drizzle integrated version. The final version was resampled 50% to the original scale. Thank you for your comments! CS Jian Yuan Peng
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jypeng@...
Thank all of you for your nice and encouraging comments!
Really enjoy use Mach2 and get a lot of good photos since I own it. Regards, Jian Yuan Peng
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Kenneth Tan
I recently used the Mach2 gto with the ASI air pro and they worked fairly well. Uou need to connect it as the gtocp2 .(strange but teie) and you must have the USB cable connected from the control box to the ASI air box usb to allow it to connect it wirelessly. Of course you Have to configure the gtocp5 control box to station mode and link to the ASI air wifi. Only the go home button on the ASI app does not work and you have to use the keypad to get it to go back to your correct park position. Not sure if there is some step I missed . How this will help those planning to use this setup. Kenneth
On Wed, 24 Mar 2021 at 09:09, <jypeng@...> wrote: Thank all of you for your nice and encouraging comments!
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Kenneth Tan
Sorry typos ... fat fingers... strange but true Hope this will help.....
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Astrobob
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